Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/05/2026, 21:46

General

  • Target
    f6d0f25c8f8946c32f9ed3a202b063fc7cbd21f72359fae82eca4676083635c1.msi
  • Size 27.5MB
  • Sample260517-1ml3qag14j
  • SHA256 f6d0f25c8f8946c32f9ed3a202b063fc7cbd21f72359fae82eca4676083635c1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • 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.

  • Checks processor information in registry 2 TTPs 48 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\f6d0f25c8f8946c32f9ed3a202b063fc7cbd21f72359fae82eca4676083635c1.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1892
  • 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:4428
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4864
      • C:\Windows\system32\cmd.exe
        cmd.exe /c "zkcmDBhoj.cmd"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:496
        • C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\oaLwnuwVPgXS.exe
          "oaLwnuwVPgXS.exe" "dRNvDxROGZaCuAnGtZ.js"
          3⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:4240
          • C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\oaLwnuwVPgXS.exe
            C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\oaLwnuwVPgXS.exe C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\XrEfmTt.dat
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:608
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1820

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58917e.rbs

          • Path C:\Config.Msi\e58917e.rbs
          • Size 9KB
          • SHA256 85fdb5055eac2b81e83659e131d00aae37d7fe8dc6a8776fe1e351824d6a80ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ttmxgb77rz5axboe.node

          • Path C:\Users\Admin\AppData\Local\Temp\ttmxgb77rz5axboe.node
          • Size 365KB
          • SHA256 5f673966b27f453a750385c0755750200f8bebf49e4e660188b80a950d8b47ed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XrEfmTt.dat

          • Path C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\XrEfmTt.dat
          • Size 1.7MB
          • SHA256 6a76ba13202b71982a919e9694d839aba525925c983838a91c9224863534bad1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XrEfmTt.dat

          • Path C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\XrEfmTt.dat
          • Size 1.7MB
          • SHA256 f4b92fa99aaac8f21b030ad6575569e232bf709b403b8774910cc287788148d8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dRNvDxROGZaCuAnGtZ.js

          • Path C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\dRNvDxROGZaCuAnGtZ.js
          • Size 114KB
          • SHA256 90bfbbb9e215584d613aa5b1ef762d18a76bcfca50926d25fcd9a1524fb0af72
          • MD5 SHA1 SHA512 SSDEEP TLSH

          zkcmDBhoj.cmd

          • Path C:\Users\Admin\AppData\Local\xPslVJsnOwyYzkYjbi\zkcmDBhoj.cmd
          • Size 80B
          • SHA256 99c04836b3b202d1d9c73672f3d92794a52f3d664a92da57c1ac83173d7ca956
          • MD5 SHA1 SHA512 TLSH

          e58917d.msi

          • Path C:\Windows\Installer\e58917d.msi
          • Size 27.5MB
          • SHA256 f6d0f25c8f8946c32f9ed3a202b063fc7cbd21f72359fae82eca4676083635c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 905d7de0a58adb094f43a1f2257a70d4258078e0d42bb645b518690da1f17732
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {9a6933e3-4a5a-427d-8e63-a4e07ca114b1}_OnDiskSnapshotProp

          • Path \??\Volume{b99e3a64-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{9a6933e3-4a5a-427d-8e63-a4e07ca114b1}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 2681cc42f9a2fb34054033a7a50b0e4724e7549c780d57d21048bb61b7e1be1c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/608-40-0x00007FFA7B320000-0x00007FFA7BE52000-memory.dmp

          memory/608-46-0x00007FFA7B320000-0x00007FFA7BE52000-memory.dmp