Overview

overview

8

Static

static

3

jjsploit_8...US.msi

windows10-2004-x64

7

jjsploit_8...US.msi

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 11:16

Sharing

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General

  • Target
    jjsploit_8.17.9_x64_en-US.msi
  • Size 6.0MB
  • Sample260705-nc5e4afx4j
  • SHA256 d60041d15a1294a6fb436d20bff8e2cfaffd6b61aeddd504aadd1a35dc7f5ddd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceprivilege_escalationransomwarespyware

Malware Config

Signatures

  • 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
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Program Files directory 21 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 6 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:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\jjsploit_8.17.9_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5496
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 869775AD2913C223A2A00CD7BFE73AE3 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1344
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5172
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1872
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4260
      • 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 FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1940
    • 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:2640
    • 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:3744

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5995bf.rbs
          • Path C:\Config.Msi\e5995bf.rbs
          • Size 21KB
          • SHA256 3167135afd401d812fb8611ba31dd72727d83b1a181a94b9a75d61e391a459c4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          jjsploit.exe
          • Path C:\Program Files\jjsploit\jjsploit.exe
          • Size 17.6MB
          • SHA256 75c45301f7a6632b67934cd30bb08d4c322c55b9e68d2a6edbc5873982cbcbe8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          jjsploit.lnk
          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk
          • Size 1KB
          • SHA256 7cb98c619011b4f5c17b09d19d6a427f1aeab45e90377b7b5fe7a5f1d0208e0f
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          jjsploit.lnk~RFe599e88.TMP
          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\jjsploit\jjsploit.lnk~RFe599e88.TMP
          • Size 1KB
          • SHA256 b6fdcbecb908cb9506ed646496bf471b61b813f3a1d3e25ab46b3b5b3242c2c6
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          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

          MSI3BB7.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI3BB7.tmp
          • Size 132KB
          • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          jjsploit.lnk
          • Path C:\Users\Public\Desktop\jjsploit.lnk
          • Size 999B
          • SHA256 5a6f666adb12d4ced03bf1703557ea84bd17930347d2ebeeb91f6615dbfde282
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          e5995be.msi
          • Path C:\Windows\Installer\e5995be.msi
          • Size 6.0MB
          • SHA256 d60041d15a1294a6fb436d20bff8e2cfaffd6b61aeddd504aadd1a35dc7f5ddd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 4311de591895525b9daca3bfbd9c2cbcad5133093290bd9f330a235f0999e99e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {8e0ee028-004b-4b7c-af51-c606c000cbb2}_OnDiskSnapshotProp
          • Path \??\Volume{0f4b7dd8-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{8e0ee028-004b-4b7c-af51-c606c000cbb2}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 86131b9a148c226805fdc2c43353c4b285555b8a42ffd627de15478697c24fbe
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1940-264-0x0000000002320000-0x0000000002344000-memory.dmp
          Download

          memory/1940-263-0x000000000E080000-0x000000000E14C000-memory.dmp
          Download

          memory/1940-295-0x0000000002320000-0x0000000002344000-memory.dmp
          Download

          memory/2640-91-0x0000012483CA0000-0x0000012483CC0000-memory.dmp
          Download

          memory/2640-88-0x0000012483940000-0x0000012483960000-memory.dmp
          Download

          memory/2640-111-0x0000012495150000-0x0000012495170000-memory.dmp
          Download

          memory/2640-89-0x0000012483E80000-0x0000012483F80000-memory.dmp
          Download

          memory/2640-79-0x00000124801E0000-0x00000124802E0000-memory.dmp
          Download

          memory/2916-58-0x0000029E8F8B0000-0x0000029E90254000-memory.dmp
          Download