General

  • Target

    a7cc431cc8ee93723e01aa6aa44a21ce4fee0822920afcfca470c1a18494405a

  • Size

    2.4MB

  • Sample

    240607-a67wesff97

  • MD5

    5b0ad3fdd467aa4d95d4685a463bd1c3

  • SHA1

    0b6b5fc3169b7f82a1ab00e6c857e77b397dc086

  • SHA256

    a7cc431cc8ee93723e01aa6aa44a21ce4fee0822920afcfca470c1a18494405a

  • SHA512

    292ed7b365d4e73504328f52d928ea64a7bb57b68d2fbb683cf688c055b5902fe9feb90fdfb3da0f0756e12556c4e12bc57c8a3646844ec2f7802260f6dd2f70

  • SSDEEP

    49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

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

      a7cc431cc8ee93723e01aa6aa44a21ce4fee0822920afcfca470c1a18494405a

    • Size

      2.4MB

    • MD5

      5b0ad3fdd467aa4d95d4685a463bd1c3

    • SHA1

      0b6b5fc3169b7f82a1ab00e6c857e77b397dc086

    • SHA256

      a7cc431cc8ee93723e01aa6aa44a21ce4fee0822920afcfca470c1a18494405a

    • SHA512

      292ed7b365d4e73504328f52d928ea64a7bb57b68d2fbb683cf688c055b5902fe9feb90fdfb3da0f0756e12556c4e12bc57c8a3646844ec2f7802260f6dd2f70

    • SSDEEP

      49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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