Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 11:42

General

  • Target

    749d79c0ef193b24b2a68c9d0ca549fb.exe

  • Size

    19KB

  • MD5

    749d79c0ef193b24b2a68c9d0ca549fb

  • SHA1

    0dd214a241660a25fbe63ebbe345c6bf60183fff

  • SHA256

    7407c3f7835868fc442546aca2c06ebb8c7d715e9188a7b7af09622b0aa38bb7

  • SHA512

    eff7d461ec20811c619868360b3b477522b909dd410359b1a637d0a78d347f2c4aaa5b95003239186091766382066f799ebe3f0d2687f7580accd4624dbe77e9

  • SSDEEP

    384:A7ztciLzKXbi4EZtHZEEqeqLEGSCVXq8MhlH5:Sci3KXbcZt5xqer9Cw8qZ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\749d79c0ef193b24b2a68c9d0ca549fb.exe
        "C:\Users\Admin\AppData\Local\Temp\749d79c0ef193b24b2a68c9d0ca549fb.exe"
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\749d79c0ef193b24b2a68c9d0ca549fb.exe"
          3⤵
          • Deletes itself
          PID:2844
    • C:\Windows\System32\spoolsv.exe
      C:\Windows\System32\spoolsv.exe
      1⤵
        PID:844

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\lariytrz.dll

        Filesize

        36KB

        MD5

        d10ebf3bd9a02f1b62758c90f128e431

        SHA1

        976e62f2a874bc452046157dfbe615a5c3a6f093

        SHA256

        fe8c91b76d6294518c52dbba1f3af5829316bfd25c5b23b81380015f891837a7

        SHA512

        ff856c6684659075b07dc9a584a55243877b3bae813757053454b1908fb8765827b6f910a4d7b8ced44e566fdbbd3b59ade378d16c7510138b60875e9a3c8390

      • memory/1204-12-0x00000000029A0000-0x00000000029A1000-memory.dmp

        Filesize

        4KB

      • memory/2528-0-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/2528-18-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB