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Analysis

  • max time kernel
    92s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 02:19 UTC

General

  • Target

    External/ComponentsExt/api-ms-win-crt-locale-l1-1-0.dll

  • Size

    18KB

  • MD5

    a2f2258c32e3ba9abf9e9e38ef7da8c9

  • SHA1

    116846ca871114b7c54148ab2d968f364da6142f

  • SHA256

    565a2eec5449eeeed68b430f2e9b92507f979174f9c9a71d0c36d58b96051c33

  • SHA512

    e98cbc8d958e604effa614a3964b3d66b6fc646bdca9aa679ea5e4eb92ec0497b91485a40742f3471f4ff10de83122331699edc56a50f06ae86f21fad70953fe

  • SSDEEP

    192:fiWIghWGZirX+4z123Ouo+Uggs/nGfe4pBjS/RFcpOWh0txKdmVWQ4GWs8ylDikh:aWPhWjO4Ri00GftpBjZOemSXlvNQ0

Score
3/10

Malware Config

Signatures

  • 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\External\ComponentsExt\api-ms-win-crt-locale-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\External\ComponentsExt\api-ms-win-crt-locale-l1-1-0.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3248

Network

  • flag-us
    DNS
    232.168.11.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    232.168.11.51.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    90.160.77.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    90.160.77.104.in-addr.arpa
    IN PTR
    Response
    90.160.77.104.in-addr.arpa
    IN PTR
    a104-77-160-90deploystaticakamaitechnologiescom
  • 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
    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
    217.106.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.106.137.52.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
    171.39.242.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    171.39.242.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    134.71.91.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    134.71.91.104.in-addr.arpa
    IN PTR
    Response
    134.71.91.104.in-addr.arpa
    IN PTR
    a104-91-71-134deploystaticakamaitechnologiescom
No results found
  • 8.8.8.8:53
    232.168.11.51.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    232.168.11.51.in-addr.arpa

  • 8.8.8.8:53
    90.160.77.104.in-addr.arpa
    dns
    72 B
    137 B
    1
    1

    DNS Request

    90.160.77.104.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
    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
    217.106.137.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    217.106.137.52.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
    171.39.242.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    171.39.242.20.in-addr.arpa

  • 8.8.8.8:53
    134.71.91.104.in-addr.arpa
    dns
    72 B
    137 B
    1
    1

    DNS Request

    134.71.91.104.in-addr.arpa

MITRE ATT&CK Enterprise v15

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