darkcomet | a93e8769416686494b88a824fa6020303bb2b5b0a8115018f7c7be292b1039f2

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 15:26

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General

Target

JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe
Size

1.2MB
MD5

8fafe7a85dac5b88c2e78fca27939640
SHA1

5f02d41e422e05bb310551d52d1e4f7616acab34
SHA256

a93e8769416686494b88a824fa6020303bb2b5b0a8115018f7c7be292b1039f2
SHA512

17c8f7de4267fe92fb89412027c78635092eb2afc88d76903a4941a6a8c0eb1eabfe956ec80c8b96153a9e1f6ab6a55338ef2dd89d8f3c3fabdf8d34466b4744
SSDEEP

24576:+bXUN9qOHOPeKCOo9d0QN857KrYQZl2c+WhnuR:Me9qO2e+o9+P7KdUMh+

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\""	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3324	3496	WerFault.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83
PID 1820 wrote to memory of 3496	1820	JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fafe7a85dac5b88c2e78fca27939640.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:3496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 12
    3⤵
    - Program crash
    PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3496 -ip 3496
1⤵
PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1820-0-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/1820-1-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/1820-2-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/1820-6-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3496-4-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads