General

  • Target

    f0062487fc111944d35fa4f0945b8a358d648d33d91d6d2bc35ffd429194a117

  • Size

    2.4MB

  • Sample

    240524-jmd9faac63

  • MD5

    622e395cc9ee49c9c0e03131f229c732

  • SHA1

    af465f709cff5df104b4dfc1978835bf0a6af6c4

  • SHA256

    f0062487fc111944d35fa4f0945b8a358d648d33d91d6d2bc35ffd429194a117

  • SHA512

    ed6371817c0b80886e39cc481c97a5141f06bfc27211075876d8599c93a89dfb8151a7aa1c959eb0b6de691352e37b25312b8ff1e1744230568d0e16db20a1b4

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

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

      f0062487fc111944d35fa4f0945b8a358d648d33d91d6d2bc35ffd429194a117

    • Size

      2.4MB

    • MD5

      622e395cc9ee49c9c0e03131f229c732

    • SHA1

      af465f709cff5df104b4dfc1978835bf0a6af6c4

    • SHA256

      f0062487fc111944d35fa4f0945b8a358d648d33d91d6d2bc35ffd429194a117

    • SHA512

      ed6371817c0b80886e39cc481c97a5141f06bfc27211075876d8599c93a89dfb8151a7aa1c959eb0b6de691352e37b25312b8ff1e1744230568d0e16db20a1b4

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

    • 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