Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2024, 13:14

General

  • Target
    631acc4c860b0628e08895af0c2c9dd0c7af17f32da4cd1e2e22e85a1f534907.exe
  • Size 224KB
  • Sample240402-qgnn9abc38
  • SHA256 631acc4c860b0628e08895af0c2c9dd0c7af17f32da4cd1e2e22e85a1f534907
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 8.6

Botnet
  • debff3f4f38e9beeaf8e215a762c8549

C2
  • https://steamcommunity.com/profiles/76561199658817715

  • https://t.me/sa9ok

Attributes
  • profile_id_v2

    debff3f4f38e9beeaf8e215a762c8549

  • 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\631acc4c860b0628e08895af0c2c9dd0c7af17f32da4cd1e2e22e85a1f534907.exe
    "C:\Users\Admin\AppData\Local\Temp\631acc4c860b0628e08895af0c2c9dd0c7af17f32da4cd1e2e22e85a1f534907.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 2272
          3⤵
          • Program crash
          PID:4992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 868
        2⤵
        • Program crash
        PID:2444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2484 -ip 2484
      1⤵
        PID:552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4596 -ip 4596
        1⤵
          PID:3448

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/2484-0-0x0000000000520000-0x000000000055A000-memory.dmp

              memory/2484-1-0x0000000074EC0000-0x0000000075670000-memory.dmp

              memory/2484-10-0x00000000029E0000-0x00000000049E0000-memory.dmp

              memory/2484-11-0x0000000074EC0000-0x0000000075670000-memory.dmp

              memory/4596-4-0x0000000000400000-0x0000000000644000-memory.dmp

              memory/4596-7-0x0000000000400000-0x0000000000644000-memory.dmp

              memory/4596-9-0x0000000000400000-0x0000000000644000-memory.dmp