darkcomet | 00b3f4a7d68ebfb9ef9d846c69eae8798aa59084993cd6e7834c385d2042c538

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 07:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe

Deletes itself 1 IoCs

pid	Process
4544	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2940 set thread context of 4432	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	84

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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
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

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	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
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

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
4432	explorer.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSecurityPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeTakeOwnershipPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeLoadDriverPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSystemProfilePrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSystemtimePrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeProfSingleProcessPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeIncBasePriorityPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeCreatePagefilePrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeBackupPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeRestorePrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeShutdownPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeDebugPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeSystemEnvironmentPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeChangeNotifyPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeRemoteShutdownPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeUndockPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeManageVolumePrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeImpersonatePrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeCreateGlobalPrivilege	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 33	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 34	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 35	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: 36	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe
Token: SeIncreaseQuotaPrivilege	4432	explorer.exe
Token: SeSecurityPrivilege	4432	explorer.exe
Token: SeTakeOwnershipPrivilege	4432	explorer.exe
Token: SeLoadDriverPrivilege	4432	explorer.exe
Token: SeSystemProfilePrivilege	4432	explorer.exe
Token: SeSystemtimePrivilege	4432	explorer.exe
Token: SeProfSingleProcessPrivilege	4432	explorer.exe
Token: SeIncBasePriorityPrivilege	4432	explorer.exe
Token: SeCreatePagefilePrivilege	4432	explorer.exe
Token: SeBackupPrivilege	4432	explorer.exe
Token: SeRestorePrivilege	4432	explorer.exe
Token: SeShutdownPrivilege	4432	explorer.exe
Token: SeDebugPrivilege	4432	explorer.exe
Token: SeSystemEnvironmentPrivilege	4432	explorer.exe
Token: SeChangeNotifyPrivilege	4432	explorer.exe
Token: SeRemoteShutdownPrivilege	4432	explorer.exe
Token: SeUndockPrivilege	4432	explorer.exe
Token: SeManageVolumePrivilege	4432	explorer.exe
Token: SeImpersonatePrivilege	4432	explorer.exe
Token: SeCreateGlobalPrivilege	4432	explorer.exe
Token: 33	4432	explorer.exe
Token: 34	4432	explorer.exe
Token: 35	4432	explorer.exe
Token: 36	4432	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4432	explorer.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4564	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	83
PID 2940 wrote to memory of 4432	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	84
PID 2940 wrote to memory of 4432	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	84
PID 2940 wrote to memory of 4432	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	84
PID 2940 wrote to memory of 4432	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	84
PID 2940 wrote to memory of 4432	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	84
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 2940 wrote to memory of 4544	2940	JaffaCakes118_78628cbb3e75c0b15d2812a514c78bc2.exe	85
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86
PID 4432 wrote to memory of 2080	4432	explorer.exe	86

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:2940
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4564
- 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:4432
- - C:\Windows\SysWOW64\notepad.exe
    C:\Windows\SysWOW64\notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2080
- C:\Windows\SysWOW64\notepad.exe
  C:\Windows\SysWOW64\notepad.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4544

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

Loading Replay Monitor...

Downloads

memory/2080-11-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

Filesize
4KB

Download
memory/2940-0-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/2940-9-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-13-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-7-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-8-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-5-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-14-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-15-0x0000000000540000-0x0000000000973000-memory.dmp

Filesize
4.2MB

Download
memory/4432-12-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4432-10-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4544-6-0x00000000010C0000-0x00000000010C1000-memory.dmp

Filesize
4KB

Download
memory/4564-2-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads