General

  • Target

    Client.exe

  • Size

    42KB

  • Sample

    250119-v7zlnaykd1

  • MD5

    2353c36993321a0ff1eefd4280f1fe6f

  • SHA1

    752491fdc92b869b87b60ac5bb4d3ac89d23479c

  • SHA256

    3cd08436001ab5df97f2a5c62b425caa8f77c9451f071cf4b091f9e8ec10fea6

  • SHA512

    5f8d66238d9f4ca7a6dfe74704ad08f0e8a22919bdd1ce923f7181be77cbb0984e49d65d638ed343983999f600b4b010a789f7eeb1f0a243ae417c72e4490e37

  • SSDEEP

    768:nlfCvZ8nTocsooq2R0jU4UuljElGCIg9N3YRzyEryIw:nwmfCELUQElag96RtZw

Malware Config

Extracted

Family

xworm

C2

ohio-chris.gl.at.ply.gg:22258

Mutex

fpDBNBZE4TJiBhWW

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      Client.exe

    • Size

      42KB

    • MD5

      2353c36993321a0ff1eefd4280f1fe6f

    • SHA1

      752491fdc92b869b87b60ac5bb4d3ac89d23479c

    • SHA256

      3cd08436001ab5df97f2a5c62b425caa8f77c9451f071cf4b091f9e8ec10fea6

    • SHA512

      5f8d66238d9f4ca7a6dfe74704ad08f0e8a22919bdd1ce923f7181be77cbb0984e49d65d638ed343983999f600b4b010a789f7eeb1f0a243ae417c72e4490e37

    • SSDEEP

      768:nlfCvZ8nTocsooq2R0jU4UuljElGCIg9N3YRzyEryIw:nwmfCELUQElag96RtZw

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks