General

  • Target

    16a0507068a23fe21f4bc8f70d7f91679ff3fa4b2a30d345bd341cf172dcbcb7

  • Size

    2.2MB

  • Sample

    240630-faykrsxdlq

  • MD5

    2e88b95a6e42293dfca44927cccdd33d

  • SHA1

    7456fab6cc700fcdc39a2d0062611af607816b5f

  • SHA256

    16a0507068a23fe21f4bc8f70d7f91679ff3fa4b2a30d345bd341cf172dcbcb7

  • SHA512

    7ca226a301ee22fee544c6b759e7afd5ae84b3c67d1d3176a675a02c32bd8af576738669c9e3c2a220ae7f43e10da98b6f635009e0579bf50fa9bcd25c70c7b6

  • SSDEEP

    49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A

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

      16a0507068a23fe21f4bc8f70d7f91679ff3fa4b2a30d345bd341cf172dcbcb7

    • Size

      2.2MB

    • MD5

      2e88b95a6e42293dfca44927cccdd33d

    • SHA1

      7456fab6cc700fcdc39a2d0062611af607816b5f

    • SHA256

      16a0507068a23fe21f4bc8f70d7f91679ff3fa4b2a30d345bd341cf172dcbcb7

    • SHA512

      7ca226a301ee22fee544c6b759e7afd5ae84b3c67d1d3176a675a02c32bd8af576738669c9e3c2a220ae7f43e10da98b6f635009e0579bf50fa9bcd25c70c7b6

    • SSDEEP

      49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A

    • 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