darkcomet | a2a4c8af372eccf278becc37b759b4b0c6b8986a99e110d9ea395bbc4ff8ce28

General

Target

JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe
Size

1.0MB
MD5

a3c73fb362c955b230aace3d72edad49
SHA1

416adeadebec3fbd4630e54c8ffe18faf77f7ba6
SHA256

a2a4c8af372eccf278becc37b759b4b0c6b8986a99e110d9ea395bbc4ff8ce28
SHA512

16a6f41f07bcef563b840516a5faf42698b218741c8c8c2dcf56475353f6ed809dcb771e490d5f6f42431013f6ecb008ca1bc73f11c31d4b3019183baae5af7d
SSDEEP

12288:yXsslJiFZPybqOG41dohQAVYpN91jjU3E++3LeoX01p7/qvey27w9JssxsxVcLcj:4s9uhG4qyyOV9S9xmLj6r8nTJLpbpJG

Score

10^/10

darkcomet guest16 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

herpderptestderp.no-ip.org:1606

Mutex

DC_MUTEX-1U2KE09

Attributes

gencode
czggAjGQuZCn
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2540	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2184 set thread context of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30

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 2 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe
Token: SeTakeOwnershipPrivilege	2540	svchost.exe
Token: SeLoadDriverPrivilege	2540	svchost.exe
Token: SeSystemProfilePrivilege	2540	svchost.exe
Token: SeSystemtimePrivilege	2540	svchost.exe
Token: SeProfSingleProcessPrivilege	2540	svchost.exe
Token: SeIncBasePriorityPrivilege	2540	svchost.exe
Token: SeCreatePagefilePrivilege	2540	svchost.exe
Token: SeBackupPrivilege	2540	svchost.exe
Token: SeRestorePrivilege	2540	svchost.exe
Token: SeShutdownPrivilege	2540	svchost.exe
Token: SeDebugPrivilege	2540	svchost.exe
Token: SeSystemEnvironmentPrivilege	2540	svchost.exe
Token: SeChangeNotifyPrivilege	2540	svchost.exe
Token: SeRemoteShutdownPrivilege	2540	svchost.exe
Token: SeUndockPrivilege	2540	svchost.exe
Token: SeManageVolumePrivilege	2540	svchost.exe
Token: SeImpersonatePrivilege	2540	svchost.exe
Token: SeCreateGlobalPrivilege	2540	svchost.exe
Token: 33	2540	svchost.exe
Token: 34	2540	svchost.exe
Token: 35	2540	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2540	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30
PID 2184 wrote to memory of 2540	2184	JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3c73fb362c955b230aace3d72edad49.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2184-28-0x00000000740D0000-0x000000007467B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-1-0x00000000740D0000-0x000000007467B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-2-0x00000000740D0000-0x000000007467B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-0-0x00000000740D1000-0x00000000740D2000-memory.dmp

Filesize
4KB

Download
memory/2540-33-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-30-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-13-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-9-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-29-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-31-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-32-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-34-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-35-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-36-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-37-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-38-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-39-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-40-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-41-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-42-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-43-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-44-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-45-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-46-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-47-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-48-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2540-49-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

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