Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2024, 11:02

General

  • Target

    JJSploit_8.10.14_x64_en-US (1).msi

  • Size

    5.0MB

  • MD5

    9a5e4420fd429b7444e7f02b2b52d0bc

  • SHA1

    056e5ac7ef1334698f4337435985a2d6a52ae059

  • SHA256

    44ef9c095fdc078cad8648bc9ec75f744d2c72229ee427eac65fbc1859e57172

  • SHA512

    7728f89d67bf145106d7c86dd7a1ad27aac74898210bd86d944d7a9111c41fb3df1ab2acab5a4d5bd9cf1a6dd66d9b460368c7994bfbe8807e4c21ae142f8f5e

  • SSDEEP

    98304:461sCoKXIA5gnPoEcXGwMKDHLG/mJhYheaVyvF9bmgDMjPjV+H7nHNjC3v8m:4XCXIkgP7cdPG/05bmgAjPh+7HV

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Powershell Invoke Web Request.

  • 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
  • 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 3 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_8.10.14_x64_en-US (1).msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2848
  • 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:2664
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5CD02227245F0AA432F5D78D56F1DDA2 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2784
    • 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:1132
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2816
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000490" "0000000000000594"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:3032

    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

      c3531b2feef17e6605b42cf421ac2d34

      SHA1

      3c9a072a0239868c892e3d46be6c946d6dd5151c

      SHA256

      3d99bcbab3bfc0b8ff2b942c208d3e912b4e0d2d26f2b3d1fc40c3322bee7d1d

      SHA512

      7827fe467cafbf9b57c44ee4345a287a8d4efe3c780633ff2bbe0ba54d4faa4de8ca01737f5db01eb581c3c0947df7c0f2bd26cb30b98c79c829eab22f0bbbcf

    • C:\Users\Admin\AppData\Local\Temp\MSIF8E0.tmp

      Filesize

      132KB

      MD5

      cfbb8568bd3711a97e6124c56fcfa8d9

      SHA1

      d7a098ae58bdd5e93a3c1b04b3d69a14234d5e57

      SHA256

      7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc

      SHA512

      860cbf3286ac4915580cefaf56a9c3d48938eb08e3f31b7f024c4339c037d7c8bdf16e766d08106505ba535be4922a87dc46bd029aae99a64ea2fc02cf3aec04

    • C:\Windows\Installer\f772701.msi

      Filesize

      5.0MB

      MD5

      9a5e4420fd429b7444e7f02b2b52d0bc

      SHA1

      056e5ac7ef1334698f4337435985a2d6a52ae059

      SHA256

      44ef9c095fdc078cad8648bc9ec75f744d2c72229ee427eac65fbc1859e57172

      SHA512

      7728f89d67bf145106d7c86dd7a1ad27aac74898210bd86d944d7a9111c41fb3df1ab2acab5a4d5bd9cf1a6dd66d9b460368c7994bfbe8807e4c21ae142f8f5e

    • \Program Files\JJSploit\JJSploit.exe

      Filesize

      9.7MB

      MD5

      281a79abb33f10b3f9c6c40c0e165cc3

      SHA1

      ea7bd361ca528f02f0f95c376d844af98105e218

      SHA256

      30f840be1b9249d22c6bdc943d6901ee8723284770be1b7e18ea12a844d91f77

      SHA512

      2f6deba4a2cdba68820dc8a47f20253107a3420a18cf3f0995fa12b434afe41fa6213d392cab2826517b4cf8cf59fceb2083f855531daf9310128754dab7ea1b

    • memory/1132-59-0x000000001B500000-0x000000001B7E2000-memory.dmp

      Filesize

      2.9MB

    • memory/1132-60-0x0000000001E90000-0x0000000001E98000-memory.dmp

      Filesize

      32KB