Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 23:11

General

  • Target

    JJSploit_8.10.15_x64_en-US.msi

  • Size

    5.1MB

  • MD5

    cc9626b9eb05fcc4f0a12616e2c23504

  • SHA1

    70ef30a35c8cd3cf2dbaff4dcdf47c33fedbec85

  • SHA256

    f468617180d78e999eaed9139fef635874f0cb791d1ceb6642a364d7d366a32f

  • SHA512

    5ad2999acec2f2161582c973366592b035dd52d167d8d7e3d1358ad75ec4bf7a74b5c4f06cf51110227498a1881f67970b5a1d1e0adeb7b1c901bcd259fbac3d

  • SSDEEP

    98304:GbGNUrEtdzbkOQYaDaAtmtcljz7hZW79bQPUxpoxssPMSBvDl0CxLzKWa8v8m:21mdbkruAt38bQPKo+sPBvB0eLzKWa

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 23 IoCs
  • Drops file in Windows directory 12 IoCs
  • Loads dropped DLL 7 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\JJSploit_8.10.15_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2020
  • 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
    • Loads dropped DLL
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 96A76E278E4D81058C24B7C0DC51A7BA C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1488
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -windowstyle hidden try { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 } catch {}; Invoke-WebRequest -Uri "https://go.microsoft.com/fwlink/p/?LinkId=2124703" -OutFile "$env:TEMP\MicrosoftEdgeWebview2Setup.exe" ; Start-Process -FilePath "$env:TEMP\MicrosoftEdgeWebview2Setup.exe" -ArgumentList ('/silent', '/install') -Wait
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2916
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2688
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005E4" "00000000000005B4"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:2620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\JJSploit\JJSploit.lnk

      Filesize

      1KB

      MD5

      f38bf8bbaaebe5238b25fc5ae47c5463

      SHA1

      fe4244657df25703c43b572dfe68972b2e1ed5a9

      SHA256

      f41f5973936640caa2e632be5e5701969ca0d457f4e82ee1c20c5391a33a86b9

      SHA512

      7d3fee62e380f139602bbfc6a399c0ed1684ac4f0bddb33764d2277c76306680db98ed7e878db2f2395ca2daeab8f927ef9c0a9128f5ff4181d6039fe4c5872b

    • C:\Users\Admin\AppData\Local\Temp\MSI10A.tmp

      Filesize

      132KB

      MD5

      cfbb8568bd3711a97e6124c56fcfa8d9

      SHA1

      d7a098ae58bdd5e93a3c1b04b3d69a14234d5e57

      SHA256

      7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc

      SHA512

      860cbf3286ac4915580cefaf56a9c3d48938eb08e3f31b7f024c4339c037d7c8bdf16e766d08106505ba535be4922a87dc46bd029aae99a64ea2fc02cf3aec04

    • C:\Windows\Installer\f773312.msi

      Filesize

      5.1MB

      MD5

      cc9626b9eb05fcc4f0a12616e2c23504

      SHA1

      70ef30a35c8cd3cf2dbaff4dcdf47c33fedbec85

      SHA256

      f468617180d78e999eaed9139fef635874f0cb791d1ceb6642a364d7d366a32f

      SHA512

      5ad2999acec2f2161582c973366592b035dd52d167d8d7e3d1358ad75ec4bf7a74b5c4f06cf51110227498a1881f67970b5a1d1e0adeb7b1c901bcd259fbac3d

    • \Program Files\JJSploit\JJSploit.exe

      Filesize

      10.2MB

      MD5

      f9765d4273a57fbb90cab8b829e571b2

      SHA1

      8a425d81b9d9991f8e11b6fbce0cf5eeb0db8469

      SHA256

      8d0ba9f46379e110b137dddc8a6f9f97a07288435521babfb22fb8fe170f2e23

      SHA512

      e0bb36d54fca40423f0aa42437e8bd1e85b9c73acb2e2ac57592785cf86f8ed2bb920ca6665399c361ffdd0934dc25b01afd666ed81e7a3c378ce836164a47ca

    • memory/2916-59-0x000000001B7A0000-0x000000001BA82000-memory.dmp

      Filesize

      2.9MB

    • memory/2916-60-0x0000000001D90000-0x0000000001D98000-memory.dmp

      Filesize

      32KB