Analysis

  • max time kernel
    149s
  • max time network
    110s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/11/2025, 10:39

General

  • Target
    d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe
  • Size 891KB
  • Sample251106-mp375avqar
  • SHA256 d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcloud

Version
  • 3.2

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe
    "C:\Users\Admin\AppData\Local\Temp\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3052
    • 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\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:660
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vCbNOPiJUPhN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1CB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5448
    • C:\Users\Admin\AppData\Local\Temp\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe
      "C:\Users\Admin\AppData\Local\Temp\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe"
      2⤵
        PID:5096
      • C:\Users\Admin\AppData\Local\Temp\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe
        "C:\Users\Admin\AppData\Local\Temp\d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4972
    • C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe
      C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2492
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3544
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vCbNOPiJUPhN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFADB.tmp"
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3824
      • C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe
        "C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4220

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 deb7087af5a24323843a1417cab23d4de92cfe9577b448b56ebf449e47c28b19
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 5ac11ef9fc9ce5e12204c7753bd09f3b83a95dfc5794ab709c9819f8106a731a
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_015zmkvq.kwa.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_015zmkvq.kwa.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmpB1CB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpB1CB.tmp
          • Size 1KB
          • SHA256 c46b82e33a185cba17c1b76a62064a90f3fd4dfffe3fb7fd8bfc2938cca13807
          • MD5 SHA1 SHA512

          LoginData

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DBS\LoginData
          • Size 56KB
          • SHA256 ce41f2a3255df2099ae8eea9364bd28c6fd6a56c8ca3290bd274944d16d9e6bf
          • MD5 SHA1 SHA512 SSDEEP

          WebData

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DBS\WebData
          • Size 228KB
          • SHA256 257947aba31142bab41ca56915c2ef843c2a156c527dee5d1a07e1224e380aed
          • MD5 SHA1 SHA512 SSDEEP

          vCbNOPiJUPhN.exe

          • Path C:\Users\Admin\AppData\Roaming\vCbNOPiJUPhN.exe
          • Size 891KB
          • SHA256 d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292
          • MD5 SHA1 SHA512 SSDEEP

          memory/660-53-0x00000000713E0000-0x000000007142C000-memory.dmp

          memory/660-78-0x0000000007CE0000-0x0000000007CE8000-memory.dmp

          memory/660-14-0x0000000005320000-0x0000000005330000-memory.dmp

          memory/660-15-0x0000000005320000-0x0000000005330000-memory.dmp

          memory/660-13-0x00000000051B0000-0x00000000051E6000-memory.dmp

          memory/660-16-0x0000000005960000-0x0000000005F8A000-memory.dmp

          memory/660-74-0x0000000007BB0000-0x0000000007BC1000-memory.dmp

          memory/660-73-0x0000000007C30000-0x0000000007CC6000-memory.dmp

          memory/660-72-0x0000000007A20000-0x0000000007A2A000-memory.dmp

          memory/660-19-0x00000000057D0000-0x00000000057F2000-memory.dmp

          memory/660-70-0x0000000007790000-0x00000000077AA000-memory.dmp

          memory/660-69-0x0000000008040000-0x00000000086BA000-memory.dmp

          memory/660-61-0x0000000006C10000-0x0000000006C2E000-memory.dmp

          memory/660-62-0x0000000007650000-0x00000000076F4000-memory.dmp

          memory/660-52-0x0000000006C50000-0x0000000006C84000-memory.dmp

          memory/2344-76-0x00000000072E0000-0x00000000072F5000-memory.dmp

          memory/2344-60-0x00000000713E0000-0x000000007142C000-memory.dmp

          memory/2344-48-0x0000000005D50000-0x0000000005D6E000-memory.dmp

          memory/2344-49-0x00000000060F0000-0x000000000613C000-memory.dmp

          memory/2344-75-0x00000000072D0000-0x00000000072DE000-memory.dmp

          memory/2344-33-0x0000000005830000-0x0000000005B87000-memory.dmp

          memory/2344-17-0x0000000004A30000-0x0000000004A40000-memory.dmp

          memory/2344-77-0x00000000073E0000-0x00000000073FA000-memory.dmp

          memory/2344-20-0x0000000004F50000-0x0000000004FB6000-memory.dmp

          memory/2344-21-0x0000000004FC0000-0x0000000005026000-memory.dmp

          memory/2492-120-0x00000000713E0000-0x000000007142C000-memory.dmp

          memory/2492-93-0x0000000005580000-0x00000000058D7000-memory.dmp

          memory/3052-4-0x0000000005090000-0x000000000509A000-memory.dmp

          memory/3052-8-0x0000000008E20000-0x0000000008EBC000-memory.dmp

          memory/3052-6-0x0000000005200000-0x0000000005210000-memory.dmp

          memory/3052-1-0x00000000055B0000-0x0000000005B56000-memory.dmp

          memory/3052-7-0x0000000006730000-0x00000000067E8000-memory.dmp

          memory/3052-5-0x0000000005590000-0x00000000055A4000-memory.dmp

          memory/3052-0-0x00000000004F0000-0x00000000005D6000-memory.dmp

          memory/3052-2-0x00000000050A0000-0x0000000005132000-memory.dmp

          memory/3052-3-0x0000000005200000-0x0000000005210000-memory.dmp

          memory/3544-119-0x0000000007A90000-0x0000000007B34000-memory.dmp

          memory/3544-112-0x00000000713E0000-0x000000007142C000-memory.dmp

          memory/3544-127-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

          memory/3544-128-0x0000000007E00000-0x0000000007E15000-memory.dmp

          memory/4316-71-0x0000000005200000-0x0000000005214000-memory.dmp

          memory/4972-37-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/4972-35-0x0000000000400000-0x000000000046D000-memory.dmp