Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 11 IoCs
  • Loads dropped DLL 1 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 5 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:2528
  • 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:2192
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding 5CD74E24F8A3DF317DA7CF8654CEFDF4 M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:548
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2264
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000060" "00000000000005A8"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2676

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        f76e8fa.rbs

        • Path C:\Config.Msi\f76e8fa.rbs
        • Size 6.7MB
        • SHA256 935b970e36471740cc03fdef3c91ee1598c237be496e74e8116e842e71387c01
        • MD5 SHA1 SHA512 SSDEEP

        MSIEA22.tmp

        • Path C:\Windows\Installer\MSIEA22.tmp
        • Size 6.7MB
        • SHA256 960a0d4e5f5dbbc1c87096c897c4760c475054c5079c106e947e1961a75ed3ac
        • MD5 SHA1 SHA512 SSDEEP

        f76e8f8.msi

        • Path C:\Windows\Installer\f76e8f8.msi
        • Size 8.9MB
        • SHA256 be5a6ccac39cc436ff3447106328ef8ddc782f4a66aa192569dfb94d31b568d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/548-18-0x000007FEF4C90000-0x000007FEF65CB000-memory.dmp

        memory/548-20-0x000007FEF4C90000-0x000007FEF65CB000-memory.dmp