Overview

overview

6

Static

static

1

winzip77.exe

windows10-2004-x64

5

winzip77.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    901s
  • max time network
    905s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 05:42

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General

  • Target
    winzip77.exe
  • Size 24.0MB
  • Sample260924-gd43dsfb86
  • SHA256 2adc969629f9a0eddec7bdfce2c5a408c5297e6d36fa75f2737d282776c63b2a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarediscoverypersistenceransomwarespyware

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\winzip77.exe
    "C:\Users\Admin\AppData\Local\Temp\winzip77.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Users\Admin\AppData\Local\Temp\e594a6d\winzip77.exe
      run=1 shortcut="C:\Users\Admin\AppData\Local\Temp\winzip77.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 1844
        3⤵
        • Program crash
        PID:6056
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1800 -ip 1800
    1⤵
      PID:3896
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2700
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5852
        • 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:3524
      • 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:3492
      • 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:5376
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:5512

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              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 607B
              • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
              • 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

              winzip77.exe
              • Path C:\Users\Admin\AppData\Local\Temp\e594a6d\winzip77.exe
              • Size 24.0MB
              • SHA256 2adc969629f9a0eddec7bdfce2c5a408c5297e6d36fa75f2737d282776c63b2a
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              Load.html
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\Load.html
              • Size 2KB
              • SHA256 b543849e4d30dc9401b7959e5c20eb6067cbc0eabab4e51b09a0190b5f41e51d
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              common.css
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\common\css\common.css
              • Size 2KB
              • SHA256 1a5a7ee8546d2e278207b185c400033670138173a03cba2a972eacf8ee0955f2
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              common.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\common\js\common.js
              • Size 49KB
              • SHA256 ebf687f4ef74fc4ac6e0f7594fed588daf7a11306e927db40d28b888d95781a4
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              external.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\common\js\external.js
              • Size 36B
              • SHA256 25df7ab9509d4e8760f1fdc99684e0e72aac6e885cbdd3396febc405ea77e7f6
              • MD5 SHA1 SHA512
              Submit Download

              jquery-1.11.2.min.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\common\js\jquery-1.11.2.min.js
              • Size 93KB
              • SHA256 a271a3f9e3cae897ced669d6652699e947928ef095e56384c4f9dd04bbb942ec
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              config.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\config\config.js
              • Size 6KB
              • SHA256 d391eccaac266ce54fe4f42ee3da422055cf44d470f916e59458139be9d607e4
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              installerlist.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\config\installerlist.js
              • Size 2KB
              • SHA256 df2f68a1db705dc49b25faf1c04d69e84e214142389898110f6abb821a980dcc
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              installparams.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\config\installparams.js
              • Size 591B
              • SHA256 f321e9c901ea47ab7a46242bbd9c92af6b4894a8d80890614880e6df5b60dcea
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              stubparams.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\config\stubparams.js
              • Size 47KB
              • SHA256 bcd40c848343a12f64e4283382d21bab3b0cee68483340886129989f3a45f8cf
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              features.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\pages\Initialization\features.js
              • Size 506B
              • SHA256 cba5152c525188a27394b48761362a9e119ef3d79761358a1e42c879c2fe08cc
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              page.css
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\pages\Initialization\page.css
              • Size 66B
              • SHA256 cd804f5b34e9f8d0a7b085a0d9337b864e83d286b1408210343997f029fcc628
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              page.html
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\pages\Initialization\page.html
              • Size 2KB
              • SHA256 fc96e46c0a0c8c604668115034c226e825b1243cd98fcb161e6ee41a12ac1b60
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              page.js
              • Path C:\Users\Admin\AppData\Local\Temp\e594df7\pages\Initialization\page.js
              • Size 2KB
              • SHA256 0135163476d0eb025e0b26e9d6b673730b76b61d3fd7c8ffcd064fc2c0c0682a
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/3492-186-0x000002AA001E0000-0x000002AA002E0000-memory.dmp
              Download

              memory/3492-193-0x000002AA02E30000-0x000002AA02F30000-memory.dmp
              Download

              memory/3492-188-0x000002AA001E0000-0x000002AA002E0000-memory.dmp
              Download

              memory/3492-232-0x000002AA141D0000-0x000002AA141F0000-memory.dmp
              Download

              memory/3492-187-0x000002AA001E0000-0x000002AA002E0000-memory.dmp
              Download

              memory/3492-196-0x000002AA02DF0000-0x000002AA02E10000-memory.dmp
              Download

              memory/3492-192-0x000002AA02A30000-0x000002AA02A50000-memory.dmp
              Download

              memory/3524-356-0x000000000A650000-0x000000000A8AF000-memory.dmp
              Download

              memory/5376-357-0x000001208ED20000-0x000001208EFDC000-memory.dmp
              Download

              memory/5376-374-0x000001208ED20000-0x000001208EFDC000-memory.dmp
              Download