General

  • Target

    34339222b5f16d1fb677917df3cc3e7e792aaee789adade5f6d37c43409d3195

  • Size

    2.0MB

  • Sample

    240525-gw1gxsgh74

  • MD5

    db4ba28c140322cefbe18de140a2543a

  • SHA1

    6f08c2a18e9694240d7998aaef1043064688e99c

  • SHA256

    34339222b5f16d1fb677917df3cc3e7e792aaee789adade5f6d37c43409d3195

  • SHA512

    a579c96428e8036a3d2fdba4717232e3280bde7526216766c4b04384403759a0ae69e2d1764412ed17e2daaa73781b195ddc55134b1c2bff2147336d9cea75a2

  • SSDEEP

    49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

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

Targets

    • Target

      34339222b5f16d1fb677917df3cc3e7e792aaee789adade5f6d37c43409d3195

    • Size

      2.0MB

    • MD5

      db4ba28c140322cefbe18de140a2543a

    • SHA1

      6f08c2a18e9694240d7998aaef1043064688e99c

    • SHA256

      34339222b5f16d1fb677917df3cc3e7e792aaee789adade5f6d37c43409d3195

    • SHA512

      a579c96428e8036a3d2fdba4717232e3280bde7526216766c4b04384403759a0ae69e2d1764412ed17e2daaa73781b195ddc55134b1c2bff2147336d9cea75a2

    • SSDEEP

      49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

    • 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