General

  • Target

    c173cfcb0adfa3013a398638789bf4350601cce0e1c55a456d98311543062f82.exe

  • Size

    445KB

  • Sample

    240409-clbzcsbc74

  • MD5

    51e5979460e5a9dc941c03bc76cc3855

  • SHA1

    87e5501bbc72be1d0b763acec9bf08c9db26a8d1

  • SHA256

    c173cfcb0adfa3013a398638789bf4350601cce0e1c55a456d98311543062f82

  • SHA512

    a690fe8eb9fe96aa0470ba14a0468ff9fe8a9573ae37617240f04d0ef0f77910cf09776cd8814638e6fe741e126d0b1b20c667b676ea3d3721affa57d281ba1e

  • SSDEEP

    12288:f9zyluCg7RvcQ7tZRsuPE16N0N9k9ptHMF:PCg7RvcKKnitHMF

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      c173cfcb0adfa3013a398638789bf4350601cce0e1c55a456d98311543062f82.exe

    • Size

      445KB

    • MD5

      51e5979460e5a9dc941c03bc76cc3855

    • SHA1

      87e5501bbc72be1d0b763acec9bf08c9db26a8d1

    • SHA256

      c173cfcb0adfa3013a398638789bf4350601cce0e1c55a456d98311543062f82

    • SHA512

      a690fe8eb9fe96aa0470ba14a0468ff9fe8a9573ae37617240f04d0ef0f77910cf09776cd8814638e6fe741e126d0b1b20c667b676ea3d3721affa57d281ba1e

    • SSDEEP

      12288:f9zyluCg7RvcQ7tZRsuPE16N0N9k9ptHMF:PCg7RvcKKnitHMF

    • Detect ZGRat V1

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects encrypted or obfuscated .NET executables

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks