General

  • Target

    daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4

  • Size

    2.2MB

  • Sample

    240630-dhq5jssgrd

  • MD5

    25333bea2a3300b9cb40d856026c13aa

  • SHA1

    3b6c14ab36456c30d3719135100ff9a05cff17fa

  • SHA256

    daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4

  • SHA512

    5634b1a903c100b7160ef4c4a4960b832c9925ed393c6364ee03b8bda6abbb84a6986b4387c2dcb44d2e19b75f16d5f97f35de9766993b376354874e4e53f391

  • SSDEEP

    49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

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

      daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4

    • Size

      2.2MB

    • MD5

      25333bea2a3300b9cb40d856026c13aa

    • SHA1

      3b6c14ab36456c30d3719135100ff9a05cff17fa

    • SHA256

      daf73ea9474f920f81f66718dfdd3c9edf3bb1fb82d2abf6bfb267ff58d4b3f4

    • SHA512

      5634b1a903c100b7160ef4c4a4960b832c9925ed393c6364ee03b8bda6abbb84a6986b4387c2dcb44d2e19b75f16d5f97f35de9766993b376354874e4e53f391

    • SSDEEP

      49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks