General

  • Target

    00e3a03da6fef465524a595b913167061bdab77ac10b2d8c473f1ad42b943cc9

  • Size

    2.2MB

  • Sample

    240701-nn4b6sselm

  • MD5

    4c03d2ea70503e1768724324d0a01b57

  • SHA1

    939b7804ff9620badc03b491557e2e554713dfea

  • SHA256

    00e3a03da6fef465524a595b913167061bdab77ac10b2d8c473f1ad42b943cc9

  • SHA512

    37118548190773b5a4c2e2aae9751f82a4e349237271a718a95f7368fb806831e44e0aa7d2b9664e647946a3d16951cbd9c09e21f59718a2912267d515b97bc5

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/YU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPf21tuuIeNHYGY0LzjsJxK

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

      00e3a03da6fef465524a595b913167061bdab77ac10b2d8c473f1ad42b943cc9

    • Size

      2.2MB

    • MD5

      4c03d2ea70503e1768724324d0a01b57

    • SHA1

      939b7804ff9620badc03b491557e2e554713dfea

    • SHA256

      00e3a03da6fef465524a595b913167061bdab77ac10b2d8c473f1ad42b943cc9

    • SHA512

      37118548190773b5a4c2e2aae9751f82a4e349237271a718a95f7368fb806831e44e0aa7d2b9664e647946a3d16951cbd9c09e21f59718a2912267d515b97bc5

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/YU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPf21tuuIeNHYGY0LzjsJxK

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks