General

  • Target

    Estadodecuenta.xls

  • Size

    192KB

  • Sample

    241208-j3hxkaxrft

  • MD5

    4b5efde48442f60d1563164c1e728061

  • SHA1

    f371b6ea0311f9175c78102e3a087ab5fc7fe687

  • SHA256

    8464e28250faf8cc3d316329b9b39cbc029659d93db9da3086ce9fc5e37bbcd1

  • SHA512

    cc18300b59ad15c59fd3dd96a88df4cb4526da5b7bb92dffd0c4fe6c616268d0de0197a59b2b403ae6f35d7e027137d7db6baa713e74c3401abd58b1d101cbd8

  • SSDEEP

    3072:PrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAq3OLFyhxTchWwaZYwP+1oVET5K8lsq/:zxEtjPOtioVjDGUU1qfDlavx+W2QnAqE

Malware Config

Extracted

Family

xenorat

C2

dns.stipamana.com

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    12000

  • install_path

    appdata

  • port

    4567

  • startup_name

    mrec

Targets

    • Target

      Estadodecuenta.xls

    • Size

      192KB

    • MD5

      4b5efde48442f60d1563164c1e728061

    • SHA1

      f371b6ea0311f9175c78102e3a087ab5fc7fe687

    • SHA256

      8464e28250faf8cc3d316329b9b39cbc029659d93db9da3086ce9fc5e37bbcd1

    • SHA512

      cc18300b59ad15c59fd3dd96a88df4cb4526da5b7bb92dffd0c4fe6c616268d0de0197a59b2b403ae6f35d7e027137d7db6baa713e74c3401abd58b1d101cbd8

    • SSDEEP

      3072:PrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAq3OLFyhxTchWwaZYwP+1oVET5K8lsq/:zxEtjPOtioVjDGUU1qfDlavx+W2QnAqE

    • Detect XenoRat Payload

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • XenorRat

      XenorRat is a remote access trojan written in C#.

    • Xenorat family

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Office macro that triggers on suspicious action

      Office document macro which triggers in special circumstances - often malicious.

    • Suspicious Office macro

      Office document equipped with macros.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks