darkcomet | 15d2c33c412f6751227856f7c8a887c9c5dcb905efdc4cbf9dc2e19a80bbd657

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 17:31

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General

Target

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Size

784KB
MD5

a377b3a16409fd5a0b6a5d5c9e01252d
SHA1

901b9c7b242cad1b5c9c7628f5e6df6dfe96308e
SHA256

15d2c33c412f6751227856f7c8a887c9c5dcb905efdc4cbf9dc2e19a80bbd657
SHA512

f797ab136bcd70996f79a82c0042f9f5d4bf2d0e90ee56a504c99f70eda55a9f0fb0944e35cb3e92deeab90f25eede7e10684d459bb952978b3c1225b1a27e61
SSDEEP

24576:d9gGLm4ki3pnf325Mm+gdnywb1QIbG9g+9fm:dqN4Jnf3dQHS6

Score

10^/10

darkcomet latentbot discovery persistence rat trojan

Malware Config

Extracted

Family

latentbot

microsoftessential.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe

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"	a377b3a16409fd5a0b6a5d5c9e01252d_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

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

msdcsc.exemsdcsc.exe

pid	Process
436	msdcsc.exe
2776	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 4540 set thread context of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 436 set thread context of 2776	436	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

Processes:

msdcsc.exea377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exea377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeSecurityPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeBackupPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeRestorePrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeShutdownPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeDebugPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeUndockPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: 33	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: 34	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: 35	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: 36	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2776	msdcsc.exe
Token: SeSecurityPrivilege	2776	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2776	msdcsc.exe
Token: SeLoadDriverPrivilege	2776	msdcsc.exe
Token: SeSystemProfilePrivilege	2776	msdcsc.exe
Token: SeSystemtimePrivilege	2776	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2776	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2776	msdcsc.exe
Token: SeCreatePagefilePrivilege	2776	msdcsc.exe
Token: SeBackupPrivilege	2776	msdcsc.exe
Token: SeRestorePrivilege	2776	msdcsc.exe
Token: SeShutdownPrivilege	2776	msdcsc.exe
Token: SeDebugPrivilege	2776	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2776	msdcsc.exe
Token: SeChangeNotifyPrivilege	2776	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2776	msdcsc.exe
Token: SeUndockPrivilege	2776	msdcsc.exe
Token: SeManageVolumePrivilege	2776	msdcsc.exe
Token: SeImpersonatePrivilege	2776	msdcsc.exe
Token: SeCreateGlobalPrivilege	2776	msdcsc.exe
Token: 33	2776	msdcsc.exe
Token: 34	2776	msdcsc.exe
Token: 35	2776	msdcsc.exe
Token: 36	2776	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exemsdcsc.exemsdcsc.exe

pid	Process
4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
436	msdcsc.exe
2776	msdcsc.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exea377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2056	4540	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	87
PID 2056 wrote to memory of 436	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	88
PID 2056 wrote to memory of 436	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	88
PID 2056 wrote to memory of 436	2056	a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe	88
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89
PID 436 wrote to memory of 2776	436	msdcsc.exe	89

C:\Users\Admin\AppData\Local\Temp\a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Users\Admin\AppData\Local\Temp\a377b3a16409fd5a0b6a5d5c9e01252d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a377b3a16409fd5a0b6a5d5c9e01252d_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:2056
- - 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:436
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.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:2776

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

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Downloads

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

Filesize
784KB

MD5
a377b3a16409fd5a0b6a5d5c9e01252d

SHA1
901b9c7b242cad1b5c9c7628f5e6df6dfe96308e

SHA256
15d2c33c412f6751227856f7c8a887c9c5dcb905efdc4cbf9dc2e19a80bbd657

SHA512
f797ab136bcd70996f79a82c0042f9f5d4bf2d0e90ee56a504c99f70eda55a9f0fb0944e35cb3e92deeab90f25eede7e10684d459bb952978b3c1225b1a27e61

Download Submit
memory/2056-2-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2056-3-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2056-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2056-5-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2056-6-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2056-21-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-34-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-38-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-33-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-32-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-36-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-35-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-37-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-39-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-40-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-41-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-42-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-44-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-45-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-46-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-47-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-48-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2776-49-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download