Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 19:51

General

  • Target

    1291e42002f2573e1ffc21e13697e8a7b2173d2097be645369e52e949a7ae834.dll

  • Size

    339KB

  • MD5

    3bf48991916fef2d1512ba81a750765a

  • SHA1

    8283110fc75fff23697941b8019edc6e1ea2e673

  • SHA256

    1291e42002f2573e1ffc21e13697e8a7b2173d2097be645369e52e949a7ae834

  • SHA512

    aefbb6737371f1e51d1482138ba219040e310d42047c0b8492ff0d8429838ffca1793c9f1cf80b212aa671c6d87317c64638eb75487437ae33f4fee43cb06c5b

  • SSDEEP

    6144:xJ7D5RtYutKWXfsMWxbsFMTk8YnpjAycXdBkB:PbtYapX0yrXB

Malware Config

Signatures

  • Modifies Shared Task Scheduler registry keys 2 TTPs 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 10 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1291e42002f2573e1ffc21e13697e8a7b2173d2097be645369e52e949a7ae834.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1291e42002f2573e1ffc21e13697e8a7b2173d2097be645369e52e949a7ae834.dll,#1
      2⤵
      • Modifies Shared Task Scheduler registry keys
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\INR.dll

    Filesize

    339KB

    MD5

    02ed38b790361fc900eccfecaabdc632

    SHA1

    33a29f34d59fec86d9ecacd9e86dfe8229a34683

    SHA256

    d2101c6d5769cadc72cf03430722caa4dff8e3e7e8507027a31f3104266a407b

    SHA512

    ad9cddb043f52827ce7100298cfcf830c52ec703ffa062193efce522d8b0d37afe39d2da4804902235685b8470e57259eb2f99ee42790c7fe64bce3800ff1208

  • memory/1996-17-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-16-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-12-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-13-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-18-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-15-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-1-0x0000000077680000-0x0000000077681000-memory.dmp

    Filesize

    4KB

  • memory/1996-0-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-14-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-19-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-20-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-21-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-22-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-23-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-24-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB

  • memory/1996-25-0x00000000006B0000-0x000000000070C000-memory.dmp

    Filesize

    368KB