darkcomet | ab5ee538853974ccb6bc195c9488578f1217c05a6f2246bbda2304d9d2bc8a09

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3604	scost.exe
1584	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\scost.exe = "C:\\Users\\Admin\\Documents\\MSDCSC\\scost.exe"	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\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 1432 set thread context of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 3604 set thread context of 1584	3604	scost.exe	90

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

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSecurityPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeBackupPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeRestorePrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeShutdownPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeDebugPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeUndockPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 33	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 34	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 35	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: 36	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1584	scost.exe
Token: SeSecurityPrivilege	1584	scost.exe
Token: SeTakeOwnershipPrivilege	1584	scost.exe
Token: SeLoadDriverPrivilege	1584	scost.exe
Token: SeSystemProfilePrivilege	1584	scost.exe
Token: SeSystemtimePrivilege	1584	scost.exe
Token: SeProfSingleProcessPrivilege	1584	scost.exe
Token: SeIncBasePriorityPrivilege	1584	scost.exe
Token: SeCreatePagefilePrivilege	1584	scost.exe
Token: SeBackupPrivilege	1584	scost.exe
Token: SeRestorePrivilege	1584	scost.exe
Token: SeShutdownPrivilege	1584	scost.exe
Token: SeDebugPrivilege	1584	scost.exe
Token: SeSystemEnvironmentPrivilege	1584	scost.exe
Token: SeChangeNotifyPrivilege	1584	scost.exe
Token: SeRemoteShutdownPrivilege	1584	scost.exe
Token: SeUndockPrivilege	1584	scost.exe
Token: SeManageVolumePrivilege	1584	scost.exe
Token: SeImpersonatePrivilege	1584	scost.exe
Token: SeCreateGlobalPrivilege	1584	scost.exe
Token: 33	1584	scost.exe
Token: 34	1584	scost.exe
Token: 35	1584	scost.exe
Token: 36	1584	scost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
3604	scost.exe
1584	scost.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1432 wrote to memory of 1328	1432	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	86
PID 1328 wrote to memory of 3604	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	89
PID 1328 wrote to memory of 3604	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	89
PID 1328 wrote to memory of 3604	1328	d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe	89
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90
PID 3604 wrote to memory of 1584	3604	scost.exe	90

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:1432
- C:\Users\Admin\AppData\Local\Temp\d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d208ad20d240b437f84f6df7c87caee7_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Users\Admin\Documents\MSDCSC\scost.exe
    "C:\Users\Admin\Documents\MSDCSC\scost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3604
  - - 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:1584

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

C:\Users\Admin\Documents\MSDCSC\scost.exe

Filesize
833KB

MD5
d208ad20d240b437f84f6df7c87caee7

SHA1
b595aff2cada2868a99e9df7d2856362c955d4dd

SHA256
ab5ee538853974ccb6bc195c9488578f1217c05a6f2246bbda2304d9d2bc8a09

SHA512
43e22060459bfe329860dadd3f4c45a040b4e07dc5442336991ccdbf9fa40e23e03248af851e03f9a400b8d1bb303c7d32f11775abec80cd03e4d22a0af06396

Download Submit
memory/1328-3-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1328-2-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1328-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1328-5-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1328-6-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1328-21-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-34-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-38-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-33-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-32-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-36-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-35-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-37-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-39-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-40-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-41-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-42-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-44-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-45-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-46-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-47-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-48-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1584-49-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads