Analysis

  • max time kernel
    138s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 18:08

General

  • Target

    fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe

  • Size

    5.2MB

  • MD5

    0891d36dd26059e8a74ada84fd9885e5

  • SHA1

    743f9e888626f1313ef387e4fe4d16c86f092ef9

  • SHA256

    fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674

  • SHA512

    874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782

  • SSDEEP

    98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j

Malware Config

Extracted

Family

vidar

Version

10.5

Botnet

3a901b2c4dd248059af72250cf07aba7

C2

https://t.me/s41l0

https://steamcommunity.com/profiles/76561199743486170

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 6 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
    "C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:3448
      • 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:3472
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AAKEGDAKEHJD" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:4256

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3472-69-0x0000000000400000-0x0000000000640000-memory.dmp

      Filesize

      2.2MB

    • memory/3472-138-0x0000000000400000-0x0000000000640000-memory.dmp

      Filesize

      2.2MB

    • memory/3472-132-0x0000000000400000-0x0000000000640000-memory.dmp

      Filesize

      2.2MB

    • memory/3472-86-0x0000000000400000-0x0000000000640000-memory.dmp

      Filesize

      2.2MB

    • memory/3472-72-0x0000000000400000-0x0000000000640000-memory.dmp

      Filesize

      2.2MB

    • memory/3472-67-0x0000000000400000-0x0000000000640000-memory.dmp

      Filesize

      2.2MB

    • memory/4660-42-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-36-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-66-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-64-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-6-0x00000000059E0000-0x00000000059FC000-memory.dmp

      Filesize

      112KB

    • memory/4660-5-0x0000000005DF0000-0x0000000005F1A000-memory.dmp

      Filesize

      1.2MB

    • memory/4660-71-0x0000000074B50000-0x0000000075300000-memory.dmp

      Filesize

      7.7MB

    • memory/4660-62-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-60-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-56-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-55-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-52-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-50-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-48-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-46-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-44-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

      Filesize

      4KB

    • memory/4660-40-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-38-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-14-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-34-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-4-0x0000000005C70000-0x0000000005DF0000-memory.dmp

      Filesize

      1.5MB

    • memory/4660-32-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-30-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-28-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-26-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-24-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-20-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-18-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-16-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-59-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-12-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-10-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-22-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-8-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-7-0x00000000059E0000-0x00000000059F5000-memory.dmp

      Filesize

      84KB

    • memory/4660-3-0x0000000074B50000-0x0000000075300000-memory.dmp

      Filesize

      7.7MB

    • memory/4660-2-0x0000000005BD0000-0x0000000005C6C000-memory.dmp

      Filesize

      624KB

    • memory/4660-1-0x0000000000B50000-0x0000000001084000-memory.dmp

      Filesize

      5.2MB