General

  • Target

    Bootstrapper Test.exe

  • Size

    50KB

  • Sample

    250216-f6atksvldk

  • MD5

    83a547dd8ce000e555f3eb83cca0bded

  • SHA1

    bf1835cf9f701125846e3397ab7f10fd120cd13f

  • SHA256

    a945f099affe68abe0ba9fd522a0df2787262b97ea5cb5868f9752a00b1c1186

  • SHA512

    d01f505b168a1669931c828b0a86d75401c3c1ef8667a7cba612cb61662592802e8130ac335914e9f02cabd2c63608259cca8fac3cf267ef2404792aeb020bfe

  • SSDEEP

    768:CdhO/poiiUcjlJInLdH9Xqk5nWEZ5SbTDaCWI7CPW5Sspa:kw+jjgnJH9XqcnW85SbTbWIqspa

Malware Config

Extracted

Family

xenorat

C2

108.77.173.66

Mutex

Xeno_rat_nd8912d

Attributes
  • install_path

    appdata

  • port

    4785

  • startup_name

    Solara Bootstrapper Dependinces

Targets

    • Target

      Bootstrapper Test.exe

    • Size

      50KB

    • MD5

      83a547dd8ce000e555f3eb83cca0bded

    • SHA1

      bf1835cf9f701125846e3397ab7f10fd120cd13f

    • SHA256

      a945f099affe68abe0ba9fd522a0df2787262b97ea5cb5868f9752a00b1c1186

    • SHA512

      d01f505b168a1669931c828b0a86d75401c3c1ef8667a7cba612cb61662592802e8130ac335914e9f02cabd2c63608259cca8fac3cf267ef2404792aeb020bfe

    • SSDEEP

      768:CdhO/poiiUcjlJInLdH9Xqk5nWEZ5SbTDaCWI7CPW5Sspa:kw+jjgnJH9XqcnW85SbTbWIqspa

    • Detect XenoRat Payload

    • XenorRat

      XenorRat is a remote access trojan written in C#.

    • Xenorat family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks