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
2456	vbc.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-1-5-21-4050598569-1597076380-177084960-1000\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 2600 set thread context of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84

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 24 IoCs

Processes:

vbc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2456	vbc.exe
Token: SeSecurityPrivilege	2456	vbc.exe
Token: SeTakeOwnershipPrivilege	2456	vbc.exe
Token: SeLoadDriverPrivilege	2456	vbc.exe
Token: SeSystemProfilePrivilege	2456	vbc.exe
Token: SeSystemtimePrivilege	2456	vbc.exe
Token: SeProfSingleProcessPrivilege	2456	vbc.exe
Token: SeIncBasePriorityPrivilege	2456	vbc.exe
Token: SeCreatePagefilePrivilege	2456	vbc.exe
Token: SeBackupPrivilege	2456	vbc.exe
Token: SeRestorePrivilege	2456	vbc.exe
Token: SeShutdownPrivilege	2456	vbc.exe
Token: SeDebugPrivilege	2456	vbc.exe
Token: SeSystemEnvironmentPrivilege	2456	vbc.exe
Token: SeChangeNotifyPrivilege	2456	vbc.exe
Token: SeRemoteShutdownPrivilege	2456	vbc.exe
Token: SeUndockPrivilege	2456	vbc.exe
Token: SeManageVolumePrivilege	2456	vbc.exe
Token: SeImpersonatePrivilege	2456	vbc.exe
Token: SeCreateGlobalPrivilege	2456	vbc.exe
Token: 33	2456	vbc.exe
Token: 34	2456	vbc.exe
Token: 35	2456	vbc.exe
Token: 36	2456	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid	Process
2456	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84
PID 2600 wrote to memory of 2456	2600	6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d7fa944e9a17f0ae00c821c5c8c1541_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- 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:2456

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

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Downloads

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2456-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-16-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2456-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2456-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2600-15-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2600-2-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2600-0-0x00000000750B2000-0x00000000750B3000-memory.dmp

Filesize
4KB

Download
memory/2600-1-0x00000000750B0000-0x0000000075661000-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