Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 10:36

General

  • Target

    xyxmml.msi

  • Size

    1.7MB

  • MD5

    51dd5767de678bb6359cbb175319f0ec

  • SHA1

    76ae487dda6cf3651a9b2b30614c0fefd1f3149c

  • SHA256

    5a49f64634ac29f37b3e53f5a1e37b90e8f3a385683f24083c68aee092408314

  • SHA512

    ffb798290e2f6840eb8f0587dc675e8654589bfd070b1c54e49c7984272aa94da3a493cbd28b1dddef1f6a44b09ad9fd8a14ec0d77b90f948dc85089f91cc8a0

  • SSDEEP

    49152:+EJnsHyjtk2MYC5GDChloJfWJ255hpB14Rd:1nsmtk2arhlTJ23h

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\xyxmml.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1824
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2872 -s 872
      2⤵
        PID:2716
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2828
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1256

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads