darkcomet | 3a4853fc4fac7a5d0530059998c47d5b0bf4e4b30fca69b910e23d20fa75437d

General

Target

JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe
Size

1.3MB
MD5

19f494a1f55ddb5d654110172a80a839
SHA1

fc86950d1b52734f3f2338dce847396da6d88919
SHA256

3a4853fc4fac7a5d0530059998c47d5b0bf4e4b30fca69b910e23d20fa75437d
SHA512

bcb1b29904549f653ee7bc3e34f6c112dda324142d1deb917bf8d7adaff96fb926e57af59a1c4ad456702e856e701f4f355e2293fec107a04bcb42aa4ab18ebb
SSDEEP

12288:9IiabhvyPvPOBXHn5xBwn+MFGvdPdhd52Ce2YVcPmxmelE+oa16feVUD44ThZnLN:pSPh7PCX16NDyJWyKn5f

Score

10^/10

darkcomet test discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Test

C2

ratdoshuzo.no-ip.biz:95

Mutex

DC_MUTEX-V1WZW0N

Attributes

gencode
RRg1VblQeHFu
install
false
offline_keylogger
true
password
123a123
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4144 set thread context of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84

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	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	744	vbc.exe
Token: SeSecurityPrivilege	744	vbc.exe
Token: SeTakeOwnershipPrivilege	744	vbc.exe
Token: SeLoadDriverPrivilege	744	vbc.exe
Token: SeSystemProfilePrivilege	744	vbc.exe
Token: SeSystemtimePrivilege	744	vbc.exe
Token: SeProfSingleProcessPrivilege	744	vbc.exe
Token: SeIncBasePriorityPrivilege	744	vbc.exe
Token: SeCreatePagefilePrivilege	744	vbc.exe
Token: SeBackupPrivilege	744	vbc.exe
Token: SeRestorePrivilege	744	vbc.exe
Token: SeShutdownPrivilege	744	vbc.exe
Token: SeDebugPrivilege	744	vbc.exe
Token: SeSystemEnvironmentPrivilege	744	vbc.exe
Token: SeChangeNotifyPrivilege	744	vbc.exe
Token: SeRemoteShutdownPrivilege	744	vbc.exe
Token: SeUndockPrivilege	744	vbc.exe
Token: SeManageVolumePrivilege	744	vbc.exe
Token: SeImpersonatePrivilege	744	vbc.exe
Token: SeCreateGlobalPrivilege	744	vbc.exe
Token: 33	744	vbc.exe
Token: 34	744	vbc.exe
Token: 35	744	vbc.exe
Token: 36	744	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
744	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84
PID 4144 wrote to memory of 744	4144	JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f494a1f55ddb5d654110172a80a839.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/744-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/744-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4144-0-0x0000000075192000-0x0000000075193000-memory.dmp

Filesize
4KB

Download
memory/4144-1-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/4144-9-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/4144-2-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download

Analysis

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