Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/05/2026, 23:57

General

  • Target
    Setup.msi
  • Size 28.3MB
  • Sample260505-3z4jmsgw2t
  • SHA256 e23db89eec03254725586501b1ae7e0c45e66cb630a4658294aab855662ef811
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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
  • 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 24 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\Setup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2124
  • 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:2336
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1548
      • C:\Windows\system32\wscript.exe
        wscript.exe //B /e:vbscript "nBPvFLwies"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3868
        • C:\Users\Admin\AppData\Local\bzRMbqoeusi\QMQsG.exe
          "C:\Users\Admin\AppData\Local\bzRMbqoeusi\QMQsG.exe" "C:\Users\Admin\AppData\Local\bzRMbqoeusi\PJyhahIvCOIsit"
          3⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:3524
          • C:\Users\Admin\AppData\Local\bzRMbqoeusi\QMQsG.exe
            C:\Users\Admin\AppData\Local\bzRMbqoeusi\QMQsG.exe C:\Users\Admin\AppData\Local\bzRMbqoeusi\aZvuuPyp
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            PID:5368
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:5916

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e584e4b.rbs

          • Path C:\Config.Msi\e584e4b.rbs
          • Size 9KB
          • SHA256 1f5f4dd1f40ca5ca4921b2920ef3f8fcf1e3f77b608874fb2df65e151db09426
          • MD5 SHA1 SHA512 SSDEEP TLSH

          i0c95x107z8wc5np.node

          • Path C:\Users\Admin\AppData\Local\Temp\i0c95x107z8wc5np.node
          • Size 353KB
          • SHA256 ac984122610f2758b95f1595de003bf1f8fe606dff631e27bee53452e11fe46a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PJyhahIvCOIsit

          • Path C:\Users\Admin\AppData\Local\bzRMbqoeusi\PJyhahIvCOIsit
          • Size 90KB
          • SHA256 eb1793d9f301885cbfe2601ec1a219dd122583d0d8815f0b587d3dc6ce3faf28
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aZvuuPyp

          • Path C:\Users\Admin\AppData\Local\bzRMbqoeusi\aZvuuPyp
          • Size 2.5MB
          • SHA256 04556d46643cb27d6bd58bb2269fc1ec4cc39a8e7fd6edffdebbff7f4acbf4b6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aZvuuPyp

          • Path C:\Users\Admin\AppData\Local\bzRMbqoeusi\aZvuuPyp
          • Size 1.8MB
          • SHA256 ad633f5711c35ea0cce4c11fa1ac9e65cdce987d17cba8f19b2cc7a9b9ac8e4a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nBPvFLwies

          • Path C:\Users\Admin\AppData\Local\bzRMbqoeusi\nBPvFLwies
          • Size 458B
          • SHA256 365c7ec882c54cc39f44d1a15ab093ea0d40b89149cae6e880922f525c7476a2
          • MD5 SHA1 SHA512 TLSH

          e584e4a.msi

          • Path C:\Windows\Installer\e584e4a.msi
          • Size 28.3MB
          • SHA256 e23db89eec03254725586501b1ae7e0c45e66cb630a4658294aab855662ef811
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 474b831e056c7b90f2d95a1506b81eebc2a740858936a94c69650e875a4cbad2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {ad513d11-e250-4d51-bc63-8f01e304c442}_OnDiskSnapshotProp

          • Path \??\Volume{d3d389e6-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ad513d11-e250-4d51-bc63-8f01e304c442}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8b77d33c324427380859d4f88f182afe85404c59fd20e68f709afd4ebea4797b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1548-66-0x000001ED46200000-0x000001ED462AF000-memory.dmp

          memory/1548-70-0x000001ED46200000-0x000001ED462AF000-memory.dmp

          memory/2124-41-0x000001CD26CA0000-0x000001CD26D4F000-memory.dmp

          memory/2124-40-0x000001CD23260000-0x000001CD2326C000-memory.dmp

          memory/2124-5-0x000001CD26CA0000-0x000001CD26D4F000-memory.dmp

          memory/2124-4-0x000001CD23260000-0x000001CD2326C000-memory.dmp

          memory/2336-6-0x0000026C84E90000-0x0000026C84F3F000-memory.dmp

          memory/2336-64-0x0000026C86BB0000-0x0000026C86BBC000-memory.dmp

          memory/3868-44-0x000001FBAF0D0000-0x000001FBAF17F000-memory.dmp

          memory/3868-45-0x000001FBAF190000-0x000001FBAF19C000-memory.dmp

          memory/5368-60-0x00007FF899BC0000-0x00007FF89A6F2000-memory.dmp

          memory/5368-69-0x00007FF899BC0000-0x00007FF89A6F2000-memory.dmp

          memory/5916-10-0x0000025A05160000-0x0000025A0520F000-memory.dmp