General

  • Target
    file.exe
  • Size 1024KB
  • Sample260725-vncmsascra
  • SHA256 2880c19f853059bae15a838d1320f728d3f681ff8bdfe22d455bc0335d317c7f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remus_stealer

C2
  • http://zelpx.garden:9895

  • http://fimmora.surf:6504

  • http://tzpx.courses:4437

Targets

    • Target
      file.exe
    • Size 1024KB
    • SHA256 2880c19f853059bae15a838d1320f728d3f681ff8bdfe22d455bc0335d317c7f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: Remus

      Remus is a stealer written in C++.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

MITRE ATT&CK Enterprise v16

Tasks