glupteba | dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248

Analysis

max time kernel
52s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 12:47

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General

Target

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Size

4.2MB
MD5

1675ad3eadb63a45bd70ef2832a9e961
SHA1

3e8dee32889f96950b380c8bbdc2ec1d60b20aa6
SHA256

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248
SHA512

00ef6585174b73f3b8b73541a289a797b6aa71b5f3aaff1a5eb376f9c83655fc599bd3e4c541bd0c6bbd0de222d2684bc6fc77c28335f6874acd42180901f2bd
SSDEEP

98304:5lPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7Z:5lP9LMc0wkDbEiV0LVIt

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 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4672-2-0x0000000005060000-0x000000000594B000-memory.dmp	family_glupteba
behavioral1/memory/4672-3-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral1/memory/4672-55-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral1/memory/4672-56-0x0000000005060000-0x000000000594B000-memory.dmp	family_glupteba
behavioral1/memory/3248-58-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral1/memory/3248-94-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral1/memory/3248-157-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral1/memory/4152-193-0x0000000000400000-0x000000000300B000-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

4568 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

4152 csrss.exe

pid	process
4568	netsh.exe

pid	process
4152	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.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 opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe

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:

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe

Drops file in Windows directory 2 IoCs

Processes:

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe

description	ioc	process
File opened for modification	C:\Windows\rss	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
File created	C:\Windows\rss\csrss.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe

Program crash 6 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
4316	4672	WerFault.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
224	4672	WerFault.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
4660	4672	WerFault.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3456	3248	WerFault.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
464	3248	WerFault.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
1424	3248	WerFault.exe	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.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

2144 schtasks.exe

pid	process
2144	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exepowershell.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,-772 = "Montevideo Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	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\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	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\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

powershell.exedc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exepowershell.exedc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	process
4940	powershell.exe
4940	powershell.exe
4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3652	powershell.exe
3652	powershell.exe
3652	powershell.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
4016	powershell.exe
4016	powershell.exe
4016	powershell.exe
2248	powershell.exe
2248	powershell.exe
2248	powershell.exe
968	powershell.exe
968	powershell.exe
968	powershell.exe
4876	powershell.exe
4876	powershell.exe
4876	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

powershell.exedc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4940	powershell.exe
Token: SeDebugPrivilege	4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Token: SeImpersonatePrivilege	4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
Token: SeDebugPrivilege	3652	powershell.exe
Token: SeDebugPrivilege	4016	powershell.exe
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	968	powershell.exe
Token: SeDebugPrivilege	4876	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exedc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.execmd.execsrss.exe

description	pid	process	target process
PID 4672 wrote to memory of 4940	4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 4672 wrote to memory of 4940	4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 4672 wrote to memory of 4940	4672	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 3652	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 3652	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 3652	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 3224	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	cmd.exe
PID 3248 wrote to memory of 3224	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	cmd.exe
PID 3224 wrote to memory of 4568	3224	cmd.exe	netsh.exe
PID 3224 wrote to memory of 4568	3224	cmd.exe	netsh.exe
PID 3248 wrote to memory of 4016	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 4016	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 4016	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 2248	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 2248	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 2248	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	powershell.exe
PID 3248 wrote to memory of 4152	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	csrss.exe
PID 3248 wrote to memory of 4152	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	csrss.exe
PID 3248 wrote to memory of 4152	3248	dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe	csrss.exe
PID 4152 wrote to memory of 968	4152	csrss.exe	powershell.exe
PID 4152 wrote to memory of 968	4152	csrss.exe	powershell.exe
PID 4152 wrote to memory of 968	4152	csrss.exe	powershell.exe
PID 4152 wrote to memory of 4876	4152	csrss.exe	powershell.exe
PID 4152 wrote to memory of 4876	4152	csrss.exe	powershell.exe
PID 4152 wrote to memory of 4876	4152	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\dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
"C:\Users\Admin\AppData\Local\Temp\dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4940

C:\Users\Admin\AppData\Local\Temp\dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.exe
"C:\Users\Admin\AppData\Local\Temp\dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248.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:3248

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:3652

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:3224

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:4568

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:4016

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:2248

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4152

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:968

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:2144

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4052

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:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 676
3⤵
- Program crash
PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 824
3⤵
- Program crash
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 876
3⤵
- Program crash
PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 860
2⤵
- Program crash
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 868
2⤵
- Program crash
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 840
2⤵
- Program crash
PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4672 -ip 4672
1⤵
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4672 -ip 4672
1⤵
PID:4244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4672 -ip 4672
1⤵
PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3248 -ip 3248
1⤵
PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3248 -ip 3248
1⤵
PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3248 -ip 3248
1⤵
PID:4500

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_lncsebw3.dfh.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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
19KB

MD5
ebac2698deb2c639ffd42da55cd1997d

SHA1
7699b5461e909f48ade64f8802a2908533e63ba2

SHA256
a6413b6253df3047459614e0bc0eb765122b7fa83bc6f7ad282e5b9aa11f114c

SHA512
923544d6ec2deee9549731c5f7ad3a0d94fb963f1f0bc7248312c0bdeac3bc89473b7f56d98ed04826cc9321e2a09e2e0ab55fb4e5a371799ab669245f618e58

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

Filesize
19KB

MD5
0fb0a819d7f5b7ae0606aa86f489b1a9

SHA1
11230c0e8004765d0dc7cfd61e052bd0c40b5620

SHA256
404ecff913b34fbc545e9bfb7fefc6ede496f38b78e9b319b8d46845b91de3b0

SHA512
7e445cc882deee6715e4538477e980bff8f3ffbac7e6d9344cd1dd7385deba8c3d2432470f44409fb06a9e23a99029c9cc5d46d1b5710d65a440f3b91eaae1b6

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

Filesize
19KB

MD5
69e099d4baa20875533173c384c8f316

SHA1
141f9263a29d77de4c787fbce79e74a4171fe27a

SHA256
3bff15ff36212cf1f9c51060290b766e0b95e976f9be8de91ade0d950b89d879

SHA512
0eee5ecff108e22f8843272926996e4f4594d7f3b71169019ad84cbf98c04cd1bdc7f1d2d71b77686284d66a02b11ac769ba6689597f882a4477713d91b2fc53

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

Filesize
19KB

MD5
7ed8beca033f267ee2149b44aa633e87

SHA1
69f7f02876fca9b298c6422214f00eb23378d284

SHA256
8294309203e37a2a9ff3e8e04e69a5d27ef393610fb20764232d87c462905041

SHA512
ceb1592a85baa0ff135e66457c776a9f8d668acb3662930ee8f28e6252d7de8af8914c1adff7cf540a175b532cd86ba7e71d7a952db0aa14e0df8aced6e3073d

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

Filesize
4.2MB

MD5
1675ad3eadb63a45bd70ef2832a9e961

SHA1
3e8dee32889f96950b380c8bbdc2ec1d60b20aa6

SHA256
dc6ad8958e0b1b4f17911d19cb5bf4ac897383c575dfee9a3ab95d1c009c6248

SHA512
00ef6585174b73f3b8b73541a289a797b6aa71b5f3aaff1a5eb376f9c83655fc599bd3e4c541bd0c6bbd0de222d2684bc6fc77c28335f6874acd42180901f2bd

Download Submit
memory/2248-123-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2248-138-0x0000000070300000-0x000000007034C000-memory.dmp

Filesize
304KB

Download
memory/2248-132-0x00000000054B0000-0x0000000005804000-memory.dmp

Filesize
3.3MB

Download
memory/2248-126-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/2248-125-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/3248-94-0x0000000000400000-0x000000000300B000-memory.dmp

Filesize
44.0MB

Download
memory/3248-124-0x0000000003540000-0x000000000393F000-memory.dmp

Filesize
4.0MB

Download
memory/3248-57-0x0000000003540000-0x000000000393F000-memory.dmp

Filesize
4.0MB

Download
memory/3248-157-0x0000000000400000-0x000000000300B000-memory.dmp

Filesize
44.0MB

Download
memory/3248-58-0x0000000000400000-0x000000000300B000-memory.dmp

Filesize
44.0MB

Download
memory/3652-85-0x00000000072B0000-0x0000000007353000-memory.dmp

Filesize
652KB

Download
memory/3652-87-0x00000000075B0000-0x00000000075C1000-memory.dmp

Filesize
68KB

Download
memory/3652-75-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

Filesize
3.3MB

Download
memory/3652-86-0x0000000002B90000-0x0000000002BA0000-memory.dmp

Filesize
64KB

Download
memory/3652-88-0x0000000007600000-0x0000000007614000-memory.dmp

Filesize
80KB

Download
memory/3652-74-0x0000000070300000-0x000000007034C000-memory.dmp

Filesize
304KB

Download
memory/3652-73-0x000000007FA60000-0x000000007FA70000-memory.dmp

Filesize
64KB

Download
memory/3652-72-0x00000000065F0000-0x000000000663C000-memory.dmp

Filesize
304KB

Download
memory/3652-71-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3652-59-0x0000000002B90000-0x0000000002BA0000-memory.dmp

Filesize
64KB

Download
memory/3652-60-0x0000000005A30000-0x0000000005D84000-memory.dmp

Filesize
3.3MB

Download
memory/3652-61-0x0000000002B90000-0x0000000002BA0000-memory.dmp

Filesize
64KB

Download
memory/3652-91-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-96-0x0000000002760000-0x0000000002770000-memory.dmp

Filesize
64KB

Download
memory/4016-109-0x0000000070300000-0x000000007034C000-memory.dmp

Filesize
304KB

Download
memory/4016-95-0x0000000002760000-0x0000000002770000-memory.dmp

Filesize
64KB

Download
memory/4016-106-0x0000000005740000-0x0000000005A94000-memory.dmp

Filesize
3.3MB

Download
memory/4016-108-0x000000007FCB0000-0x000000007FCC0000-memory.dmp

Filesize
64KB

Download
memory/4016-93-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-110-0x00000000704A0000-0x00000000707F4000-memory.dmp

Filesize
3.3MB

Download
memory/4016-122-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-120-0x0000000002760000-0x0000000002770000-memory.dmp

Filesize
64KB

Download
memory/4152-193-0x0000000000400000-0x000000000300B000-memory.dmp

Filesize
44.0MB

Download
memory/4672-3-0x0000000000400000-0x000000000300B000-memory.dmp

Filesize
44.0MB

Download
memory/4672-56-0x0000000005060000-0x000000000594B000-memory.dmp

Filesize
8.9MB

Download
memory/4672-55-0x0000000000400000-0x000000000300B000-memory.dmp

Filesize
44.0MB

Download
memory/4672-2-0x0000000005060000-0x000000000594B000-memory.dmp

Filesize
8.9MB

Download
memory/4672-1-0x0000000003650000-0x0000000003A50000-memory.dmp

Filesize
4.0MB

Download
memory/4940-30-0x0000000070200000-0x000000007024C000-memory.dmp

Filesize
304KB

Download
memory/4940-45-0x0000000007CE0000-0x0000000007D76000-memory.dmp

Filesize
600KB

Download
memory/4940-28-0x000000007F4F0000-0x000000007F500000-memory.dmp

Filesize
64KB

Download
memory/4940-26-0x0000000007F30000-0x00000000085AA000-memory.dmp

Filesize
6.5MB

Download
memory/4940-27-0x00000000078D0000-0x00000000078EA000-memory.dmp

Filesize
104KB

Download
memory/4940-25-0x0000000007830000-0x00000000078A6000-memory.dmp

Filesize
472KB

Download
memory/4940-24-0x00000000076E0000-0x0000000007724000-memory.dmp

Filesize
272KB

Download
memory/4940-41-0x0000000007AC0000-0x0000000007ADE000-memory.dmp

Filesize
120KB

Download
memory/4940-43-0x0000000007AE0000-0x0000000007B83000-memory.dmp

Filesize
652KB

Download
memory/4940-42-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/4940-23-0x0000000006540000-0x000000000658C000-memory.dmp

Filesize
304KB

Download
memory/4940-49-0x0000000007C80000-0x0000000007C9A000-memory.dmp

Filesize
104KB

Download
memory/4940-22-0x0000000006510000-0x000000000652E000-memory.dmp

Filesize
120KB

Download
memory/4940-29-0x0000000007A80000-0x0000000007AB2000-memory.dmp

Filesize
200KB

Download
memory/4940-44-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/4940-31-0x00000000705D0000-0x0000000070924000-memory.dmp

Filesize
3.3MB

Download
memory/4940-46-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

Filesize
68KB

Download
memory/4940-47-0x0000000007C20000-0x0000000007C2E000-memory.dmp

Filesize
56KB

Download
memory/4940-21-0x0000000005EF0000-0x0000000006244000-memory.dmp

Filesize
3.3MB

Download
memory/4940-11-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/4940-10-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4940-9-0x0000000005630000-0x0000000005652000-memory.dmp

Filesize
136KB

Download
memory/4940-8-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/4940-6-0x00000000056F0000-0x0000000005D18000-memory.dmp

Filesize
6.2MB

Download
memory/4940-7-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/4940-5-0x0000000074360000-0x0000000074B10000-memory.dmp

Filesize
7.7MB

Download
memory/4940-4-0x0000000002C00000-0x0000000002C36000-memory.dmp

Filesize
216KB

Download
memory/4940-48-0x0000000007C40000-0x0000000007C54000-memory.dmp

Filesize
80KB

Download
memory/4940-53-0x0000000074360000-0x0000000074B10000-memory.dmp

Filesize
7.7MB

Download
memory/4940-50-0x0000000007C70000-0x0000000007C78000-memory.dmp

Filesize
32KB

Download