General

  • Target

    d72fd924dfbb6c9069fbcd81fe863c19f2360095c8b9eb0a3153433f360649c2.exe

  • Size

    2.4MB

  • Sample

    240524-mvyjtseb8w

  • MD5

    e3640084e397743222b055983594f430

  • SHA1

    c5978836e585c6405265d82a480bfd435218d60b

  • SHA256

    d72fd924dfbb6c9069fbcd81fe863c19f2360095c8b9eb0a3153433f360649c2

  • SHA512

    6e064a0450cdda5c109cf0e78a09cb35e2b33a53dbb011ae3d5229006c61d04b99d600f60af79162043cb43cce268f2f24542c244f16764d8f7acf17e5cf77a5

  • 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

      d72fd924dfbb6c9069fbcd81fe863c19f2360095c8b9eb0a3153433f360649c2.exe

    • Size

      2.4MB

    • MD5

      e3640084e397743222b055983594f430

    • SHA1

      c5978836e585c6405265d82a480bfd435218d60b

    • SHA256

      d72fd924dfbb6c9069fbcd81fe863c19f2360095c8b9eb0a3153433f360649c2

    • SHA512

      6e064a0450cdda5c109cf0e78a09cb35e2b33a53dbb011ae3d5229006c61d04b99d600f60af79162043cb43cce268f2f24542c244f16764d8f7acf17e5cf77a5

    • 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

    • Loads dropped DLL

    • 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