General

  • Target
    Setup.exe
  • Size 5.0MB
  • Sample260723-jk2a7aab72
  • SHA256 499f27061cc38ec593b8104599919c92bb729a55640e6057778a18b05eb7191c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remus_stealer

C2
  • http://zelpx.garden:9895

  • http://tzpx.courses:4437

  • http://carogra.biz:4219

Targets

    • Target
      Setup.exe
    • Size 5.0MB
    • SHA256 499f27061cc38ec593b8104599919c92bb729a55640e6057778a18b05eb7191c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Socks5Systemz Payload

    • Detects AnimateClipper

    • Detects Stealc stealer Version 2

    • Family: AnimateClipper

      AnimateClipper is a Windows crypto clipper that hijacks the clipboard to swap wallet addresses.

    • Family: Remus

      Remus is a stealer written in C++.

    • Family: Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Family: Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks