General

  • Target

    Shellbag anylizer.exe

  • Size

    237KB

  • Sample

    240806-3v8b2avblk

  • MD5

    52eb3517bc8917d50d5426bece8fe91c

  • SHA1

    155edb28b839902d53051e3d3e442896a6ca54e0

  • SHA256

    7caa89af07680e877b3bdef6b354687b3540dffe556ad9e8797f111aff3b784a

  • SHA512

    de247dbb553d7bd910c01abf8a26c675d2fac68bdd64b7d6539d91940f35aef9ed913a150d9b7153f44ad3c23056461b8d92b50ccf841f93a09e0f57f3e75096

  • SSDEEP

    6144:PJLbLwF9kfK8rpClz0KBb6o589GHWHWujiSPbQ:PJdgBuj/Ps

Malware Config

Extracted

Family

asyncrat

Botnet

Default

Attributes
  • delay

    1

  • install

    true

  • install_file

    update.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/m5mgzzdQ

aes.plain

Targets

    • Target

      Shellbag anylizer.exe

    • Size

      237KB

    • MD5

      52eb3517bc8917d50d5426bece8fe91c

    • SHA1

      155edb28b839902d53051e3d3e442896a6ca54e0

    • SHA256

      7caa89af07680e877b3bdef6b354687b3540dffe556ad9e8797f111aff3b784a

    • SHA512

      de247dbb553d7bd910c01abf8a26c675d2fac68bdd64b7d6539d91940f35aef9ed913a150d9b7153f44ad3c23056461b8d92b50ccf841f93a09e0f57f3e75096

    • SSDEEP

      6144:PJLbLwF9kfK8rpClz0KBb6o589GHWHWujiSPbQ:PJdgBuj/Ps

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks