Analysis

  • max time kernel
    152s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-03-2024 23:01

General

  • Target

    Windows/Bonzify.exe

  • Size

    6.4MB

  • MD5

    9c352d2ce0c0bdc40c72f52ce3480577

  • SHA1

    bd4c956186f33c92eb4469f7e5675510d0790e99

  • SHA256

    d7e6580054525d3f21f86edfc9f30b7a75ffa829a1eb67ee3cab33f0040dba4e

  • SHA512

    c1926d59272df0e049467f4497bcc3631bbc1aa5337e87f4af31bfdba60c9ef460e394380024ffa7e71fef8938761d48d75e9dc93dc7529d2b9c8c638dddae92

  • SSDEEP

    196608:/dAMaWetTeAkLIdx751qFTkub//73lc6u7b5VJ2Yx5xIdk3:naWedh+Idx75QYub//73lc6u7bLMYxD

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Windows\Bonzify.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows\Bonzify.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\KillAgent.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im AgentSvr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2468
      • C:\Windows\SysWOW64\takeown.exe
        takeown /r /d y /f C:\Windows\MsAgent
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2372
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\MsAgent /c /t /grant "everyone":(f)
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\KillAgent.bat

    Filesize

    161B

    MD5

    ea7df060b402326b4305241f21f39736

    SHA1

    7d58fb4c58e0edb2ddceef4d21581ff9d512fdc2

    SHA256

    e4edc2cb6317ab19ee1a6327993e9332af35cfbebaff2ac7c3f71d43cfcbe793

    SHA512

    3147615add5608d0dce7a8b6efbfb19263c51a2e495df72abb67c6db34f5995a27fde55b5af78bbd5a6468b4065942cad4a4d3cb28ab932aad9b0f835aafe4d0