glupteba | c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 13:03

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General

Target

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Size

4.1MB
MD5

f614646d520e88e1e7cf44e13de44ba4
SHA1

dfdbf695c8822a8c5015513a4b3d4d8e6a8ecd74
SHA256

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0
SHA512

e1a41f2d21c65cf3e334252551ba8389ac751e1d2758e385679b7039732f65bea315fe7db351167c939f63aface1ead35dc18ca77b2b2ade23b88f7570f4b29e
SSDEEP

98304:4upp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5H:V24wrgi8oddlbF

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx

Malware Config

Signatures

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

Glupteba payload 40 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3860-3-0x0000000004190000-0x0000000004A7C000-memory.dmp	family_glupteba
behavioral1/memory/3736-2-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-5-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-6-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-8-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-9-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-7-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-10-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3736-61-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-71-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-72-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-73-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-74-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-107-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-140-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2992-167-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-181-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-182-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-183-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-184-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-185-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-213-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-214-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-281-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-282-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-283-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-284-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-285-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-286-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-294-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-295-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-297-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-300-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-302-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-303-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-305-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-308-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-310-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-312-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3028-313-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2600 netsh.exe
Executes dropped EXE 5 IoCs

Processes:

csrss.execsrss.exeinjector.exewindefender.exewindefender.exe

pid process

512 csrss.exe
3028 csrss.exe
3756 injector.exe
4032 windefender.exe
3684 windefender.exe

pid	process
2600	netsh.exe

pid	process
512	csrss.exe
3028	csrss.exe
3756	injector.exe
4032	windefender.exe
3684	windefender.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\windefender.exe	upx
behavioral1/memory/4032-293-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/3684-296-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/3684-299-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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

Processes:

csrss.exe

description ioc process

File opened for modification \??\WinMonFS csrss.exe

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

Drops file in System32 directory 7 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.execsrss.exe

description	pid	process	target process
PID 3860 set thread context of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 set thread context of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 512 set thread context of 3028	512	csrss.exe	csrss.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

Processes:

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe

Drops file in Windows directory 4 IoCs

Processes:

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.execsrss.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.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	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe

Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

3524 sc.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

Processes:

schtasks.exeschtasks.exe

pid process

2104 schtasks.exe
3156 schtasks.exe

pid	process
3524	sc.exe

pid	process
2104	schtasks.exe
3156	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	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\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time"	windefender.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exepowershell.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exe

pid	process
4616	powershell.exe
4616	powershell.exe
3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
4316	powershell.exe
4316	powershell.exe
4316	powershell.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
4236	powershell.exe
4236	powershell.exe
4236	powershell.exe
2716	powershell.exe
2716	powershell.exe
2716	powershell.exe
3224	powershell.exe
3224	powershell.exe
3224	powershell.exe
5024	powershell.exe
5024	powershell.exe
5024	powershell.exe
4412	powershell.exe
4412	powershell.exe
4412	powershell.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3028	csrss.exe
3028	csrss.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3028	csrss.exe
3028	csrss.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3028	csrss.exe
3028	csrss.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe
3756	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

powershell.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exe

description	pid	process
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Token: SeImpersonatePrivilege	3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
Token: SeDebugPrivilege	4316	powershell.exe
Token: SeDebugPrivilege	4236	powershell.exe
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	3224	powershell.exe
Token: SeDebugPrivilege	5024	powershell.exe
Token: SeDebugPrivilege	4412	powershell.exe
Token: SeSystemEnvironmentPrivilege	3028	csrss.exe
Token: SeSecurityPrivilege	3524	sc.exe
Token: SeSecurityPrivilege	3524	sc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exec5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.execmd.execsrss.execsrss.exewindefender.exe

description	pid	process	target process
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3860 wrote to memory of 3736	3860	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 3736 wrote to memory of 4616	3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 3736 wrote to memory of 4616	3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 3736 wrote to memory of 4616	3736	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 208 wrote to memory of 2992	208	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
PID 2992 wrote to memory of 4316	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 4316	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 4316	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 2960	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	cmd.exe
PID 2992 wrote to memory of 2960	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	cmd.exe
PID 2960 wrote to memory of 2600	2960	cmd.exe	netsh.exe
PID 2960 wrote to memory of 2600	2960	cmd.exe	netsh.exe
PID 2992 wrote to memory of 4236	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 4236	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 4236	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 2716	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 2716	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 2716	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	powershell.exe
PID 2992 wrote to memory of 512	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	csrss.exe
PID 2992 wrote to memory of 512	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	csrss.exe
PID 2992 wrote to memory of 512	2992	c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 512 wrote to memory of 3028	512	csrss.exe	csrss.exe
PID 3028 wrote to memory of 3224	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 3224	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 3224	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 5024	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 5024	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 5024	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 4412	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 4412	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 4412	3028	csrss.exe	powershell.exe
PID 3028 wrote to memory of 3756	3028	csrss.exe	injector.exe
PID 3028 wrote to memory of 3756	3028	csrss.exe	injector.exe
PID 4032 wrote to memory of 4904	4032	windefender.exe	cmd.exe

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\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
"C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3860

C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
"C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3736

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616

C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
"C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:208

C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe
"C:\Users\Admin\AppData\Local\Temp\c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0.exe"
4⤵
- 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:2992

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4316

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"
5⤵
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
6⤵
- Modifies Windows Firewall
PID:2600

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:512

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
6⤵
- 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:3028

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
7⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3224

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
7⤵
- Creates scheduled task(s)
PID:3156

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
7⤵
PID:3116

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
7⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5024

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
7⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4412

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
7⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3756

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
7⤵
- Creates scheduled task(s)
PID:2104

C:\Windows\windefender.exe
"C:\Windows\windefender.exe"
7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4032

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)
8⤵
PID:4904

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)
9⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3524

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xe1gscqk.tbo.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
079e2d8e8e10b9dfaab200355a404f17

SHA1
697ab787ea9689a8e4649369091a2cbad8da78d2

SHA256
940ad1487d7489ee3d0c4608410f6393a9abcb2c042a67ffeb3b3f46fa50dab8

SHA512
960d810ecbf2ab13fc10df176c6a0ce128aaa687e468c14cf6438e4edc0b34b1474912ec70aa9e62b33545607ba0283085a124f25ff86b38f636e53ca77c3868

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
e62733ea7f881264361354b0054054ff

SHA1
3344916ac46709235cf9acad7e57ef44c3517ac9

SHA256
c59355da3c08e24dd118e66bf654e478e1833c7b12349007d284bca9f8664f3e

SHA512
9e7e84e8f302c24d44f64f191d72109b17f72b960795269b0b9c3582c9b3c881dbb56bc4e4b75b65dd7bac364fd344554b43b01750380fb58a934eccd207cbbe

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
d11f406a91faa7147779c3e9751fde31

SHA1
a3a512709b6eac4df75e39ea0dd0a1d7af26dfe2

SHA256
adc8791d7140831a97382be32eefd514bc847445e5b53b91319251b165efd3a9

SHA512
dbb39afeb0bcf80fca8e1369d4ca4d3464c1814f081157e1c5ee8d8dc756b2b4a6f2810c6d07a8b4b01312712bc348ffb7d9f520923a8ce95c02656cca76827b

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
01720c3addec355a9432bacc2cab9025

SHA1
b431f7428aef59c426e9c4e212ab6d7f7a6785d7

SHA256
aca45a2bf1a18a7d9f8bea5ef1df8d917976f4ea26cfb1177e17a51e6a463e37

SHA512
de25da391df2c023244622644e9af43aca6108882735ca37f8f6a5e0e31bef535ede36e0c518589527ed6256550cc06fc5e68d75ed8bd0aa6115f3eb3a3adad4

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
74183898dd15132de25885fce3e23551

SHA1
efd6a69ec7138c35d37d4173d586c9eb146c09e4

SHA256
ddabb55854c9ca54ca4466aef889008851abb7a2a39a6c8f155bbba0dc9d7699

SHA512
ee0a3e09c611a739fd5e2b67cdd3df3aa5c59dd465c4ee717bfcd05ecb759a5310c1f4a0704d419e8079190bcd26288e62aa52c8ffef85aa9dd9f45b6ba453b1

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
f614646d520e88e1e7cf44e13de44ba4

SHA1
dfdbf695c8822a8c5015513a4b3d4d8e6a8ecd74

SHA256
c5540bf1403cb74a693897e5c20b2983fb6e53fcca57c7c92c25c94bd0ba69b0

SHA512
e1a41f2d21c65cf3e334252551ba8389ac751e1d2758e385679b7039732f65bea315fe7db351167c939f63aface1ead35dc18ca77b2b2ade23b88f7570f4b29e

Download Submit
C:\Windows\windefender.exe
Filesize
2.0MB

MD5
8e67f58837092385dcf01e8a2b4f5783

SHA1
012c49cfd8c5d06795a6f67ea2baf2a082cf8625

SHA256
166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

SHA512
40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

Download Submit
memory/208-67-0x0000000003AB0000-0x0000000003EB5000-memory.dmp

Filesize
4.0MB

Download
memory/512-176-0x0000000003E00000-0x0000000004200000-memory.dmp

Filesize
4.0MB

Download
memory/2716-163-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-152-0x00000000713E0000-0x0000000071734000-memory.dmp

Filesize
3.3MB

Download
memory/2716-151-0x0000000070C40000-0x0000000070C8C000-memory.dmp

Filesize
304KB

Download
memory/2716-138-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-139-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/2992-167-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2992-74-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2992-73-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2992-72-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2992-71-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2992-107-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2992-140-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-297-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-303-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-285-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-284-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-283-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-282-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-281-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-313-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-294-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-295-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-214-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-213-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-286-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-181-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-182-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-312-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-310-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-300-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-302-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-308-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-305-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-185-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-184-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3028-183-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3224-186-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/3224-187-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3684-296-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/3684-299-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/3736-6-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-61-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-10-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-7-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-9-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-8-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-2-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3736-5-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3860-1-0x0000000003D80000-0x0000000004181000-memory.dmp

Filesize
4.0MB

Download
memory/3860-3-0x0000000004190000-0x0000000004A7C000-memory.dmp

Filesize
8.9MB

Download
memory/4032-293-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/4236-110-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/4236-123-0x000000007F0A0000-0x000000007F0B0000-memory.dmp

Filesize
64KB

Download
memory/4236-124-0x0000000070C40000-0x0000000070C8C000-memory.dmp

Filesize
304KB

Download
memory/4236-125-0x0000000070DC0000-0x0000000071114000-memory.dmp

Filesize
3.3MB

Download
memory/4236-135-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/4236-137-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4236-121-0x0000000006190000-0x00000000064E4000-memory.dmp

Filesize
3.3MB

Download
memory/4236-111-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/4236-109-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4316-103-0x0000000007080000-0x0000000007094000-memory.dmp

Filesize
80KB

Download
memory/4316-106-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4316-102-0x0000000007030000-0x0000000007041000-memory.dmp

Filesize
68KB

Download
memory/4316-100-0x0000000002550000-0x0000000002560000-memory.dmp

Filesize
64KB

Download
memory/4316-101-0x0000000006D60000-0x0000000006E03000-memory.dmp

Filesize
652KB

Download
memory/4316-90-0x00000000713E0000-0x0000000071734000-memory.dmp

Filesize
3.3MB

Download
memory/4316-88-0x000000007FC50000-0x000000007FC60000-memory.dmp

Filesize
64KB

Download
memory/4316-89-0x0000000070C40000-0x0000000070C8C000-memory.dmp

Filesize
304KB

Download
memory/4316-87-0x0000000006070000-0x00000000060BC000-memory.dmp

Filesize
304KB

Download
memory/4316-76-0x0000000002550000-0x0000000002560000-memory.dmp

Filesize
64KB

Download
memory/4316-77-0x00000000054E0000-0x0000000005834000-memory.dmp

Filesize
3.3MB

Download
memory/4316-75-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4616-59-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4616-55-0x0000000007E10000-0x0000000007E2A000-memory.dmp

Filesize
104KB

Download
memory/4616-56-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/4616-54-0x0000000007D20000-0x0000000007D34000-memory.dmp

Filesize
80KB

Download
memory/4616-53-0x0000000007D10000-0x0000000007D1E000-memory.dmp

Filesize
56KB

Download
memory/4616-52-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/4616-51-0x0000000007D70000-0x0000000007E06000-memory.dmp

Filesize
600KB

Download
memory/4616-50-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

Filesize
40KB

Download
memory/4616-49-0x0000000007BC0000-0x0000000007C63000-memory.dmp

Filesize
652KB

Download
memory/4616-48-0x0000000007BA0000-0x0000000007BBE000-memory.dmp

Filesize
120KB

Download
memory/4616-35-0x000000007F100000-0x000000007F110000-memory.dmp

Filesize
64KB

Download
memory/4616-38-0x0000000070FD0000-0x0000000071324000-memory.dmp

Filesize
3.3MB

Download
memory/4616-37-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

Filesize
304KB

Download
memory/4616-36-0x0000000007B60000-0x0000000007B92000-memory.dmp

Filesize
200KB

Download
memory/4616-33-0x0000000008000000-0x000000000867A000-memory.dmp

Filesize
6.5MB

Download
memory/4616-34-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download
memory/4616-32-0x0000000007700000-0x0000000007776000-memory.dmp

Filesize
472KB

Download
memory/4616-31-0x0000000006B40000-0x0000000006B84000-memory.dmp

Filesize
272KB

Download
memory/4616-30-0x0000000006620000-0x000000000666C000-memory.dmp

Filesize
304KB

Download
memory/4616-29-0x00000000065E0000-0x00000000065FE000-memory.dmp

Filesize
120KB

Download
memory/4616-28-0x0000000005F80000-0x00000000062D4000-memory.dmp

Filesize
3.3MB

Download
memory/4616-17-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/4616-18-0x0000000005DD0000-0x0000000005E36000-memory.dmp

Filesize
408KB

Download
memory/4616-16-0x0000000005600000-0x0000000005622000-memory.dmp

Filesize
136KB

Download
memory/4616-15-0x00000000057A0000-0x0000000005DC8000-memory.dmp

Filesize
6.2MB

Download
memory/4616-14-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/4616-13-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/4616-11-0x0000000003010000-0x0000000003046000-memory.dmp

Filesize
216KB

Download
memory/4616-12-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download