darkcomet | e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799

General

Target

e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe
Size

1.2MB
MD5

8c50ed6f779f15cee678f46f767f00b7
SHA1

61ff380eb2544eaea307df43f7f4cdc3fcb93a63
SHA256

e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799
SHA512

16a0548092ebf96a29ca508ed037f32bfe7af0a23457607d5bf697d549d3f2203ab5890cd990ebb950d7b0bc254782665d8e5bb63bce0c7a5fca9fd774b00c7c
SSDEEP

24576:V+lr0S6fNVMPMgvu17YcTHVMqFCoUGksCoUGk:QRqFCobbCob

Score

10^/10

darkcomet rat trojan

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3440	svhostnr.exe

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinUpdate.exe	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3500 set thread context of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1640	PING.EXE

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3440	svhostnr.exe
Token: SeSecurityPrivilege	3440	svhostnr.exe
Token: SeTakeOwnershipPrivilege	3440	svhostnr.exe
Token: SeLoadDriverPrivilege	3440	svhostnr.exe
Token: SeSystemProfilePrivilege	3440	svhostnr.exe
Token: SeSystemtimePrivilege	3440	svhostnr.exe
Token: SeProfSingleProcessPrivilege	3440	svhostnr.exe
Token: SeIncBasePriorityPrivilege	3440	svhostnr.exe
Token: SeCreatePagefilePrivilege	3440	svhostnr.exe
Token: SeBackupPrivilege	3440	svhostnr.exe
Token: SeRestorePrivilege	3440	svhostnr.exe
Token: SeShutdownPrivilege	3440	svhostnr.exe
Token: SeDebugPrivilege	3440	svhostnr.exe
Token: SeSystemEnvironmentPrivilege	3440	svhostnr.exe
Token: SeChangeNotifyPrivilege	3440	svhostnr.exe
Token: SeRemoteShutdownPrivilege	3440	svhostnr.exe
Token: SeUndockPrivilege	3440	svhostnr.exe
Token: SeManageVolumePrivilege	3440	svhostnr.exe
Token: SeImpersonatePrivilege	3440	svhostnr.exe
Token: SeCreateGlobalPrivilege	3440	svhostnr.exe
Token: 33	3440	svhostnr.exe
Token: 34	3440	svhostnr.exe
Token: 35	3440	svhostnr.exe
Token: 36	3440	svhostnr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3440	svhostnr.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3440	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	83
PID 3500 wrote to memory of 3388	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	85
PID 3500 wrote to memory of 3388	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	85
PID 3500 wrote to memory of 3388	3500	e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe	85
PID 3388 wrote to memory of 1640	3388	cmd.exe	87
PID 3388 wrote to memory of 1640	3388	cmd.exe	87
PID 3388 wrote to memory of 1640	3388	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe
"C:\Users\Admin\AppData\Local\Temp\e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\plugtemp\svhostnr.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtemp\svhostnr.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\e4adb5aefd0587c877ce970609950566b0b47278fc7302a60bf0eeba50c23799.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Windows\SysWOW64\PING.EXE
    ping 1.1.1.1 -n 1 -w 3000
    3⤵
    - Runs ping.exe
    PID:1640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\plugtemp\svhostnr.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3440-135-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3440-138-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3440-139-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3440-141-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3440-142-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3440-143-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3500-132-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3500-133-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3500-146-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing