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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
    25/12/2024, 13:36 UTC

General

  • Target

    7zSCD97F9B7/libcurl.dll

  • Size

    218KB

  • MD5

    d09be1f47fd6b827c81a4812b4f7296f

  • SHA1

    028ae3596c0790e6d7f9f2f3c8e9591527d267f7

  • SHA256

    0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

  • SHA512

    857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

  • SSDEEP

    6144:Kk3jgivfCVSRrLV7yAVzKZIjCbanUKWw+ba//PXHUo:30iH0iVPVzKOOunLWf2//0

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\7zSCD97F9B7\libcurl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zSCD97F9B7\libcurl.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 652
        3⤵
        • Program crash
        PID:1096
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3284 -ip 3284
    1⤵
      PID:4152

    Network

    • flag-us
      DNS
      209.205.72.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      209.205.72.20.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
      4.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      4.159.190.20.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
      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
      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
      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
      18.31.95.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.31.95.13.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      107.12.20.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      107.12.20.2.in-addr.arpa
      IN PTR
      Response
      107.12.20.2.in-addr.arpa
      IN PTR
      a2-20-12-107deploystaticakamaitechnologiescom
    • flag-us
      DNS
      30.243.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      30.243.111.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      8.167.79.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.167.79.40.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      209.205.72.20.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      209.205.72.20.in-addr.arpa

    • 8.8.8.8:53
      73.144.22.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      73.144.22.2.in-addr.arpa

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

      DNS Request

      4.159.190.20.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
      58.55.71.13.in-addr.arpa
      dns
      70 B
      144 B
      1
      1

      DNS Request

      58.55.71.13.in-addr.arpa

    • 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
      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
      18.31.95.13.in-addr.arpa
      dns
      70 B
      144 B
      1
      1

      DNS Request

      18.31.95.13.in-addr.arpa

    • 8.8.8.8:53
      107.12.20.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      107.12.20.2.in-addr.arpa

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

      DNS Request

      30.243.111.52.in-addr.arpa

    • 8.8.8.8:53
      8.167.79.40.in-addr.arpa
      dns
      70 B
      144 B
      1
      1

      DNS Request

      8.167.79.40.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3284-0-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3284-1-0x0000000064941000-0x000000006494F000-memory.dmp

      Filesize

      56KB

    • memory/3284-4-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3284-5-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3284-3-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

    • memory/3284-2-0x0000000064940000-0x0000000064959000-memory.dmp

      Filesize

      100KB

    • memory/3284-7-0x000000006EB40000-0x000000006EB63000-memory.dmp

      Filesize

      140KB

    • memory/3284-9-0x000000006B440000-0x000000006B4CF000-memory.dmp

      Filesize

      572KB

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