Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25/09/2025, 15:42

General

  • Target
    SecuriteInfo.com.Trojan.Siggen31.58115.14484.46.exe
  • Size 875KB
  • Sample250925-s5ateazms7
  • SHA256 b5def5a71c2c8f07fa30379346fdd97c89bc77f8fbd5200bc41a3bb13ce4ee4c
  • 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.

  • 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.

  • Modifies system certificate store 2 TTPs 9 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.58115.14484.46.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.58115.14484.46.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qWTJGU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qWTJGU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB882.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3608
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4244

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_khuo5mzc.oy5.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_khuo5mzc.oy5.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpB882.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpB882.tmp
        • Size 1KB
        • SHA256 47b826e59503112d94358c9f0b7effbded0f421371bd4abc1c2b368169e19d4f
        • MD5 SHA1 SHA512

        LoginData

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

        WebData

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

        memory/768-47-0x0000000005DB0000-0x0000000005DFC000-memory.dmp

        memory/768-63-0x0000000007350000-0x00000000073E6000-memory.dmp

        memory/768-76-0x0000000007400000-0x0000000007408000-memory.dmp

        memory/768-75-0x0000000007410000-0x000000000742A000-memory.dmp

        memory/768-74-0x0000000007310000-0x0000000007325000-memory.dmp

        memory/768-25-0x0000000004D10000-0x0000000004D20000-memory.dmp

        memory/768-29-0x0000000005350000-0x000000000597A000-memory.dmp

        memory/768-73-0x0000000007300000-0x000000000730E000-memory.dmp

        memory/768-35-0x0000000005070000-0x00000000050D6000-memory.dmp

        memory/768-64-0x00000000072D0000-0x00000000072E1000-memory.dmp

        memory/768-45-0x0000000005980000-0x0000000005CD7000-memory.dmp

        memory/768-36-0x0000000005150000-0x00000000051B6000-memory.dmp

        memory/768-34-0x0000000004DC0000-0x0000000004DE2000-memory.dmp

        memory/768-46-0x0000000005D60000-0x0000000005D7E000-memory.dmp

        memory/768-48-0x00000000063A0000-0x00000000063D4000-memory.dmp

        memory/768-49-0x00000000716D0000-0x000000007171C000-memory.dmp

        memory/768-62-0x0000000007140000-0x000000000714A000-memory.dmp

        memory/768-24-0x0000000004D10000-0x0000000004D20000-memory.dmp

        memory/768-23-0x0000000002570000-0x00000000025A6000-memory.dmp

        memory/768-59-0x0000000006F90000-0x0000000007034000-memory.dmp

        memory/768-58-0x0000000006380000-0x000000000639E000-memory.dmp

        memory/768-60-0x0000000007710000-0x0000000007D8A000-memory.dmp

        memory/768-61-0x00000000070C0000-0x00000000070DA000-memory.dmp

        memory/1320-3-0x00000000058A0000-0x00000000058B0000-memory.dmp

        memory/1320-15-0x0000000007640000-0x0000000007658000-memory.dmp

        memory/1320-0-0x0000000000E90000-0x0000000000F6C000-memory.dmp

        memory/1320-4-0x00000000058E0000-0x00000000058EA000-memory.dmp

        memory/1320-17-0x0000000007CB0000-0x0000000007D44000-memory.dmp

        memory/1320-18-0x000000000A420000-0x000000000A4BC000-memory.dmp

        memory/1320-16-0x00000000058A0000-0x00000000058B0000-memory.dmp

        memory/1320-1-0x0000000005F50000-0x00000000064F6000-memory.dmp

        memory/1320-2-0x00000000059A0000-0x0000000005A32000-memory.dmp

        memory/4244-27-0x0000000000400000-0x0000000000449000-memory.dmp

        memory/4244-30-0x0000000000400000-0x0000000000449000-memory.dmp

        memory/4244-79-0x0000000000400000-0x0000000000449000-memory.dmp