Resubmissions

18/08/2026, 10:20

260818-mdfyfszgrc10

26/07/2026, 00:27

260726-ar61kshq7z10

General

  • Target
    2026-07-25_ee859206f59319637aa601fa41098b7a_cobalt-strike_icedid_satacom_vidar
  • Size 20.1MB
  • Sample260726-ar61kshq7z
  • SHA256 64476622e882ab6953411889eac2eb280cd257cbb539285bc6c1a1d332f6b566
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remus_stealer

C2
  • http://zelpx.garden:9895

  • http://fimmora.surf:6504

  • http://tzpx.courses:4437

Extracted

Family
  • stealc

Botnet
  • RUN

C2
  • http://196.251.107.163

rc4.plain

Targets

    • Target
      2026-07-25_ee859206f59319637aa601fa41098b7a_cobalt-strike_icedid_satacom_vidar
    • Size 20.1MB
    • SHA256 64476622e882ab6953411889eac2eb280cd257cbb539285bc6c1a1d332f6b566
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • A stealer written in Python and packaged with Pyinstaller

    • Detects Stealc stealer Version 2

    • Family: Remus

      Remus is a stealer written in C++.

    • Family: Stealc

      Stealc is an infostealer written in C++.

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    • Detects Reflective DLL injection artifacts

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defen

    • Downloads MZ/PE file

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks