glupteba | cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2024, 13:27

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General

Target
cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Size 4.1MB
Sample240518-qqcncadf68
SHA256 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116
MD5 14d082c1ac97b32bfb3155608a48fa5b
SHA1 2c36c7089c8c0a7064ba58e931b9de0292f2ca43
SHA512 f761f708648dff6f9c72d0266a11579fd2a60a74c4748bd89e4fed5810089e158a9ebd35a7b656a4bb9ca4a20efd3fd08c81aeb923d3d95a8d5fb9f5a85c8ea7
SSDEEP 98304:/Qx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08Fed:Ix32Mq02zAeLCVnWszfVfeCa8CLXv/kd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence rootkit upx

Malware Config

Signatures

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

Glupteba payload 19 IoCs

resource	yara_rule
behavioral2/memory/1848-2-0x0000000004BA0000-0x000000000548B000-memory.dmp	family_glupteba
behavioral2/memory/1848-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1848-6-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1848-59-0x0000000004BA0000-0x000000000548B000-memory.dmp	family_glupteba
behavioral2/memory/1848-58-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1848-56-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/4796-87-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/4796-137-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-165-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-223-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-233-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-234-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-237-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-239-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-241-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-242-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-245-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-247-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3676-249-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4872	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
3676	csrss.exe
1548	injector.exe
4116	windefender.exe
1588	windefender.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002342a-226.dat	upx
behavioral2/memory/4116-228-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1588-230-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4116-232-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1588-235-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1588-238-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1588-244-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 7 IoCs

description	ioc	Process
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
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	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
File created	C:\Windows\rss\csrss.exe	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
File created	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\windefender.exe	csrss.exe

Launches sc.exe 1 IoCs

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

pid	Process
1632	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
656	powershell.exe
2984	powershell.exe
3776	powershell.exe
2224	powershell.exe
4484	powershell.exe
2088	powershell.exe
3808	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
4808	schtasks.exe
3772	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	windefender.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.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	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3808	powershell.exe
3808	powershell.exe
1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
656	powershell.exe
656	powershell.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
2984	powershell.exe
2984	powershell.exe
3776	powershell.exe
3776	powershell.exe
2224	powershell.exe
2224	powershell.exe
4484	powershell.exe
4484	powershell.exe
2088	powershell.exe
2088	powershell.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
3676	csrss.exe
3676	csrss.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
3676	csrss.exe
3676	csrss.exe
1548	injector.exe
1548	injector.exe
3676	csrss.exe
3676	csrss.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe
1548	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	3808	powershell.exe
Token: SeDebugPrivilege	1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Token: SeImpersonatePrivilege	1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
Token: SeDebugPrivilege	656	powershell.exe
Token: SeDebugPrivilege	2984	powershell.exe
Token: SeDebugPrivilege	3776	powershell.exe
Token: SeDebugPrivilege	2224	powershell.exe
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	2088	powershell.exe
Token: SeSystemEnvironmentPrivilege	3676	csrss.exe
Token: SeSecurityPrivilege	1632	sc.exe
Token: SeSecurityPrivilege	1632	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 3808	1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	95
PID 1848 wrote to memory of 3808	1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	95
PID 1848 wrote to memory of 3808	1848	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	95
PID 4796 wrote to memory of 656	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	100
PID 4796 wrote to memory of 656	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	100
PID 4796 wrote to memory of 656	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	100
PID 4796 wrote to memory of 4472	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	102
PID 4796 wrote to memory of 4472	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	102
PID 4472 wrote to memory of 4872	4472	cmd.exe	104
PID 4472 wrote to memory of 4872	4472	cmd.exe	104
PID 4796 wrote to memory of 2984	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	105
PID 4796 wrote to memory of 2984	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	105
PID 4796 wrote to memory of 2984	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	105
PID 4796 wrote to memory of 3776	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	108
PID 4796 wrote to memory of 3776	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	108
PID 4796 wrote to memory of 3776	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	108
PID 4796 wrote to memory of 3676	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	112
PID 4796 wrote to memory of 3676	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	112
PID 4796 wrote to memory of 3676	4796	cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe	112
PID 3676 wrote to memory of 2224	3676	csrss.exe	113
PID 3676 wrote to memory of 2224	3676	csrss.exe	113
PID 3676 wrote to memory of 2224	3676	csrss.exe	113
PID 3676 wrote to memory of 4484	3676	csrss.exe	119
PID 3676 wrote to memory of 4484	3676	csrss.exe	119
PID 3676 wrote to memory of 4484	3676	csrss.exe	119
PID 3676 wrote to memory of 2088	3676	csrss.exe	121
PID 3676 wrote to memory of 2088	3676	csrss.exe	121
PID 3676 wrote to memory of 2088	3676	csrss.exe	121
PID 3676 wrote to memory of 1548	3676	csrss.exe	123
PID 3676 wrote to memory of 1548	3676	csrss.exe	123
PID 4116 wrote to memory of 3668	4116	windefender.exe	129
PID 4116 wrote to memory of 3668	4116	windefender.exe	129
PID 4116 wrote to memory of 3668	4116	windefender.exe	129
PID 3668 wrote to memory of 1632	3668	cmd.exe	130
PID 3668 wrote to memory of 1632	3668	cmd.exe	130
PID 3668 wrote to memory of 1632	3668	cmd.exe	130

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\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
"C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848
- 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:3808
- C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.bin.exe"
  2⤵
  - 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:4796
- - 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:656
- - 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:4472
  - - 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:4872
- - 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:2984
- - 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:3776
- - 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:3676
  - - 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:2224
  - - 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:4808
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3272
  - - 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:4484
  - - 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:2088
  - - 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:1548
  - - 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:3772
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4116
    - - 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:3668
      - 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:1632

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1588

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

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

__PSScriptPolicyTest_fkdl5aht.0v1.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fkdl5aht.0v1.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
MD5 SHA1 SHA512

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