General

  • Target

    Shellbag anylizer.exe

  • Size

    237KB

  • Sample

    240807-nkngjs1emb

  • MD5

    d450127ec998b5e2b630e160d2f7fd37

  • SHA1

    601cb671b90b78470801910d06aa8a1eceb61100

  • SHA256

    02cb8f411c6ae91fb1f59202d25096bd4e523569cb0d9332f97253ea9518dce0

  • SHA512

    fc9fe9b0e04469d48ca27718bf167c96fa659cd059126f0a34a7fba7200cf6f75a38ad0bc6c364c517c9cf02a511c0c47c3e3de02fae9f92def10100b1fb388f

  • SSDEEP

    6144:cJLb1wF9kfK8rpClz0KBb6o589GHWHWujiSPbQ:cJ/gBuj/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

      d450127ec998b5e2b630e160d2f7fd37

    • SHA1

      601cb671b90b78470801910d06aa8a1eceb61100

    • SHA256

      02cb8f411c6ae91fb1f59202d25096bd4e523569cb0d9332f97253ea9518dce0

    • SHA512

      fc9fe9b0e04469d48ca27718bf167c96fa659cd059126f0a34a7fba7200cf6f75a38ad0bc6c364c517c9cf02a511c0c47c3e3de02fae9f92def10100b1fb388f

    • SSDEEP

      6144:cJLb1wF9kfK8rpClz0KBb6o589GHWHWujiSPbQ:cJ/gBuj/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