Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 17:52

General

  • Target

    c923ede30305d1521c18de24237df6d583cef2598c17a16c54f3605e0a7deeaf.exe

  • Size

    72KB

  • MD5

    81a13f9d7efa8f86332cb8f897df2a46

  • SHA1

    d0f11013eca20c750ae74456ed17fb2b010c5e23

  • SHA256

    c923ede30305d1521c18de24237df6d583cef2598c17a16c54f3605e0a7deeaf

  • SHA512

    189cc022b5bbd0548f2d76790ed7460c33b84a6806ca37609a4a38372a7dc9ade677ec1b154a90d64988e0e8176180310fe24f707fb3a79924be99ecbcfb822d

  • SSDEEP

    768:7h8akJlX0iPhUUqMtGUcwNttsvWTd9DO13rqMDs08PmXFwXxuFyQ/b11HzoN8Otx:7uaEvhUUFC3elPUCuFy+11cNXt47cL

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\c923ede30305d1521c18de24237df6d583cef2598c17a16c54f3605e0a7deeaf.exe
    "C:\Users\Admin\AppData\Local\Temp\c923ede30305d1521c18de24237df6d583cef2598c17a16c54f3605e0a7deeaf.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\ngfs.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1944
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\ngfs.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1180

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

Loading Replay Monitor...

Downloads

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

    72KB

    MD5

    81a13f9d7efa8f86332cb8f897df2a46

    SHA1

    d0f11013eca20c750ae74456ed17fb2b010c5e23

    SHA256

    c923ede30305d1521c18de24237df6d583cef2598c17a16c54f3605e0a7deeaf

    SHA512

    189cc022b5bbd0548f2d76790ed7460c33b84a6806ca37609a4a38372a7dc9ade677ec1b154a90d64988e0e8176180310fe24f707fb3a79924be99ecbcfb822d

  • memory/532-56-0x0000000075091000-0x0000000075093000-memory.dmp
    Filesize

    8KB

  • memory/1180-59-0x0000000000000000-mapping.dmp
  • memory/1944-57-0x0000000000000000-mapping.dmp