General

  • Target

    65f0b4196c7ccc91a910931934ed3ade34b9909e22023a30a5b3ab70c2d3b823

  • Size

    2.2MB

  • Sample

    240630-jgt3psvdpf

  • MD5

    904c6b23cb9ff1f0ca39b699796497d7

  • SHA1

    b27cac4e2920db8e9f1ecb444bf3e67eef4a9adb

  • SHA256

    65f0b4196c7ccc91a910931934ed3ade34b9909e22023a30a5b3ab70c2d3b823

  • SHA512

    8efc606bc6d6224872b35d111479e21f39e32517df6675b5657d444c53d9d56b1fcc9d7dc2cd9a8a528ce83382d12a90f68164b351992776cde8964365ada525

  • SSDEEP

    49152:qpjNvr9ySAOmw4tHHO+SASagXkJr4MDkUwm:qpjNp7p4tHH8n5A

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

      65f0b4196c7ccc91a910931934ed3ade34b9909e22023a30a5b3ab70c2d3b823

    • Size

      2.2MB

    • MD5

      904c6b23cb9ff1f0ca39b699796497d7

    • SHA1

      b27cac4e2920db8e9f1ecb444bf3e67eef4a9adb

    • SHA256

      65f0b4196c7ccc91a910931934ed3ade34b9909e22023a30a5b3ab70c2d3b823

    • SHA512

      8efc606bc6d6224872b35d111479e21f39e32517df6675b5657d444c53d9d56b1fcc9d7dc2cd9a8a528ce83382d12a90f68164b351992776cde8964365ada525

    • SSDEEP

      49152:qpjNvr9ySAOmw4tHHO+SASagXkJr4MDkUwm:qpjNp7p4tHH8n5A

    • 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