General

  • Target

    2191082c9e999a14dd03b32db48f6340N.exe

  • Size

    1011KB

  • Sample

    240823-z91nysxele

  • MD5

    2191082c9e999a14dd03b32db48f6340

  • SHA1

    3bb2526708136e914f75c75277fa396aaf1318f6

  • SHA256

    6f6822221526a14ed2cee6b5be7de5cddd38ac435072838a11e64e03697dde59

  • SHA512

    a7d6ca30f63ade895789d66cf8cd0d359b769f1b58eaccd76fd231901a59b246b74cd307d5fea52528c71adbb4e224169cdc34183aaa90ee6199a6f4f10c8d5d

  • SSDEEP

    12288:hmw8d0ABzaZuOkdq5yxcf/SOfMAsJlXOsdFCHRdF:hm50UzaZuOk8/f/GAKYs3CHRd

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7437538284:AAFsH8yrE4iy9ggvYtatDYQTrKiGuQd8xpI/sendMessage?chat_id=5795480469

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      2191082c9e999a14dd03b32db48f6340N.exe

    • Size

      1011KB

    • MD5

      2191082c9e999a14dd03b32db48f6340

    • SHA1

      3bb2526708136e914f75c75277fa396aaf1318f6

    • SHA256

      6f6822221526a14ed2cee6b5be7de5cddd38ac435072838a11e64e03697dde59

    • SHA512

      a7d6ca30f63ade895789d66cf8cd0d359b769f1b58eaccd76fd231901a59b246b74cd307d5fea52528c71adbb4e224169cdc34183aaa90ee6199a6f4f10c8d5d

    • SSDEEP

      12288:hmw8d0ABzaZuOkdq5yxcf/SOfMAsJlXOsdFCHRdF:hm50UzaZuOk8/f/GAKYs3CHRd

    • AsyncRat

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

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • 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