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Analysis

  • max time kernel
    25s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 15:12 UTC

General

  • Target

    c3fdcec878ac032f4bb4c73a8ba9b08dd546e931d6f0f24bf905207501ba0b07.exe

  • Size

    29KB

  • MD5

    77cbd091343b10c2be75931a0ce4f1ab

  • SHA1

    45ec8ff2ff454638e75796575e2468b0ea2fb182

  • SHA256

    c3fdcec878ac032f4bb4c73a8ba9b08dd546e931d6f0f24bf905207501ba0b07

  • SHA512

    f3355d91d5ff74e46e0fd68abbd8b8c126e0b3391a4916b41c9c2005008ae6104c01c12b1512d2ee729ab379c2e61be755424f27da90a2b2964a8758f4b0b2dd

  • SSDEEP

    768:Mef5bWAYY9njfp7pq7nD3kFkNXwrSBh0pPSEON9g74Y:h5x9u7nD0FkNArSBCvOe4

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3fdcec878ac032f4bb4c73a8ba9b08dd546e931d6f0f24bf905207501ba0b07.exe
    "C:\Users\Admin\AppData\Local\Temp\c3fdcec878ac032f4bb4c73a8ba9b08dd546e931d6f0f24bf905207501ba0b07.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\delself.bat
      2⤵
        PID:4796

    Network

    • flag-us
      DNS
      146.177.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      146.177.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      146.177.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      146.177.190.20.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      208.194.73.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      208.194.73.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      175.178.17.96.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      175.178.17.96.in-addr.arpa
      IN PTR
      Response
      175.178.17.96.in-addr.arpa
      IN PTR
      a96-17-178-175deploystaticakamaitechnologiescom
    • 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
      95.221.229.192.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      95.221.229.192.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      9.228.82.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      9.228.82.20.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
      41.110.16.96.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      41.110.16.96.in-addr.arpa
      IN PTR
      Response
      41.110.16.96.in-addr.arpa
      IN PTR
      a96-16-110-41deploystaticakamaitechnologiescom
    • flag-us
      DNS
      183.59.114.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      183.59.114.20.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
      www.microsoft.com
      Remote address:
      8.8.8.8:53
      Request
      www.microsoft.com
      IN A
      Response
      www.microsoft.com
      IN CNAME
      www.microsoft.com-c-3.edgekey.net
      www.microsoft.com-c-3.edgekey.net
      IN CNAME
      www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net
      www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net
      IN CNAME
      e13678.dscb.akamaiedge.net
      e13678.dscb.akamaiedge.net
      IN A
      2.17.5.133
    • flag-us
      GET
      http://www.microsoft.com/pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt
      Remote address:
      2.17.5.133:80
      Request
      GET /pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt HTTP/1.1
      Connection: Keep-Alive
      Accept: */*
      User-Agent: Microsoft-CryptoAPI/10.0
      Host: www.microsoft.com
      Response
      HTTP/1.1 200 OK
      Content-Length: 1126
      Content-Type: application/octet-stream
      Content-MD5: YAUaFgF7vUODUG8XQQW6BQ==
      Last-Modified: Fri, 28 Sep 2018 22:50:05 GMT
      ETag: 0x8D62594BC0C84D8
      x-ms-request-id: 248119ca-e01e-000c-7bd0-f8d0b8000000
      x-ms-version: 2009-09-19
      x-ms-lease-status: unlocked
      x-ms-blob-type: BlockBlob
      X-EdgeConnect-Origin-MEX-Latency: 105
      Date: Mon, 01 Jan 2024 15:18:33 GMT
      Connection: keep-alive
      TLS_version: UNKNOWN
      ms-cv: CASMicrosoftCV2d8c0fef.0
      ms-cv-esi: CASMicrosoftCV2d8c0fef.0
      X-RTag: RT
    • flag-us
      GET
      http://www.microsoft.com/pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt
      Remote address:
      2.17.5.133:80
      Request
      GET /pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt HTTP/1.1
      Connection: Keep-Alive
      Accept: */*
      User-Agent: Microsoft-CryptoAPI/10.0
      Host: www.microsoft.com
      Response
      HTTP/1.1 200 OK
      Content-Length: 1126
      Content-Type: application/octet-stream
      Content-MD5: YAUaFgF7vUODUG8XQQW6BQ==
      Last-Modified: Fri, 28 Sep 2018 22:50:05 GMT
      ETag: 0x8D62594BC0C84D8
      x-ms-request-id: 248119ca-e01e-000c-7bd0-f8d0b8000000
      x-ms-version: 2009-09-19
      x-ms-lease-status: unlocked
      x-ms-blob-type: BlockBlob
      Date: Mon, 01 Jan 2024 15:18:35 GMT
      Connection: keep-alive
      TLS_version: UNKNOWN
      ms-cv: CASMicrosoftCV4c9d3ee5.0
      ms-cv-esi: CASMicrosoftCV4c9d3ee5.0
      X-RTag: RT
    • flag-us
      DNS
      133.5.17.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      133.5.17.2.in-addr.arpa
      IN PTR
      Response
      133.5.17.2.in-addr.arpa
      IN PTR
      a2-17-5-133deploystaticakamaitechnologiescom
    • flag-us
      DNS
      18.134.221.88.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.134.221.88.in-addr.arpa
      IN PTR
      Response
      18.134.221.88.in-addr.arpa
      IN PTR
      a88-221-134-18deploystaticakamaitechnologiescom
    • flag-us
      DNS
      18.134.221.88.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.134.221.88.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      18.134.221.88.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.134.221.88.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      158.240.127.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      158.240.127.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      tse1.mm.bing.net
      Remote address:
      8.8.8.8:53
      Request
      tse1.mm.bing.net
      IN A
      Response
      tse1.mm.bing.net
      IN CNAME
      mm-mm.bing.net.trafficmanager.net
      mm-mm.bing.net.trafficmanager.net
      IN CNAME
      dual-a-0001.a-msedge.net
      dual-a-0001.a-msedge.net
      IN A
      204.79.197.200
      dual-a-0001.a-msedge.net
      IN A
      13.107.21.200
    • flag-us
      DNS
      209.178.17.96.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      209.178.17.96.in-addr.arpa
      IN PTR
      Response
      209.178.17.96.in-addr.arpa
      IN PTR
      a96-17-178-209deploystaticakamaitechnologiescom
    • flag-us
      DNS
      15.173.189.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      15.173.189.20.in-addr.arpa
      IN PTR
      Response
    • 52.142.223.178:80
      46 B
      1
    • 2.17.5.133:80
      http://www.microsoft.com/pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt
      http
      418 B
      1.8kB
      5
      4

      HTTP Request

      GET http://www.microsoft.com/pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt

      HTTP Response

      200
    • 2.17.5.133:80
      http://www.microsoft.com/pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt
      http
      672 B
      2.0kB
      10
      8

      HTTP Request

      GET http://www.microsoft.com/pkiops/certs/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crt

      HTTP Response

      200
    • 204.79.197.200:443
      tse1.mm.bing.net
      tls
      37.0kB
      901.5kB
      659
      659
    • 204.79.197.200:443
      tse1.mm.bing.net
      tls
      1.2kB
      8.3kB
      15
      14
    • 204.79.197.200:443
      tse1.mm.bing.net
      tls
      940 B
      7.6kB
      11
      9
    • 204.79.197.200:443
      tse1.mm.bing.net
      tls
      1.2kB
      8.3kB
      15
      14
    • 204.79.197.200:443
      tse1.mm.bing.net
      tls
      1.4kB
      8.2kB
      15
      12
    • 8.8.8.8:53
      146.177.190.20.in-addr.arpa
      dns
      146 B
      159 B
      2
      1

      DNS Request

      146.177.190.20.in-addr.arpa

      DNS Request

      146.177.190.20.in-addr.arpa

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

      DNS Request

      208.194.73.20.in-addr.arpa

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

      DNS Request

      175.178.17.96.in-addr.arpa

    • 8.8.8.8:53
      95.221.229.192.in-addr.arpa
      dns
      146 B
      144 B
      2
      1

      DNS Request

      95.221.229.192.in-addr.arpa

      DNS Request

      95.221.229.192.in-addr.arpa

    • 8.8.8.8:53
      9.228.82.20.in-addr.arpa
      dns
      70 B
      156 B
      1
      1

      DNS Request

      9.228.82.20.in-addr.arpa

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

      DNS Request

      26.35.223.20.in-addr.arpa

    • 8.8.8.8:53
      41.110.16.96.in-addr.arpa
      dns
      71 B
      135 B
      1
      1

      DNS Request

      41.110.16.96.in-addr.arpa

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

      DNS Request

      183.59.114.20.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
      www.microsoft.com
      dns
      63 B
      230 B
      1
      1

      DNS Request

      www.microsoft.com

      DNS Response

      2.17.5.133

    • 8.8.8.8:53
      133.5.17.2.in-addr.arpa
      dns
      69 B
      131 B
      1
      1

      DNS Request

      133.5.17.2.in-addr.arpa

    • 8.8.8.8:53
      18.134.221.88.in-addr.arpa
      dns
      216 B
      137 B
      3
      1

      DNS Request

      18.134.221.88.in-addr.arpa

      DNS Request

      18.134.221.88.in-addr.arpa

      DNS Request

      18.134.221.88.in-addr.arpa

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

      DNS Request

      158.240.127.40.in-addr.arpa

    • 8.8.8.8:53
      tse1.mm.bing.net
      dns
      62 B
      173 B
      1
      1

      DNS Request

      tse1.mm.bing.net

      DNS Response

      204.79.197.200
      13.107.21.200

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

      DNS Request

      209.178.17.96.in-addr.arpa

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

      DNS Request

      15.173.189.20.in-addr.arpa

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\RESTORE_YOUR_FILES.txt

      Filesize

      292B

      MD5

      4749876eec0450c2ca869428da5db7b5

      SHA1

      6d591510911ac2315702c1ea3705b8115653b873

      SHA256

      31163fcae4314f3e67a38597c93ae8f30d5d1d2c97ee95ccbac447aa1ba95ac0

      SHA512

      94e29db75377845e4355e3f401a99e9cb8f7a0150fb4cec51fdd4ea8187ab17561c1161b62af54ba36dbd809bbec28123d86212ba3884c5500ab00399658b4bd

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