Overview

overview

10

Static

static

3

Xeno.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Xeno.exe

  • Size

    140KB

  • Sample

    250403-rvbghsxxes

  • MD5

    70797e0760472325728ba786ca208976

  • SHA1

    8912f23afbe8b78a9582f2a458b89a7fd697e638

  • SHA256

    20744d38bc27d656a095e57bef62a44f5f6317de3672020e8a4a1e1057545764

  • SHA512

    787f172cbc18eeb4f8e88420377459f37918edc9aec0105566f9e79555a962d6e89d7d0d6b791475282b2c5fb093c9e85544794639ad2771d9ca4a0e5b456477

  • SSDEEP

    3072:h+f4nYTC3LwjBzaQhlG4a7qWdCXdXxuZjwxfBoy:h+f4nKvaQhcF7qI+xuZjwxB

Score
10/10
crimsonratdarkcometmodiloaderremcosguest1111hostcredential_accessdefense_evasiondiscoverypersistenceprivilege_escalationratstealertrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1111

C2

193.242.166.48:1605

Mutex

DC_MUTEX-2QRLPN3

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    Rb5l52XcV9no

  • install

    true

  • offline_keylogger

    false

  • password

    313131

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Extracted

Family

crimsonrat

C2

185.136.161.124

Extracted

Family

modiloader

C2

https://drive.google.com/u/0/uc?id=1TcSctGVBajYMA7CFDc158wpvqkpxmkhJ&export=download

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

nickman12-46565.portmap.io:46565

nickman12-46565.portmap.io:1735
Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Userdata.exe

  • copy_folder

    Userdata

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    remcos_vcexssuhap

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Xeno.exe

    • Size

      140KB

    • MD5

      70797e0760472325728ba786ca208976

    • SHA1

      8912f23afbe8b78a9582f2a458b89a7fd697e638

    • SHA256

      20744d38bc27d656a095e57bef62a44f5f6317de3672020e8a4a1e1057545764

    • SHA512

      787f172cbc18eeb4f8e88420377459f37918edc9aec0105566f9e79555a962d6e89d7d0d6b791475282b2c5fb093c9e85544794639ad2771d9ca4a0e5b456477

    • SSDEEP

      3072:h+f4nYTC3LwjBzaQhlG4a7qWdCXdXxuZjwxfBoy:h+f4nKvaQhcF7qI+xuZjwxB

    Score
    10/10
    crimsonratdarkcometmodiloaderremcosguest1111hostcredential_accessdefense_evasiondiscoverypersistenceprivilege_escalationratstealertrojan

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

      ratcrimsonrat

    • Crimsonrat family

      crimsonrat

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

      trojanmodiloader

    • Modifies WinLogon for persistence

      persistence

    • Modiloader family

      modiloader

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • UAC bypass

      defense_evasiontrojan

    • Modifies Windows Firewall

      defense_evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Drops startup file

    • Executes dropped EXE

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks