Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2025, 14:06

General

  • Target
    20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe
  • Size 1.0MB
  • Sample250207-reqlhatlev
  • SHA256 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364
  • 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.

  • 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 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe
    "C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDkjAPbgHcL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDkjAPbgHcL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD95.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3552
    • C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe
      "C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2160

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_5hwytemz.x00.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5hwytemz.x00.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpAD95.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpAD95.tmp
        • Size 1KB
        • SHA256 ed9b723d9a80f98ec177b0807c9712f3f5dbc317fab57c20cfa7b2ac3bb3c200
        • MD5 SHA1 SHA512

        memory/2052-20-0x0000000005560000-0x0000000005582000-memory.dmp

        memory/2052-40-0x0000000006030000-0x0000000006384000-memory.dmp

        memory/2052-70-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2052-67-0x0000000007B60000-0x0000000007B68000-memory.dmp

        memory/2052-66-0x0000000007B80000-0x0000000007B9A000-memory.dmp

        memory/2052-65-0x0000000007A80000-0x0000000007A94000-memory.dmp

        memory/2052-64-0x0000000007A70000-0x0000000007A7E000-memory.dmp

        memory/2052-63-0x0000000007A40000-0x0000000007A51000-memory.dmp

        memory/2052-62-0x0000000007AC0000-0x0000000007B56000-memory.dmp

        memory/2052-15-0x0000000002C30000-0x0000000002C66000-memory.dmp

        memory/2052-16-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2052-17-0x00000000055F0000-0x0000000005C18000-memory.dmp

        memory/2052-61-0x00000000078B0000-0x00000000078BA000-memory.dmp

        memory/2052-19-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2052-60-0x0000000007840000-0x000000000785A000-memory.dmp

        memory/2052-28-0x0000000005FC0000-0x0000000006026000-memory.dmp

        memory/2052-27-0x0000000005E50000-0x0000000005EB6000-memory.dmp

        memory/2052-34-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2052-59-0x0000000007E80000-0x00000000084FA000-memory.dmp

        memory/2052-58-0x00000000076E0000-0x0000000007783000-memory.dmp

        memory/2052-57-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

        memory/2052-56-0x0000000006AC0000-0x0000000006ADE000-memory.dmp

        memory/2052-46-0x0000000075520000-0x000000007556C000-memory.dmp

        memory/2052-42-0x0000000006510000-0x000000000652E000-memory.dmp

        memory/2052-43-0x0000000006560000-0x00000000065AC000-memory.dmp

        memory/2052-44-0x000000007FB90000-0x000000007FBA0000-memory.dmp

        memory/2052-45-0x0000000006AE0000-0x0000000006B12000-memory.dmp

        memory/2160-29-0x0000000000400000-0x0000000000460000-memory.dmp

        memory/2160-71-0x0000000000400000-0x0000000000460000-memory.dmp

        memory/2160-37-0x0000000000400000-0x0000000000460000-memory.dmp

        memory/2416-9-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2416-3-0x0000000005860000-0x00000000058F2000-memory.dmp

        memory/2416-4-0x0000000005930000-0x000000000593A000-memory.dmp

        memory/2416-1-0x0000000000DD0000-0x0000000000EDA000-memory.dmp

        memory/2416-10-0x0000000008A80000-0x0000000008B2A000-memory.dmp

        memory/2416-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

        memory/2416-8-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

        memory/2416-7-0x0000000008520000-0x000000000853A000-memory.dmp

        memory/2416-6-0x00000000089E0000-0x0000000008A7C000-memory.dmp

        memory/2416-5-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2416-41-0x0000000074C90000-0x0000000075440000-memory.dmp

        memory/2416-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp