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Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 14:48

General

  • Target

    207fb4aeffd47811049fe5c6366f09f70b859c6987883dcd9244a915af91a342.exe

  • Size

    4.4MB

  • MD5

    4a8099ca44ad78fa5414bab4f54ba030

  • SHA1

    ad1e9ee328d7eb870ebdaf9cf592a183f838f459

  • SHA256

    207fb4aeffd47811049fe5c6366f09f70b859c6987883dcd9244a915af91a342

  • SHA512

    b1f905210d372c8352c07ea6c27bd71f12f7ee3a1e40375925bc6cb295b08d07d5bd9407e4da6e7d303a0951fb19e060a652951bfdf67f1151f19720e8698d03

  • SSDEEP

    49152:0fhvX07qcsIUv5z95W+diSQJAoCWFf4z6X5MS/tl3odglPCpgVS84OH:+hc7qcvWzE4OX53C+V5r

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 6 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\207fb4aeffd47811049fe5c6366f09f70b859c6987883dcd9244a915af91a342.exe
    "C:\Users\Admin\AppData\Local\Temp\207fb4aeffd47811049fe5c6366f09f70b859c6987883dcd9244a915af91a342.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:224
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:216
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
            PID:2656
          • 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:4092
            • 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\FCAFIJJJKEGI" & exit
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4816
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:1052

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3040-47-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-25-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-2-0x00000000059E0000-0x0000000005A7C000-memory.dmp

          Filesize

          624KB

        • memory/3040-3-0x0000000001980000-0x000000000198A000-memory.dmp

          Filesize

          40KB

        • memory/3040-4-0x0000000074640000-0x0000000074DF0000-memory.dmp

          Filesize

          7.7MB

        • memory/3040-5-0x0000000003360000-0x000000000342E000-memory.dmp

          Filesize

          824KB

        • memory/3040-6-0x0000000003450000-0x0000000003458000-memory.dmp

          Filesize

          32KB

        • memory/3040-7-0x0000000005AF0000-0x0000000005B0C000-memory.dmp

          Filesize

          112KB

        • memory/3040-15-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-37-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-8-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-72-0x0000000074640000-0x0000000074DF0000-memory.dmp

          Filesize

          7.7MB

        • memory/3040-9-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-67-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-65-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-45-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-59-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-57-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-55-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-53-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-52-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-49-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-1-0x0000000000AC0000-0x0000000000F26000-memory.dmp

          Filesize

          4.4MB

        • memory/3040-63-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-17-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-41-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-39-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-35-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-33-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-31-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-29-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-11-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-27-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-61-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-0-0x000000007464E000-0x000000007464F000-memory.dmp

          Filesize

          4KB

        • memory/3040-23-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-21-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-19-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-43-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/3040-13-0x0000000005AF0000-0x0000000005B05000-memory.dmp

          Filesize

          84KB

        • memory/4092-73-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4092-68-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4092-70-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4092-74-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4092-75-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4092-77-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB