Overview

overview

8

Static

static

5

f850c5e216...5c.exe

windows10-2004-x64

8

f850c5e216...5c.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 11:19

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    f850c5e2165ef115f162e5e3b5dce144e7775ca87a1ba7fedd830c3a8d22955c.exe
  • Size 13.4MB
  • Sample260709-ne55eaat8v
  • SHA256 f850c5e2165ef115f162e5e3b5dce144e7775ca87a1ba7fedd830c3a8d22955c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\f850c5e2165ef115f162e5e3b5dce144e7775ca87a1ba7fedd830c3a8d22955c.exe
    "C:\Users\Admin\AppData\Local\Temp\f850c5e2165ef115f162e5e3b5dce144e7775ca87a1ba7fedd830c3a8d22955c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\f850c5e2165ef115f162e5e3b5dce144e7775ca87a1ba7fedd830c3a8d22955c.exe
      C:\Users\Admin\AppData\Local\Temp\f850c5e2165ef115f162e5e3b5dce144e7775ca87a1ba7fedd830c3a8d22955c.exe 46053F0559055005760560057705760559054405610568056C056B0559054405750575054105640571056405590557056A05640568056C056B05620559055205570547054005570552054B054005520559054A055605350531055705370576053605430576055A0530055C0534053D0563055905770549053405350537053D054705--a\k\`
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3248
      • C:\Users\Admin\AppData\Roaming\WRBERWNEW\OS04R2s3Fs_5Y18f\rL1028B.exe
        "C:\Users\Admin\AppData\Roaming\WRBERWNEW\OS04R2s3Fs_5Y18f\rL1028B.exe"
        3⤵
        • Adds policy Run key to start application
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3736
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5672
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4104
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1524
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:6008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        rL1028B.exe
        • Path C:\Users\Admin\AppData\Roaming\WRBERWNEW\OS04R2s3Fs_5Y18f\rL1028B.exe
        • Size 13KB
        • SHA256 bb8284bb92f934d3bb9711450ad66a22f1795c68ceb0af3fd5b2fd7535e9e5ec
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rL1028B.txt
        • Path C:\Users\Admin\AppData\Roaming\WRBERWNEW\OS04R2s3Fs_5Y18f\rL1028B.txt
        • Size 143B
        • SHA256 4e5b6d623d84967294d107bc7a4a3ad4b1c72cb4b4c0ca267ec54604ce89c732
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        vjsc.dll
        • Path C:\Windows\vjsc.dll
        • Size 3.0MB
        • SHA256 b16f0447a4db1fa0164a1934decf017f557f3a7186a324654b39f51b6b6a35b8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1524-34-0x0000024F06590000-0x0000024F06690000-memory.dmp
        Download

        memory/1524-47-0x0000024F07DF0000-0x0000024F07E10000-memory.dmp
        Download

        memory/1524-85-0x0000024F1A630000-0x0000024F1A650000-memory.dmp
        Download

        memory/1524-50-0x0000024F1A290000-0x0000024F1A390000-memory.dmp
        Download

        memory/1524-58-0x0000024F0A0B0000-0x0000024F0A0D0000-memory.dmp
        Download

        memory/1524-35-0x0000024F06590000-0x0000024F06690000-memory.dmp
        Download

        memory/1524-36-0x0000024F06590000-0x0000024F06690000-memory.dmp
        Download

        memory/3736-13-0x0000000000C20000-0x0000000000C21000-memory.dmp
        Download

        memory/3736-32-0x0000000002940000-0x0000000002A27000-memory.dmp
        Download

        memory/3736-20-0x0000000004350000-0x000000000456C000-memory.dmp
        Download

        memory/3736-24-0x0000000004B50000-0x0000000004CC5000-memory.dmp
        Download

        memory/3736-26-0x0000000004E40000-0x0000000004F2B000-memory.dmp
        Download

        memory/3736-28-0x00000000045A0000-0x00000000045A1000-memory.dmp
        Download

        memory/3736-29-0x0000000004350000-0x000000000456C000-memory.dmp
        Download

        memory/3736-30-0x0000000004810000-0x0000000004862000-memory.dmp
        Download

        memory/3736-31-0x0000000010000000-0x0000000010068000-memory.dmp
        Download

        memory/3736-19-0x0000000004350000-0x000000000456C000-memory.dmp
        Download

        memory/3736-18-0x0000000002940000-0x0000000002A27000-memory.dmp
        Download

        memory/3736-12-0x0000000010000000-0x0000000010068000-memory.dmp
        Download

        memory/3736-16-0x0000000002940000-0x0000000002A27000-memory.dmp
        Download

        memory/3736-14-0x0000000002940000-0x0000000002A27000-memory.dmp
        Download

        memory/3736-153-0x0000000004350000-0x000000000456C000-memory.dmp
        Download

        memory/3736-15-0x0000000010000000-0x0000000010068000-memory.dmp
        Download

        memory/3736-10-0x0000000000C10000-0x0000000000C11000-memory.dmp
        Download

        memory/3736-11-0x0000000000B30000-0x0000000000B31000-memory.dmp
        Download

        memory/3736-9-0x0000000010000000-0x0000000010068000-memory.dmp
        Download

        memory/6008-220-0x0000016C97000000-0x0000016C97434000-memory.dmp
        Download