Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 09:28 UTC

General

  • Target

    $PLUGINSDIR/nsRandom.dll

  • Size

    21KB

  • MD5

    ab467b8dfaa660a0f0e5b26e28af5735

  • SHA1

    596abd2c31eaff3479edf2069db1c155b59ce74d

  • SHA256

    db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

  • SHA512

    7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

  • SSDEEP

    384:LCHDPMs4GdtyO5roguusMxUXiO3wOw95euooP2UgKbd9BvNtf:LCHD6Gh87MKXil/5r2U3z

Score
5/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\nsRandom.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 620
        3⤵
        • Program crash
        PID:1980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2392 -ip 2392
    1⤵
      PID:3560

    Network

    • 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
      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
      67.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      67.209.201.84.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      71.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      71.31.126.40.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
      196.249.167.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      196.249.167.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      56.163.245.4.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      56.163.245.4.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      206.23.85.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      206.23.85.13.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
      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
      48.229.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      48.229.111.52.in-addr.arpa
      IN PTR
      Response
    No results found
    • 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
      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
      67.209.201.84.in-addr.arpa
      dns
      72 B
      132 B
      1
      1

      DNS Request

      67.209.201.84.in-addr.arpa

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

      DNS Request

      71.31.126.40.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
      196.249.167.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      196.249.167.52.in-addr.arpa

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

      DNS Request

      56.163.245.4.in-addr.arpa

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

      DNS Request

      206.23.85.13.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
      172.210.232.199.in-addr.arpa
      dns
      74 B
      128 B
      1
      1

      DNS Request

      172.210.232.199.in-addr.arpa

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

      DNS Request

      48.229.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2392-0-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2392-2-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

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