darkcomet | ea586de4293478f10957d8be960459975233e4bbd75ead0ec4a57fe1d9361f65

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 02:27

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General

Target

JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Size

659KB
MD5

69aa472587bf7b00584af30b14ee40a7
SHA1

9e753a4d688b2b4c65d37be802074d692f2ee08f
SHA256

ea586de4293478f10957d8be960459975233e4bbd75ead0ec4a57fe1d9361f65
SHA512

22bdfb5e6aab8ee621272daa5ce0b228b7f0e3188e74e78fa4e7bbb93ae3f9da5d9064c0c27537aa3c57bec8393c81f8f852a4746cb626344d4f2f37fd8a99f2
SSDEEP

12288:x9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnK8:HAQ6Zx9cxTmOrucTIEFSpOGp

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
Darkcomet family
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:\\Windupdt\\winupdate.exe"	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.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	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.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	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeSecurityPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeTakeOwnershipPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeLoadDriverPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeSystemProfilePrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeSystemtimePrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeProfSingleProcessPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeIncBasePriorityPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeCreatePagefilePrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeBackupPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeRestorePrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeShutdownPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeDebugPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeSystemEnvironmentPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeChangeNotifyPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeRemoteShutdownPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeUndockPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeManageVolumePrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeImpersonatePrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeCreateGlobalPrivilege	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: 33	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: 34	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: 35	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
Token: SeIncreaseQuotaPrivilege	2556	explorer.exe
Token: SeSecurityPrivilege	2556	explorer.exe
Token: SeTakeOwnershipPrivilege	2556	explorer.exe
Token: SeLoadDriverPrivilege	2556	explorer.exe
Token: SeSystemProfilePrivilege	2556	explorer.exe
Token: SeSystemtimePrivilege	2556	explorer.exe
Token: SeProfSingleProcessPrivilege	2556	explorer.exe
Token: SeIncBasePriorityPrivilege	2556	explorer.exe
Token: SeCreatePagefilePrivilege	2556	explorer.exe
Token: SeBackupPrivilege	2556	explorer.exe
Token: SeRestorePrivilege	2556	explorer.exe
Token: SeShutdownPrivilege	2556	explorer.exe
Token: SeDebugPrivilege	2556	explorer.exe
Token: SeSystemEnvironmentPrivilege	2556	explorer.exe
Token: SeChangeNotifyPrivilege	2556	explorer.exe
Token: SeRemoteShutdownPrivilege	2556	explorer.exe
Token: SeUndockPrivilege	2556	explorer.exe
Token: SeManageVolumePrivilege	2556	explorer.exe
Token: SeImpersonatePrivilege	2556	explorer.exe
Token: SeCreateGlobalPrivilege	2556	explorer.exe
Token: 33	2556	explorer.exe
Token: 34	2556	explorer.exe
Token: 35	2556	explorer.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2812	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	31
PID 3028 wrote to memory of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32
PID 3028 wrote to memory of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32
PID 3028 wrote to memory of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32
PID 3028 wrote to memory of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32
PID 3028 wrote to memory of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32
PID 3028 wrote to memory of 2556	3028	JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69aa472587bf7b00584af30b14ee40a7.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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:3028
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2556

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

memory/2556-38-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-40-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2556-44-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2556-30-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-36-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-34-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-43-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-42-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-41-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2556-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-39-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2812-2-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2812-27-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/3028-0-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/3028-35-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads