General

  • Target

    35b2c0ea942507b97ba33691ab3a016431fe0e0642d8e89f32cd1ca942c06d64

  • Size

    2.2MB

  • Sample

    240701-adap8azdpb

  • MD5

    582f1ddff2350d28f8936f9390fd2b19

  • SHA1

    3dcf1a9d3f9cfab8adee953f382e6bd6f96ada2e

  • SHA256

    35b2c0ea942507b97ba33691ab3a016431fe0e0642d8e89f32cd1ca942c06d64

  • SHA512

    a096a44d62ed94111e07089a6347c1b71e1a017bfc5b44cd5e1fe272fa79edbc8d887e65c9f2888bcecd92bfa2051e7d0f80f831f2e2c46f2cb296895408997e

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXD+U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPZ21tuuIeNHYGY0LzjsJxK

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

      35b2c0ea942507b97ba33691ab3a016431fe0e0642d8e89f32cd1ca942c06d64

    • Size

      2.2MB

    • MD5

      582f1ddff2350d28f8936f9390fd2b19

    • SHA1

      3dcf1a9d3f9cfab8adee953f382e6bd6f96ada2e

    • SHA256

      35b2c0ea942507b97ba33691ab3a016431fe0e0642d8e89f32cd1ca942c06d64

    • SHA512

      a096a44d62ed94111e07089a6347c1b71e1a017bfc5b44cd5e1fe272fa79edbc8d887e65c9f2888bcecd92bfa2051e7d0f80f831f2e2c46f2cb296895408997e

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXD+U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPZ21tuuIeNHYGY0LzjsJxK

    • 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