General

  • Target

    954012e1eee4c6d545a5e4017ab6f574ee3c1091c2494db773ec4957aae34cc2

  • Size

    2.0MB

  • Sample

    240525-kcja3sbe7w

  • MD5

    7fa64f803ba40b7e39fe20f9ccd1b97f

  • SHA1

    a0ae2867450096d2b24a928fdab08dabf9c74606

  • SHA256

    954012e1eee4c6d545a5e4017ab6f574ee3c1091c2494db773ec4957aae34cc2

  • SHA512

    504e5e09ce736c0b22e407010153b8bde6eab04fb09af4861581605b76ddfbb0a74427b13ba7350755e352e9ef855bd40f3c21cf34ba83a09a333191803ea595

  • SSDEEP

    49152:s4K3x1vUyJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18ytIuoITsdZ

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

      954012e1eee4c6d545a5e4017ab6f574ee3c1091c2494db773ec4957aae34cc2

    • Size

      2.0MB

    • MD5

      7fa64f803ba40b7e39fe20f9ccd1b97f

    • SHA1

      a0ae2867450096d2b24a928fdab08dabf9c74606

    • SHA256

      954012e1eee4c6d545a5e4017ab6f574ee3c1091c2494db773ec4957aae34cc2

    • SHA512

      504e5e09ce736c0b22e407010153b8bde6eab04fb09af4861581605b76ddfbb0a74427b13ba7350755e352e9ef855bd40f3c21cf34ba83a09a333191803ea595

    • SSDEEP

      49152:s4K3x1vUyJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18ytIuoITsdZ

    • 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