Analysis

  • max time kernel
    149s
  • max time network
    96s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/04/2026, 18:24

General

  • Target
    Test.msi
  • Size 466KB
  • Sample260416-w15d1ab12t
  • SHA256 ddf1967721baa3579812474e24d6bac823dd732399a5601bff34945fe1cf4858
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 7 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 Program Files directory 1 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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\Test.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4168
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • 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:3524
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 597436592A494BC7F8FC3720DC11D3F9 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1676
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3068
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A971C41E75DD6F23EDDEA639A85D318A
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2764
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2948

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e585744.rbs

          • Path C:\Config.Msi\e585744.rbs
          • Size 8KB
          • SHA256 4431e69b9adb8acc081cb02407fa22b6494b362f64e111b4a2652d6ef00c2dd5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CEPlusWin.exe

          • Path C:\Program Files (x86)\ID Cyber Ltd for Cyber Essentials LIVE\CE Plus\CEPlusWin.exe
          • Size 223KB
          • SHA256 eed4bb664109dcdb1006d22d41b23b8ae64d9a1960d5e1f6ba02cebea60a9a1d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSICDA0.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSICDA0.tmp
          • Size 242KB
          • SHA256 1afddd9333f9d503690449b0bb1079f9e1e6328bba133466a2a91469834ad518
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e585743.msi

          • Path C:\Windows\Installer\e585743.msi
          • Size 466KB
          • SHA256 ddf1967721baa3579812474e24d6bac823dd732399a5601bff34945fe1cf4858
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 f5cb9b643a4d87f70d818008ea7f97c63a854fd57838a11a3019a92668294dcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {744acf57-12a5-4c42-9c62-7459101ea0b7}_OnDiskSnapshotProp

          • Path \??\Volume{a37a13d3-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{744acf57-12a5-4c42-9c62-7459101ea0b7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 63afe4ac4ebc8667026d30341757ab7adf142be3bbc884327fda16fcd6bda326
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1676-20-0x00000000007F0000-0x000000000086B000-memory.dmp

          memory/2764-56-0x0000000000AF0000-0x0000000000B6B000-memory.dmp