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Overview

overview

3

Static

static

3

KRNLWRD/Bu....3.dll

windows7-x64

1

KRNLWRD/Bu....3.dll

windows10-2004-x64

1

KRNLWRD/Sc...ET.dll

windows7-x64

1

KRNLWRD/Sc...ET.dll

windows10-2004-x64

1

KRNLWRD/autoexec.lnk

windows7-x64

3

KRNLWRD/autoexec.lnk

windows10-2004-x64

3

KRNLWRD/injector.dll

windows7-x64

1

KRNLWRD/injector.dll

windows10-2004-x64

1

KRNLWRD/krnl.dll

windows7-x64

1

KRNLWRD/krnl.dll

windows10-2004-x64

3

KRNLWRD/krnl.exe

windows7-x64

3

KRNLWRD/krnl.exe

windows10-2004-x64

1

KRNLWRD/workspace.lnk

windows7-x64

3

KRNLWRD/workspace.lnk

windows10-2004-x64

3

Analysis

  • max time kernel
    66s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2024, 16:22 UTC

Sharing

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Report Analysis Logs

General

  • Target

    KRNLWRD/krnl.dll

  • Size

    5.3MB

  • MD5

    e9921b7d3ff7044834e0c5998270cd0c

  • SHA1

    e30c5794dbc92578d5bbd23d095a4a256caf4912

  • SHA256

    c0e5c51445b189f8a17529ce8fce8d11ed7f99211e19684228fdd12366c458ab

  • SHA512

    8a9a83050fee7084caa606f5e26018d4ce4b0a7a10e481fcdd8b1eae6c7b459dbe633b5b4b03b91d49427481f9e03880a64418a7e52ad6c06d25de98692a028e

  • SSDEEP

    98304:QsK42Kx51uNmHTgZk74mqBjqSQWJuR7iGsMPD4nBx1GyePSByA5Pzm:Iwr154XBJQWaKSsnBv6a5Pz

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNLWRD\krnl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNLWRD\krnl.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 712
        3⤵
        • Program crash
        PID:1888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3084 -ip 3084
    1⤵
      PID:5104

    Network

    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      g.bing.com
      Remote address:
      8.8.8.8:53
      Request
      g.bing.com
      IN A
    • flag-us
      DNS
      g.bing.com
      Remote address:
      8.8.8.8:53
      Request
      g.bing.com
      IN A
    • flag-us
      DNS
      g.bing.com
      Remote address:
      8.8.8.8:53
      Request
      g.bing.com
      IN A
    • flag-us
      DNS
      g.bing.com
      Remote address:
      8.8.8.8:53
      Request
      g.bing.com
      IN A
    • flag-us
      DNS
      g.bing.com
      Remote address:
      8.8.8.8:53
      Request
      g.bing.com
      IN A
    No results found
    • 8.8.8.8:53
      8.8.8.8.in-addr.arpa
      dns
      330 B
       5

      DNS Request

      8.8.8.8.in-addr.arpa

      DNS Request

      8.8.8.8.in-addr.arpa

      DNS Request

      8.8.8.8.in-addr.arpa

      DNS Request

      8.8.8.8.in-addr.arpa

      DNS Request

      8.8.8.8.in-addr.arpa

    • 8.8.8.8:53
      g.bing.com
      dns
      280 B
       5

      DNS Request

      g.bing.com

      DNS Request

      g.bing.com

      DNS Request

      g.bing.com

      DNS Request

      g.bing.com

      DNS Request

      g.bing.com

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3084-2-0x00000000742E0000-0x000000007504C000-memory.dmp

      Filesize

      13.4MB

      Download

    • memory/3084-0-0x00000000013E0000-0x00000000013E1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3084-4-0x00000000742E0000-0x000000007504C000-memory.dmp

      Filesize

      13.4MB

      Download

    • memory/3084-5-0x00000000742E0000-0x000000007504C000-memory.dmp

      Filesize

      13.4MB

      Download

    • memory/3084-6-0x0000000002E70000-0x0000000002E71000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3084-7-0x00000000742E0000-0x000000007504C000-memory.dmp

      Filesize

      13.4MB

      Download

    • memory/3084-8-0x00000000742E0000-0x000000007504C000-memory.dmp

      Filesize

      13.4MB

      Download

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