5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859

Reason

Machine shutdown

General

Target

5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe
Size

76KB
MD5

656f9b7a11063aab122ec630b8538b09
SHA1

9e87ff164533edfccbb6e74b4215405893707934
SHA256

5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859
SHA512

2b08c6604368b4a8b117ae4e9ad67d62cb5953deedb0f3bec9e43b0de4924e84daf04e9449a7e9d7d877d50ab3d76371979fece88e2dada014e76d761ffe8c68
SSDEEP

768:qqgFPbzKxlCSgShrwGNM6jQeEOPeM05oBCLVNodwSmTO9SyTpSCkC5HVYPC:aNXSgMpNbdEO2hqjuSmm9HyP

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1346119677 = "C:\\Users\\Admin\\1346119677.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\DWM\EnableWindowColorization = "169"	LogonUI.exe
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\ColorizationColor = "3288365271"	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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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
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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\ColorizationAfterglow = "3288365271"	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

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe
Token: SeShutdownPrivilege	2608	shutdown.exe
Token: SeRemoteShutdownPrivilege	2608	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2204	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 1224	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	82
PID 4696 wrote to memory of 1224	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	82
PID 4696 wrote to memory of 1224	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	82
PID 1224 wrote to memory of 4612	1224	cmd.exe	84
PID 1224 wrote to memory of 4612	1224	cmd.exe	84
PID 1224 wrote to memory of 4612	1224	cmd.exe	84
PID 4696 wrote to memory of 2608	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	85
PID 4696 wrote to memory of 2608	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	85
PID 4696 wrote to memory of 2608	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	85
PID 4696 wrote to memory of 1528	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	88
PID 4696 wrote to memory of 1528	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	88
PID 4696 wrote to memory of 1528	4696	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	88

C:\Users\Admin\AppData\Local\Temp\5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe
"C:\Users\Admin\AppData\Local\Temp\5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1346119677 /t REG_SZ /d "%userprofile%\1346119677.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1346119677 /t REG_SZ /d "C:\Users\Admin\1346119677.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4612
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5CA47A~1.EXE > nul
  2⤵
  PID:1528

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39fa055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2204

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/4696-134-0x00000000005C0000-0x00000000005D7000-memory.dmp

Filesize
92KB

Download
memory/4696-135-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

Errors