darkcomet | bfe9a76229e6e502b7c542007cd976dd3b5e0d26190cdf7cc8a5e5aab0a63f7d

Analysis

max time kernel
80s
max time network
55s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-10-2024 07:46

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General

Target

Darkcomet RAT 5.3.1/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

Processes:

upnp.exe

pid	Process
1928	upnp.exe

Loads dropped DLL 2 IoCs

Processes:

DarkComet.exe

pid	Process
2028	DarkComet.exe
2028	DarkComet.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral4/memory/2028-48-0x0000000006300000-0x000000000630D000-memory.dmp	upx
behavioral4/files/0x000d00000001225f-55.dat	upx
behavioral4/memory/1928-57-0x0000000000400000-0x000000000040D000-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

Processes:

DarkComet.exe

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

DarkComet.exe

pid	Process
2028	DarkComet.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

DarkComet.exe

pid	Process
2028	DarkComet.exe
2028	DarkComet.exe
2028	DarkComet.exe
2028	DarkComet.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

DarkComet.exe

pid	Process
2028	DarkComet.exe
2028	DarkComet.exe
2028	DarkComet.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DarkComet.exe

pid	Process
2028	DarkComet.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

DarkComet.exe

description	pid	Process	procid_target
PID 2028 wrote to memory of 1928	2028	DarkComet.exe	30
PID 2028 wrote to memory of 1928	2028	DarkComet.exe	30
PID 2028 wrote to memory of 1928	2028	DarkComet.exe	30
PID 2028 wrote to memory of 1928	2028	DarkComet.exe	30

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe
"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\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:2028
- C:\Users\Admin\AppData\Local\Temp\upnp.exe
  "C:\Users\Admin\AppData\Local\Temp\upnp.exe" -a 10.127.1.155 1604 1604 TCP
  2⤵
  - Executes dropped EXE
  PID:1928

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\Darkcomet RAT 5.3.1\config.ini

Filesize
522B

MD5
0a5baccb60ddf613c9ef2b18e0b1863f

SHA1
39bb75213fab1a7b9ab51089ef54f43086d8b1f3

SHA256
21a222e00ea35f663dc6c397c0a0aa6d80e52187644b170cee9e186892a22f4e

SHA512
b24b4e15fc975f81e5e5216cc098f8a34faeb5f7b3f10fe8f9f4a19157abe62f293b4687440434744e5c5284736a9a472fc5d04f5fda72e94fe5e7140b36de9b

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

Filesize
12KB

MD5
13804f8dc4e72ba103d5e34de895c9db

SHA1
03d7a0500ccb2fef3222ed1eb55f2cbedbb8b8c5

SHA256
da659d8c05cfcb5f0abe167191665359123643000d12140836c28d204294ceb6

SHA512
9abb98795a1b1c142c50c7c110966b4249972de5b1f40445b27d70c3127140b0ddaaada1d92297e96ffd71177b12cd87749953ffdcf6e5da7803b9f9527d7652

Download Submit
memory/1928-57-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2028-41-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/2028-0-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2028-40-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2028-42-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2028-48-0x0000000006300000-0x000000000630D000-memory.dmp

Filesize
52KB

Download
memory/2028-39-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2028-54-0x0000000006300000-0x000000000630D000-memory.dmp

Filesize
52KB

Download
memory/2028-56-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2028-1-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/2028-58-0x0000000006300000-0x000000000630D000-memory.dmp

Filesize
52KB

Download
memory/2028-60-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2028-61-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download
memory/2028-62-0x0000000000400000-0x0000000000F67000-memory.dmp

Filesize
11.4MB

Download