General

  • Target

    PI 74995.vbs

  • Size

    3.9MB

  • Sample

    230628-ry56asah9w

  • MD5

    563105db91d8994ab88f7d73a64ad368

  • SHA1

    bc9342d184d8e994bc971555c359435750a6fafa

  • SHA256

    611240aac244644d45c51422581837adea4624f130a238a4742646e83aa70c03

  • SHA512

    253a3154b4f02b8bce65cf2ccc147acaff8248220c2d92a5b18cca8db1017c9073bb897fe7df68c37821619dede586b5eab925f9b8e95301757d59023a7d06fb

  • SSDEEP

    6144:wocsGPLYBciclsEveCx0ewEvagIXOJl8zjmQagZTR4RQlLCKqshj4Bz78i7Dlxr2:BcsGP8BciclBeq0envagfo

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/bot6142019687:AAHXbe1V0I4OT74QSJjNShy57ZXyMoQttZ0/sendMessage?chat_id=2020226811

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      PI 74995.vbs

    • Size

      3.9MB

    • MD5

      563105db91d8994ab88f7d73a64ad368

    • SHA1

      bc9342d184d8e994bc971555c359435750a6fafa

    • SHA256

      611240aac244644d45c51422581837adea4624f130a238a4742646e83aa70c03

    • SHA512

      253a3154b4f02b8bce65cf2ccc147acaff8248220c2d92a5b18cca8db1017c9073bb897fe7df68c37821619dede586b5eab925f9b8e95301757d59023a7d06fb

    • SSDEEP

      6144:wocsGPLYBciclsEveCx0ewEvagIXOJl8zjmQagZTR4RQlLCKqshj4Bz78i7Dlxr2:BcsGP8BciclBeq0envagfo

    • 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

    • Blocklisted process makes network request

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks