Analysis

  • max time kernel
    38s
  • max time network
    48s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-07-2024 17:20

General

  • Target

    software.exe

  • Size

    5.5MB

  • MD5

    1ed6f9d578e14edad0bf47edf1f6269f

  • SHA1

    0e6546d7a7f237a4c094e24810fd4ab29ab6a970

  • SHA256

    83b2f6c63dc3ec6cea64755ce2042ff747d52571daaef8a47934e00378f0afd3

  • SHA512

    7481e391bc9fd0b0a30ca7464847e6ab0bbaa4febb8bfb33407742fd2e90f7fb0d88fd2ab0dc49fa499864e16a234d6f910926944c2a3ce337d614351dccfd60

  • SSDEEP

    98304:zeL9fRCBL/JS6w1PMcf5blPwJp003KOIupEAjlgJHc6:zeL9ROL/Eh/PQbaObEACl

Score
10/10

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Signatures

  • Detect Vidar Stealer 6 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\software.exe
    "C:\Users\Admin\AppData\Local\Temp\software.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1832
    • 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:3564
      • 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\FCGIJDBAFCBA" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4152
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • Delays execution with timeout.exe
          PID:496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1832-29-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-41-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-2-0x0000000005C60000-0x0000000005CFC000-memory.dmp

    Filesize

    624KB

  • memory/1832-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

    Filesize

    4KB

  • memory/1832-4-0x0000000005D00000-0x0000000005DE4000-memory.dmp

    Filesize

    912KB

  • memory/1832-5-0x0000000005AF0000-0x0000000005B0C000-memory.dmp

    Filesize

    112KB

  • memory/1832-11-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-65-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-63-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-66-0x0000000074F90000-0x0000000075741000-memory.dmp

    Filesize

    7.7MB

  • memory/1832-59-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-57-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-55-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-53-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-51-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-49-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-47-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-25-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-43-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-39-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-37-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-35-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-3-0x0000000074F90000-0x0000000075741000-memory.dmp

    Filesize

    7.7MB

  • memory/1832-27-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-45-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-23-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-21-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-19-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-17-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-15-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-9-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-7-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-6-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-61-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-1-0x0000000000B00000-0x000000000107A000-memory.dmp

    Filesize

    5.5MB

  • memory/1832-33-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-31-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-13-0x0000000005AF0000-0x0000000005B05000-memory.dmp

    Filesize

    84KB

  • memory/1832-72-0x0000000074F90000-0x0000000075741000-memory.dmp

    Filesize

    7.7MB

  • memory/3564-69-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/3564-67-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/3564-71-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/3564-73-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/3564-74-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/3564-76-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB