Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2024, 10:59

General

  • Target

    file.exe

  • Size

    234KB

  • MD5

    d0492d61a010c75b69a21b31761ac655

  • SHA1

    0168759aebd253fed1dd89a44d260f6eadc94a2d

  • SHA256

    58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff

  • SHA512

    e4552a5bcf7f6b7911a87873d6d168d44f4ab0f351c822b5ec3b14b5db359ce0fadecac7bc032111197243b79047cbe1203e4fa9afc558c9f9e2a0ecb28eb52d

  • SSDEEP

    6144:AhAZ0mc86LHVUCAlfzHORKOrfIrIEgcNxHookuvxNimwE5R:ImcJLHVpAl7o3rfwrYt+7/r

Score
10/10

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 2108
          3⤵
          • Program crash
          PID:1068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 876
        2⤵
        • Program crash
        PID:4004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 688 -ip 688
      1⤵
        PID:1688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 452 -ip 452
        1⤵
          PID:4708

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/452-4-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/452-7-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/452-10-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/688-0-0x0000000000550000-0x000000000058C000-memory.dmp

                Filesize

                240KB

              • memory/688-1-0x0000000075040000-0x00000000757F0000-memory.dmp

                Filesize

                7.7MB

              • memory/688-9-0x0000000002AE0000-0x0000000004AE0000-memory.dmp

                Filesize

                32.0MB

              • memory/688-12-0x0000000075040000-0x00000000757F0000-memory.dmp

                Filesize

                7.7MB