General

  • Target

    43febe3888edadb6bf4f00fe222cf351a2304974d87288a4a3f7d93f017f6d99

  • Size

    1.8MB

  • Sample

    240606-3g744sdf6t

  • MD5

    2eb0745df06df8fd2552d459c6dca932

  • SHA1

    b32755ae66a27427aa89a2c1bca1379a06edd3d6

  • SHA256

    43febe3888edadb6bf4f00fe222cf351a2304974d87288a4a3f7d93f017f6d99

  • SHA512

    99b0e7a581f877ce8da5eeaf9ae0fd46b470eb912f22162a2195bdfee8c8802d5932caf936760ba5b0643834b9bd36102fea95365d2ed140fad6f8ce7a248538

  • SSDEEP

    24576:l6z6AnPq5iak02Hk8YaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4k8Ya8aesY3Ot4N7G/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

      43febe3888edadb6bf4f00fe222cf351a2304974d87288a4a3f7d93f017f6d99

    • Size

      1.8MB

    • MD5

      2eb0745df06df8fd2552d459c6dca932

    • SHA1

      b32755ae66a27427aa89a2c1bca1379a06edd3d6

    • SHA256

      43febe3888edadb6bf4f00fe222cf351a2304974d87288a4a3f7d93f017f6d99

    • SHA512

      99b0e7a581f877ce8da5eeaf9ae0fd46b470eb912f22162a2195bdfee8c8802d5932caf936760ba5b0643834b9bd36102fea95365d2ed140fad6f8ce7a248538

    • SSDEEP

      24576:l6z6AnPq5iak02Hk8YaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4k8Ya8aesY3Ot4N7G/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