Analysis

  • max time kernel
    28s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2023 09:37

General

  • Target

    tekdefense.dll

  • Size

    14KB

  • MD5

    1f3195eff807eceda24c74ea4c483f8c

  • SHA1

    875b5d9b81e27ed8e5dc6fc8610813f68c5f59a9

  • SHA256

    9420c9b7b0e45c2e5440c20cca570e991cbf151babf2537bf3dc08cf6d12c321

  • SHA512

    15125f2c6d89af222fc092b20bf8a560d1913bf45ad54cbb6a94382fa8416054ba1b65261d0ba8e4ff3fbf825a41d7f27a9556dad3ea8e13f1ed7c4587a5c887

  • SSDEEP

    48:6D640H+VzPiZerMpZytjWeyLhnhIAsYBlnfpJo+b23mRhHeq0JEI0oqtIzNi:WmHGzq6tjW33XlfprbSmRhsJNcy

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://zwned.tekdefense.com:80/JpHZ

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\tekdefense.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tekdefense.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe
        3⤵
          PID:1360

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1360-54-0x0000000000090000-0x0000000000092000-memory.dmp

      Filesize

      8KB

    • memory/1360-55-0x0000000000090000-0x0000000000092000-memory.dmp

      Filesize

      8KB