Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 21:01

General

  • Target

    AutoUpdate/AutoUpdateUtil.dll

  • Size

    198KB

  • MD5

    1e751e9ac7a6905d2f1b2860cc7d37a7

  • SHA1

    6e7171f68a1c432a512cae3901d35faad550ca0e

  • SHA256

    9b95b90e36e4f7bf257e56fadf6f7630fa70696c072f7b8d6de05eab87e0674e

  • SHA512

    f54af4149c1d24f05fdb3c1d8b48f31444763e7c4effdcd9013c8c90a8aa7fa4531b00d5ee1b3f08fcfbebcd06aaf8aa318c40943a59e611d5c24435a0562034

  • SSDEEP

    3072:3Oq3B8kyfQQC2mC2gbvCsGowP96rH0Vu3b1vJ4gMdyJVj+G3O1fnAtZY:eq3BJ4vCCa9VgxR+GGvAK

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdateUtil.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdateUtil.dll,#1
      2⤵
        PID:3192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 612
          3⤵
          • Program crash
          PID:2716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3192 -ip 3192
      1⤵
        PID:4512

      Network

      • flag-us
        DNS
        g.bing.com
        Remote address:
        8.8.8.8:53
        Request
        g.bing.com
        IN A
        Response
        g.bing.com
        IN CNAME
        g-bing-com.dual-a-0034.a-msedge.net
        g-bing-com.dual-a-0034.a-msedge.net
        IN CNAME
        dual-a-0034.a-msedge.net
        dual-a-0034.a-msedge.net
        IN A
        204.79.197.237
        dual-a-0034.a-msedge.net
        IN A
        13.107.21.237
      • flag-us
        DNS
        22.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        22.160.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        237.197.79.204.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        237.197.79.204.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        26.35.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        26.35.223.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        194.142.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        194.142.123.92.in-addr.arpa
        IN PTR
        Response
        194.142.123.92.in-addr.arpa
        IN PTR
        a92-123-142-194deploystaticakamaitechnologiescom
      • flag-us
        DNS
        103.169.127.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        103.169.127.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        171.39.242.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        171.39.242.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        59.170.16.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        59.170.16.2.in-addr.arpa
        IN PTR
        Response
        59.170.16.2.in-addr.arpa
        IN PTR
        a2-16-170-59deploystaticakamaitechnologiescom
      • flag-us
        DNS
        192.142.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        192.142.123.92.in-addr.arpa
        IN PTR
        Response
        192.142.123.92.in-addr.arpa
        IN PTR
        a92-123-142-192deploystaticakamaitechnologiescom
      • flag-us
        DNS
        29.243.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        29.243.111.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        235.143.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        235.143.123.92.in-addr.arpa
        IN PTR
        Response
        235.143.123.92.in-addr.arpa
        IN PTR
        a92-123-143-235deploystaticakamaitechnologiescom
      • 204.79.197.237:443
        g.bing.com
        tls
        2.0kB
        9.3kB
        22
        18
      • 8.8.8.8:53
        g.bing.com
        dns
        56 B
        151 B
        1
        1

        DNS Request

        g.bing.com

        DNS Response

        204.79.197.237
        13.107.21.237

      • 8.8.8.8:53
        22.160.190.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        22.160.190.20.in-addr.arpa

      • 8.8.8.8:53
        237.197.79.204.in-addr.arpa
        dns
        73 B
        143 B
        1
        1

        DNS Request

        237.197.79.204.in-addr.arpa

      • 8.8.8.8:53
        26.35.223.20.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        26.35.223.20.in-addr.arpa

      • 8.8.8.8:53
        194.142.123.92.in-addr.arpa
        dns
        73 B
        139 B
        1
        1

        DNS Request

        194.142.123.92.in-addr.arpa

      • 8.8.8.8:53
        103.169.127.40.in-addr.arpa
        dns
        73 B
        147 B
        1
        1

        DNS Request

        103.169.127.40.in-addr.arpa

      • 8.8.8.8:53
        171.39.242.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        171.39.242.20.in-addr.arpa

      • 8.8.8.8:53
        59.170.16.2.in-addr.arpa
        dns
        70 B
        133 B
        1
        1

        DNS Request

        59.170.16.2.in-addr.arpa

      • 8.8.8.8:53
        192.142.123.92.in-addr.arpa
        dns
        73 B
        139 B
        1
        1

        DNS Request

        192.142.123.92.in-addr.arpa

      • 8.8.8.8:53
        29.243.111.52.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        29.243.111.52.in-addr.arpa

      • 8.8.8.8:53
        235.143.123.92.in-addr.arpa
        dns
        73 B
        139 B
        1
        1

        DNS Request

        235.143.123.92.in-addr.arpa

      MITRE ATT&CK Matrix

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