General

  • Target

    7cc61e20d3ce72d8fba3e03010c403c017f8b02070e5b061b85b385bbe8188fd

  • Size

    2.4MB

  • Sample

    240607-ajksdafc74

  • MD5

    a1ea518263acbb31c547cd85f1c355d7

  • SHA1

    608f87dbabf8aa3113f051cbc1995237a9268509

  • SHA256

    7cc61e20d3ce72d8fba3e03010c403c017f8b02070e5b061b85b385bbe8188fd

  • SHA512

    cf0114f824651d66cd4605f5f20a266cd06f79227bb25e147a68a220a644677baa290581699d278b52e2db719c5a2ae97bfd2aec1ce831acf618de5f0ecbe95f

  • SSDEEP

    49152:wQc81KnB/a/hNT/dtYa8aesY3Ot4N7G/:wDta/hNT/dtn0etD/

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

      7cc61e20d3ce72d8fba3e03010c403c017f8b02070e5b061b85b385bbe8188fd

    • Size

      2.4MB

    • MD5

      a1ea518263acbb31c547cd85f1c355d7

    • SHA1

      608f87dbabf8aa3113f051cbc1995237a9268509

    • SHA256

      7cc61e20d3ce72d8fba3e03010c403c017f8b02070e5b061b85b385bbe8188fd

    • SHA512

      cf0114f824651d66cd4605f5f20a266cd06f79227bb25e147a68a220a644677baa290581699d278b52e2db719c5a2ae97bfd2aec1ce831acf618de5f0ecbe95f

    • SSDEEP

      49152:wQc81KnB/a/hNT/dtYa8aesY3Ot4N7G/:wDta/hNT/dtn0etD/

    • 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