General

  • Target

    49f615523b2db884329c9e2d4f5afdef90eb101f97353e7244f4b06aa0dac895

  • Size

    1.8MB

  • Sample

    240604-c1ec2aah87

  • MD5

    cfe33475c88268c9956b04bc9f8e8d7a

  • SHA1

    55ed6c7d9ababa2e79079aa6c49ca0960254fba2

  • SHA256

    49f615523b2db884329c9e2d4f5afdef90eb101f97353e7244f4b06aa0dac895

  • SHA512

    6bb04c536827864fc2ad8326b087a84c56b8b4b39d212479a988a0b4a429746fdb31573e954dee3bc6dd62d68211d160a64bfde320a29816beedff62613b97af

  • SSDEEP

    24576:W7YfUB7F1931tbPYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbPYa8aesY3Ot4N7G/

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

      49f615523b2db884329c9e2d4f5afdef90eb101f97353e7244f4b06aa0dac895

    • Size

      1.8MB

    • MD5

      cfe33475c88268c9956b04bc9f8e8d7a

    • SHA1

      55ed6c7d9ababa2e79079aa6c49ca0960254fba2

    • SHA256

      49f615523b2db884329c9e2d4f5afdef90eb101f97353e7244f4b06aa0dac895

    • SHA512

      6bb04c536827864fc2ad8326b087a84c56b8b4b39d212479a988a0b4a429746fdb31573e954dee3bc6dd62d68211d160a64bfde320a29816beedff62613b97af

    • SSDEEP

      24576:W7YfUB7F1931tbPYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbPYa8aesY3Ot4N7G/

    • 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