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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 16:51 UTC

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    11KB

  • MD5

    c17103ae9072a06da581dec998343fc1

  • SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

  • SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

  • SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • SSDEEP

    192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

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:2824
    • 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:3164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 612
        3⤵
        • Program crash
        PID:2764
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3164 -ip 3164
    1⤵
      PID:636

    Network

    • flag-us
      DNS
      55.36.223.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      55.36.223.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      197.87.175.4.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      197.87.175.4.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      15.164.165.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      15.164.165.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      139.190.18.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      139.190.18.2.in-addr.arpa
      IN PTR
      Response
      139.190.18.2.in-addr.arpa
      IN PTR
      a2-18-190-139deploystaticakamaitechnologiescom
    • flag-us
      DNS
      13.179.89.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.179.89.13.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      55.36.223.20.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      55.36.223.20.in-addr.arpa

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

      DNS Request

      197.87.175.4.in-addr.arpa

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

      DNS Request

      15.164.165.52.in-addr.arpa

    • 8.8.8.8:53
      139.190.18.2.in-addr.arpa
      dns
      71 B
      135 B
      1
      1

      DNS Request

      139.190.18.2.in-addr.arpa

    • 8.8.8.8:53
      13.179.89.13.in-addr.arpa
      dns
      71 B
      145 B
      1
      1

      DNS Request

      13.179.89.13.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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