darkcomet | d673eceb92fb14476c8f2c3a736aa9f04492600ba4b35a12ac54670cfb90ff6d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 07:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

DarkCometRAT531/DarkComet.exe
Size

11.3MB
MD5

d761f3aa64064a706a521ba14d0f8741
SHA1

ab7382bcfdf494d0327fccce9c884592bcc1adeb
SHA256

21ca06b18698d14154a45822aaae1e3837d168cc7630bcd3ec3d8c68aaa959e6
SHA512

d2274c03f805a5cd62104492e154fc225c3f6997091accb2f4bff165308fc82ba0d9adf185ec744222bcb4ece08d1ba754a35a2d88c10c5743f4d2e66494377f
SSDEEP

196608:TPvqxSrDTVokQwhM/kSEMTQINokXJw7lW740VeqQPR:LCxSrFokQw2NjUYuWU0t

Score

10^/10

darkcomet discovery rat trojan upx

Malware Config

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	DarkComet.exe

Executes dropped EXE 1 IoCs

pid	Process
3540	upnp.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/files/0x000d000000023a68-32.dat	upx
behavioral4/memory/3540-35-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral4/memory/3540-54-0x0000000000400000-0x000000000040D000-memory.dmp	upx

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

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

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2444	DarkComet.exe
2444	DarkComet.exe
2444	DarkComet.exe
2444	DarkComet.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2444	DarkComet.exe
2444	DarkComet.exe
2444	DarkComet.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2444	DarkComet.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 3540	2444	DarkComet.exe	84
PID 2444 wrote to memory of 3540	2444	DarkComet.exe	84
PID 2444 wrote to memory of 3540	2444	DarkComet.exe	84

C:\Users\Admin\AppData\Local\Temp\DarkCometRAT531\DarkComet.exe
"C:\Users\Admin\AppData\Local\Temp\DarkCometRAT531\DarkComet.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\upnp.exe
  "C:\Users\Admin\AppData\Local\Temp\upnp.exe" -a 10.127.0.247 1488 1488 TCP
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DarkCometRAT531\config.ini

Filesize
5KB

MD5
d859ee38005ecdbd1dc444e989fefbcf

SHA1
c25c889f652b227332b9473b4f436d46972d012f

SHA256
322f22a3f781a7356671a454e07ffa2fab5115abb8457fe611806958b40a3065

SHA512
74cf061c9674f733e7f882816b5aad59b5e635147360139605c7f0d30287c14e763c64d18a3c03873bafa017b975b324524fb1ab34e5849604a8f64073a093ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\upnp.exe

Filesize
12KB

MD5
13804f8dc4e72ba103d5e34de895c9db

SHA1
03d7a0500ccb2fef3222ed1eb55f2cbedbb8b8c5

SHA256
da659d8c05cfcb5f0abe167191665359123643000d12140836c28d204294ceb6

SHA512
9abb98795a1b1c142c50c7c110966b4249972de5b1f40445b27d70c3127140b0ddaaada1d92297e96ffd71177b12cd87749953ffdcf6e5da7803b9f9527d7652

Download Submit
memory/2444-0-0x0000000002D50000-0x0000000002D51000-memory.dmp

Filesize
4KB

Download
memory/2444-1-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/2444-2-0x00000000067D0000-0x00000000067D1000-memory.dmp

Filesize
4KB

Download
memory/2444-50-0x0000000002D50000-0x0000000002D51000-memory.dmp

Filesize
4KB

Download
memory/2444-51-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/2444-52-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2444-53-0x00000000067D0000-0x00000000067D1000-memory.dmp

Filesize
4KB

Download
memory/2444-55-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/3540-35-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3540-54-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download