Overview

overview

7

Static

static

3

docusign_setup.msi

windows10-2004-x64

7

docusign_setup.msi

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 12:33

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General

  • Target
    docusign_setup.msi
  • Size 6.8MB
  • Sample260816-prb8jadc85
  • SHA256 34169aeb9ad63def6ed26b1af45112e0aed4ad37ba3659637b9693949710cda2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasionexecutionpersistenceprivilege_escalationransomware

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • 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 1 IoCs
  • Drops file in Windows directory 41 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • 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\docusign_setup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4900
  • 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:4848
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2080
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:5768
    • C:\Program Files\WinGuardService\WinGuardService.exe
      "C:\Program Files\WinGuardService\WinGuardService.exe" --service
      1⤵
      • Executes dropped EXE
      PID:2556
    • C:\Program Files\WinGuardService\WinGuardService.exe
      "C:\Program Files\WinGuardService\WinGuardService.exe" --service
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5448
      • C:\Program Files\WinGuardService\WinGuardService.exe
        "C:\Program Files\WinGuardService\WinGuardService.exe" --server
        2⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5552
        • C:\Windows\system32\cmd.exe
          "cmd" /c "taskkill /F /IM RuntimeBroker_WinSafeService.exe"
          3⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3536
          • C:\Windows\System32\taskkill.exe
            taskkill /F /IM RuntimeBroker_WinSafeService.exe
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:5636

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e599206.rbs
          • Path C:\Config.Msi\e599206.rbs
          • Size 7KB
          • SHA256 11fbe32c00cf2d03a8198850e9c074d352eec482b538df2bb5cffe243de778b7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          WinGuardService.exe
          • Path C:\Program Files\WinGuardService\WinGuardService.exe
          • Size 23.0MB
          • SHA256 4ee903005423d817a4c709e5b9253d49b074a1f62f2696606ea1d07539d7a5e1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e599205.msi
          • Path C:\Windows\Installer\e599205.msi
          • Size 6.8MB
          • SHA256 34169aeb9ad63def6ed26b1af45112e0aed4ad37ba3659637b9693949710cda2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          WinDeskConsole2.toml
          • Path C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\WinDeskConsole\config\WinDeskConsole2.toml
          • Size 924B
          • SHA256 5276a33cf2f1795165e92365181d7749af6210ec8def77c9fc27eb95bba057eb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 d0a2c0a295bc7386c21c0fee0c4def09cdf55c0ed49c6d09c887229dedaac014
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {f165a969-391a-476c-af0b-fe8db5088031}_OnDiskSnapshotProp
          • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f165a969-391a-476c-af0b-fe8db5088031}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 c1ae87d8b36513b36b6a545ea8dc9ef83d766360b438d9befa5d102aca6f6c74
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download