Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-07-2024 22:49

General

  • Target

    ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe

  • Size

    4.4MB

  • MD5

    29f470795ad53bdfdfc5038a32f5783f

  • SHA1

    f5a17e20f827ca128e40a68d81f88c069f5d625d

  • SHA256

    ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13

  • SHA512

    52c560920389b9ec273394bac9d0bf89950a377b5eace69b2c49181f8493de75b7a42e3594836c3b305a17f5e1b18f6acc1f14170a7b3483dedc34599748f2c5

  • SSDEEP

    98304:09q6YNqHsTuAaG3BcibY3FbxOEhDV901rC:0o6YNqHsyBkBpY3F4IV9T

Score
10/10

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe
    "C:\Users\Admin\AppData\Local\Temp\ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2540
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2604
        • 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\MSBuild.exe" & rd /s /q "C:\ProgramData\CFHDHIJDGCBA" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1656
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1868-21-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-25-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-2-0x00000000003E0000-0x00000000003EA000-memory.dmp

      Filesize

      40KB

    • memory/1868-45-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-5-0x0000000000630000-0x000000000064C000-memory.dmp

      Filesize

      112KB

    • memory/1868-4-0x0000000004D00000-0x0000000004E6E000-memory.dmp

      Filesize

      1.4MB

    • memory/1868-66-0x0000000074A80000-0x000000007516E000-memory.dmp

      Filesize

      6.9MB

    • memory/1868-65-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-63-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-6-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-48-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-7-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-43-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-61-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-59-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-58-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-55-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-53-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-51-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-49-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-81-0x0000000074A80000-0x000000007516E000-memory.dmp

      Filesize

      6.9MB

    • memory/1868-3-0x0000000074A80000-0x000000007516E000-memory.dmp

      Filesize

      6.9MB

    • memory/1868-9-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-41-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-39-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-37-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-35-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-33-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-31-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-29-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-27-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-1-0x0000000000D10000-0x000000000117E000-memory.dmp

      Filesize

      4.4MB

    • memory/1868-23-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/1868-19-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-17-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-15-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-13-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/1868-11-0x0000000000630000-0x0000000000645000-memory.dmp

      Filesize

      84KB

    • memory/2604-68-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/2604-80-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/2604-69-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/2604-82-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/2604-85-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB