Analysis

  • max time kernel
    97s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 14:11

General

  • Target

    42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe

  • Size

    323KB

  • MD5

    34f45d20fef7dd9c8e8d7f5b9d5fa6a7

  • SHA1

    4270a1cf22a0183d772bf143bec8a81b8b4ac51e

  • SHA256

    42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74

  • SHA512

    11a4e65e08a6f948336971e612f859429c4c58c6443ba85fc3b7a5165040bde57555c596a8c0322cd71b8e1fa3758dd7f6a247de5197b32212d9a90c37fe2410

  • SSDEEP

    6144:bspY93m4ezZF197TvhhFUJi7AuRQ1zkIFZQRhtinsoCiiEI+:bWym4ezxLhKAkuRQtkIjQRGns2iEz

Malware Config

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe
    "C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe
      "C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe"
      2⤵
        PID:3036
      • C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe
        "C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.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:4912
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74.exe" & rd /s /q "C:\ProgramData\89000ZCJ5XBI" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1396
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2328-0-0x000000000024B000-0x000000000024C000-memory.dmp

      Filesize

      4KB

    • memory/4912-3-0x0000000000400000-0x0000000000639000-memory.dmp

      Filesize

      2.2MB

    • memory/4912-4-0x0000000000220000-0x0000000000277000-memory.dmp

      Filesize

      348KB

    • memory/4912-2-0x0000000000400000-0x0000000000639000-memory.dmp

      Filesize

      2.2MB

    • memory/4912-1-0x0000000000400000-0x0000000000639000-memory.dmp

      Filesize

      2.2MB

    • memory/4912-11-0x0000000000400000-0x0000000000639000-memory.dmp

      Filesize

      2.2MB

    • memory/4912-12-0x0000000000400000-0x0000000000639000-memory.dmp

      Filesize

      2.2MB