General

  • Target
    Setup.exe
  • Size 14.9MB
  • Sample260825-yr5dravwhs
  • SHA256 86f27425624e99fca1a6735b4ed5e192f575794e57f16c47a1e068bb1e608d6a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remus_stealer

C2
  • http://goldeth .click :6572/users

  • http://kupzovo.shop:7567/users

  • http://vexdico.shop:8539/messages

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

  • 45.91.200.135

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://wappingerbicornshaps.com/s4r7aa2f7f74b7ac2ab0af7589004c3a8ef07971edb98

Targets

    • Target
      Setup.exe
    • Size 14.9MB
    • SHA256 86f27425624e99fca1a6735b4ed5e192f575794e57f16c47a1e068bb1e608d6a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: GCleaner

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

    • Family: Remus

      Remus is a stealer written in C++.

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks