51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750

Reason

Machine shutdown

General

Target

51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe
Size

85KB
MD5

0db621d297338085e3f3b872d6b4eed6
SHA1

89e2c1493e50f771d324ba49ea43024b5bf28e34
SHA256

51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750
SHA512

ed35c5e06a6c72f48b167891e877beb14e1c29064438e36335efd66d6779c433be08d001770546ef4434d631a083386702005974d70ada0e1622dcc5ee9040f6
SSDEEP

1536:n3LSNZSOyFqlewor4ZXkl3CkSRpliHyPm:3uty8fVxIyLiS

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2526131862 = "C:\\Users\\Admin\\2526131862.exe"	reg.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "174"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe
Token: SeShutdownPrivilege	1044	shutdown.exe
Token: SeRemoteShutdownPrivilege	1044	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4064	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 3408	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	78
PID 3916 wrote to memory of 3408	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	78
PID 3916 wrote to memory of 3408	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	78
PID 3408 wrote to memory of 3500	3408	cmd.exe	80
PID 3408 wrote to memory of 3500	3408	cmd.exe	80
PID 3408 wrote to memory of 3500	3408	cmd.exe	80
PID 3916 wrote to memory of 1044	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	83
PID 3916 wrote to memory of 1044	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	83
PID 3916 wrote to memory of 1044	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	83
PID 3916 wrote to memory of 3960	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	85
PID 3916 wrote to memory of 3960	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	85
PID 3916 wrote to memory of 3960	3916	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	85

C:\Users\Admin\AppData\Local\Temp\51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe
"C:\Users\Admin\AppData\Local\Temp\51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2526131862 /t REG_SZ /d "%userprofile%\2526131862.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3408
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2526131862 /t REG_SZ /d "C:\Users\Admin\2526131862.exe" /f
    3⤵
    - Adds Run key to start application
    PID:3500
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\51E43A~1.EXE > nul
  2⤵
  PID:3960

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39da855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3916-134-0x0000000002150000-0x0000000002169000-memory.dmp

Filesize
100KB

Download
memory/3916-135-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

Errors