Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 01:45

General

  • Target

    9ce8c75892fbdc4793558467d98e05b17459cdce4078b0fb7c270495d195d747.exe

  • Size

    422KB

  • MD5

    03750d84804cd05a1e7366dd52e67f71

  • SHA1

    c64e12d70a131e168d54e4074c3a11668779381d

  • SHA256

    9ce8c75892fbdc4793558467d98e05b17459cdce4078b0fb7c270495d195d747

  • SHA512

    bcffeebef54e05fac8b7ef3c8d491a686c8de0f5a00f8bf94f9486fb5091e1a916bc491256bf58a6751f9d128c4d9148bad97a3d459976862f26104d6988e4f7

  • SSDEEP

    6144:29KDb7RpkvFCCTnOPivspTpwlHe6EiZ1gFrzTt8ceX7seXztApIvejJXcxQC:zb7RpkMCsppwlRgFXG9XdtOp5ciC

Score
10/10

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199677575543

https://t.me/snsb82

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Signatures

  • Detect Vidar Stealer 4 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ce8c75892fbdc4793558467d98e05b17459cdce4078b0fb7c270495d195d747.exe
    "C:\Users\Admin\AppData\Local\Temp\9ce8c75892fbdc4793558467d98e05b17459cdce4078b0fb7c270495d195d747.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 2124
          3⤵
          • Program crash
          PID:1484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 392 -ip 392
      1⤵
        PID:5020

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/392-0-0x0000000000400000-0x000000000064A000-memory.dmp

        Filesize

        2.3MB

      • memory/392-6-0x0000000000400000-0x000000000064A000-memory.dmp

        Filesize

        2.3MB

      • memory/392-4-0x0000000000400000-0x000000000064A000-memory.dmp

        Filesize

        2.3MB

      • memory/1900-1-0x0000000000E30000-0x0000000000E9E000-memory.dmp

        Filesize

        440KB