darkcomet | 7dc90310298e3d436abb10953908e7d57666270823a9511ac8645aede4d2d410

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 18:40

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General

Target

b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Size

400KB
MD5

b0627d0748a0e5cbc86b021bd1bb71be
SHA1

fc51e6bfc01f81ac51baeaba55a98e26e23834e5
SHA256

7dc90310298e3d436abb10953908e7d57666270823a9511ac8645aede4d2d410
SHA512

4cab079f7deed510105b50d703c03ce41f19c01b8a095667a09528dcd53d26c1f5753b314e2e0c54ebe6dab08f9f97c5caf75fa5cb99b1255f46e8aa568135b0
SSDEEP

6144:UfA6Rv8jX0N9ImdCQkhk7uIvQdVTkLELuM9BDAoiQ6MsIMtCPzEOcV9U:q1sXmImdCJ7FdFzLuroizJIICPzP

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

mohamedmmk.zapto.org:82

Mutex

DC_MUTEX-L1KB0QQ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
LN0J2LLsllhH
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

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\\msdcsc.exe"	b0627d0748a0e5cbc86b021bd1bb71be_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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
216	msdcsc.exe
116	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4236 set thread context of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 216 set thread context of 116	216	msdcsc.exe	89

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	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeSecurityPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeBackupPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeRestorePrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeShutdownPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeDebugPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeUndockPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: 33	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: 34	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: 35	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: 36	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	116	msdcsc.exe
Token: SeSecurityPrivilege	116	msdcsc.exe
Token: SeTakeOwnershipPrivilege	116	msdcsc.exe
Token: SeLoadDriverPrivilege	116	msdcsc.exe
Token: SeSystemProfilePrivilege	116	msdcsc.exe
Token: SeSystemtimePrivilege	116	msdcsc.exe
Token: SeProfSingleProcessPrivilege	116	msdcsc.exe
Token: SeIncBasePriorityPrivilege	116	msdcsc.exe
Token: SeCreatePagefilePrivilege	116	msdcsc.exe
Token: SeBackupPrivilege	116	msdcsc.exe
Token: SeRestorePrivilege	116	msdcsc.exe
Token: SeShutdownPrivilege	116	msdcsc.exe
Token: SeDebugPrivilege	116	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	116	msdcsc.exe
Token: SeChangeNotifyPrivilege	116	msdcsc.exe
Token: SeRemoteShutdownPrivilege	116	msdcsc.exe
Token: SeUndockPrivilege	116	msdcsc.exe
Token: SeManageVolumePrivilege	116	msdcsc.exe
Token: SeImpersonatePrivilege	116	msdcsc.exe
Token: SeCreateGlobalPrivilege	116	msdcsc.exe
Token: 33	116	msdcsc.exe
Token: 34	116	msdcsc.exe
Token: 35	116	msdcsc.exe
Token: 36	116	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
216	msdcsc.exe
116	msdcsc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 4236 wrote to memory of 3444	4236	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	85
PID 3444 wrote to memory of 216	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	88
PID 3444 wrote to memory of 216	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	88
PID 3444 wrote to memory of 216	3444	b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe	88
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89
PID 216 wrote to memory of 116	216	msdcsc.exe	89

C:\Users\Admin\AppData\Local\Temp\b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Users\Admin\AppData\Local\Temp\b0627d0748a0e5cbc86b021bd1bb71be_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b0627d0748a0e5cbc86b021bd1bb71be_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:3444
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:216
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:116

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\msdcsc.exe

Filesize
400KB

MD5
b0627d0748a0e5cbc86b021bd1bb71be

SHA1
fc51e6bfc01f81ac51baeaba55a98e26e23834e5

SHA256
7dc90310298e3d436abb10953908e7d57666270823a9511ac8645aede4d2d410

SHA512
4cab079f7deed510105b50d703c03ce41f19c01b8a095667a09528dcd53d26c1f5753b314e2e0c54ebe6dab08f9f97c5caf75fa5cb99b1255f46e8aa568135b0

Download Submit
memory/116-40-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-47-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-55-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-54-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-53-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-52-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-51-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-30-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-50-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-34-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-35-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-36-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-49-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-48-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-39-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-41-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-43-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-42-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-46-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-44-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/116-45-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/216-33-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download
memory/3444-38-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3444-37-0x00000000004F0000-0x00000000005B9000-memory.dmp

Filesize
804KB

Download
memory/3444-3-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3444-10-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3444-9-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3444-8-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3444-5-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4236-0-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download
memory/4236-7-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads