General

  • Target

    EXM_Premium_Tweaking_Utility_1.0_Cracked.bat

  • Size

    672KB

  • Sample

    241229-ng7q1szqbn

  • MD5

    62effd806c73fab27bdae3a51dd955d8

  • SHA1

    8ce251bd3d0a31fca442884a3fe0ebe940d08ca0

  • SHA256

    63577b4677fe321246f2b6991639c920b55d4991b8fcf5986787ea1cd55e3250

  • SHA512

    19e954a8bdae76848188b2b12675bce8d56df30e6ffaa9e7b07b888631419e23c2f40e176ed8ea7f7b6b0a7ae7521ca06ed6dc4cb53663bf9b7fdc888dc7aaaa

  • SSDEEP

    3072:FWGzQbmbkAqA2xH7VkKEn14IZVvisLur+K3:FWGiVNEn14IZVvisL43

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/ZnhxAV6a

  • telegram

    https://api.telegram.org/bot7538644364:AAHEMV7mmxz6PSRgzo0ORf3_n0BaazmrAqk/sendMessage?chat_id=7541917888

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7538644364:AAHEMV7mmxz6PSRgzo0ORf3_n0BaazmrAqk/sendMessage?chat_id=7541917888

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      EXM_Premium_Tweaking_Utility_1.0_Cracked.bat

    • Size

      672KB

    • MD5

      62effd806c73fab27bdae3a51dd955d8

    • SHA1

      8ce251bd3d0a31fca442884a3fe0ebe940d08ca0

    • SHA256

      63577b4677fe321246f2b6991639c920b55d4991b8fcf5986787ea1cd55e3250

    • SHA512

      19e954a8bdae76848188b2b12675bce8d56df30e6ffaa9e7b07b888631419e23c2f40e176ed8ea7f7b6b0a7ae7521ca06ed6dc4cb53663bf9b7fdc888dc7aaaa

    • SSDEEP

      3072:FWGzQbmbkAqA2xH7VkKEn14IZVvisLur+K3:FWGiVNEn14IZVvisL43

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • UAC bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks