Analysis

  • max time kernel
    137s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 20:48

General

  • Target

    LauncherPC_S0FT/Set-up.exe

  • Size

    783.8MB

  • MD5

    fbe8ed195bd48fb454336c7b17e524d3

  • SHA1

    e11fee2e8965482450c4e6b7a44bf45492c3708d

  • SHA256

    0521cd6d3cc340abfe9f340b91987d840baddf8846d61a5a7d350d1968272b83

  • SHA512

    fd981a653447a5023a3cae15327fc0a4737cda12dcce25e638caf9e54a387578ecb4955eefc331a58b6f9da11188bb1bacddf252c9b0ba636389226dfda01ffa

  • SSDEEP

    393216:dpZbJIRQSoVL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eL0eLq:dSiSv

Malware Config

Extracted

Family

vidar

C2

http://5.182.86.94:80

https://t.me/vookihhfds

https://t.me/secgoxrp

https://steamcommunity.com/profiles/76561199568528949

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:110.0) Gecko/20100101 Firefox/121.0

Signatures

  • Detect Vidar Stealer 2 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LauncherPC_S0FT\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\LauncherPC_S0FT\Set-up.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\LauncherPC_S0FT\Set-up.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:2276

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4840-0-0x00000000002E0000-0x0000000000D2D000-memory.dmp

          Filesize

          10.3MB

        • memory/4840-2-0x0000000001260000-0x0000000001261000-memory.dmp

          Filesize

          4KB

        • memory/4840-4-0x00000000002E0000-0x0000000000D2D000-memory.dmp

          Filesize

          10.3MB

        • memory/4840-1-0x0000000001250000-0x0000000001251000-memory.dmp

          Filesize

          4KB

        • memory/4840-3-0x0000000001880000-0x0000000001881000-memory.dmp

          Filesize

          4KB

        • memory/4840-5-0x0000000001890000-0x0000000001891000-memory.dmp

          Filesize

          4KB

        • memory/4840-7-0x0000000003000000-0x0000000003001000-memory.dmp

          Filesize

          4KB

        • memory/4840-6-0x00000000018D0000-0x00000000018D1000-memory.dmp

          Filesize

          4KB

        • memory/4840-8-0x0000000003010000-0x0000000003011000-memory.dmp

          Filesize

          4KB

        • memory/4840-11-0x0000000010000000-0x000000001025F000-memory.dmp

          Filesize

          2.4MB

        • memory/4840-18-0x00000000002E0000-0x0000000000D2D000-memory.dmp

          Filesize

          10.3MB