Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2025, 08:27

General

  • Target
    Setup64v9.5.7.msi
  • Size 8.9MB
  • Sample250106-kceynatpgk
  • SHA256 be5a6ccac39cc436ff3447106328ef8ddc782f4a66aa192569dfb94d31b568d8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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 9 IoCs
  • Loads dropped DLL 1 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 3 IoCs
  • Modifies registry class 22 IoCs
  • 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\Setup64v9.5.7.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2380
  • 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:800
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4704
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding 4708ED35F20DB66E61D9A6FB4E2EAA6E E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:2060
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2348

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          e57c351.rbs

          • Path C:\Config.Msi\e57c351.rbs
          • Size 6.7MB
          • SHA256 aa10fbabde2492267e8d4b8f52c59784352c5db0e2875979c12bc63a4b31fa74
          • MD5 SHA1 SHA512 SSDEEP

          MSIC535.tmp

          • Path C:\Windows\Installer\MSIC535.tmp
          • Size 6.7MB
          • SHA256 960a0d4e5f5dbbc1c87096c897c4760c475054c5079c106e947e1961a75ed3ac
          • MD5 SHA1 SHA512 SSDEEP

          e57c350.msi

          • Path C:\Windows\Installer\e57c350.msi
          • Size 8.9MB
          • SHA256 be5a6ccac39cc436ff3447106328ef8ddc782f4a66aa192569dfb94d31b568d8
          • MD5 SHA1 SHA512 SSDEEP

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 635230f7ffb19e646da6a1654ec3fec245917cfc4503889d3ac74f13f2cf5e64
          • MD5 SHA1 SHA512 SSDEEP

          {64bf5b6d-825c-4143-9c20-8317792eef45}_OnDiskSnapshotProp

          • Path \??\Volume{625ed6c4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{64bf5b6d-825c-4143-9c20-8317792eef45}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 4d9e91b3b0730fc8a865fa65ac94acb43031914a5229d5587892a1ca2294e61e
          • MD5 SHA1 SHA512 SSDEEP

          memory/2060-21-0x00007FFEB0C40000-0x00007FFEB257B000-memory.dmp

          memory/2060-23-0x00007FFEB0C40000-0x00007FFEB257B000-memory.dmp