General

  • Target

    bd20743a10b1e5b6ee464f091ba7a12386bc4982d20d58a4d3de6edd1f3f1f03

  • Size

    2.2MB

  • Sample

    240630-qd2fya1gmj

  • MD5

    da8ac3b74217a2459b95ae8d39cbd31e

  • SHA1

    6cb162cfcc31d5ab7d37933ed7232c6ae1528445

  • SHA256

    bd20743a10b1e5b6ee464f091ba7a12386bc4982d20d58a4d3de6edd1f3f1f03

  • SHA512

    26392b4b45795254a4cf0a18dd2486ccdb515d4a476f5282e3651525d31c0f69f98c13f94320cd58b103ebd409d0a786fc6ed5a60f217cde0df9a2b6dccb1050

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXreU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPJ21tuuIeNHYGY0LzjsJxK

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

      bd20743a10b1e5b6ee464f091ba7a12386bc4982d20d58a4d3de6edd1f3f1f03

    • Size

      2.2MB

    • MD5

      da8ac3b74217a2459b95ae8d39cbd31e

    • SHA1

      6cb162cfcc31d5ab7d37933ed7232c6ae1528445

    • SHA256

      bd20743a10b1e5b6ee464f091ba7a12386bc4982d20d58a4d3de6edd1f3f1f03

    • SHA512

      26392b4b45795254a4cf0a18dd2486ccdb515d4a476f5282e3651525d31c0f69f98c13f94320cd58b103ebd409d0a786fc6ed5a60f217cde0df9a2b6dccb1050

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXreU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPJ21tuuIeNHYGY0LzjsJxK

    • 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