General

  • Target

    3e54245fb579c525a1ee9f8830a12194.bin

  • Size

    324KB

  • Sample

    240604-bz1n7shd95

  • MD5

    fc42138816a67fb6aa27d30535bbfe7c

  • SHA1

    e5ff07589f40461db03a44dc0ffcb15feb8f4b29

  • SHA256

    14e0664768af7e1f214f6c78d40b95033a8388fba267d512151a3a5cfd3de3ed

  • SHA512

    ce1ab3a712f2b9c68b4125188ecc1dae1b7a3debada82f65dd91b7c436ee1851225aff8039c00dacb0c711fab599e674de9cb2f75c77b101406c34b16f4b3a5f

  • SSDEEP

    6144:M6GKloLWflu8fBf+pgf61M8rucd74Ae+wjk0kZOezcG4CUy5OzhCyZSV:PkWnfdVeR4Z+wY1sezriyw1MV

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      3ab231d18be903a1364b8ed968ee9ac3fe1a82bb75235ec8e7088b76b87b518a.exe

    • Size

      416KB

    • MD5

      3e54245fb579c525a1ee9f8830a12194

    • SHA1

      ccc3d6422f19b824051841eb58698536a8f223d7

    • SHA256

      3ab231d18be903a1364b8ed968ee9ac3fe1a82bb75235ec8e7088b76b87b518a

    • SHA512

      f0d6db9fea61aafa8a9c0b3ba25110bbc3ca9ae32e7cc5416872a6683f2dee6a5909f4f206f9c934f0e42711f4a88f8a3513214de7de74fcb18e8266b4714558

    • SSDEEP

      12288:RdkUBLHCIUDuVVCTh3pbB1r7Dt5r88s0CTEO:RdNhCIFVCTh3pb7rF5Dkt

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks