General

  • Target

    60caee77ba7754f450e8abff1a950de4baedc4846ed1a0fc913a34e4fcebf9d3

  • Size

    2.0MB

  • Sample

    240526-clg6dabb2z

  • MD5

    1fd135ac7dba8da0966d5b726074b084

  • SHA1

    eb74c4133e21e8af2c182bcdd81345930e886f2c

  • SHA256

    60caee77ba7754f450e8abff1a950de4baedc4846ed1a0fc913a34e4fcebf9d3

  • SHA512

    55d97593b6eb8dd196091048ada9e3a4aa37577811e12bdf9b6c6977726a303dadfc04134883f08af98cee8a77983dcb3f2708f74fb07caa9033fba90a0ec08e

  • SSDEEP

    49152:s4K3x1vUeJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18etIuoITsdZ

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

      60caee77ba7754f450e8abff1a950de4baedc4846ed1a0fc913a34e4fcebf9d3

    • Size

      2.0MB

    • MD5

      1fd135ac7dba8da0966d5b726074b084

    • SHA1

      eb74c4133e21e8af2c182bcdd81345930e886f2c

    • SHA256

      60caee77ba7754f450e8abff1a950de4baedc4846ed1a0fc913a34e4fcebf9d3

    • SHA512

      55d97593b6eb8dd196091048ada9e3a4aa37577811e12bdf9b6c6977726a303dadfc04134883f08af98cee8a77983dcb3f2708f74fb07caa9033fba90a0ec08e

    • SSDEEP

      49152:s4K3x1vUeJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18etIuoITsdZ

    • 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