General

  • Target

    60b197131b929c3f766859175a9826cd09b94891e61db29d2d8a675cb70f92f7

  • Size

    2.0MB

  • Sample

    240526-zgr64sbd9s

  • MD5

    38942da6d80fca6d6d652e9a0c04e554

  • SHA1

    e5fd3fa24eee60bd0104d4c04c44ac037a64319c

  • SHA256

    60b197131b929c3f766859175a9826cd09b94891e61db29d2d8a675cb70f92f7

  • SHA512

    1e69c289f2a130d7bed7bbac0a7be57ec945970150b4e135089f0bb16f69473ad20cf2876fb0b1bf669403448afc3ea1007d102c991291e33f16d79a84e15dde

  • SSDEEP

    49152:OePpQEtJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEttIuoITsdZ

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

      60b197131b929c3f766859175a9826cd09b94891e61db29d2d8a675cb70f92f7

    • Size

      2.0MB

    • MD5

      38942da6d80fca6d6d652e9a0c04e554

    • SHA1

      e5fd3fa24eee60bd0104d4c04c44ac037a64319c

    • SHA256

      60b197131b929c3f766859175a9826cd09b94891e61db29d2d8a675cb70f92f7

    • SHA512

      1e69c289f2a130d7bed7bbac0a7be57ec945970150b4e135089f0bb16f69473ad20cf2876fb0b1bf669403448afc3ea1007d102c991291e33f16d79a84e15dde

    • SSDEEP

      49152:OePpQEtJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEttIuoITsdZ

    • 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