Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20251016-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20251016-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2025, 11:06

General

  • Target
    1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983.exe
  • Size 932KB
  • Sample251106-m7l2kawkfl
  • SHA256 1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983.exe
    "C:\Users\Admin\AppData\Local\Temp\1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:6064
    • C:\Users\Admin\AppData\Local\Temp\1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983.exe
      "C:\Users\Admin\AppData\Local\Temp\1cbf31c6df6f6e4756d5d3a20d8fc0f5a560bc9fc04e791269200c1bd229a983.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_ur3hmxd3.14y.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ur3hmxd3.14y.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/4632-6-0x00000000054D0000-0x00000000054E6000-memory.dmp

        memory/4632-2-0x0000000005100000-0x0000000005192000-memory.dmp

        memory/4632-3-0x0000000005320000-0x0000000005330000-memory.dmp

        memory/4632-4-0x00000000050C0000-0x00000000050CA000-memory.dmp

        memory/4632-5-0x00000000053D0000-0x000000000546C000-memory.dmp

        memory/4632-1-0x0000000005610000-0x0000000005BB4000-memory.dmp

        memory/4632-7-0x0000000005320000-0x0000000005330000-memory.dmp

        memory/4632-8-0x00000000064C0000-0x0000000006576000-memory.dmp

        memory/4632-0-0x00000000005F0000-0x00000000006E0000-memory.dmp

        memory/5788-9-0x0000000000400000-0x000000000046B000-memory.dmp

        memory/5788-11-0x0000000000400000-0x000000000046B000-memory.dmp

        memory/5788-64-0x0000000000400000-0x000000000046B000-memory.dmp

        memory/6064-36-0x0000000005500000-0x0000000005854000-memory.dmp

        memory/6064-51-0x0000000006090000-0x00000000060AE000-memory.dmp

        memory/6064-27-0x0000000004D10000-0x0000000004D76000-memory.dmp

        memory/6064-28-0x0000000005490000-0x00000000054F6000-memory.dmp

        memory/6064-25-0x0000000004DB0000-0x00000000053D8000-memory.dmp

        memory/6064-16-0x0000000000D10000-0x0000000000D46000-memory.dmp

        memory/6064-37-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

        memory/6064-38-0x0000000005B50000-0x0000000005B9C000-memory.dmp

        memory/6064-39-0x000000007EE30000-0x000000007EE40000-memory.dmp

        memory/6064-40-0x0000000006AC0000-0x0000000006AF2000-memory.dmp

        memory/6064-41-0x0000000070D50000-0x0000000070D9C000-memory.dmp

        memory/6064-50-0x0000000000E00000-0x0000000000E10000-memory.dmp

        memory/6064-49-0x0000000000E00000-0x0000000000E10000-memory.dmp

        memory/6064-26-0x0000000004BF0000-0x0000000004C12000-memory.dmp

        memory/6064-52-0x0000000006B00000-0x0000000006BA3000-memory.dmp

        memory/6064-54-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

        memory/6064-53-0x0000000007430000-0x0000000007AAA000-memory.dmp

        memory/6064-55-0x0000000006E50000-0x0000000006E5A000-memory.dmp

        memory/6064-56-0x0000000007060000-0x00000000070F6000-memory.dmp

        memory/6064-57-0x0000000006FE0000-0x0000000006FF1000-memory.dmp

        memory/6064-58-0x0000000007010000-0x000000000701E000-memory.dmp

        memory/6064-59-0x0000000007020000-0x0000000007034000-memory.dmp

        memory/6064-60-0x0000000007120000-0x000000000713A000-memory.dmp

        memory/6064-61-0x0000000007100000-0x0000000007108000-memory.dmp

        memory/6064-15-0x0000000000E00000-0x0000000000E10000-memory.dmp