General

  • Target

    ExodusLoader.exe

  • Size

    89KB

  • Sample

    250307-b3cfsa1ygt

  • MD5

    2f3405fa61bec944ed9d869adb6a37e3

  • SHA1

    4a3c839b899809ba89a99eaadecf4da6d71e8256

  • SHA256

    ee854407da3d172d442c9aec8861d9e8fd4f7a5f8c4cbb785d7e55549a507234

  • SHA512

    72c8309a2c439adb3790aaf7198d5cdfa5591703a039ca84982752dfc43213a94885aab5a82fc0cfd78e161a792d2c1684e0cae7e4e7d772cc98be4aabdc33c0

  • SSDEEP

    1536:77fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfAwWOn:X7DhdC6kzWypvaQ0FxyNTBfAg

Malware Config

Extracted

Family

xworm

Version

5.0

C2

137.184.74.73:5000

Mutex

Y2rnj2CSRObOXXLb

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    System.exe

aes.plain

Targets

    • Target

      ExodusLoader.exe

    • Size

      89KB

    • MD5

      2f3405fa61bec944ed9d869adb6a37e3

    • SHA1

      4a3c839b899809ba89a99eaadecf4da6d71e8256

    • SHA256

      ee854407da3d172d442c9aec8861d9e8fd4f7a5f8c4cbb785d7e55549a507234

    • SHA512

      72c8309a2c439adb3790aaf7198d5cdfa5591703a039ca84982752dfc43213a94885aab5a82fc0cfd78e161a792d2c1684e0cae7e4e7d772cc98be4aabdc33c0

    • SSDEEP

      1536:77fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfAwWOn:X7DhdC6kzWypvaQ0FxyNTBfAg

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks