bb81b7ee2f7a45c1d47ab1312886b7fe985cb4090b56fc216ba472486c430477

Analysis

max time kernel
4s
max time network
7s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 00:31

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Reason

Machine shutdown

Report Analysis Logs

General

Target

DEVIL.exe
Size

82KB
MD5

2150441385aa4c9a077161ba835ce528
SHA1

cdd37f20aefdf4cd804423d490067616ce6a1088
SHA256

bb81b7ee2f7a45c1d47ab1312886b7fe985cb4090b56fc216ba472486c430477
SHA512

22947ba02700422a8ffec4cad5306e4d041359b636f71b6547c64077296747f698c3d5f8bcaf8b19451b74180105cf57688f5bffbf5ce86fb951c2fc4e361174
SSDEEP

1536:QcpG/9Qa/9frl4yHoAhQUkvJlyloYJ2XStaIu2BgwtbN9ln0e7:Fs/qa/LBHiUkvpYJzdBgwVB7

Score

10^/10

evasion persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "empty"	DEVIL.exe

Disables Task Manager via registry modification
evasion

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	DEVIL.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\Desktop\Wallpaper	DEVIL.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	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
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\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\ColorizationAfterglow = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "66"	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\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	DEVIL.exe
2664	DEVIL.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	DEVIL.exe
Token: SeShutdownPrivilege	4188	shutdown.exe
Token: SeRemoteShutdownPrivilege	4188	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4592	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 4188	2664	DEVIL.exe	89
PID 2664 wrote to memory of 4188	2664	DEVIL.exe	89

C:\Users\Admin\AppData\Local\Temp\DEVIL.exe
"C:\Users\Admin\AppData\Local\Temp\DEVIL.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\System32\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4188

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa395b855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

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Downloads

memory/2664-1-0x00000000001B0000-0x00000000001CA000-memory.dmp

Filesize
104KB

Download
memory/2664-0-0x00007FF967163000-0x00007FF967165000-memory.dmp

Filesize
8KB

Download
memory/2664-2-0x00007FF967160000-0x00007FF967C21000-memory.dmp

Filesize
10.8MB

Download
memory/2664-3-0x00007FF967160000-0x00007FF967C21000-memory.dmp

Filesize
10.8MB

Download
memory/2664-4-0x00007FF967160000-0x00007FF967C21000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads