Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 15:03

General

  • Target

    969609b66b8083c5b0d54c3dfad98c20b8d0668ec995a117a625caaa3a4657c8.dll

  • Size

    100KB

  • MD5

    645168f1c074b6688af3b1b1921a9186

  • SHA1

    9b56f6645f893847b81ab4a3c605b1a62aa84f17

  • SHA256

    969609b66b8083c5b0d54c3dfad98c20b8d0668ec995a117a625caaa3a4657c8

  • SHA512

    0a198d6ab8df2840f045a415227e817295d0244dcee3a31b8583603b3e2f69bc4cd6f22c0e4bc12317c8949b712d3906f4d521c280947ea17e873dce5257ce7d

  • SSDEEP

    3072:IxSxgggcQqnf8BhGMp22s4edkWGqzjTA:IdgR8Byn1Gqz

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\969609b66b8083c5b0d54c3dfad98c20b8d0668ec995a117a625caaa3a4657c8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\969609b66b8083c5b0d54c3dfad98c20b8d0668ec995a117a625caaa3a4657c8.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      PID:1396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1396-54-0x0000000000000000-mapping.dmp

  • memory/1396-55-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB

  • memory/1396-56-0x00000000000B0000-0x00000000000B9000-memory.dmp

    Filesize

    36KB

  • memory/1396-59-0x00000000000B0000-0x00000000000B9000-memory.dmp

    Filesize

    36KB