General

  • Target

    4e2b0141e4fff7a58dd682bd86d1f9466cc29352ec24700f352ecb09a79e1cb3

  • Size

    1.8MB

  • Sample

    240606-3ww1dsdh8x

  • MD5

    27582f019acfa256dee40c453f4b3dc7

  • SHA1

    4c6e5e414778f545b0d0f0ba196014ba3bc18fae

  • SHA256

    4e2b0141e4fff7a58dd682bd86d1f9466cc29352ec24700f352ecb09a79e1cb3

  • SHA512

    04cb743c585a87162fae8af3f005a1ba4bb0216c383c5b81413b1c06eba3c23878c9e9bca2a5fe42fbaebf68e02972ac8669844115c665231a9cdcd44927320f

  • SSDEEP

    24576:l6z6AnPq5iak02HksYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4ksYa8aesY3Ot4N7G/IeUAtK

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

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

Targets

    • Target

      4e2b0141e4fff7a58dd682bd86d1f9466cc29352ec24700f352ecb09a79e1cb3

    • Size

      1.8MB

    • MD5

      27582f019acfa256dee40c453f4b3dc7

    • SHA1

      4c6e5e414778f545b0d0f0ba196014ba3bc18fae

    • SHA256

      4e2b0141e4fff7a58dd682bd86d1f9466cc29352ec24700f352ecb09a79e1cb3

    • SHA512

      04cb743c585a87162fae8af3f005a1ba4bb0216c383c5b81413b1c06eba3c23878c9e9bca2a5fe42fbaebf68e02972ac8669844115c665231a9cdcd44927320f

    • SSDEEP

      24576:l6z6AnPq5iak02HksYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4ksYa8aesY3Ot4N7G/IeUAtK

    • 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