Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 01:16

General

  • Target

    05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe

  • Size

    283KB

  • MD5

    e1001c8649ac77faeb446d8ff91f50d2

  • SHA1

    c2532c7b108ac61ca439cfd0a7992b26c89dc34b

  • SHA256

    05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

  • SHA512

    a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

  • SSDEEP

    6144:ZORZ5iWXTuglvdAAOFwTE6ybVykLN0C+gpQzmjoqPI1o7JFVn/DbyH0EO:ZQZ5iWZxOeTiVMCxQSjohqtF1yUEO

Malware Config

Extracted

Family

vidar

C2

http://147.45.126.10:80

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe
    "C:\Users\Admin\AppData\Local\Temp\05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3924
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:60
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:3596
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
            • Checks computer location settings
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3608
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\EBGCFBGCBFHJ" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2316
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4004

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1728-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

          Filesize

          4KB

        • memory/1728-1-0x0000000000E60000-0x0000000000EAA000-memory.dmp

          Filesize

          296KB

        • memory/1728-11-0x00000000747E0000-0x0000000074F90000-memory.dmp

          Filesize

          7.7MB

        • memory/1728-12-0x00000000747E0000-0x0000000074F90000-memory.dmp

          Filesize

          7.7MB

        • memory/3608-7-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3608-8-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3608-3-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3608-13-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3608-14-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB