darkcomet | 58958e1762681ffa3c18fb4de3899d0f7056f6a820dc1befafb335efe06d4cda

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
08-12-2024 03:53

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General

Target

DarkComet v5.3/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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	DarkComet.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	upnp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b9c-7.dat	upx
behavioral2/memory/2696-10-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral2/memory/2696-16-0x0000000000400000-0x000000000040D000-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	DarkComet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	upnp.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
3048	DarkComet.exe
3048	DarkComet.exe
3048	DarkComet.exe
3048	DarkComet.exe
3048	DarkComet.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3048	DarkComet.exe
3048	DarkComet.exe
3048	DarkComet.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3048	DarkComet.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2696	3048	DarkComet.exe	81
PID 3048 wrote to memory of 2696	3048	DarkComet.exe	81
PID 3048 wrote to memory of 2696	3048	DarkComet.exe	81

C:\Users\Admin\AppData\Local\Temp\DarkComet v5.3\DarkComet.exe
"C:\Users\Admin\AppData\Local\Temp\DarkComet v5.3\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:3048
- C:\Users\Admin\AppData\Local\Temp\upnp.exe
  "C:\Users\Admin\AppData\Local\Temp\upnp.exe" -a 10.127.1.25 1604 1604 TCP
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2696

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\DarkComet v5.3\config.ini

Filesize
822B

MD5
a8933c0b2a69690ca5f7af8910fcba5b

SHA1
50eddca3220dbe7fd44b3add276c1fbf3ad0ccfb

SHA256
c8687eaede08731c29fac0e12786fa998180fc2923bbea58724e10c8b47860e7

SHA512
db6d04a57a45b067211c504fb7ab50c484670286b22c03454fa2c3fd8aca66c3c01a070f190f4886df1ec771319b13bb938d41b021a5c66a6f0042d068c05cbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\DarkComet v5.3\config.ini

Filesize
822B

MD5
6d1fbe65bc58b142af5595697c0cff84

SHA1
4098e9b6425619cd2eb93d268cfabfa3193ab88d

SHA256
0832eff4b43ef0b8826a1c90af00b1b433651b78a63f7be53780e69b1a12138e

SHA512
fd8eea66c3a51eb0f707b3a40e94fe1310fe338ee4af36d162910a571ef79cbdcb58b6f91a0dd34f1198bb9038a978ad224264a97b4b0dbe8e15d0e7a757ac8d

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

Filesize
12KB

MD5
13804f8dc4e72ba103d5e34de895c9db

SHA1
03d7a0500ccb2fef3222ed1eb55f2cbedbb8b8c5

SHA256
da659d8c05cfcb5f0abe167191665359123643000d12140836c28d204294ceb6

SHA512
9abb98795a1b1c142c50c7c110966b4249972de5b1f40445b27d70c3127140b0ddaaada1d92297e96ffd71177b12cd87749953ffdcf6e5da7803b9f9527d7652

Download Submit
memory/2696-16-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2696-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3048-15-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/3048-0-0x0000000002C00000-0x0000000002C01000-memory.dmp

Filesize
4KB

Download
memory/3048-14-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/3048-13-0x0000000002C00000-0x0000000002C01000-memory.dmp

Filesize
4KB

Download
memory/3048-17-0x0000000006690000-0x0000000006691000-memory.dmp

Filesize
4KB

Download
memory/3048-20-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/3048-2-0x0000000006690000-0x0000000006691000-memory.dmp

Filesize
4KB

Download
memory/3048-1-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download