General

  • Target

    ac8be183acf3079cd5475f8c170a98ae.exe

  • Size

    2.9MB

  • Sample

    220408-ktwbzabaf2

  • MD5

    ac8be183acf3079cd5475f8c170a98ae

  • SHA1

    4eab4aba5e2888496a267f2e755c5fbd29a5c25d

  • SHA256

    c7ad74775251731d6ffc24878658341b5a3b3398a5480ab113f80af42eda32c3

  • SHA512

    d3c80ff0ee04ecf898a0951433bf4e1dba25a214f4b1d902bc8e0a79a1b08bacc6813cd30c40a7a3f6cd10312b49850475f61f2f33886ad2797f25c37cfa54f3

Malware Config

Extracted

Family

orcus

Botnet

old

C2

tools.3utilities.com:17650

Mutex

3e72d23ec7f64b6aab470ad129f9a745

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    false

  • install_path

    %programfiles%\vcredist\vcredistapp.exe

  • reconnect_delay

    10000

  • registry_keyname

    vcredistappreg

  • taskscheduler_taskname

    vcredistappsch

  • watchdog_path

    Temp\vcredistapp.exe

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/959366883545579581/Z1Be8qUrtXUbCZydkDEnV1VMcMYEDqpAE1fFmNhN26L5vd4nrcJOGi-iQnD-msZc-BJX

Targets

    • Target

      ac8be183acf3079cd5475f8c170a98ae.exe

    • Size

      2.9MB

    • MD5

      ac8be183acf3079cd5475f8c170a98ae

    • SHA1

      4eab4aba5e2888496a267f2e755c5fbd29a5c25d

    • SHA256

      c7ad74775251731d6ffc24878658341b5a3b3398a5480ab113f80af42eda32c3

    • SHA512

      d3c80ff0ee04ecf898a0951433bf4e1dba25a214f4b1d902bc8e0a79a1b08bacc6813cd30c40a7a3f6cd10312b49850475f61f2f33886ad2797f25c37cfa54f3

    • 44Caliber

      An open source infostealer written in C#.

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcurs Rat Executable

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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 v6

Tasks