darkcomet | 00b3f4a7d68ebfb9ef9d846c69eae8798aa59084993cd6e7834c385d2042c538

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 07:16

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General

Target

JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Size

756KB
MD5

78628cbb3e75c0b15d2812a514c78bc2
SHA1

791fb0603796acdc64e370fc51f436e1869e8c6a
SHA256

00b3f4a7d68ebfb9ef9d846c69eae8798aa59084993cd6e7834c385d2042c538
SHA512

f0ddedef772b0bcd9f3a72cf30fe6f69120b48bddb1f93a26c29b992e5f81dfabd209958fadcdf9d31c63ef3badd92aa6cc81954e8db94637aa80c4de0a42d05
SSDEEP

12288:z9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKHb:xAQ6Zx9cxTmOrucTIEFSpOGm

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_78628cbb3e75c0b15d2812a514c78bc2.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_78628cbb3e75c0b15d2812a514c78bc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Deletes itself 1 IoCs

pid	Process
3040	notepad.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31

System Location Discovery: System Language Discovery 1 TTPs 5 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_78628cbb3e75c0b15d2812a514c78bc2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
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_78628cbb3e75c0b15d2812a514c78bc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.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_78628cbb3e75c0b15d2812a514c78bc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSecurityPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeTakeOwnershipPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeLoadDriverPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSystemProfilePrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSystemtimePrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeProfSingleProcessPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeIncBasePriorityPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeCreatePagefilePrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeBackupPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeRestorePrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeShutdownPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeDebugPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSystemEnvironmentPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeChangeNotifyPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeRemoteShutdownPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeUndockPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeManageVolumePrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeImpersonatePrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeCreateGlobalPrivilege	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 33	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 34	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 35	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeIncreaseQuotaPrivilege	2712	explorer.exe
Token: SeSecurityPrivilege	2712	explorer.exe
Token: SeTakeOwnershipPrivilege	2712	explorer.exe
Token: SeLoadDriverPrivilege	2712	explorer.exe
Token: SeSystemProfilePrivilege	2712	explorer.exe
Token: SeSystemtimePrivilege	2712	explorer.exe
Token: SeProfSingleProcessPrivilege	2712	explorer.exe
Token: SeIncBasePriorityPrivilege	2712	explorer.exe
Token: SeCreatePagefilePrivilege	2712	explorer.exe
Token: SeBackupPrivilege	2712	explorer.exe
Token: SeRestorePrivilege	2712	explorer.exe
Token: SeShutdownPrivilege	2712	explorer.exe
Token: SeDebugPrivilege	2712	explorer.exe
Token: SeSystemEnvironmentPrivilege	2712	explorer.exe
Token: SeChangeNotifyPrivilege	2712	explorer.exe
Token: SeRemoteShutdownPrivilege	2712	explorer.exe
Token: SeUndockPrivilege	2712	explorer.exe
Token: SeManageVolumePrivilege	2712	explorer.exe
Token: SeImpersonatePrivilege	2712	explorer.exe
Token: SeCreateGlobalPrivilege	2712	explorer.exe
Token: 33	2712	explorer.exe
Token: 34	2712	explorer.exe
Token: 35	2712	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	explorer.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2204	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	30
PID 2292 wrote to memory of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31
PID 2292 wrote to memory of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31
PID 2292 wrote to memory of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31
PID 2292 wrote to memory of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31
PID 2292 wrote to memory of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31
PID 2292 wrote to memory of 2712	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	31
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2292 wrote to memory of 3040	2292	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	32
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33
PID 2712 wrote to memory of 2736	2712	explorer.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.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:2292
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2204
- 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 behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\notepad.exe
    C:\Windows\SysWOW64\notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2736
- C:\Windows\SysWOW64\notepad.exe
  C:\Windows\SysWOW64\notepad.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3040

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

Replay Monitor

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Downloads

memory/2204-2-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2204-29-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2292-0-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2712-60-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2712-38-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2712-37-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2712-36-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2712-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-32-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2712-105-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/3040-58-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads