darkcomet | 4cb109b18917d283ae89a8b0c09b063d6e0a381fce44c3d6cb6abada4d0d5822

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 22:47

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General

Target

09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe
Size

189KB
MD5

09ec09c02754eb0f1908db7ae95c961e
SHA1

64d2b7b93adb193a4efd232e74069565c2a31c36
SHA256

4cb109b18917d283ae89a8b0c09b063d6e0a381fce44c3d6cb6abada4d0d5822
SHA512

195b2c92a0cf4508ddca7ec7ed376b1927b1c4edb16af502e82fc23c7be4a11feda929fecbbf8dd53552c591a08455becdd5ed0291b9c1225758869949051976
SSDEEP

3072:O0zIEuOdmjDb1Jyyv+TRu16vcjD/xnxP8V/J:u3d+66vW4V/

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

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

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

vbc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe

description pid process target process

PID 2052 set thread context of 2464 2052 09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe vbc.exe
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 6 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

2464 vbc.exe

description	pid	process	target process
PID 2052 set thread context of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2464	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe

description	pid	process	target process
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe
PID 2052 wrote to memory of 2464	2052	09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09ec09c02754eb0f1908db7ae95c961e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
2⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:2464

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2052-0-0x0000000074361000-0x0000000074362000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-2-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-24-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2464-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2464-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2464-13-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2464-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2464-17-0x0000000000240000-0x000000000029F000-memory.dmp

Filesize
380KB

Download
memory/2464-19-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2464-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2464-23-0x0000000002B90000-0x0000000002CC3000-memory.dmp

Filesize
1.2MB

Download
memory/2464-25-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download