General

  • Target

    53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc

  • Size

    2.2MB

  • Sample

    240629-bnmm7szhqk

  • MD5

    8a6df58417c4f52c21d3f1b08a03db59

  • SHA1

    e420d3cc071ad7e4a6faeccb0fba6a72872770f8

  • SHA256

    53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc

  • SHA512

    d2c9e26d041045ed584f787bd08d7ffb081759ef74464d3fb609f04535fe7616256c15500c1017375eb45bba53810d3d6bb2ff92e658e7ce0dc4e74dae9c272a

  • SSDEEP

    49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

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

      53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc

    • Size

      2.2MB

    • MD5

      8a6df58417c4f52c21d3f1b08a03db59

    • SHA1

      e420d3cc071ad7e4a6faeccb0fba6a72872770f8

    • SHA256

      53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc

    • SHA512

      d2c9e26d041045ed584f787bd08d7ffb081759ef74464d3fb609f04535fe7616256c15500c1017375eb45bba53810d3d6bb2ff92e658e7ce0dc4e74dae9c272a

    • SSDEEP

      49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

    • 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