General

  • Target

    158109819c504df470044febf619ab424b4738fb30a7084816c7696d5fa55bc2

  • Size

    2.4MB

  • Sample

    240603-f1d9taea86

  • MD5

    0618e93ca8acf8865fafbc2599d015bf

  • SHA1

    29a68abc9df422a34d57765920bbd54f9a624353

  • SHA256

    158109819c504df470044febf619ab424b4738fb30a7084816c7696d5fa55bc2

  • SHA512

    a767e5aa18ece3c737ca3ca3593a4fbfaabc1c1daacc81142a26f3b04a94c8705025e5b05ec2d674741d8afb939b71a835b306498fbb2ec231d332b6f1be078c

  • SSDEEP

    49152:wQc81KnB/a/hNT/dlYa8aesY3Ot4N7G/:wDta/hNT/dln0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      158109819c504df470044febf619ab424b4738fb30a7084816c7696d5fa55bc2

    • Size

      2.4MB

    • MD5

      0618e93ca8acf8865fafbc2599d015bf

    • SHA1

      29a68abc9df422a34d57765920bbd54f9a624353

    • SHA256

      158109819c504df470044febf619ab424b4738fb30a7084816c7696d5fa55bc2

    • SHA512

      a767e5aa18ece3c737ca3ca3593a4fbfaabc1c1daacc81142a26f3b04a94c8705025e5b05ec2d674741d8afb939b71a835b306498fbb2ec231d332b6f1be078c

    • SSDEEP

      49152:wQc81KnB/a/hNT/dlYa8aesY3Ot4N7G/:wDta/hNT/dln0etD/

    • 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

    • Loads dropped DLL

    • 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 Enterprise v15

Tasks