General

  • Target

    13176737918a76ed2d96498fb982cab145ade3d7bdcbe76047f858c215e50e2d

  • Size

    2.6MB

  • Sample

    240528-vjjkjace6t

  • MD5

    a383df3c52e508632f7ddf6562d669f0

  • SHA1

    07fe9c71e2059b37854b22a095cfae31cdce7d65

  • SHA256

    13176737918a76ed2d96498fb982cab145ade3d7bdcbe76047f858c215e50e2d

  • SHA512

    f8be1c84f03e1238c3c2c41242b2c7e7a89afa86b5e4f02a9e12ba478b852c77fabcf8c831978ed660f6e5e9a80261a8239fd65793d1eebf64d6fae87751b01b

  • SSDEEP

    49152:XQzIzMiqCNwLJtTF+TxMoxc1TU+j+dAzGwlrh:XY598etIuoITsdZ

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

      13176737918a76ed2d96498fb982cab145ade3d7bdcbe76047f858c215e50e2d

    • Size

      2.6MB

    • MD5

      a383df3c52e508632f7ddf6562d669f0

    • SHA1

      07fe9c71e2059b37854b22a095cfae31cdce7d65

    • SHA256

      13176737918a76ed2d96498fb982cab145ade3d7bdcbe76047f858c215e50e2d

    • SHA512

      f8be1c84f03e1238c3c2c41242b2c7e7a89afa86b5e4f02a9e12ba478b852c77fabcf8c831978ed660f6e5e9a80261a8239fd65793d1eebf64d6fae87751b01b

    • SSDEEP

      49152:XQzIzMiqCNwLJtTF+TxMoxc1TU+j+dAzGwlrh:XY598etIuoITsdZ

    • 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