Analysis

  • max time kernel
    1507s
  • max time network
    1497s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240730-en
  • resource tags

    arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-08-2024 07:34

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    12KB

  • MD5

    0d7ad4f45dc6f5aa87f606d0331c6901

  • SHA1

    48df0911f0484cbe2a8cdd5362140b63c41ee457

  • SHA256

    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

  • SHA512

    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

  • SSDEEP

    192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

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:1464
    • 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:1488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 460
        3⤵
        • Program crash
        PID:232
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1488 -ip 1488
    1⤵
      PID:1096

    Network

    • flag-us
      DNS
      14.227.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      14.227.111.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      28.173.189.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      28.173.189.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      73.144.22.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      73.144.22.2.in-addr.arpa
      IN PTR
      Response
      73.144.22.2.in-addr.arpa
      IN PTR
      a2-22-144-73deploystaticakamaitechnologiescom
    • flag-us
      DNS
      81.144.22.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      81.144.22.2.in-addr.arpa
      IN PTR
      Response
      81.144.22.2.in-addr.arpa
      IN PTR
      a2-22-144-81deploystaticakamaitechnologiescom
    • flag-us
      DNS
      arc.msn.com
      Remote address:
      8.8.8.8:53
      Request
      arc.msn.com
      IN A
      Response
      arc.msn.com
      IN CNAME
      arc.trafficmanager.net
      arc.trafficmanager.net
      IN CNAME
      iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
      iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
      IN A
      20.223.35.26
    • flag-us
      DNS
      138.32.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      138.32.126.40.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
      arc.msn.com
      Remote address:
      8.8.8.8:53
      Request
      arc.msn.com
      IN A
      Response
      arc.msn.com
      IN CNAME
      arc.trafficmanager.net
      arc.trafficmanager.net
      IN CNAME
      iris-de-prod-azsc-v2-weu.westeurope.cloudapp.azure.com
      iris-de-prod-azsc-v2-weu.westeurope.cloudapp.azure.com
      IN A
      20.103.156.88
    • flag-us
      DNS
      88.156.103.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      88.156.103.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      ctldl.windowsupdate.com
      Remote address:
      8.8.8.8:53
      Request
      ctldl.windowsupdate.com
      IN A
      Response
      ctldl.windowsupdate.com
      IN CNAME
      ctldl.windowsupdate.com.delivery.microsoft.com
      ctldl.windowsupdate.com.delivery.microsoft.com
      IN CNAME
      wu-b-net.trafficmanager.net
      wu-b-net.trafficmanager.net
      IN CNAME
      download.windowsupdate.com.edgesuite.net
      download.windowsupdate.com.edgesuite.net
      IN CNAME
      a767.dspw65.akamai.net
      a767.dspw65.akamai.net
      IN A
      2.22.144.73
      a767.dspw65.akamai.net
      IN A
      2.22.144.81
    • flag-us
      DNS
      ris.api.iris.microsoft.com
      Remote address:
      8.8.8.8:53
      Request
      ris.api.iris.microsoft.com
      IN A
      Response
      ris.api.iris.microsoft.com
      IN CNAME
      ris-prod.trafficmanager.net
      ris-prod.trafficmanager.net
      IN CNAME
      asf-ris-prod-neu-azsc.northeurope.cloudapp.azure.com
      asf-ris-prod-neu-azsc.northeurope.cloudapp.azure.com
      IN A
      20.234.120.54
    • flag-us
      DNS
      arc.msn.com
      Remote address:
      8.8.8.8:53
      Request
      arc.msn.com
      IN A
      Response
      arc.msn.com
      IN CNAME
      arc.trafficmanager.net
      arc.trafficmanager.net
      IN CNAME
      iris-de-prod-azsc-v2-frc.francecentral.cloudapp.azure.com
      iris-de-prod-azsc-v2-frc.francecentral.cloudapp.azure.com
      IN A
      20.199.58.43
    • 150.171.27.10:443
      tse1.mm.bing.net
      tls
      170.1kB
      4.1MB
      2964
      2957
    • 150.171.27.10:443
      tse1.mm.bing.net
      tls
      1.6kB
      7.2kB
      17
      15
    • 150.171.27.10:443
      tse1.mm.bing.net
      tls
      1.6kB
      7.2kB
      17
      15
    • 150.171.27.10:443
      tse1.mm.bing.net
      tls
      1.6kB
      7.2kB
      17
      15
    • 150.171.27.10:443
      tse1.mm.bing.net
      tls
      1.6kB
      7.2kB
      17
      15
    • 8.8.8.8:53
      14.227.111.52.in-addr.arpa
      dns
      811 B
      2.1kB
      12
      12

      DNS Request

      14.227.111.52.in-addr.arpa

      DNS Request

      28.173.189.20.in-addr.arpa

      DNS Request

      73.144.22.2.in-addr.arpa

      DNS Request

      81.144.22.2.in-addr.arpa

      DNS Request

      arc.msn.com

      DNS Response

      20.223.35.26

      DNS Request

      138.32.126.40.in-addr.arpa

      DNS Request

      26.35.223.20.in-addr.arpa

      DNS Request

      arc.msn.com

      DNS Response

      20.103.156.88

      DNS Request

      88.156.103.20.in-addr.arpa

      DNS Request

      ctldl.windowsupdate.com

      DNS Response

      2.22.144.73
      2.22.144.81

      DNS Request

      ris.api.iris.microsoft.com

      DNS Response

      20.234.120.54

      DNS Request

      arc.msn.com

      DNS Response

      20.199.58.43

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    We care about your privacy.

    This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.