Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 02:51

General

  • Target
    install_mal003.msi
  • Size 5.8MB
  • Sample260731-dcd8sshr91
  • SHA256 3f5505b96fa425c75da8c193a7af091896f7d85e911e4bb2ddc5d7b7b118f4c4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Badlisted process makes network request 8 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 System32 directory 8 IoCs
  • Drops file in Windows directory 9 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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\install_mal003.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2428
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4348
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 8BCC8C41CB848C24DD5AA4DC08EB3C5C E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:1508
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4656
  • C:\Users\Public\YDyjwJ\6BW21a.exe
    C:\Users\Public\YDyjwJ\6BW21a.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:1680

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e585dac.rbs

        • Path C:\Config.Msi\e585dac.rbs
        • Size 7KB
        • SHA256 4390cf0cfa51ecf00fc1938b8e34c184ad50dfc31f4517a09b23b48a03287858
        • MD5 SHA1 SHA512 SSDEEP TLSH

        6BW21a.exe

        • Path C:\Users\Public\YDyjwJ\6BW21a.exe
        • Size 135KB
        • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UxEnhance64.dll

        • Path C:\Users\Public\YDyjwJ\UxEnhance64.dll
        • Size 3.1MB
        • SHA256 79beb71dbbe9ac6e71157543fcd30c8a38db4622eafe7ed15759ae841d52bf98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        adoresd.dat

        • Path C:\Users\Public\YDyjwJ\adoresd.dat
        • Size 4.8MB
        • SHA256 8a36c8653d7386bb09bf973b2bd4d3fb669324c848a099f8a50dff07a2784d9f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msadox.tb

        • Path C:\Users\Public\YDyjwJ\msadox.tb
        • Size 8KB
        • SHA256 0b88522ea10c12660877c11756d7a265f5bb7867c64ef04970427c186944154c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI5F14.tmp

        • Path C:\Windows\Installer\MSI5F14.tmp
        • Size 5.8MB
        • SHA256 d4f0a7d05fd811fd2c9eeadb14696a445dc7b0735471390333aa464420f8f2b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e585dab.msi

        • Path C:\Windows\Installer\e585dab.msi
        • Size 5.8MB
        • SHA256 3f5505b96fa425c75da8c193a7af091896f7d85e911e4bb2ddc5d7b7b118f4c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 c744f6e0b445ec850d697e2a637f4e09ab6bab33e1bd0a40a3c6f3272130cf98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9ac58d54-8d89-4e49-bf11-2b83da4b9bf5}_OnDiskSnapshotProp

        • Path \??\Volume{cd0aa2ae-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{9ac58d54-8d89-4e49-bf11-2b83da4b9bf5}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 4893f242994db394f1c83c44979cd3d88d45b924f5a9b37e302ec239f4dfcba7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1508-13-0x00007FF8CE370000-0x00007FF8CE999000-memory.dmp

        memory/1508-12-0x00007FF8EC8D0000-0x00007FF8EC8D2000-memory.dmp

        memory/1508-16-0x00007FF8DCB30000-0x00007FF8DCB40000-memory.dmp

        memory/1508-44-0x00007FF8DCB30000-0x00007FF8DCB40000-memory.dmp

        memory/1680-59-0x00007FF8CCE50000-0x00007FF8CD36E000-memory.dmp

        memory/1680-58-0x00007FF8EC8D0000-0x00007FF8EC8D2000-memory.dmp

        memory/1680-64-0x000001E033FE0000-0x000001E03489E000-memory.dmp

        memory/1680-71-0x000001E033FE0000-0x000001E03489E000-memory.dmp

        memory/1680-72-0x000001E033FE0000-0x000001E03489E000-memory.dmp

        memory/1680-67-0x000001E033FE0000-0x000001E03489E000-memory.dmp

        memory/1680-66-0x00007FF8EC8E0000-0x00007FF8EC8E2000-memory.dmp

        memory/1680-73-0x000001E033FE0000-0x000001E03489E000-memory.dmp

        memory/1680-74-0x000001E033FE0000-0x000001E03489E000-memory.dmp