General

  • Target
    Setup.exe
  • Size 656KB
  • Sample260713-b252psaz7m
  • SHA256 eede323c8bd0370140dd9be6fbb92c82cef64210171325352f3e96e7026d3bfe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

  • 45.91.200.135

Extracted

Family
  • remus_stealer

C2
  • http://tzpx.courses:4437

  • http://geminyw.xyz:5003

  • http://carogra.biz:4219

Targets

    • Target
      Setup.exe
    • Size 656KB
    • SHA256 eede323c8bd0370140dd9be6fbb92c82cef64210171325352f3e96e7026d3bfe
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Socks5Systemz Payload

    • Family: GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Family: Remus

      Remus is a stealer written in C++.

    • Family: Socks5Systemz

      Socks5Systemz is a botnet 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 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks