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Analysis

  • max time kernel
    301s
  • max time network
    400s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 08:16

General

  • Target

    b53e98ee4466352f646965570f782c0449954d91d43e49540180f435d75c5a18.dll

  • Size

    76KB

  • MD5

    a2cd059e565581c6e2c585504b46e88c

  • SHA1

    62878bad7759c3c506735b907234b2106173a3bd

  • SHA256

    b53e98ee4466352f646965570f782c0449954d91d43e49540180f435d75c5a18

  • SHA512

    02bb24c9b238c7fc93f15e597d5f19db0c54b6a11a5570e7e9e90a16554dd63a85565d2ea274de61791c768bfc5e504172f607dee5afd6a11335743f2f2c1592

  • SSDEEP

    1536:Bx0Za0RQA5ksNcC/wZQLMHmZDPsbsAkR97NLMsaVwySbB9kMItjeSXnR:F0RZkUoZQLg6JdhLMsaVwFch

Score
8/10

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b53e98ee4466352f646965570f782c0449954d91d43e49540180f435d75c5a18.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b53e98ee4466352f646965570f782c0449954d91d43e49540180f435d75c5a18.dll,#1
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      PID:3736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3736-134-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB

  • memory/3736-135-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB

  • memory/3736-136-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB

  • memory/3736-137-0x0000000002CB0000-0x0000000002CC1000-memory.dmp

    Filesize

    68KB

  • memory/3736-138-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB