General

  • Target

    75655a34314f6c567f4af4f82d2daa95b3779be8e96e54d9ea0adf2267856b4b

  • Size

    2.2MB

  • Sample

    240628-zxmlkasbme

  • MD5

    f56baaf17eda0c99f1fa85caba19530b

  • SHA1

    b9f6d8f20cc5412721216ddf01eccb775e871e17

  • SHA256

    75655a34314f6c567f4af4f82d2daa95b3779be8e96e54d9ea0adf2267856b4b

  • SHA512

    859713b77d814f197f7388e7b4877074c76a853ae551cb127b27673ce6a91c71148f81031482c14282f0a65e1dbf9096b00fc5cbef9f660dd53cf532df00157a

  • SSDEEP

    49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A

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

      75655a34314f6c567f4af4f82d2daa95b3779be8e96e54d9ea0adf2267856b4b

    • Size

      2.2MB

    • MD5

      f56baaf17eda0c99f1fa85caba19530b

    • SHA1

      b9f6d8f20cc5412721216ddf01eccb775e871e17

    • SHA256

      75655a34314f6c567f4af4f82d2daa95b3779be8e96e54d9ea0adf2267856b4b

    • SHA512

      859713b77d814f197f7388e7b4877074c76a853ae551cb127b27673ce6a91c71148f81031482c14282f0a65e1dbf9096b00fc5cbef9f660dd53cf532df00157a

    • SSDEEP

      49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A

    • 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