Resubmissions

30-11-2024 05:05

241130-fq1p3ayken 8

15-11-2024 21:39

241115-1hzs1ssgnf 8

Analysis

  • max time kernel
    33s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 21:39

General

  • Target

    JJSploit_8.10.10_x64_en-US.msi

  • Size

    5.0MB

  • MD5

    8cb1e85b5723e3d186cc1742b6c71122

  • SHA1

    f4638a9849b2bea46c8120930c7727cfae70b4d2

  • SHA256

    f1db224af0f14b971ba8be3e33482322b2f821695a4bbe2782b956217da383ad

  • SHA512

    b447f7b4e6590120ed50eaad798b271e7ebbe52ad61dbe5e621e0c99a6314fbcfd10ce8e6f837a7ca76e1084651c65dcb0eafcdac6cce6eebe2d1729249add5b

  • SSDEEP

    98304:6jmBVvK7NEfE6nal/6r5mzaB325gGiU9fh8ztt8xuvuUnm18uHwCEtFW+VAv8m:srNEfulImzfh8IquKq8uA

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_8.10.10_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1776
  • 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:3000
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F8B296A81504AD2E2571DDD9270086DF C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2772
    • 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:2864
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2736
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005C4" "0000000000000540"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:2656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      5fef13e7edc171eaafde19cdff2c42ee

      SHA1

      1802ba31ebadcdfda9198437510f8bdcf807a14c

      SHA256

      917ed055efaef3b206691e348af588c022a4eeda1e28b96e8f2dc935593b7587

      SHA512

      eef053f7b4360dca4319c7577fd4e25c2614138a1b7a2c23a2991a2878ea5badb6b531b1a39f2e43f35e8c53f513dc7c3d288b8dcd25d95c52d7a531c65988ac

    • C:\Users\Admin\AppData\Local\Temp\MSIE4A4.tmp

      Filesize

      132KB

      MD5

      cfbb8568bd3711a97e6124c56fcfa8d9

      SHA1

      d7a098ae58bdd5e93a3c1b04b3d69a14234d5e57

      SHA256

      7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc

      SHA512

      860cbf3286ac4915580cefaf56a9c3d48938eb08e3f31b7f024c4339c037d7c8bdf16e766d08106505ba535be4922a87dc46bd029aae99a64ea2fc02cf3aec04

    • C:\Windows\Installer\f77084a.msi

      Filesize

      5.0MB

      MD5

      8cb1e85b5723e3d186cc1742b6c71122

      SHA1

      f4638a9849b2bea46c8120930c7727cfae70b4d2

      SHA256

      f1db224af0f14b971ba8be3e33482322b2f821695a4bbe2782b956217da383ad

      SHA512

      b447f7b4e6590120ed50eaad798b271e7ebbe52ad61dbe5e621e0c99a6314fbcfd10ce8e6f837a7ca76e1084651c65dcb0eafcdac6cce6eebe2d1729249add5b

    • \Program Files\JJSploit\JJSploit.exe

      Filesize

      9.7MB

      MD5

      8c6a8bfd1adf6ccdfe9b65b514479ec7

      SHA1

      08f64d25974040ade826f0c79fd638c6a67627c1

      SHA256

      097eb40a9a1572788272298f48748e80053c9e83f2734387728ea689afc9bfa4

      SHA512

      8ca0ff01add66e8a5fc7db5cbee09fdf2aeda2026c7787370d6d8831c86b504bd50c587bea8ef32fb57f44ea4d9366d456fa071c30ae85708326529cb2800791

    • memory/2864-63-0x000000001B650000-0x000000001B932000-memory.dmp

      Filesize

      2.9MB

    • memory/2864-64-0x0000000002050000-0x0000000002058000-memory.dmp

      Filesize

      32KB