darkcomet | 01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1

Analysis

max time kernel
119s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/12/2024, 01:44

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General

Target
01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe
Size 718KB
Sample241217-b54caawpcz
SHA256 01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1
MD5 be3a4de04dc9453290070a13f70f9201
SHA1 254788b5e992cc36bf75311a4c712a06fc14dd29
SHA512 469f169a25ec9f255dce57d864d2b830f366a90f2c48666adc163870a21378dba6989ae466e5fb9ad40dac122f12ab9cdc2a9b932d98b5a133b7b15ab90f25e1
SSDEEP 12288:QL88mbu2rpKomPPijFbJ34tEZCgWSZkK5VdKbggPdOXwx6vwGpy30Yw6W:b8p2goysF4taCgVRdiNlOQF30V
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet fo discovery evasion rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

127.0.0.1:1010
46.39.230.61:1010

Mutex

DC_MUTEX-PR2UBLF

Attributes

gencode
ovcHaFsW9bRT
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	ror.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ror.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ror.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ror.exe

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
2156	attrib.exe
4020	attrib.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ror.exe

Executes dropped EXE 1 IoCs

pid	Process
4876	ror.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ror.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ror.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b2d-4.dat	upx
behavioral2/memory/4876-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4876-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4876-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4876-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4876-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4876-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4876-29-0x0000000000400000-0x00000000004B7000-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 7 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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ror.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4876	ror.exe
Token: SeSecurityPrivilege	4876	ror.exe
Token: SeTakeOwnershipPrivilege	4876	ror.exe
Token: SeLoadDriverPrivilege	4876	ror.exe
Token: SeSystemProfilePrivilege	4876	ror.exe
Token: SeSystemtimePrivilege	4876	ror.exe
Token: SeProfSingleProcessPrivilege	4876	ror.exe
Token: SeIncBasePriorityPrivilege	4876	ror.exe
Token: SeCreatePagefilePrivilege	4876	ror.exe
Token: SeBackupPrivilege	4876	ror.exe
Token: SeRestorePrivilege	4876	ror.exe
Token: SeShutdownPrivilege	4876	ror.exe
Token: SeDebugPrivilege	4876	ror.exe
Token: SeSystemEnvironmentPrivilege	4876	ror.exe
Token: SeChangeNotifyPrivilege	4876	ror.exe
Token: SeRemoteShutdownPrivilege	4876	ror.exe
Token: SeUndockPrivilege	4876	ror.exe
Token: SeManageVolumePrivilege	4876	ror.exe
Token: SeImpersonatePrivilege	4876	ror.exe
Token: SeCreateGlobalPrivilege	4876	ror.exe
Token: 33	4876	ror.exe
Token: 34	4876	ror.exe
Token: 35	4876	ror.exe
Token: 36	4876	ror.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4876	ror.exe
548	OpenWith.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 4876	752	01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe	83
PID 752 wrote to memory of 4876	752	01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe	83
PID 752 wrote to memory of 4876	752	01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe	83
PID 4876 wrote to memory of 1256	4876	ror.exe	85
PID 4876 wrote to memory of 1256	4876	ror.exe	85
PID 4876 wrote to memory of 1256	4876	ror.exe	85
PID 4876 wrote to memory of 3528	4876	ror.exe	86
PID 4876 wrote to memory of 3528	4876	ror.exe	86
PID 4876 wrote to memory of 3528	4876	ror.exe	86
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 4876 wrote to memory of 4940	4876	ror.exe	87
PID 3528 wrote to memory of 2156	3528	cmd.exe	90
PID 3528 wrote to memory of 2156	3528	cmd.exe	90
PID 3528 wrote to memory of 2156	3528	cmd.exe	90
PID 1256 wrote to memory of 4020	1256	cmd.exe	91
PID 1256 wrote to memory of 4020	1256	cmd.exe	91
PID 1256 wrote to memory of 4020	1256	cmd.exe	91

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	ror.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	ror.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	ror.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2156	attrib.exe
4020	attrib.exe

C:\Users\Admin\AppData\Local\Temp\01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe
"C:\Users\Admin\AppData\Local\Temp\01ed6faee2a9f3aa9122de177ee91709de6c33e05b84ed312ecd9ce5ca1e08c1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:752
- C:\Users\Admin\AppData\Local\Temp\ror.exe
  "C:\Users\Admin\AppData\Local\Temp\ror.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks computer location settings
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4876
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ror.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\ror.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:4020
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3528
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2156
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4940

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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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ror.exe

Path C:\Users\Admin\AppData\Local\Temp\ror.exe
Size 251KB
SHA256 6f6113d00980391262126021c78100e29d9cd12ca97c18ca1172c12e7138ce80
MD5 169b88b99a74428b0dbc617fb209379e
SHA1 4743c42d5aea002dc04dbfe4e4eba2a2c4da6014
SHA512 44fdf103ee303b7497a633f595daf22704dc7af012796201bf9ac76561b41d10b6fc6007f5de5eeadf2a1c2db83310a5b73a7a466da3bb92ef4f675244f3666d
SSDEEP 6144:ZcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQb:ZcWkbgTYWnYnt/IDYhPq
MD5 SHA1 SHA512 SSDEEP

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memory/4876-14-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4876-16-0x0000000002410000-0x0000000002411000-memory.dmp

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memory/4876-18-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4876-20-0x0000000002410000-0x0000000002411000-memory.dmp

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memory/4876-22-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4876-24-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4876-26-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4876-27-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4876-29-0x0000000000400000-0x00000000004B7000-memory.dmp

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memory/4940-17-0x00000000012F0000-0x00000000012F1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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