Overview

overview

10

Static

static

10

ioxyfx.bin.exe

windows7_x64

8

ioxyfx.bin.exe

windows10_x64

8

Analysis

  • max time kernel
    35s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    29-09-2020 06:18

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General

  • Target

    ioxyfx.bin.exe

  • Size

    7.1MB

  • MD5

    d5f9fa1a8dca5319432f51a5891f7794

  • SHA1

    2a937328f5b99eccb9b8c13ed71d6ffb9dff4521

  • SHA256

    18f4123ee42f5a29f8df7bd1cf95ab73441f082584f390aa218c2dd1134f4055

  • SHA512

    87013b63a9b153c5268784928394dfbf1eeff1b91eea6bdf187025e63d25c535e468e59a33f47d23682a386605bb314311e50a7edd1d6deb1b60f5008237a7d0

Score
8/10
ransomwarepersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops file in System32 directory 6 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 12028 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 7 IoCs
    evasion
  • Modifies data under HKEY_USERS 42 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ioxyfx.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\ioxyfx.bin.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\ProgramData\ioxyfx.bin.exe
      C:\ProgramData\ioxyfx.bin.exe
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM MSExchange*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2996
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM Microsoft*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4024
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM ora*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3032
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM tns*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3768
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM mysql*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3800
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM sql*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:280
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /F /IM postgres*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4028
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1836
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:2676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\ioxyfx.bin.exe
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  • C:\ProgramData\ioxyfx.bin.exe
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  • memory/280-12-0x0000000000000000-mapping.dmp

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  • memory/1348-2-0x0000000000000000-mapping.dmp

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  • memory/2996-7-0x0000000000000000-mapping.dmp

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  • memory/3032-9-0x0000000000000000-mapping.dmp

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  • memory/3768-10-0x0000000000000000-mapping.dmp

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  • memory/3800-11-0x0000000000000000-mapping.dmp

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  • memory/4024-8-0x0000000000000000-mapping.dmp

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  • memory/4028-13-0x0000000000000000-mapping.dmp

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