Analysis

  • max time kernel
    136s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 10:38

General

  • Target

    build-x64.msi

  • Size

    5.8MB

  • MD5

    9c02a9298b97fcfc5a75fbedf08002bd

  • SHA1

    2d3bc2856c015914f2856331a0315298f3c34b0c

  • SHA256

    693ff5db0a085db5094bb96cd4c0ce1d1d3fdc2fbf6b92c32836f3e61a089e7a

  • SHA512

    fafe5dddb610068cb1044c803a6d681d1739904d8e0c4b2b0fc05bcd55cf9344f69e77c8627ae73713f759117d81a78855ff937ee8650b47ab18d37cb9ca34bc

  • SSDEEP

    49152:ppUP3UhtSTK+0THkWsN8SDYdvH5eoQDWhbHHhZgWEF94FJy5jvrgFdbBUleY82cp:pp6nFDkEWoyvy5jvcdbBUkYC+XCFmpC

Score
6/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 1 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\build-x64.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2628
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:560
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3808

Network

MITRE ATT&CK Enterprise v15

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Downloads