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Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 12:50 UTC

General

  • Target

    Fastcopy 5.4.3/FastCopy64/FastEx11.dll

  • Size

    311KB

  • MD5

    4e8541368912fbf84fd49519a66a8bab

  • SHA1

    082e23c0a2420cfe0a9ee9b31daa9c6c4be34740

  • SHA256

    0c0059a64ddb51209bd798644072cfc34b8b89ed37cd4fdeb051f7bb35818519

  • SHA512

    392470cc72bd782b442555569a304c16a442d332ee2f3706957738eef0256a174afa0bae9aeecf129a42e3773c7a249cfeb384a9811b8a5ab792c95132c5b15a

  • SSDEEP

    6144:OIn7m7fGtlqM3NIkV+vmq1pUNlF6CjyoTH6rcA0TnjuqOG:eGtlqz6q1pUNl/y66oRCxG

Score
4/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 3 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Modifies registry class 38 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\Fastcopy 5.4.3\FastCopy64\FastEx11.dll"
    1⤵
    • Modifies system executable filetype association
    • Registers COM server for autorun
    • Modifies registry class
    PID:1924

Network

  • flag-us
    DNS
    200.197.79.204.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    200.197.79.204.in-addr.arpa
    IN PTR
    Response
    200.197.79.204.in-addr.arpa
    IN PTR
    a-0001a-msedgenet
  • flag-us
    DNS
    g.bing.com
    Remote address:
    8.8.8.8:53
    Request
    g.bing.com
    IN A
    Response
    g.bing.com
    IN CNAME
    g-bing-com.a-0001.a-msedge.net
    g-bing-com.a-0001.a-msedge.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
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=
    Remote address:
    204.79.197.200:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MUID=313B72CFCD50650D36476139CCB064A7; domain=.bing.com; expires=Wed, 22-Jan-2025 12:50:58 GMT; path=/; SameSite=None; Secure; Priority=High;
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: 349B66C083324356978EB388E8ACCEB7 Ref B: LON04EDGE1220 Ref C: 2023-12-29T12:50:58Z
    date: Fri, 29 Dec 2023 12:50:58 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=
    Remote address:
    204.79.197.200:443
    Request
    GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=313B72CFCD50650D36476139CCB064A7
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MSPTC=Idfmp07X0Iwb6CexdktyuQxBDp_ScgWzwx6iK0IQLpA; domain=.bing.com; expires=Wed, 22-Jan-2025 12:50:58 GMT; path=/; Partitioned; secure; SameSite=None
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: C749D9D36AE64AA18D174DE3F73A0F24 Ref B: LON04EDGE1220 Ref C: 2023-12-29T12:50:58Z
    date: Fri, 29 Dec 2023 12:50:58 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=
    Remote address:
    204.79.197.200:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=313B72CFCD50650D36476139CCB064A7; MSPTC=Idfmp07X0Iwb6CexdktyuQxBDp_ScgWzwx6iK0IQLpA
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: B83146EB1F2D470EB68D1254C79ADC9B Ref B: LON04EDGE1220 Ref C: 2023-12-29T12:50:58Z
    date: Fri, 29 Dec 2023 12:50:58 GMT
  • flag-us
    DNS
    148.177.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    148.177.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    148.177.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    148.177.190.20.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
    43.58.199.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    43.58.199.20.in-addr.arpa
    IN PTR
    Response
  • 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
    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
    86.23.85.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    86.23.85.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    206.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    206.178.17.96.in-addr.arpa
    IN PTR
    Response
    206.178.17.96.in-addr.arpa
    IN PTR
    a96-17-178-206deploystaticakamaitechnologiescom
  • flag-us
    DNS
    43.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    43.229.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    6.173.189.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    6.173.189.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    6.173.189.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    6.173.189.20.in-addr.arpa
    IN PTR
  • 204.79.197.200:443
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=
    tls, http2
    2.3kB
    9.8kB
    23
    19

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=e1979bc4cb684a6cb6b893da0a29169c&localId=w:8DF2633F-10BE-C247-8B12-9A64CE5AE8FE&deviceId=6896190589629886&anid=

    HTTP Response

    204
  • 8.8.8.8:53
    200.197.79.204.in-addr.arpa
    dns
    73 B
    106 B
    1
    1

    DNS Request

    200.197.79.204.in-addr.arpa

  • 8.8.8.8:53
    g.bing.com
    dns
    56 B
    158 B
    1
    1

    DNS Request

    g.bing.com

    DNS Response

    204.79.197.200
    13.107.21.200

  • 8.8.8.8:53
    148.177.190.20.in-addr.arpa
    dns
    146 B
    159 B
    2
    1

    DNS Request

    148.177.190.20.in-addr.arpa

    DNS Request

    148.177.190.20.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
    43.58.199.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    43.58.199.20.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
    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
    86.23.85.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    86.23.85.13.in-addr.arpa

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

    DNS Request

    198.187.3.20.in-addr.arpa

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

    DNS Request

    206.178.17.96.in-addr.arpa

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

    DNS Request

    43.229.111.52.in-addr.arpa

  • 8.8.8.8:53
    6.173.189.20.in-addr.arpa
    dns
    142 B
    157 B
    2
    1

    DNS Request

    6.173.189.20.in-addr.arpa

    DNS Request

    6.173.189.20.in-addr.arpa

MITRE ATT&CK Enterprise v15

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