darkcomet | 9f681ce520e13e5d68c45a039431fdcb7ad48bc45777b3f7adc85be874614798

General

Target

JaffaCakes118_803728632806db39655f3d62cf556647.exe
Size

1.2MB
MD5

803728632806db39655f3d62cf556647
SHA1

3248e36a3a25f93a7085fd9b613e5cfbc3664c38
SHA256

9f681ce520e13e5d68c45a039431fdcb7ad48bc45777b3f7adc85be874614798
SHA512

a99008de00fa31eb3228de966deab32d02133b2dd23880a5699cf7db4d3e25b764bb95043fe3a80920acefd1b82ac26bcf4afc9a643be262953eb95b0e9c4d39
SSDEEP

24576:mBNSwu3+XXhsAVCFdSfLvt+HZgguvzpKr0mP4rHS:EQRuiXSjVwZggu4YHr

Score

10^/10

darkcomet victim discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

C2

rawr123.no-ip.org:1604

Mutex

DC_MUTEX-RW0HW3V

Attributes

gencode
bx2Vs�vgQD�K
install
false
offline_keylogger
true
persistence
false

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

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
2400	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_803728632806db39655f3d62cf556647.exe"	JaffaCakes118_803728632806db39655f3d62cf556647.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30

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_803728632806db39655f3d62cf556647.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2400	vbc.exe
Token: SeSecurityPrivilege	2400	vbc.exe
Token: SeTakeOwnershipPrivilege	2400	vbc.exe
Token: SeLoadDriverPrivilege	2400	vbc.exe
Token: SeSystemProfilePrivilege	2400	vbc.exe
Token: SeSystemtimePrivilege	2400	vbc.exe
Token: SeProfSingleProcessPrivilege	2400	vbc.exe
Token: SeIncBasePriorityPrivilege	2400	vbc.exe
Token: SeCreatePagefilePrivilege	2400	vbc.exe
Token: SeBackupPrivilege	2400	vbc.exe
Token: SeRestorePrivilege	2400	vbc.exe
Token: SeShutdownPrivilege	2400	vbc.exe
Token: SeDebugPrivilege	2400	vbc.exe
Token: SeSystemEnvironmentPrivilege	2400	vbc.exe
Token: SeChangeNotifyPrivilege	2400	vbc.exe
Token: SeRemoteShutdownPrivilege	2400	vbc.exe
Token: SeUndockPrivilege	2400	vbc.exe
Token: SeManageVolumePrivilege	2400	vbc.exe
Token: SeImpersonatePrivilege	2400	vbc.exe
Token: SeCreateGlobalPrivilege	2400	vbc.exe
Token: 33	2400	vbc.exe
Token: 34	2400	vbc.exe
Token: 35	2400	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2400	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30
PID 3024 wrote to memory of 2400	3024	JaffaCakes118_803728632806db39655f3d62cf556647.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_803728632806db39655f3d62cf556647.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_803728632806db39655f3d62cf556647.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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 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\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2400-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-32-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-22-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-16-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-15-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-13-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-12-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2400-9-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-10-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-23-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-25-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2400-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/3024-2-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

Filesize
4KB

Download
memory/3024-20-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-1-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads