darkcomet | ab5ee538853974ccb6bc195c9488578f1217c05a6f2246bbda2304d9d2bc8a09

Analysis

max time kernel
126s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 13:26

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General

Target

d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Size

833KB
MD5

d208ad20d240b437f84f6df7c87caee7
SHA1

b595aff2cada2868a99e9df7d2856362c955d4dd
SHA256

ab5ee538853974ccb6bc195c9488578f1217c05a6f2246bbda2304d9d2bc8a09
SHA512

43e22060459bfe329860dadd3f4c45a040b4e07dc5442336991ccdbf9fa40e23e03248af851e03f9a400b8d1bb303c7d32f11775abec80cd03e4d22a0af06396
SSDEEP

24576:tTEviA7EjZtXFiB8ziZfDGHbwA/MDBb+oxRXWZ:6H74XFiBEsfD65/Mtb+SRXWZ

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\\Documents\\MSDCSC\\scost.exe"	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
376	scost.exe
2432	scost.exe

Loads dropped DLL 3 IoCs

pid	Process
2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
376	scost.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\scost.exe = "C:\\Users\\Admin\\Documents\\MSDCSC\\scost.exe"	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\scost.exe = "C:\\Users\\Admin\\Documents\\MSDCSC\\scost.exe"	scost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 376 set thread context of 2432	376	scost.exe	33

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	scost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scost.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSecurityPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeBackupPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeShutdownPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeDebugPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeUndockPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 33	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 34	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 35	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2432	scost.exe
Token: SeSecurityPrivilege	2432	scost.exe
Token: SeTakeOwnershipPrivilege	2432	scost.exe
Token: SeLoadDriverPrivilege	2432	scost.exe
Token: SeSystemProfilePrivilege	2432	scost.exe
Token: SeSystemtimePrivilege	2432	scost.exe
Token: SeProfSingleProcessPrivilege	2432	scost.exe
Token: SeIncBasePriorityPrivilege	2432	scost.exe
Token: SeCreatePagefilePrivilege	2432	scost.exe
Token: SeBackupPrivilege	2432	scost.exe
Token: SeRestorePrivilege	2432	scost.exe
Token: SeShutdownPrivilege	2432	scost.exe
Token: SeDebugPrivilege	2432	scost.exe
Token: SeSystemEnvironmentPrivilege	2432	scost.exe
Token: SeChangeNotifyPrivilege	2432	scost.exe
Token: SeRemoteShutdownPrivilege	2432	scost.exe
Token: SeUndockPrivilege	2432	scost.exe
Token: SeManageVolumePrivilege	2432	scost.exe
Token: SeImpersonatePrivilege	2432	scost.exe
Token: SeCreateGlobalPrivilege	2432	scost.exe
Token: 33	2432	scost.exe
Token: 34	2432	scost.exe
Token: 35	2432	scost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
376	scost.exe
2432	scost.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	31
PID 2256 wrote to memory of 376	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	32
PID 2256 wrote to memory of 376	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	32
PID 2256 wrote to memory of 376	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	32
PID 2256 wrote to memory of 376	2256	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	32
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33
PID 376 wrote to memory of 2432	376	scost.exe	33

C:\Users\Admin\AppData\Local\Temp\d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d208ad20d240b437f84f6df7c87caee7_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:2256
- - C:\Users\Admin\Documents\MSDCSC\scost.exe
    "C:\Users\Admin\Documents\MSDCSC\scost.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:376
  - - C:\Users\Admin\Documents\MSDCSC\scost.exe
      "C:\Users\Admin\Documents\MSDCSC\scost.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2432

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

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\Documents\MSDCSC\scost.exe

Filesize
833KB

MD5
d208ad20d240b437f84f6df7c87caee7

SHA1
b595aff2cada2868a99e9df7d2856362c955d4dd

SHA256
ab5ee538853974ccb6bc195c9488578f1217c05a6f2246bbda2304d9d2bc8a09

SHA512
43e22060459bfe329860dadd3f4c45a040b4e07dc5442336991ccdbf9fa40e23e03248af851e03f9a400b8d1bb303c7d32f11775abec80cd03e4d22a0af06396

Download Submit
memory/2256-2-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2256-3-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2256-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2256-5-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2256-6-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2256-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-34-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-38-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-33-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-32-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-36-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-35-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-37-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-39-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-40-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-41-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-42-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-44-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-45-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-46-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-47-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2432-48-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads