Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 10:33

General

  • Target
    install_s0up015.msi
  • Size 9.3MB
  • Sample260802-mlsl8axybx
  • SHA256 03d2a9729f87c153573ad73a24b2f2638a430f9c30030bea75b94cbe08bb0047
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Badlisted process makes network request 6 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 13 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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_s0up015.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4496
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5052
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 82323209FED6A438E05141401D128156 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
      • Suspicious use of SetWindowsHookEx
      PID:2468
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2268
  • C:\Users\Public\JFn0ob\C4S5dT.exe
    "C:\Users\Public\JFn0ob\C4S5dT.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:2484

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e5941f2.rbs

        • Path C:\Config.Msi\e5941f2.rbs
        • Size 7KB
        • SHA256 4a8b3150c452c91e0cc4727c3dc76b64b0a5ef161645234cac62f94b2d90c87c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        C4S5dT.exe

        • Path C:\Users\Public\JFn0ob\C4S5dT.exe
        • Size 135KB
        • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UxEnhance64.dll

        • Path C:\Users\Public\JFn0ob\UxEnhance64.dll
        • Size 3.1MB
        • SHA256 89086142d18d58c3a6aea997b097ffa20b9098def2d3d1a05f41023998e153b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        adoresd.dat

        • Path C:\Users\Public\JFn0ob\adoresd.dat
        • Size 4.7MB
        • SHA256 793e99e4d6bda7114bacb90782b3121d452397607cea6c72e52cb99a760ac271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msadox.tb

        • Path C:\Users\Public\JFn0ob\msadox.tb
        • Size 8KB
        • SHA256 6da079e81fb3af47bd408be490d9a2ba165ba7b6fc23f25fc181c4446f76346f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI48E7.tmp

        • Path C:\Windows\Installer\MSI48E7.tmp
        • Size 9.3MB
        • SHA256 a0a2d03a00a35caf9668beb29c68ed411b0b3929bdef9a95ebc1a4a3905d7ae4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e5941f1.msi

        • Path C:\Windows\Installer\e5941f1.msi
        • Size 9.3MB
        • SHA256 03d2a9729f87c153573ad73a24b2f2638a430f9c30030bea75b94cbe08bb0047
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 86081edb91533e74aa37ba367feec215286db5b6d8984a786c9ee110864ef19d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {209aaa11-c02c-48a2-b618-4b0aa24b5bf9}_OnDiskSnapshotProp

        • Path \??\Volume{5d76dc85-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{209aaa11-c02c-48a2-b618-4b0aa24b5bf9}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 593a69178415e49c1780bdf1e49e63b42bcfaa18d2d3c3c376749969a92f229f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2468-13-0x00007FFCCBB00000-0x00007FFCCC13B000-memory.dmp

        memory/2468-16-0x00007FFCD42F0000-0x00007FFCD4302000-memory.dmp

        memory/2468-44-0x00007FFCD42F0000-0x00007FFCD4302000-memory.dmp

        memory/2468-12-0x00007FFCEF370000-0x00007FFCEF372000-memory.dmp

        memory/2484-58-0x00007FFCEF370000-0x00007FFCEF372000-memory.dmp

        memory/2484-59-0x00007FFCCBC20000-0x00007FFCCC13E000-memory.dmp

        memory/2484-64-0x000002733D7C0000-0x000002733E051000-memory.dmp

        memory/2484-66-0x00007FFCEF380000-0x00007FFCEF382000-memory.dmp

        memory/2484-67-0x000002733D7C0000-0x000002733E051000-memory.dmp

        memory/2484-71-0x000002733D7C0000-0x000002733E051000-memory.dmp

        memory/2484-73-0x000002733D7C0000-0x000002733E051000-memory.dmp

        memory/2484-72-0x000002733D7C0000-0x000002733E051000-memory.dmp

        memory/2484-74-0x000002733D7C0000-0x000002733E051000-memory.dmp