Analysis

  • max time kernel
    96s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 05:08 UTC

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    11KB

  • MD5

    bf712f32249029466fa86756f5546950

  • SHA1

    75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

  • SHA256

    7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

  • SHA512

    13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

  • SSDEEP

    192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/

Score
3/10

Malware Config

Signatures

  • Program crash 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 612
        3⤵
        • Program crash
        PID:2624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1320 -ip 1320
    1⤵
      PID:4020

    Network

    • flag-us
      DNS
      228.249.119.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      228.249.119.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      0.205.248.87.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      0.205.248.87.in-addr.arpa
      IN PTR
      Response
      0.205.248.87.in-addr.arpa
      IN PTR
      https-87-248-205-0lgwllnwnet
    • flag-us
      DNS
      140.32.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      140.32.126.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      95.221.229.192.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      95.221.229.192.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      26.165.165.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      26.165.165.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      56.126.166.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      56.126.166.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      172.214.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.214.232.199.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      240.221.184.93.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.221.184.93.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      43.229.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      43.229.111.52.in-addr.arpa
      IN PTR
      Response
    • 52.111.227.13:443
      322 B
      7
    • 8.8.8.8:53
      228.249.119.40.in-addr.arpa
      dns
      73 B
      159 B
      1
      1

      DNS Request

      228.249.119.40.in-addr.arpa

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

      DNS Request

      140.32.126.40.in-addr.arpa

    • 8.8.8.8:53
      0.205.248.87.in-addr.arpa
      dns
      71 B
      116 B
      1
      1

      DNS Request

      0.205.248.87.in-addr.arpa

    • 8.8.8.8:53
      95.221.229.192.in-addr.arpa
      dns
      73 B
      144 B
      1
      1

      DNS Request

      95.221.229.192.in-addr.arpa

    • 8.8.8.8:53
      26.165.165.52.in-addr.arpa
      dns
      72 B
      146 B
      1
      1

      DNS Request

      26.165.165.52.in-addr.arpa

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

      DNS Request

      56.126.166.20.in-addr.arpa

    • 8.8.8.8:53
      172.214.232.199.in-addr.arpa
      dns
      74 B
      128 B
      1
      1

      DNS Request

      172.214.232.199.in-addr.arpa

    • 8.8.8.8:53
      240.221.184.93.in-addr.arpa
      dns
      73 B
      144 B
      1
      1

      DNS Request

      240.221.184.93.in-addr.arpa

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

      DNS Request

      43.229.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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