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General

  • Target

    WinPlugins.exe

  • Size

    2.0MB

  • Sample

    250322-tmc2gswwfx

  • MD5

    8d4199db6a7081378a7bd8bd471d425f

  • SHA1

    75a28bb099763870639506c34526bc526d6415bb

  • SHA256

    52a189781402d404196a0bd74055e8322915aa4a00b37ac0f1ef06e2c7a91d74

  • SHA512

    89cc830760f2bc978104701c1c9393d4d1d4bcf73a426c0ef11c412c209cf801098652b7b1f3107db58a4d9ae4c98d2c3548d2cb459bf0c9c6d880fcbcf3c8a4

  • SSDEEP

    49152:OgqKIXzlCtQ2yUqSfB+tI1Vr8Z/Ja3DhI7EEH6rv///:OzYOpSS4VB3VI7EJ3/

Malware Config

Extracted

Family

asyncrat

Version

Venom Pwn3rzs' Edtition v6.0.1

Botnet

V-lg60

C2

37.48.64.102:4950

Mutex

yawyrgpacvfvsfgbz

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

remcos

Botnet

TL61

C2

dico.on-the-web.tv:3950

dr.is-gone.com:3950

dyndico.from-il.com:3950

nvdiemozess.broke-it.net:3950

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-OIJH57

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

xworm

Version

5.0

C2

imagine.here-for-more.info:3960

neverdiedico.mypets.ws:3960

nvdiemosole.broke-it.net:3960

37.48.64.102:3960

Mutex

Y1BJNoYWQwOTPHJp

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      WinPlugins.exe

    • Size

      2.0MB

    • MD5

      8d4199db6a7081378a7bd8bd471d425f

    • SHA1

      75a28bb099763870639506c34526bc526d6415bb

    • SHA256

      52a189781402d404196a0bd74055e8322915aa4a00b37ac0f1ef06e2c7a91d74

    • SHA512

      89cc830760f2bc978104701c1c9393d4d1d4bcf73a426c0ef11c412c209cf801098652b7b1f3107db58a4d9ae4c98d2c3548d2cb459bf0c9c6d880fcbcf3c8a4

    • SSDEEP

      49152:OgqKIXzlCtQ2yUqSfB+tI1Vr8Z/Ja3DhI7EEH6rv///:OzYOpSS4VB3VI7EJ3/

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Remcos

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

    • Remcos family

    • VenomRAT

      Detects VenomRAT.

    • Venomrat family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks