darkcomet | 267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78

General

Target

267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Size

658KB
MD5

0c1900161557183e9e34109a1e8f1e50
SHA1

1525a1274d4d2953ea1577ef3dc26f0e208c4748
SHA256

267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78
SHA512

df853cc0ea70b43c3c641302bb92855f57a159ba067a95f11ff88e5e33e72d19149b9a881e0e6f2d42722287dd0132cf0d84a37d08805e4e304581a9e0206b95
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hX:KZ1xuVVjfFoynPaVBUR8f+kN10EBN

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

aytugay123.duckdns.org:63

Mutex

DC_MUTEX-HAPDWK7

Attributes

InstallPath
Windows Updater
gencode
Ztwp6aCBwPiM
install
true
offline_keylogger
true
persistence
false
reg_key
CS:GO

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\Windows Updater"	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\CS:GO = "C:\\Windows\\system32\\Windows Updater"	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
File created	C:\Windows\SysWOW64\Windows Updater	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
File opened for modification	C:\Windows\SysWOW64\Windows Updater	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe

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	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeSecurityPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeTakeOwnershipPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeLoadDriverPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeSystemProfilePrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeSystemtimePrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeProfSingleProcessPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeIncBasePriorityPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeCreatePagefilePrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeBackupPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeRestorePrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeShutdownPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeDebugPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeSystemEnvironmentPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeChangeNotifyPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeRemoteShutdownPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeUndockPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeManageVolumePrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeImpersonatePrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: SeCreateGlobalPrivilege	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: 33	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: 34	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
Token: 35	2772	267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe

C:\Users\Admin\AppData\Local\Temp\267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe
"C:\Users\Admin\AppData\Local\Temp\267a8025581b5df1e5ec7c63b6d09794698cde8bbcc430786b68301713a36c78N.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2772-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2772-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads