darkcomet | f8362987559c18f86c3140f587c9afe2fb672bf8e7c9cef72a40b023340ba1d6

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 16:42

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General

Target

Dark Comet 5.3/Dark Comet/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

Executes dropped EXE 1 IoCs

pid	Process
2812	upnp.exe

Loads dropped DLL 2 IoCs

pid	Process
1984	DarkComet.exe
1984	DarkComet.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral13/files/0x00090000000120d6-44.dat	upx
behavioral13/memory/1984-45-0x0000000006940000-0x000000000694D000-memory.dmp	upx
behavioral13/memory/2812-66-0x0000000000400000-0x000000000040D000-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 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	DarkComet.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1984	DarkComet.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1984	DarkComet.exe
1984	DarkComet.exe
1984	DarkComet.exe
1984	DarkComet.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1984	DarkComet.exe
1984	DarkComet.exe
1984	DarkComet.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1984	DarkComet.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2812	1984	DarkComet.exe	30
PID 1984 wrote to memory of 2812	1984	DarkComet.exe	30
PID 1984 wrote to memory of 2812	1984	DarkComet.exe	30
PID 1984 wrote to memory of 2812	1984	DarkComet.exe	30

C:\Users\Admin\AppData\Local\Temp\Dark Comet 5.3\Dark Comet\DarkComet.exe
"C:\Users\Admin\AppData\Local\Temp\Dark Comet 5.3\Dark Comet\DarkComet.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\upnp.exe
  "C:\Users\Admin\AppData\Local\Temp\upnp.exe" -a 10.127.0.184 1604 1604 TCP
  2⤵
  - Executes dropped EXE
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Dark Comet 5.3\Dark Comet\config.ini

Filesize
2KB

MD5
227dbbf06cb72b05d459ff385e78c01b

SHA1
1a9bf16b07d44fcb5f1785d0840a6eaaca6f7f11

SHA256
c9acbbd78073afcb8dd951b0024673cbaed8ac6bd7f1002289fa70ffabdfd382

SHA512
5fe6c13585343ec37f0b0109f1036a8a0eec9bac274e8c0e977925707ef9253580adc13ef17fae7517a8f871aa7e5b9dc9529ba23d37ee4b0a6e94bad4ed3831

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

Filesize
12KB

MD5
13804f8dc4e72ba103d5e34de895c9db

SHA1
03d7a0500ccb2fef3222ed1eb55f2cbedbb8b8c5

SHA256
da659d8c05cfcb5f0abe167191665359123643000d12140836c28d204294ceb6

SHA512
9abb98795a1b1c142c50c7c110966b4249972de5b1f40445b27d70c3127140b0ddaaada1d92297e96ffd71177b12cd87749953ffdcf6e5da7803b9f9527d7652

Download Submit
memory/1984-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1984-1-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/1984-45-0x0000000006940000-0x000000000694D000-memory.dmp

Filesize
52KB

Download
memory/1984-64-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1984-65-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/1984-68-0x0000000006940000-0x000000000694D000-memory.dmp

Filesize
52KB

Download
memory/1984-67-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2812-66-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download