Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 01:13

General

  • Target
    upgrade.msi
  • Size 4.3MB
  • Sample260731-blakvs1crc
  • SHA256 2557e8edfcfc1942afae895eb1c23374826da93cb8dd275d54547d1577b5e634
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 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 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\upgrade.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1856
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1260
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6758F7FD1A26EEF2954305A2E7AEF7DA
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1080
    • C:\Windows\Installer\MSI429F.tmp
      "C:\Windows\Installer\MSI429F.tmp" /HideWindow /dir "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\" "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\ApS.eXE" x "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116.7z" -p1217242026 -o"C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\" -y
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:712
    • C:\Windows\Installer\MSI4908.tmp
      "C:\Windows\Installer\MSI4908.tmp" /DontWait /HideWindow "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\\TMP116\HRMonitor.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:724
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4108
  • C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\ApS.eXE
    "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\ApS.eXE" x "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116.7z" -p1217242026 -o"C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\" -y
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:716
  • C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\HRMonitor.exe
    "C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\HRMonitor.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:5920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e593be9.rbs

        • Path C:\Config.Msi\e593be9.rbs
        • Size 1KB
        • SHA256 dba95d0d77d1ea89a32ea06d1410336fd1e3169ca79b90c732a7db8a215ab8f9
        • MD5 SHA1 SHA512 TLSH

        ApS.eXE

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\ApS.eXE
        • Size 587KB
        • SHA256 27cbe3d5804ad09e90bbcaa916da0d5c3b0be9462d0e0fb6cb54be5ed9030875
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TMP116.7z

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116.7z
        • Size 2.0MB
        • SHA256 1de82a013ba0ddbcab8bc57ef447727789395833607d1c75f17c7fe8e0d4b2a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CrashHandler.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\CrashHandler.dll
        • Size 320KB
        • SHA256 d5f6777d3c60f80cafc5435ffcfe73105fddb942770c80829eff0171c56ceade
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HRMonitor.exe

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\HRMonitor.exe
        • Size 2.4MB
        • SHA256 75077cd6ca03d2c106efc58f6323811eccb6c3dfe58d8150a14801a508549365
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HipsDB.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\HipsDB.dll
        • Size 386KB
        • SHA256 af3cb2b733fc1311113141ffd440b0ba3c000ddfdaa9ab35be440d8cd3511936
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LOG

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\LOG
        • Size 9KB
        • SHA256 de0a4fe3c6f7f960b75e88335ea0465f9135f9a14d45a917ee5970dcf42c018f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hrcomm.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\hrcomm.dll
        • Size 149KB
        • SHA256 9652b8233ba2ceb2b004d9b0aa973fd3da4ec63463e7910927c1b60ab7c88620
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jansson.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\jansson.dll
        • Size 166KB
        • SHA256 5ab560ba25605087f7a449527ad5b7a3686e1f9fca1abb0a1a7612f57cd89df2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcobra.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\libcobra.dll
        • Size 186KB
        • SHA256 b3734697e9634f6fbe6ed6a20bd5b179bf97a83845dc2c980c220bc8d431c73c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libxsse.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\libxsse.dll
        • Size 1.2MB
        • SHA256 33a9e6e0f3a8a1e8e76f4549d089c1c02190c6c9c2bef5fb9d8bc7623009d4cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logger.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\logger.dll
        • Size 168KB
        • SHA256 265a8dda15610bb468fe14b144be3e6179bf1aeb185d590d59c3e7b76f8982c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sqlite.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\sqlite.dll
        • Size 905KB
        • SHA256 f323c011bae2a141ad31e9d494028fd9b201e1f976b2c4d48ca82790c5d7d9d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uactmon.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\uactmon.dll
        • Size 189KB
        • SHA256 29d050a8eeb321ac2a82fa34056eed9eef609518aa2b6fd2a73ac9f4f19ed1c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        usysdiag.dll

        • Path C:\Users\Admin\AppData\Roaming\ControlMesh Technologies B.V\ControlMesh Remote Admin\ControlMesh\TMP116\usysdiag.dll
        • Size 359KB
        • SHA256 651ae123e5d362e4c141caea427cdef2c5ec613ec6be403c4902876e4daeb729
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI3EB5.tmp

        • Path C:\Windows\Installer\MSI3EB5.tmp
        • Size 1.2MB
        • SHA256 0c6cca44745499e6c642efaff90ae3ccc4a24498d34e312d81ff0c9cb2f60f2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI429F.tmp

        • Path C:\Windows\Installer\MSI429F.tmp
        • Size 437KB
        • SHA256 9600a99a4b058aff17c30eb551dc21fa6e0c83ec787fa007f0c7f0752471804d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 416532ac1c3e64943e4ee5e779b3e1a40508b80ecff9a044a9adb4b670f37030
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {68b2f017-c6ef-4d4f-b935-78dab863e8f8}_OnDiskSnapshotProp

        • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{68b2f017-c6ef-4d4f-b935-78dab863e8f8}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 029f4f254487e1012ac7bb98eb43a8cd9cdf7c95aabdc648891a1675621b0d67
        • MD5 SHA1 SHA512 SSDEEP TLSH