Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2022 05:59

General

  • Target

    02fb5a71cc95ac3936883fd4578d83ecf8c56d5c735b9039e76a89937710ea48.exe

  • Size

    72KB

  • MD5

    52546e1127487e7974fd844aa5bd03f6

  • SHA1

    b042d031ca45dc4ec791127a0ffd9d1e8df7e709

  • SHA256

    02fb5a71cc95ac3936883fd4578d83ecf8c56d5c735b9039e76a89937710ea48

  • SHA512

    448512f62770ae677e0bb8c1d78299648d76a069417f806d5e27531cdd1b8391b2d3152f0b886f590fc2edaf465eec1ea3b66c260302e9dc279cde8fab6e337a

  • SSDEEP

    768:lZ3ekAd0mgBUJ0JtXxvoCjtpIh0xoXj8KIQBHkfOJRdLd5nOggSjyiPFu0/vHNML:lidhehRjwXjMW0aI3mxnkXtPe+qYQO

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02fb5a71cc95ac3936883fd4578d83ecf8c56d5c735b9039e76a89937710ea48.exe
    "C:\Users\Admin\AppData\Local\Temp\02fb5a71cc95ac3936883fd4578d83ecf8c56d5c735b9039e76a89937710ea48.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\crod.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:904
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\crod.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\crod.exe
    Filesize

    72KB

    MD5

    52546e1127487e7974fd844aa5bd03f6

    SHA1

    b042d031ca45dc4ec791127a0ffd9d1e8df7e709

    SHA256

    02fb5a71cc95ac3936883fd4578d83ecf8c56d5c735b9039e76a89937710ea48

    SHA512

    448512f62770ae677e0bb8c1d78299648d76a069417f806d5e27531cdd1b8391b2d3152f0b886f590fc2edaf465eec1ea3b66c260302e9dc279cde8fab6e337a

  • memory/736-56-0x0000000076201000-0x0000000076203000-memory.dmp
    Filesize

    8KB

  • memory/904-57-0x0000000000000000-mapping.dmp
  • memory/1916-59-0x0000000000000000-mapping.dmp