Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 8 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:4528
  • 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:4868
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5696
      • C:\Windows\system32\wscript.exe
        wscript.exe //B /e:vbscript "nBPvFLwies"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:5324
        • 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:1168
          • 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:5456
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2280

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58a881.rbs

          • Path C:\Config.Msi\e58a881.rbs
          • Size 9KB
          • SHA256 19c56e0a98170b7fa13b82bba535f8efa1c1c244453fc942497ad8321b2b8d3a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          j35w3eef4j4ezzxh.node

          • Path C:\Users\Admin\AppData\Local\Temp\j35w3eef4j4ezzxh.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 a1f1a3c7a129bfc32b1567fdb0b57c8b46ae1a8f6c70aba4e1068ded1911e130
          • 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

          e58a880.msi

          • Path C:\Windows\Installer\e58a880.msi
          • Size 28.3MB
          • SHA256 e23db89eec03254725586501b1ae7e0c45e66cb630a4658294aab855662ef811
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 7520d83311a940233812da6aeb0d80bd786d34c7b4d9ac58031b105e0e5b0ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0b892aa0-fc92-41c0-840d-ea9017d9a421}_OnDiskSnapshotProp

          • Path \??\Volume{9925377d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0b892aa0-fc92-41c0-840d-ea9017d9a421}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 5af98f015c4e15091db28bbd71b321d40ef621ea5fbfffa3f115e521fd56f7d2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1168-43-0x00000195D9230000-0x00000195D93D1000-memory.dmp

          memory/5456-53-0x00007FFD48B90000-0x00007FFD49694000-memory.dmp

          memory/5456-58-0x00000235D2E10000-0x00000235D2FB1000-memory.dmp

          memory/5456-59-0x00007FFD48B90000-0x00007FFD49694000-memory.dmp

          memory/5456-60-0x00000235D2E10000-0x00000235D2FB1000-memory.dmp

          memory/5456-62-0x00000235D2E10000-0x00000235D2FB1000-memory.dmp