General

  • Target

    e34b06c0922a6d1db016e58364be60e0adeb6fe43833a6da7c7c3cc83a6cdbe4

  • Size

    2.2MB

  • Sample

    240630-cdv29swajq

  • MD5

    55bb56b13d31d42072fbdadbe8f8c76b

  • SHA1

    b9f89effc3a5a9972eb3e08ef14fdec4cc03451f

  • SHA256

    e34b06c0922a6d1db016e58364be60e0adeb6fe43833a6da7c7c3cc83a6cdbe4

  • SHA512

    968594b2157bdf2be79563e96903ba279acca44fd3226d1b0a6a5927deae26346d9c1a0eb05bcfd79cc88f256837b02bf0b800caf89b40fc358f8143bf8e61ef

  • SSDEEP

    49152:qpjNvr9ySAOmw4BHHO+SASagXkJr4MDkUwm:qpjNp7p4BHH8n5A

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

      e34b06c0922a6d1db016e58364be60e0adeb6fe43833a6da7c7c3cc83a6cdbe4

    • Size

      2.2MB

    • MD5

      55bb56b13d31d42072fbdadbe8f8c76b

    • SHA1

      b9f89effc3a5a9972eb3e08ef14fdec4cc03451f

    • SHA256

      e34b06c0922a6d1db016e58364be60e0adeb6fe43833a6da7c7c3cc83a6cdbe4

    • SHA512

      968594b2157bdf2be79563e96903ba279acca44fd3226d1b0a6a5927deae26346d9c1a0eb05bcfd79cc88f256837b02bf0b800caf89b40fc358f8143bf8e61ef

    • SSDEEP

      49152:qpjNvr9ySAOmw4BHHO+SASagXkJr4MDkUwm:qpjNp7p4BHH8n5A

    • 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