General

  • Target

    5ea233bd14560a9437ebebb11ccd0f56cbbd98ec7b34e66fab61cc5b1be440fd

  • Size

    2.0MB

  • Sample

    240526-s1exkacb59

  • MD5

    0441e7af6a4812711d3c40bf4da2580b

  • SHA1

    631a02bf1ec7cc176ffb68abc0d20498dd7dda17

  • SHA256

    5ea233bd14560a9437ebebb11ccd0f56cbbd98ec7b34e66fab61cc5b1be440fd

  • SHA512

    f15520b5cc74d186b45715abf8e21bbb35a781e2ca7a8f178fbb28a05c55d428a071246f4be5ae718628beb2e411b3fd4d270a4f27f436e708b99a877e892372

  • SSDEEP

    49152:OePpQEJJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEJtIuoITsdZ

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

      5ea233bd14560a9437ebebb11ccd0f56cbbd98ec7b34e66fab61cc5b1be440fd

    • Size

      2.0MB

    • MD5

      0441e7af6a4812711d3c40bf4da2580b

    • SHA1

      631a02bf1ec7cc176ffb68abc0d20498dd7dda17

    • SHA256

      5ea233bd14560a9437ebebb11ccd0f56cbbd98ec7b34e66fab61cc5b1be440fd

    • SHA512

      f15520b5cc74d186b45715abf8e21bbb35a781e2ca7a8f178fbb28a05c55d428a071246f4be5ae718628beb2e411b3fd4d270a4f27f436e708b99a877e892372

    • SSDEEP

      49152:OePpQEJJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEJtIuoITsdZ

    • 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