Analysis

  • max time kernel
    49s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 14:24

General

  • Target

    1b55230be722a85a8c3e6c7f8ebeeaed.dll

  • Size

    116KB

  • MD5

    1b55230be722a85a8c3e6c7f8ebeeaed

  • SHA1

    7a229d7ec1e42577fa41b7a57594e6517128f639

  • SHA256

    8e0926500186cded3ea82dcf8acc78c71e0ee9e17295828afd1393960bfb24f5

  • SHA512

    ee1034736f54d5011653219c015511c5b2260540cc90052dd817c8a3b990a98e21341dfe69bf194db98e36bffe5ccba5f10d71323cafd49f52312f0065f43b4a

  • SSDEEP

    3072:SGa3UVdiUHXq6O6rDWqJG+22m5NcjkEWYXhT:St4diUo6PWqJGomMgSXB

Score
7/10

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies registry class 27 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1b55230be722a85a8c3e6c7f8ebeeaed.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\1b55230be722a85a8c3e6c7f8ebeeaed.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:4772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4772-0-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/4772-20155-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/4772-41110-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/4772-51443-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/4772-62504-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/4772-84022-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/4772-105953-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB