darkcomet | 63cd35b7058f8da9c344e81d31e1e3352ff740d91531b6737e389def528235d6

General

Target

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
Size

692KB
MD5

763657fdab719cd03bba80d5b27cf2af
SHA1

105841ae4c8ce91987459b47ad121146d9479fa6
SHA256

63cd35b7058f8da9c344e81d31e1e3352ff740d91531b6737e389def528235d6
SHA512

b3776abfac8bc4c7fbcd45606b8eb06b346b27290526facf96485cae04f4a0a89bddd27596e5ec5245624a5d50a15f7532189da7bde16f6c988a7db7a8321ab5
SSDEEP

12288:lgtfRTNidePhCg2QCHSPyNLWzi6GgtuY6/3zw21a0T4/2UeA1dhsHb:lcRTAdePgbQCHSPWLWO6GSU/sqTs2U9o

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\System\\Services\\csrss.exe"	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\System\\Services\\csrss.exe"	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2328 set thread context of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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:

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

pid	Process
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29
PID 2328 wrote to memory of 652	2328	763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\763657fdab719cd03bba80d5b27cf2af_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:652

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

Replay Monitor

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Downloads

memory/652-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/652-9-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-4-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-3-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-7-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-13-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-5-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-10-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-6-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/652-8-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2328-0-0x00000000749F1000-0x00000000749F2000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-2-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-15-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads