General

  • Target

    2754fc321433381d7f1b85193a0624191f560f3b4890bb68bccc7e285aa3a26f

  • Size

    2.4MB

  • Sample

    240524-dp3rxsbb57

  • MD5

    7167fa2cb81b782e182f066af70b0e0c

  • SHA1

    c4b975d85ceaf023cee1864599b97d3ae9260ece

  • SHA256

    2754fc321433381d7f1b85193a0624191f560f3b4890bb68bccc7e285aa3a26f

  • SHA512

    9cf654ca3fd03f6d389289019ab6c1e09307ece98f443f7f13e3e26e1d4a3c3c05f42ba522e38e399cc340d1adc6bc84c11d10779c9b0b48b972cac4b64c763c

  • SSDEEP

    49152:jxIRJF1HL+VdX68kU6JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d6tIuoITsdZ

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

      2754fc321433381d7f1b85193a0624191f560f3b4890bb68bccc7e285aa3a26f

    • Size

      2.4MB

    • MD5

      7167fa2cb81b782e182f066af70b0e0c

    • SHA1

      c4b975d85ceaf023cee1864599b97d3ae9260ece

    • SHA256

      2754fc321433381d7f1b85193a0624191f560f3b4890bb68bccc7e285aa3a26f

    • SHA512

      9cf654ca3fd03f6d389289019ab6c1e09307ece98f443f7f13e3e26e1d4a3c3c05f42ba522e38e399cc340d1adc6bc84c11d10779c9b0b48b972cac4b64c763c

    • SSDEEP

      49152:jxIRJF1HL+VdX68kU6JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d6tIuoITsdZ

    • 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