Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 16:55 UTC

General

  • Target

    $PLUGINSDIR/UAC.dll

  • Size

    17KB

  • MD5

    09caf01bc8d88eeb733abc161acff659

  • SHA1

    b8c2126d641f88628c632dd2259686da3776a6da

  • SHA256

    3555afe95e8bb269240a21520361677b280562b802978fccfb27490c79b9a478

  • SHA512

    ef1e8fc4fc8f5609483b2c459d00a47036699dfb70b6be6f10a30c5d2fc66bae174345bffa9a44abd9ca029e609ff834d701ff6a769cca09fe5562365d5010fa

  • SSDEEP

    384:w9JzaeWrF8d22hXAGFkr2WqErkuCYMAWS5Ns8AXXki:wLaBrrTXr3qruCYuS5qk

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\UAC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 624
        3⤵
        • Program crash
        PID:544
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5072 -ip 5072
    1⤵
      PID:2320

    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
      Response
      8.8.8.8.in-addr.arpa
      IN PTR
      dnsgoogle
    • flag-us
      DNS
      154.239.44.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      154.239.44.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      44.56.20.217.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      44.56.20.217.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      58.55.71.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      58.55.71.13.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      58.55.71.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      58.55.71.13.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      58.55.71.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      58.55.71.13.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      58.55.71.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      58.55.71.13.in-addr.arpa
      IN PTR
    • 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
      71.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      71.159.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      71.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      71.159.190.20.in-addr.arpa
      IN PTR
    • 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
      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
      103.169.127.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      103.169.127.40.in-addr.arpa
      IN PTR
    • 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
    • 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
      172.210.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.210.232.199.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      172.210.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.210.232.199.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      104.219.191.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      104.219.191.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      31.243.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      31.243.111.52.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      8.8.8.8.in-addr.arpa
      dns
      66 B
      90 B
      1
      1

      DNS Request

      8.8.8.8.in-addr.arpa

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

      DNS Request

      154.239.44.20.in-addr.arpa

    • 8.8.8.8:53
      44.56.20.217.in-addr.arpa
      dns
      71 B
      131 B
      1
      1

      DNS Request

      44.56.20.217.in-addr.arpa

    • 8.8.8.8:53
      58.55.71.13.in-addr.arpa
      dns
      280 B
      144 B
      4
      1

      DNS Request

      58.55.71.13.in-addr.arpa

      DNS Request

      58.55.71.13.in-addr.arpa

      DNS Request

      58.55.71.13.in-addr.arpa

      DNS Request

      58.55.71.13.in-addr.arpa

    • 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
      71.159.190.20.in-addr.arpa
      dns
      144 B
      158 B
      2
      1

      DNS Request

      71.159.190.20.in-addr.arpa

      DNS Request

      71.159.190.20.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
      103.169.127.40.in-addr.arpa
      dns
      219 B
      147 B
      3
      1

      DNS Request

      103.169.127.40.in-addr.arpa

      DNS Request

      103.169.127.40.in-addr.arpa

      DNS Request

      103.169.127.40.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
      172.210.232.199.in-addr.arpa
      dns
      148 B
      128 B
      2
      1

      DNS Request

      172.210.232.199.in-addr.arpa

      DNS Request

      172.210.232.199.in-addr.arpa

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

      DNS Request

      104.219.191.52.in-addr.arpa

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

      DNS Request

      31.243.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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