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General

  • Target

    f430a4eaeefef44a8b099a62f38a25525eed5af65928a720810c16f5cfeae3f5

  • Size

    2.6MB

  • Sample

    240528-rc4eksgc9s

  • MD5

    8c8c6222ef89c9976ca396b3889ffd0a

  • SHA1

    6c753fb579e6ddffe668421e536fe8a763e0127f

  • SHA256

    f430a4eaeefef44a8b099a62f38a25525eed5af65928a720810c16f5cfeae3f5

  • SHA512

    f5527255c4e1907c899de624df8e9c1266bcadece5d63bdde2bd82c58579cd03e103c0019b849c9e903000f2867488292b1044715ef7287f404e2dc400cda43e

  • SSDEEP

    49152:XQzIzMiqCNw0JtTF+TxMoxc1TU+j+dAzGwlrh:XY5985tIuoITsdZ

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

      f430a4eaeefef44a8b099a62f38a25525eed5af65928a720810c16f5cfeae3f5

    • Size

      2.6MB

    • MD5

      8c8c6222ef89c9976ca396b3889ffd0a

    • SHA1

      6c753fb579e6ddffe668421e536fe8a763e0127f

    • SHA256

      f430a4eaeefef44a8b099a62f38a25525eed5af65928a720810c16f5cfeae3f5

    • SHA512

      f5527255c4e1907c899de624df8e9c1266bcadece5d63bdde2bd82c58579cd03e103c0019b849c9e903000f2867488292b1044715ef7287f404e2dc400cda43e

    • SSDEEP

      49152:XQzIzMiqCNw0JtTF+TxMoxc1TU+j+dAzGwlrh:XY5985tIuoITsdZ

    • 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