General

  • Target

    76c66859fc264a0c62fbfc21783ae5bd83a57063b1245c56a19646572afa9cda

  • Size

    2.0MB

  • Sample

    240525-kjdzyaca86

  • MD5

    00008e94d55bf0325b2da3e0b5263273

  • SHA1

    9ba1407c1ef809b5042b492f204ddcdab78063a4

  • SHA256

    76c66859fc264a0c62fbfc21783ae5bd83a57063b1245c56a19646572afa9cda

  • SHA512

    7eb50567df1a5920fe46808b381084010e039c4543b15c313a7eb0bd8d01244766d75f78a340f747171b94ce8f31ffa9c4ba11417f36eaddea8e7901bc1b9481

  • SSDEEP

    49152:s4K3x1vUGJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18GtIuoITsdZ

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

      76c66859fc264a0c62fbfc21783ae5bd83a57063b1245c56a19646572afa9cda

    • Size

      2.0MB

    • MD5

      00008e94d55bf0325b2da3e0b5263273

    • SHA1

      9ba1407c1ef809b5042b492f204ddcdab78063a4

    • SHA256

      76c66859fc264a0c62fbfc21783ae5bd83a57063b1245c56a19646572afa9cda

    • SHA512

      7eb50567df1a5920fe46808b381084010e039c4543b15c313a7eb0bd8d01244766d75f78a340f747171b94ce8f31ffa9c4ba11417f36eaddea8e7901bc1b9481

    • SSDEEP

      49152:s4K3x1vUGJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18GtIuoITsdZ

    • 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