General

  • Target

    XWorm v5.1-5.2.7z

  • Size

    54.5MB

  • Sample

    240427-w3elcsee5s

  • MD5

    76219b3556e25086fc52f8e2b93fbd0c

  • SHA1

    066a0f875820e51a60c3552a06b7b97f8bab6bbc

  • SHA256

    fe6371034d55bb7583081b03f4aec7274f8340cfea4740325cb52e1c6ac77f6d

  • SHA512

    ccc974b8e446409c7940ef8314b2a912a2f8c0272721148d4dca5b739702106e69c9c7d106137a576b7a7a846d4f9ac770685a07d7a588ba34d0167acb07f104

  • SSDEEP

    786432:8IagoCEXKlCpMqIEJkseGG+5ELbzcFdcyt5/ks3FkAPYxpL+q7RRHEm+0NyvZZGl:8JgXCzIsGrPzcFrt1F3Yxxrr+4yvZE

Malware Config

Targets

    • Target

      XWorm v5.1-5.2.7z

    • Size

      54.5MB

    • MD5

      76219b3556e25086fc52f8e2b93fbd0c

    • SHA1

      066a0f875820e51a60c3552a06b7b97f8bab6bbc

    • SHA256

      fe6371034d55bb7583081b03f4aec7274f8340cfea4740325cb52e1c6ac77f6d

    • SHA512

      ccc974b8e446409c7940ef8314b2a912a2f8c0272721148d4dca5b739702106e69c9c7d106137a576b7a7a846d4f9ac770685a07d7a588ba34d0167acb07f104

    • SSDEEP

      786432:8IagoCEXKlCpMqIEJkseGG+5ELbzcFdcyt5/ks3FkAPYxpL+q7RRHEm+0NyvZZGl:8JgXCzIsGrPzcFrt1F3Yxxrr+4yvZE

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • AgentTesla payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Uses the VBS compiler for execution

MITRE ATT&CK Enterprise v15

Tasks