General

  • Target

    e79b5c3bd34c9a760695a543fde2455d4c21187705cb0f6bceb11e64a9705673

  • Size

    2.1MB

  • Sample

    240625-eqm9aszcna

  • MD5

    f39dcdd9393660d9b67580aac9c7561f

  • SHA1

    d489da27d4e8d71210fc098a7e0071f364739e60

  • SHA256

    e79b5c3bd34c9a760695a543fde2455d4c21187705cb0f6bceb11e64a9705673

  • SHA512

    ca77b538f47a75e2616700cc6b51855ad8c0e2739fef2158b50fd6799d35a7c98a3271bbc883c6d67136b43782badb251a4f4f331acc112edcf91b8c653a44e6

  • SSDEEP

    24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sPUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHPUkxVVChjHZQHzqZ+rPlV

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      e79b5c3bd34c9a760695a543fde2455d4c21187705cb0f6bceb11e64a9705673

    • Size

      2.1MB

    • MD5

      f39dcdd9393660d9b67580aac9c7561f

    • SHA1

      d489da27d4e8d71210fc098a7e0071f364739e60

    • SHA256

      e79b5c3bd34c9a760695a543fde2455d4c21187705cb0f6bceb11e64a9705673

    • SHA512

      ca77b538f47a75e2616700cc6b51855ad8c0e2739fef2158b50fd6799d35a7c98a3271bbc883c6d67136b43782badb251a4f4f331acc112edcf91b8c653a44e6

    • SSDEEP

      24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sPUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHPUkxVVChjHZQHzqZ+rPlV

    • 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.

    • Executes dropped EXE

    • 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