darkcomet | 3227cae1a471714861d7a829dfad41864a8912d22e31e868f97fe6992d9696f3

General

Target

69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe
Size

676KB
MD5

69d46bb3e24ed8003e43baa9ffefd1e4
SHA1

72bbf6c2ca6d3da14be6c25873b555f42ca0d4ef
SHA256

3227cae1a471714861d7a829dfad41864a8912d22e31e868f97fe6992d9696f3
SHA512

d7670fb35f303b2b728826928cdfd598294b8d491e1e46b2b66804d8e9eaae8a29e31f5967bfe01cf08d1fafb8766f58c0e37585c117f930980ebbd5b0cbe1f3
SSDEEP

12288:vm361ax3BPhK9Eu7PT9rUmvgDKvN49AL9iwYphpE9bFtx1X9GMc958CvRRHeNKt7:e3sax3DkEmPRhgSmAxipfpibFtx1X9Gl

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

thewhitewox.no-ip.org:1604

Mutex

DC_MUTEX-778GBC1

Attributes

gencode
2c39c74w4f7B
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 2 IoCs

pid	Process
3044	winini.exe
2780	cvtres.exe

Loads dropped DLL 3 IoCs

pid	Process
2120	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe
2120	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe
3044	winini.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Live = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winini.exe"	winini.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2780	3044	winini.exe	31

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 3 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	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winini.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	winini.exe
Token: SeIncreaseQuotaPrivilege	2780	cvtres.exe
Token: SeSecurityPrivilege	2780	cvtres.exe
Token: SeTakeOwnershipPrivilege	2780	cvtres.exe
Token: SeLoadDriverPrivilege	2780	cvtres.exe
Token: SeSystemProfilePrivilege	2780	cvtres.exe
Token: SeSystemtimePrivilege	2780	cvtres.exe
Token: SeProfSingleProcessPrivilege	2780	cvtres.exe
Token: SeIncBasePriorityPrivilege	2780	cvtres.exe
Token: SeCreatePagefilePrivilege	2780	cvtres.exe
Token: SeBackupPrivilege	2780	cvtres.exe
Token: SeRestorePrivilege	2780	cvtres.exe
Token: SeShutdownPrivilege	2780	cvtres.exe
Token: SeDebugPrivilege	2780	cvtres.exe
Token: SeSystemEnvironmentPrivilege	2780	cvtres.exe
Token: SeChangeNotifyPrivilege	2780	cvtres.exe
Token: SeRemoteShutdownPrivilege	2780	cvtres.exe
Token: SeUndockPrivilege	2780	cvtres.exe
Token: SeManageVolumePrivilege	2780	cvtres.exe
Token: SeImpersonatePrivilege	2780	cvtres.exe
Token: SeCreateGlobalPrivilege	2780	cvtres.exe
Token: 33	2780	cvtres.exe
Token: 34	2780	cvtres.exe
Token: 35	2780	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2780	cvtres.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 3044	2120	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe	30
PID 2120 wrote to memory of 3044	2120	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe	30
PID 2120 wrote to memory of 3044	2120	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe	30
PID 2120 wrote to memory of 3044	2120	69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31
PID 3044 wrote to memory of 2780	3044	winini.exe	31

C:\Users\Admin\AppData\Local\Temp\69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69d46bb3e24ed8003e43baa9ffefd1e4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Temp\winini.exe
  "C:\Users\Admin\AppData\Local\Temp\winini.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\cvtres.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\winini.exe

Filesize
446KB

MD5
aefca00a6627d572c031b3abc6be98e9

SHA1
568ad2f7678bd3a9708bde22cc7bd56e9f61ff99

SHA256
2d1a831af3fc939ecc2436127dc15f7e375f3bce076a081421391a1cbf1030da

SHA512
cbceceab01ca7aa08381220f02a76cae07c4923f580a8bcd27706a6664a94f9158d74a444c89ad7f4397df0d38b0ffd659a88c0889d6d7846ee93e06bc9ad6e5

Download Submit
memory/2120-1-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2120-2-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2120-13-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2120-0-0x0000000074941000-0x0000000074942000-memory.dmp

Filesize
4KB

Download
memory/2780-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2780-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3044-16-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-15-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-23-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads