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Analysis

  • max time kernel
    41s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 09:06

General

  • Target

    a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932.dll

  • Size

    68KB

  • MD5

    51c0102faff8388a6210d30d87f5e7ef

  • SHA1

    0b3370b36fb8160e29fc64fe947ca0aba8f35702

  • SHA256

    a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932

  • SHA512

    6e84bb4b0bcc7527880ec0d01ff03d9a15aba5f498a36d7aae87c03df3e486b6654a6d5b02ffc463d88d67eeb675c0ed1760b233a477817c057f95d4a8900f52

  • SSDEEP

    1536:fV+Agn/xD1YZD9XPyqxMmG0cToBw5Nh1cbODN:fVRgn/xD1A9XPLKoBw5VN

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6bdbbe900462ceb9a9dd8129558776e424df545d6aed5e35a868d3a69a89932.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      PID:2044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2044-55-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

    Filesize

    8KB

  • memory/2044-56-0x00000000001A0000-0x00000000001AA000-memory.dmp

    Filesize

    40KB

  • memory/2044-58-0x0000000010000000-0x0000000010009000-memory.dmp

    Filesize

    36KB

  • memory/2044-60-0x0000000010000000-0x0000000010009000-memory.dmp

    Filesize

    36KB

  • memory/2044-61-0x00000000001A0000-0x00000000001AA000-memory.dmp

    Filesize

    40KB