glupteba | 5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 15:27

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General

Target

5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Size

4.2MB
MD5

2b596a8638205ca939c5a25260b86acc
SHA1

418a5b80b82440d26e5e8f0955bbf02f739decac
SHA256

5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b
SHA512

7a417ba0a3e3ef70d8466bea1e7d1a031b426d76fc0ef80cdcc28dc96988c364992446dd0c878caa0cfef79fdfd12cd4ace152cbf896a43e58b355d90cd32737
SSDEEP

49152:JKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2Sb:AOLEfT6eYBhfhWV+b2vbWNq2SbuhRi

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

Glupteba payload 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3540-2-0x0000000004060000-0x000000000494B000-memory.dmp	family_glupteba
behavioral1/memory/3540-3-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3540-4-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3540-9-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3540-11-0x0000000004060000-0x000000000494B000-memory.dmp	family_glupteba
behavioral1/memory/3540-35-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3540-54-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3540-64-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3828-71-0x0000000003FD0000-0x00000000048BB000-memory.dmp	family_glupteba
behavioral1/memory/3828-72-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3540-73-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3828-103-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3828-109-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3828-141-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3828-173-0x0000000000400000-0x0000000001DF9000-memory.dmp	family_glupteba
behavioral1/memory/3796-210-0x0000000000400000-0x0000000001DF9000-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

3460 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

3796 csrss.exe

pid	process
3460	netsh.exe

pid	process
3796	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.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

Drops file in System32 directory 6 IoCs

Processes:

powershell.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

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:

5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN 5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

Drops file in Windows directory 2 IoCs

Processes:

5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

description	ioc	process
File opened for modification	C:\Windows\rss	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
File created	C:\Windows\rss\csrss.exe	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1380 schtasks.exe

pid	process
1380	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

powershell.exepowershell.exe5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
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\AutoDetect = "0"	powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.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\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

powershell.exe5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exepowershell.exe5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	process
2140	powershell.exe
2140	powershell.exe
3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3468	powershell.exe
3468	powershell.exe
3468	powershell.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
2160	powershell.exe
2160	powershell.exe
2160	powershell.exe
608	powershell.exe
608	powershell.exe
608	powershell.exe
756	powershell.exe
756	powershell.exe
756	powershell.exe
4472	powershell.exe
4472	powershell.exe
4472	powershell.exe
3720	powershell.exe
3720	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

powershell.exe5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2140	powershell.exe
Token: SeDebugPrivilege	3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Token: SeImpersonatePrivilege	3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
Token: SeDebugPrivilege	3468	powershell.exe
Token: SeDebugPrivilege	2160	powershell.exe
Token: SeDebugPrivilege	608	powershell.exe
Token: SeDebugPrivilege	756	powershell.exe
Token: SeDebugPrivilege	4472	powershell.exe
Token: SeDebugPrivilege	3720	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.execmd.execsrss.exe

description	pid	process	target process
PID 3540 wrote to memory of 2140	3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3540 wrote to memory of 2140	3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3540 wrote to memory of 2140	3540	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 3468	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 3468	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 3468	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 4464	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	cmd.exe
PID 3828 wrote to memory of 4464	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	cmd.exe
PID 4464 wrote to memory of 3460	4464	cmd.exe	netsh.exe
PID 4464 wrote to memory of 3460	4464	cmd.exe	netsh.exe
PID 3828 wrote to memory of 2160	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 2160	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 2160	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 608	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 608	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 608	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	powershell.exe
PID 3828 wrote to memory of 3796	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	csrss.exe
PID 3828 wrote to memory of 3796	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	csrss.exe
PID 3828 wrote to memory of 3796	3828	5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe	csrss.exe
PID 3796 wrote to memory of 756	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 756	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 756	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 4472	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 4472	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 4472	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 3720	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 3720	3796	csrss.exe	powershell.exe
PID 3796 wrote to memory of 3720	3796	csrss.exe	powershell.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\5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
"C:\Users\Admin\AppData\Local\Temp\5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140

C:\Users\Admin\AppData\Local\Temp\5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.exe
"C:\Users\Admin\AppData\Local\Temp\5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b.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:3828

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3468

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:4464

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:3460

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2160

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:608

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3796

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:756

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:1380

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4644

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3736 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:3348

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p3ntojw3.0jr.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

MD5
171acbc405e718cc02d2948a443e29fb

SHA1
202624cd23fb6ef01e235ca958d700dc02a4c904

SHA256
731a5af1c5e23c8634abbaffba3801b7ca26d584442686999f7481fcbda8dec9

SHA512
6d84a6ae8681f624c4a7d3b26da9f9a1b1a325131d808f3cc8a393442568753fc9fea9a83c1759866b2a8edbef4ea924d1084b296184417f8efcbe4e69a58c2d

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

MD5
fc19cb202cca4f44dccb484552dacf25

SHA1
3172f8eae5babc1da89135cd254075fa71afb218

SHA256
2ed542b846f5b99c49ca679dc0c6e296b04c12408354baa47a861d8d78e83adf

SHA512
73571c0a1cec1abd7d28558e701204bcc2adb0b3918fad6c0ace9c134e6d1f84769f4abc7b92ae662253de9dfea8b65a51b7f6c9819f59953b22c609b85026c3

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

MD5
9b07a6eacc80d7d59e08825c0eceef5a

SHA1
246090d97bd6ab68f514e28ce2d5e459336523b6

SHA256
68fe0d594c715d5dfdb0a86cbd51192a2d441ebc7fc1520291d5324f58eab980

SHA512
9f6af4930f4003c026e180c2e812d91befa7481a98fd6500f13ac08d8fd89e3be8268e430e77503f718fe2807766d35101cf2f7b5b89a7385ef205332797e0aa

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

MD5
95e9fc008d0b3183b19b39f37be0c273

SHA1
24de0ac548fe653810ed8f2a79201fd30c85374a

SHA256
77dda20b4f67d180cf19cf4f9c3fd89dbecaa84472125b15b3b2ea8c1bb4c1c8

SHA512
06e92eafc1b760a66e014cfcdb5e71a8a1536ac3282912bab97b2f2b3825f580089a34c89ee0765210d1677754ace08c8dfb5a9895d8a789dfa87a292480592a

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

MD5
e65e35642273336dd7e71e5a5dba0888

SHA1
ceb34f44aa51b99f280edcfe187a053f061dc90b

SHA256
b7db57bf21e37c33e3629b38e0b276039216c7670fe65fdd4302e9714ad2a8c2

SHA512
ac67091964232a33570770a008349eeeed003080ce3e2e67c138da951afabc9b39372f8a9a5cc55917d5bb70032e138ced58fe06927ca00cb00925502e937c3c

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
2b596a8638205ca939c5a25260b86acc

SHA1
418a5b80b82440d26e5e8f0955bbf02f739decac

SHA256
5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b

SHA512
7a417ba0a3e3ef70d8466bea1e7d1a031b426d76fc0ef80cdcc28dc96988c364992446dd0c878caa0cfef79fdfd12cd4ace152cbf896a43e58b355d90cd32737

Download Submit
memory/608-142-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-67-0x000000007F750000-0x000000007F760000-memory.dmp

Filesize
64KB

Download
memory/2140-57-0x0000000007A70000-0x0000000007A81000-memory.dmp

Filesize
68KB

Download
memory/2140-12-0x00000000050F0000-0x0000000005112000-memory.dmp

Filesize
136KB

Download
memory/2140-13-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/2140-14-0x00000000054B0000-0x0000000005516000-memory.dmp

Filesize
408KB

Download
memory/2140-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-20-0x0000000005D30000-0x0000000006084000-memory.dmp

Filesize
3.3MB

Download
memory/2140-26-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/2140-27-0x0000000006460000-0x00000000064AC000-memory.dmp

Filesize
304KB

Download
memory/2140-28-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-29-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2140-30-0x0000000006890000-0x00000000068D4000-memory.dmp

Filesize
272KB

Download
memory/2140-32-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2140-33-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2140-34-0x0000000007690000-0x0000000007706000-memory.dmp

Filesize
472KB

Download
memory/2140-7-0x0000000002A30000-0x0000000002A66000-memory.dmp

Filesize
216KB

Download
memory/2140-36-0x0000000007E10000-0x000000000848A000-memory.dmp

Filesize
6.5MB

Download
memory/2140-37-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/2140-39-0x000000007F750000-0x000000007F760000-memory.dmp

Filesize
64KB

Download
memory/2140-40-0x0000000007860000-0x0000000007892000-memory.dmp

Filesize
200KB

Download
memory/2140-41-0x00000000704B0000-0x00000000704FC000-memory.dmp

Filesize
304KB

Download
memory/2140-42-0x0000000070650000-0x00000000709A4000-memory.dmp

Filesize
3.3MB

Download
memory/2140-52-0x0000000007800000-0x000000000781E000-memory.dmp

Filesize
120KB

Download
memory/2140-53-0x0000000007960000-0x0000000007A03000-memory.dmp

Filesize
652KB

Download
memory/2140-6-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2140-55-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

Filesize
40KB

Download
memory/2140-56-0x0000000007B80000-0x0000000007C16000-memory.dmp

Filesize
600KB

Download
memory/2140-8-0x0000000005600000-0x0000000005C28000-memory.dmp

Filesize
6.2MB

Download
memory/2140-58-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2140-60-0x0000000000E90000-0x0000000000E9E000-memory.dmp

Filesize
56KB

Download
memory/2140-61-0x0000000000EA0000-0x0000000000EB4000-memory.dmp

Filesize
80KB

Download
memory/2140-62-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

Filesize
104KB

Download
memory/2140-63-0x0000000000EE0000-0x0000000000EE8000-memory.dmp

Filesize
32KB

Download
memory/2140-68-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2160-124-0x00000000061C0000-0x0000000006514000-memory.dmp

Filesize
3.3MB

Download
memory/2160-113-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2160-127-0x00000000704B0000-0x00000000704FC000-memory.dmp

Filesize
304KB

Download
memory/2160-126-0x000000007FB80000-0x000000007FB90000-memory.dmp

Filesize
64KB

Download
memory/2160-114-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2160-112-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/2160-128-0x0000000070630000-0x0000000070984000-memory.dmp

Filesize
3.3MB

Download
memory/2160-139-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-104-0x0000000007500000-0x0000000007514000-memory.dmp

Filesize
80KB

Download
memory/3468-87-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

Filesize
64KB

Download
memory/3468-75-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

Filesize
64KB

Download
memory/3468-89-0x00000000704B0000-0x00000000704FC000-memory.dmp

Filesize
304KB

Download
memory/3468-88-0x000000007F920000-0x000000007F930000-memory.dmp

Filesize
64KB

Download
memory/3468-90-0x0000000070C30000-0x0000000070F84000-memory.dmp

Filesize
3.3MB

Download
memory/3468-100-0x0000000007180000-0x0000000007223000-memory.dmp

Filesize
652KB

Download
memory/3468-74-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-101-0x0000000007490000-0x00000000074A1000-memory.dmp

Filesize
68KB

Download
memory/3468-78-0x0000000005920000-0x0000000005C74000-memory.dmp

Filesize
3.3MB

Download
memory/3468-107-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-76-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

Filesize
64KB

Download
memory/3540-35-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3540-4-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3540-2-0x0000000004060000-0x000000000494B000-memory.dmp

Filesize
8.9MB

Download
memory/3540-3-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3540-9-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3540-10-0x0000000003C50000-0x0000000004055000-memory.dmp

Filesize
4.0MB

Download
memory/3540-73-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3540-54-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3540-11-0x0000000004060000-0x000000000494B000-memory.dmp

Filesize
8.9MB

Download
memory/3540-1-0x0000000003C50000-0x0000000004055000-memory.dmp

Filesize
4.0MB

Download
memory/3540-64-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3796-210-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3796-267-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3828-141-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3828-70-0x0000000003BC0000-0x0000000003FC5000-memory.dmp

Filesize
4.0MB

Download
memory/3828-72-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3828-173-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3828-103-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download
memory/3828-71-0x0000000003FD0000-0x00000000048BB000-memory.dmp

Filesize
8.9MB

Download
memory/3828-108-0x0000000003BC0000-0x0000000003FC5000-memory.dmp

Filesize
4.0MB

Download
memory/3828-109-0x0000000000400000-0x0000000001DF9000-memory.dmp

Filesize
26.0MB

Download