darkcomet | e653486060b81df92f5cddfbffaca153a11546905f994358adc296640f20a299

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2024, 17:04

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General

Target

35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Size

752KB
MD5

35e68d61778891cd281d1523402fe7d6
SHA1

19fb9eb4fd549534e9901750bd4f6b571920b74d
SHA256

e653486060b81df92f5cddfbffaca153a11546905f994358adc296640f20a299
SHA512

bbe1b97bdd52aed354da39eab95cae45c0e437cef8670cdf5f684000e3b4504e6bd2b9ff106af5db811e34e04d1250d1d3eac80898d91318b2f5ba9c563ed31c
SSDEEP

12288:HZdIyY5WGJw5NDQsNZMniH8kVwAm71MqOgsi/fDv6wuMVwsv+X4SUhO7Sevrfe+1:3IyYQTfvY5tAy1MqSOPu4v+ISUhO77

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

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\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.exe

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4160	winupdate.exe
4956	winupdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\skype = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 4160 set thread context of 4956	4160	winupdate.exe	88

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeSecurityPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeBackupPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeRestorePrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeShutdownPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeDebugPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeUndockPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: 33	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: 34	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: 35	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: 36	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4956	winupdate.exe
Token: SeSecurityPrivilege	4956	winupdate.exe
Token: SeTakeOwnershipPrivilege	4956	winupdate.exe
Token: SeLoadDriverPrivilege	4956	winupdate.exe
Token: SeSystemProfilePrivilege	4956	winupdate.exe
Token: SeSystemtimePrivilege	4956	winupdate.exe
Token: SeProfSingleProcessPrivilege	4956	winupdate.exe
Token: SeIncBasePriorityPrivilege	4956	winupdate.exe
Token: SeCreatePagefilePrivilege	4956	winupdate.exe
Token: SeBackupPrivilege	4956	winupdate.exe
Token: SeRestorePrivilege	4956	winupdate.exe
Token: SeShutdownPrivilege	4956	winupdate.exe
Token: SeDebugPrivilege	4956	winupdate.exe
Token: SeSystemEnvironmentPrivilege	4956	winupdate.exe
Token: SeChangeNotifyPrivilege	4956	winupdate.exe
Token: SeRemoteShutdownPrivilege	4956	winupdate.exe
Token: SeUndockPrivilege	4956	winupdate.exe
Token: SeManageVolumePrivilege	4956	winupdate.exe
Token: SeImpersonatePrivilege	4956	winupdate.exe
Token: SeCreateGlobalPrivilege	4956	winupdate.exe
Token: 33	4956	winupdate.exe
Token: 34	4956	winupdate.exe
Token: 35	4956	winupdate.exe
Token: 36	4956	winupdate.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
4160	winupdate.exe
4956	winupdate.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2192 wrote to memory of 2000	2192	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	84
PID 2000 wrote to memory of 4160	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	87
PID 2000 wrote to memory of 4160	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	87
PID 2000 wrote to memory of 4160	2000	35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe	87
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88
PID 4160 wrote to memory of 4956	4160	winupdate.exe	88

C:\Users\Admin\AppData\Local\Temp\35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\35e68d61778891cd281d1523402fe7d6_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
    "C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4160
  - - C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
      C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe

Filesize
752KB

MD5
35e68d61778891cd281d1523402fe7d6

SHA1
19fb9eb4fd549534e9901750bd4f6b571920b74d

SHA256
e653486060b81df92f5cddfbffaca153a11546905f994358adc296640f20a299

SHA512
bbe1b97bdd52aed354da39eab95cae45c0e437cef8670cdf5f684000e3b4504e6bd2b9ff106af5db811e34e04d1250d1d3eac80898d91318b2f5ba9c563ed31c

Download Submit
memory/2000-3-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2000-4-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2000-6-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2000-7-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2000-9-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2000-8-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2000-23-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2192-5-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2192-0-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4160-33-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4956-36-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-42-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-32-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-35-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-37-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-30-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-34-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-38-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-39-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-40-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-41-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-31-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-43-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-44-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-45-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-46-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-47-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-48-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-49-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-50-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-51-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4956-52-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads