Analysis

  • max time kernel
    268s
  • max time network
    254s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/10/2025, 14:29

General

  • Target
    Setup.msi
  • Size 2.9MB
  • Sample251027-rtlk4axqft
  • SHA256 ba699da64d44b039defd4f42340bc7bec888b8dcef135d5735f2af309ce8ce72
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\StreammakeXL_4

  • inject_dll

    %windir%\SysWOW64\pla.dll

xor.hex

Signatures

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Hijackloader family
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Sectoprat family
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Setup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2076
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4808
      • C:\Users\Admin\AppData\Local\Pectolite\WizardCore.exe
        "C:\Users\Admin\AppData\Local\Pectolite\WizardCore.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4944
        • C:\ProgramData\StreammakeXL_4\WizardCore.exe
          C:\ProgramData\StreammakeXL_4\WizardCore.exe
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4592
          • C:\Users\Admin\StrInterface.exe
            C:\Users\Admin\StrInterface.exe
            4⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            PID:2052
          • C:\Users\Admin\AppData\Roaming\StreammakeXL_4\XPFix.exe
            "C:\Users\Admin\AppData\Roaming\StreammakeXL_4\XPFix.exe" "C:\Users\Admin\AppData\Roaming\StreammakeXL_4\XPFix.exe" /u
            4⤵
              PID:2320
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:2284

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e57c4d7.rbs

            • Path C:\Config.Msi\e57c4d7.rbs
            • Size 8KB
            • SHA256 fb915dd207b029007c3031ee38e4cb5ce29ee080ddd9f5f48bd0e91791027c59
            • MD5 SHA1 SHA512 SSDEEP

            CCleanerReactivator.dll

            • Path C:\Users\Admin\AppData\Local\Pectolite\CCleanerReactivator.dll
            • Size 2.2MB
            • SHA256 7021a664010f20846bc357a1f0df121ab74819a268a983b42c685e414bac3cb6
            • MD5 SHA1 SHA512 SSDEEP

            Cieslailjieb.fi

            • Path C:\Users\Admin\AppData\Local\Pectolite\Cieslailjieb.fi
            • Size 21KB
            • SHA256 bfbd4e58b196f03c716e70df597f83e7ea6dabcf25ad1e0da40a076187edda58
            • MD5 SHA1 SHA512 SSDEEP

            Eengvougbig.qmi

            • Path C:\Users\Admin\AppData\Local\Pectolite\Eengvougbig.qmi
            • Size 2.2MB
            • SHA256 d535d7bbd118e075ac1818136eda1eefa4807656ecf80bc5f1c51bb4aae5a154
            • MD5 SHA1 SHA512 SSDEEP

            WizardCore.exe

            • Path C:\Users\Admin\AppData\Local\Pectolite\WizardCore.exe
            • Size 186KB
            • SHA256 9c8b68adcc8f1731db50fe129a0c3b2c304e7d7649ded5a599c741ce12917875
            • MD5 SHA1 SHA512 SSDEEP

            234C8DE.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\234C8DE.tmp
            • Size 3.0MB
            • SHA256 18710858fcae3f846439e0eb0dfbb92c9fb5e8fcf67b546bae1e1c193a2cd893
            • MD5 SHA1 SHA512 SSDEEP

            5FAF06D.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\5FAF06D.tmp
            • Size 40B
            • SHA256 58aca8b53ecbcde8d7606d42043180a9b94e8df064aa76a2381ab10bc52ade70
            • MD5 SHA1 SHA512

            StrInterface.exe

            • Path C:\Users\Admin\StrInterface.exe
            • Size 1.3MB
            • SHA256 e189e7fe9cd6d63ecece8b8e8fafb773003db6009fb0c45dc2b21e77167938ba
            • MD5 SHA1 SHA512 SSDEEP

            e57c4d6.msi

            • Path C:\Windows\Installer\e57c4d6.msi
            • Size 2.9MB
            • SHA256 ba699da64d44b039defd4f42340bc7bec888b8dcef135d5735f2af309ce8ce72
            • MD5 SHA1 SHA512 SSDEEP

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 24.6MB
            • SHA256 dd59100cfd05145443b91b91e0b2200616793cf1f9f5751c8ddeaaf9b66df738
            • MD5 SHA1 SHA512 SSDEEP

            {3f10ddd4-1a7f-489a-95ed-51a22117044c}_OnDiskSnapshotProp

            • Path \??\Volume{2a1b5cfa-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3f10ddd4-1a7f-489a-95ed-51a22117044c}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 04aa038bcc8eb75e68e6bcec7e079344e4d39dc1d9a0f266b715e6cdc448e1d7
            • MD5 SHA1 SHA512 SSDEEP

            memory/2052-57-0x000001A2B9580000-0x000001A2B9742000-memory.dmp

            memory/2052-49-0x00007FF73C5A0000-0x00007FF73C6A7000-memory.dmp

            memory/2052-54-0x00007FF73C5A0000-0x00007FF73C6A7000-memory.dmp

            memory/2052-56-0x000001A29F490000-0x000001A29F568000-memory.dmp

            memory/2052-58-0x00007FF73C5A0000-0x00007FF73C6A7000-memory.dmp

            memory/2052-63-0x000001A29F3B0000-0x000001A29F426000-memory.dmp

            memory/2052-64-0x000001A29E580000-0x000001A29E5D0000-memory.dmp

            memory/2052-65-0x000001A2B9C80000-0x000001A2BA1A8000-memory.dmp

            memory/2052-67-0x000001A29E4D0000-0x000001A29E4D9000-memory.dmp

            memory/4592-47-0x00007FFB80230000-0x00007FFB803AA000-memory.dmp

            memory/4592-43-0x00007FFB80230000-0x00007FFB803AA000-memory.dmp

            memory/4592-41-0x00007FFB80230000-0x00007FFB803AA000-memory.dmp

            memory/4944-29-0x00007FFB80230000-0x00007FFB803AA000-memory.dmp