darkcomet | d886774a1dd4b6531000f76d9a46a79b396c986d5fe189ff318230ef72a0c3fc

Analysis

max time kernel
149s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2024, 19:42

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General

Target

Celery1.exe
Size

658KB
MD5

c9f1efb9592fbaf015bb752e028a34c2
SHA1

6fd76b5153e51607f58a9cf93ac6aff6468fc0ce
SHA256

d886774a1dd4b6531000f76d9a46a79b396c986d5fe189ff318230ef72a0c3fc
SHA512

0bb00b311666877cd30df3833a2cadcecb7505f7c88dffce7cfea906f8513d3870e98d861ad8870c37346f06aa7f74d6c6945c413fe4bbc3375a8399f3b2b041
SSDEEP

12288:a9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hh:WZ1xuVVjfFoynPaVBUR8f+kN10EBH

Score

10^/10

darkcomet sazan discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

iznnawt.localto.net:7786

Mutex

DC_MUTEX-HNEM7EN

Attributes

gencode
EjyhvgEc3y6V
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Disables Task Manager via registry modification
evasion

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3124	attrib.exe
4736	attrib.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Celery1.exe

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 6 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Celery1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3832	Celery1.exe
Token: SeSecurityPrivilege	3832	Celery1.exe
Token: SeTakeOwnershipPrivilege	3832	Celery1.exe
Token: SeLoadDriverPrivilege	3832	Celery1.exe
Token: SeSystemProfilePrivilege	3832	Celery1.exe
Token: SeSystemtimePrivilege	3832	Celery1.exe
Token: SeProfSingleProcessPrivilege	3832	Celery1.exe
Token: SeIncBasePriorityPrivilege	3832	Celery1.exe
Token: SeCreatePagefilePrivilege	3832	Celery1.exe
Token: SeBackupPrivilege	3832	Celery1.exe
Token: SeRestorePrivilege	3832	Celery1.exe
Token: SeShutdownPrivilege	3832	Celery1.exe
Token: SeDebugPrivilege	3832	Celery1.exe
Token: SeSystemEnvironmentPrivilege	3832	Celery1.exe
Token: SeChangeNotifyPrivilege	3832	Celery1.exe
Token: SeRemoteShutdownPrivilege	3832	Celery1.exe
Token: SeUndockPrivilege	3832	Celery1.exe
Token: SeManageVolumePrivilege	3832	Celery1.exe
Token: SeImpersonatePrivilege	3832	Celery1.exe
Token: SeCreateGlobalPrivilege	3832	Celery1.exe
Token: 33	3832	Celery1.exe
Token: 34	3832	Celery1.exe
Token: 35	3832	Celery1.exe
Token: 36	3832	Celery1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3832	Celery1.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2588	3832	Celery1.exe	84
PID 3832 wrote to memory of 2588	3832	Celery1.exe	84
PID 3832 wrote to memory of 2588	3832	Celery1.exe	84
PID 3832 wrote to memory of 3004	3832	Celery1.exe	86
PID 3832 wrote to memory of 3004	3832	Celery1.exe	86
PID 3832 wrote to memory of 3004	3832	Celery1.exe	86
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 3832 wrote to memory of 2536	3832	Celery1.exe	87
PID 2588 wrote to memory of 4736	2588	cmd.exe	89
PID 2588 wrote to memory of 4736	2588	cmd.exe	89
PID 2588 wrote to memory of 4736	2588	cmd.exe	89
PID 3004 wrote to memory of 3124	3004	cmd.exe	90
PID 3004 wrote to memory of 3124	3004	cmd.exe	90
PID 3004 wrote to memory of 3124	3004	cmd.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3124	attrib.exe
4736	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Celery1.exe
"C:\Users\Admin\AppData\Local\Temp\Celery1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Celery1.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Celery1.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3124
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

memory/2536-1-0x0000000001130000-0x0000000001131000-memory.dmp

Filesize
4KB

Download
memory/3832-0-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/3832-2-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/3832-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads