General

  • Target

    cb48d8e10e4a76b967c90f4c1ea6b1036288d0a3baf20335328cd39148808448

  • Size

    2.4MB

  • Sample

    240531-pke1vagg4t

  • MD5

    e0eba3b0707bc7dd205613bf6a64a9c5

  • SHA1

    a36de8569edf869edfae0b566a4c4a51cca4bcb6

  • SHA256

    cb48d8e10e4a76b967c90f4c1ea6b1036288d0a3baf20335328cd39148808448

  • SHA512

    f4264c0f7a99f7d4a1b0e4147c02f293c6d72d50a5cc469a9a2fc5e0aab625f9830af5ea48e62ab52224e95ce8db59bf90c4fb0c1dde64d6be684280f8ac7ac9

  • SSDEEP

    49152:wQc81KnB/a/hNT/d5Ya8aesY3Ot4N7G/:wDta/hNT/d5n0etD/

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

      cb48d8e10e4a76b967c90f4c1ea6b1036288d0a3baf20335328cd39148808448

    • Size

      2.4MB

    • MD5

      e0eba3b0707bc7dd205613bf6a64a9c5

    • SHA1

      a36de8569edf869edfae0b566a4c4a51cca4bcb6

    • SHA256

      cb48d8e10e4a76b967c90f4c1ea6b1036288d0a3baf20335328cd39148808448

    • SHA512

      f4264c0f7a99f7d4a1b0e4147c02f293c6d72d50a5cc469a9a2fc5e0aab625f9830af5ea48e62ab52224e95ce8db59bf90c4fb0c1dde64d6be684280f8ac7ac9

    • SSDEEP

      49152:wQc81KnB/a/hNT/d5Ya8aesY3Ot4N7G/:wDta/hNT/d5n0etD/

    • 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 Enterprise v15

Tasks