darkcomet | 0c0913c7f5e273af5f41f38b8837573d1b76cd971c2f02944469799b19e40d5f

Analysis

max time kernel
98s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 06:55

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General

Target

fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Size

785KB
MD5

fee29612c4bf71a87be2d3772ce7260e
SHA1

8207567c09228918f370ff9937f35da0e460b6ef
SHA256

0c0913c7f5e273af5f41f38b8837573d1b76cd971c2f02944469799b19e40d5f
SHA512

38a5bb2097bfe84d5b4ad8f8b07ecb999854586d856fb7852a46bcea0655ca8ac413ac673b748fecfc2a92868b1122c1922670ace784ef25b8644cfa031ceca0
SSDEEP

24576:oFg59e31xM7a12FFgKqlJYvrGjbAoLRhhMS:oFgwxM7qEFgKqlJYvrzoLRjMS

Score

10^/10

darkcomet discovery evasion 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:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	winupdate.exe

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2776	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2748	winupdate.exe
2644	winupdate.exe

Loads dropped DLL 8 IoCs

pid	Process
2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
2748	winupdate.exe
2748	winupdate.exe
2748	winupdate.exe
2748	winupdate.exe
2644	winupdate.exe
2644	winupdate.exe
2644	winupdate.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	winupdate.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1940 set thread context of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 2748 set thread context of 2644	2748	winupdate.exe	36

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 6 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	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeSecurityPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeBackupPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeRestorePrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeShutdownPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeDebugPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeUndockPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: 33	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: 34	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: 35	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2644	winupdate.exe
Token: SeSecurityPrivilege	2644	winupdate.exe
Token: SeTakeOwnershipPrivilege	2644	winupdate.exe
Token: SeLoadDriverPrivilege	2644	winupdate.exe
Token: SeSystemProfilePrivilege	2644	winupdate.exe
Token: SeSystemtimePrivilege	2644	winupdate.exe
Token: SeProfSingleProcessPrivilege	2644	winupdate.exe
Token: SeIncBasePriorityPrivilege	2644	winupdate.exe
Token: SeCreatePagefilePrivilege	2644	winupdate.exe
Token: SeBackupPrivilege	2644	winupdate.exe
Token: SeRestorePrivilege	2644	winupdate.exe
Token: SeShutdownPrivilege	2644	winupdate.exe
Token: SeDebugPrivilege	2644	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2644	winupdate.exe
Token: SeChangeNotifyPrivilege	2644	winupdate.exe
Token: SeRemoteShutdownPrivilege	2644	winupdate.exe
Token: SeUndockPrivilege	2644	winupdate.exe
Token: SeManageVolumePrivilege	2644	winupdate.exe
Token: SeImpersonatePrivilege	2644	winupdate.exe
Token: SeCreateGlobalPrivilege	2644	winupdate.exe
Token: 33	2644	winupdate.exe
Token: 34	2644	winupdate.exe
Token: 35	2644	winupdate.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
2748	winupdate.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2440	1940	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2688	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	32
PID 2440 wrote to memory of 2688	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	32
PID 2440 wrote to memory of 2688	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	32
PID 2440 wrote to memory of 2688	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2776	2688	cmd.exe	34
PID 2688 wrote to memory of 2776	2688	cmd.exe	34
PID 2688 wrote to memory of 2776	2688	cmd.exe	34
PID 2688 wrote to memory of 2776	2688	cmd.exe	34
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2440 wrote to memory of 2748	2440	fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe	35
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36
PID 2748 wrote to memory of 2644	2748	winupdate.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2776	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\fee29612c4bf71a87be2d3772ce7260e_JaffaCakes118.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2776
- - C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
    "C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
      C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2644

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

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

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

Filesize
785KB

MD5
fee29612c4bf71a87be2d3772ce7260e

SHA1
8207567c09228918f370ff9937f35da0e460b6ef

SHA256
0c0913c7f5e273af5f41f38b8837573d1b76cd971c2f02944469799b19e40d5f

SHA512
38a5bb2097bfe84d5b4ad8f8b07ecb999854586d856fb7852a46bcea0655ca8ac413ac673b748fecfc2a92868b1122c1922670ace784ef25b8644cfa031ceca0

Download Submit
memory/1940-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1940-19-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1940-8-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/2440-12-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-10-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-16-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-17-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-9-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-13-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-22-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-21-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-7-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-20-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-5-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-33-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2440-3-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-70-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-86-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2644-71-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2644-89-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-88-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-63-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-87-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-83-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-74-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-75-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-73-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-76-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-77-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-78-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-79-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-80-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-81-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-82-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2644-72-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2644-85-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2644-84-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2748-36-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/2748-38-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/2748-67-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2748-39-0x00000000009B0000-0x0000000000B03000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads