Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    07/04/2026, 11:47

General

  • Target
    _318802be235a4106ff1951c4dbfcf86cfbf3d64124c694d8b067203070ddd1fd.msi
  • Size 1.1MB
  • Sample260407-nx963set4r
  • SHA256 318802be235a4106ff1951c4dbfcf86cfbf3d64124c694d8b067203070ddd1fd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • DOPLUGS

    DOPLUGS is a customized variant of PlugX malware family.

  • Detect DOPLUGS variant of PlugX 1 IoCs
  • Doplugs family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 3 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\_318802be235a4106ff1951c4dbfcf86cfbf3d64124c694d8b067203070ddd1fd.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4660
  • 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:5092
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1576
      • C:\Users\Admin\AppData\Local\tBrUsdjY\cnmpaui.exe
        C:\Users\Admin\AppData\Local\tBrUsdjY\cnmpaui.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:436
        • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
          "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Сахилгын хорооны 2025 оны 05 дугаар сарын 20.docx" /o ""
          3⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of SetWindowsHookEx
          PID:4372
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2000
    • C:\ProgramData\SamsungDriver\cnmpaui.exe
      "C:\ProgramData\SamsungDriver\cnmpaui.exe" 905 228
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2948

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5805f7.rbs

          • Path C:\Config.Msi\e5805f7.rbs
          • Size 8KB
          • SHA256 77087753b3c1843c23779f63ccf09fc2a152c18d45e98b0faa77d09be283a95a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          iso690.xsl

          • Path C:\Users\Admin\AppData\Local\Temp\TCD5113.tmp\iso690.xsl
          • Size 263KB
          • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Сахилгын хорооны 2025 оны 05 дугаар сарын 20.docx

          • Path C:\Users\Admin\AppData\Local\Temp\Сахилгын хорооны 2025 оны 05 дугаар сарын 20.docx
          • Size 16KB
          • SHA256 f21c5fbe05d0fa26842fd321e12f47010e7a35d2cc45c77290ff15b4be5e7051
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cnmpaui.dll

          • Path C:\Users\Admin\AppData\Local\tBrUsdjY\cnmpaui.dll
          • Size 693KB
          • SHA256 aa6f32f37c6624e4f0c13ce3f68f11275de732b72c361f5a7874996400a80017
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cnmpaui.exe

          • Path C:\Users\Admin\AppData\Local\tBrUsdjY\cnmpaui.exe
          • Size 351KB
          • SHA256 4ed76fa68ef9e1a7705a849d47b3d9dcdf969e332bd5bcb68138579c288a16d3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cnmplog.dat

          • Path C:\Users\Admin\AppData\Local\tBrUsdjY\cnmplog.dat
          • Size 638KB
          • SHA256 823d59cc9b0ae5705ba3732ad09897bf83403030c03574641f14dda1a853bcd4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CUSTOM.DIC

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
          • Size 16B
          • SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
          • MD5 SHA1 SHA512

          ExcludeDictionaryEN0409.lex

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
          • Size 2B
          • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
          • MD5 SHA1 SHA512

          e5805f6.msi

          • Path C:\Windows\Installer\e5805f6.msi
          • Size 1.1MB
          • SHA256 318802be235a4106ff1951c4dbfcf86cfbf3d64124c694d8b067203070ddd1fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 fb3a7293333f8288427f852ff7fe3ada3b39ab8cefbccb2c3a75413b2ee88e7f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {2282f195-31e8-4a44-ae53-126ac253e55c}_OnDiskSnapshotProp

          • Path \??\Volume{a37a13d3-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2282f195-31e8-4a44-ae53-126ac253e55c}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6084bbf49db004c4f9b41aeef8a5d4006d74812f88549f9b0cc49cd661034874
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/436-30-0x0000000002CC0000-0x0000000006966000-memory.dmp

          memory/436-29-0x0000000002CC0000-0x0000000006966000-memory.dmp

          memory/436-93-0x0000000000D20000-0x0000000000D26000-memory.dmp

          memory/436-94-0x0000000006AB0000-0x0000000006BFD000-memory.dmp

          memory/436-28-0x0000000002C20000-0x0000000002CC0000-memory.dmp

          memory/436-40-0x0000000002CC0000-0x0000000006966000-memory.dmp

          memory/1576-92-0x000001CE25F90000-0x000001CE26308000-memory.dmp

          memory/1576-100-0x000001CE25F90000-0x000001CE26308000-memory.dmp

          memory/2948-80-0x0000000002E30000-0x0000000002E36000-memory.dmp

          memory/2948-81-0x0000000007420000-0x000000000756D000-memory.dmp

          memory/2948-59-0x0000000003610000-0x00000000072B6000-memory.dmp

          memory/2948-60-0x0000000003610000-0x00000000072B6000-memory.dmp

          memory/2948-73-0x0000000003610000-0x00000000072B6000-memory.dmp

          memory/4372-547-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4372-520-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4372-42-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-577-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4372-95-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4372-48-0x00007FFECD5F0000-0x00007FFECD600000-memory.dmp

          memory/4372-44-0x0000025DB4230000-0x0000025DB4240000-memory.dmp

          memory/4372-45-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-47-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-43-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-575-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-576-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-574-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-41-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-524-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4372-528-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4372-573-0x00007FFED0190000-0x00007FFED01A0000-memory.dmp

          memory/4372-49-0x00007FFECD5F0000-0x00007FFECD600000-memory.dmp

          memory/4372-559-0x0000025DF41D0000-0x0000025DF4548000-memory.dmp

          memory/4660-24-0x0000012A4F440000-0x0000012A4F7B8000-memory.dmp

          memory/4660-3-0x0000012A4F440000-0x0000012A4F7B8000-memory.dmp

          memory/5092-536-0x00000239B7CC0000-0x00000239B8038000-memory.dmp

          memory/5092-4-0x00000239B7CC0000-0x00000239B8038000-memory.dmp

          memory/5092-91-0x00000239B7CC0000-0x00000239B8038000-memory.dmp

          memory/5092-581-0x00000239B7CC0000-0x00000239B8038000-memory.dmp

          memory/5092-584-0x00000239B7CC0000-0x00000239B8038000-memory.dmp