darkcomet | c8beb8bb5806e0f3cc73560b3e8c1af753991b17b52c8e8a5ed0eb1ef9ea7ebb

General

Target

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe
Size

1.1MB
MD5

6d7fa944e9a17f0ae00c821c5c8c1541
SHA1

274f3b46c568650a558b97cc33fd675fb9ff24c2
SHA256

c8beb8bb5806e0f3cc73560b3e8c1af753991b17b52c8e8a5ed0eb1ef9ea7ebb
SHA512

3ede0205a4b671c5d767d51bc5c990560ff2656c3dc0b631184be8d65f10d0cf19331c7300eb459124be589462dda9d4fb6399e7726af599a46f24afe26f448b
SSDEEP

12288:ZNdxlPT6ZYgGDHOlh8YbHlmZoQK342qY0+7O9g4pzRAT6jL1wCGCO2VdsLJZcuGK:ZNdxkSAE57O2VPun3NRYngUFO/

Score

10^/10

darkcomet darkrat discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

darkRAT

C2

skipfish.no-ip.biz:770

Mutex

DC_MUTEX-V2B0P5G

Attributes

gencode
k7KDUrCyoaa0
install
false
offline_keylogger
true
password
darktheatre
persistence
false

Signatures

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

Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid	Process
1384	vbc.exe

Loads dropped DLL 1 IoCs

Processes:

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe

pid	Process
1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.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

Processes:

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe

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\\6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe"	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1692 set thread context of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.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

Processes:

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1384	vbc.exe
Token: SeSecurityPrivilege	1384	vbc.exe
Token: SeTakeOwnershipPrivilege	1384	vbc.exe
Token: SeLoadDriverPrivilege	1384	vbc.exe
Token: SeSystemProfilePrivilege	1384	vbc.exe
Token: SeSystemtimePrivilege	1384	vbc.exe
Token: SeProfSingleProcessPrivilege	1384	vbc.exe
Token: SeIncBasePriorityPrivilege	1384	vbc.exe
Token: SeCreatePagefilePrivilege	1384	vbc.exe
Token: SeBackupPrivilege	1384	vbc.exe
Token: SeRestorePrivilege	1384	vbc.exe
Token: SeShutdownPrivilege	1384	vbc.exe
Token: SeDebugPrivilege	1384	vbc.exe
Token: SeSystemEnvironmentPrivilege	1384	vbc.exe
Token: SeChangeNotifyPrivilege	1384	vbc.exe
Token: SeRemoteShutdownPrivilege	1384	vbc.exe
Token: SeUndockPrivilege	1384	vbc.exe
Token: SeManageVolumePrivilege	1384	vbc.exe
Token: SeImpersonatePrivilege	1384	vbc.exe
Token: SeCreateGlobalPrivilege	1384	vbc.exe
Token: 33	1384	vbc.exe
Token: 34	1384	vbc.exe
Token: 35	1384	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid	Process
1384	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30
PID 1692 wrote to memory of 1384	1692	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.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:1692
- 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:1384

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 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

Loading Replay Monitor...

Downloads

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1384-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-50-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1384-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-48-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1384-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1692-2-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/1692-1-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/1692-29-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/1692-0-0x0000000074F21000-0x0000000074F22000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads