Analysis

  • max time kernel
    68s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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 processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\KKJJEBFCGD.exe"
      2⤵
        PID:2192
      • 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⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2408
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:1856
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1460

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2192-64-0x0000000002390000-0x0000000002391000-memory.dmp

              Filesize

              4KB

            • memory/2192-69-0x0000000002390000-0x0000000002391000-memory.dmp

              Filesize

              4KB

            • memory/2768-27-0x0000000000140000-0x0000000000141000-memory.dmp

              Filesize

              4KB

            • memory/2768-38-0x0000000000E50000-0x000000000189D000-memory.dmp

              Filesize

              10.3MB

            • memory/2768-6-0x00000000000F0000-0x00000000000F1000-memory.dmp

              Filesize

              4KB

            • memory/2768-17-0x0000000000120000-0x0000000000121000-memory.dmp

              Filesize

              4KB

            • memory/2768-15-0x0000000000120000-0x0000000000121000-memory.dmp

              Filesize

              4KB

            • memory/2768-32-0x0000000000290000-0x0000000000291000-memory.dmp

              Filesize

              4KB

            • memory/2768-37-0x00000000002A0000-0x00000000002A1000-memory.dmp

              Filesize

              4KB

            • memory/2768-22-0x0000000000130000-0x0000000000131000-memory.dmp

              Filesize

              4KB

            • memory/2768-25-0x0000000000140000-0x0000000000141000-memory.dmp

              Filesize

              4KB

            • memory/2768-30-0x0000000000290000-0x0000000000291000-memory.dmp

              Filesize

              4KB

            • memory/2768-4-0x00000000000F0000-0x00000000000F1000-memory.dmp

              Filesize

              4KB

            • memory/2768-0-0x0000000000E50000-0x000000000189D000-memory.dmp

              Filesize

              10.3MB

            • memory/2768-35-0x00000000002A0000-0x00000000002A1000-memory.dmp

              Filesize

              4KB

            • memory/2768-20-0x0000000000130000-0x0000000000131000-memory.dmp

              Filesize

              4KB

            • memory/2768-13-0x0000000000120000-0x0000000000121000-memory.dmp

              Filesize

              4KB

            • memory/2768-12-0x0000000000100000-0x0000000000101000-memory.dmp

              Filesize

              4KB

            • memory/2768-10-0x0000000000100000-0x0000000000101000-memory.dmp

              Filesize

              4KB

            • memory/2768-8-0x00000000775B0000-0x00000000775B1000-memory.dmp

              Filesize

              4KB

            • memory/2768-7-0x0000000000100000-0x0000000000101000-memory.dmp

              Filesize

              4KB

            • memory/2768-40-0x0000000010000000-0x000000001025F000-memory.dmp

              Filesize

              2.4MB

            • memory/2768-48-0x0000000000E50000-0x000000000189D000-memory.dmp

              Filesize

              10.3MB

            • memory/2768-3-0x0000000000E50000-0x000000000189D000-memory.dmp

              Filesize

              10.3MB

            • memory/2768-1-0x00000000000F0000-0x00000000000F1000-memory.dmp

              Filesize

              4KB