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Analysis

  • max time kernel
    95s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 16:14 UTC

General

  • Target

    $PLUGINSDIR/ShellExecAsUser.dll

  • Size

    89KB

  • MD5

    42865be4950639e871fed3a55b790d7b

  • SHA1

    c6f52d75dec3e215ff0ed3f9ffd4a2e05e3a31c4

  • SHA256

    c2c32ec71d26b8b4c451401eea1b00fb110ae6f530301605f8d5f71fb7bd738e

  • SHA512

    2bf28f0b39d4b10325b7038b71519819f6923ba11fcbf510c6be2e02291741ec3d79f4be651df9e0fe1ce4227498a1449463407622dfdd924b81e8681fe6bb67

  • SSDEEP

    1536:nZUcH87dl2uUVzmk1zaOvSTamTa4Uyf/fhcQYDZZsWjcdojmV/1Boq:2BZlWVzmupvADrymojmV/Eq

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\$PLUGINSDIR\ShellExecAsUser.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellExecAsUser.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 628
        3⤵
        • Program crash
        PID:4220
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1540 -ip 1540
    1⤵
      PID:3256

    Network

    • 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.ax-0001.ax-msedge.net
      g-bing-com.ax-0001.ax-msedge.net
      IN CNAME
      ax-0001.ax-msedge.net
      ax-0001.ax-msedge.net
      IN A
      150.171.27.10
      ax-0001.ax-msedge.net
      IN A
      150.171.28.10
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=
      Remote address:
      150.171.27.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&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=093124EF45A8637538FD31FB446A6289; domain=.bing.com; expires=Tue, 04-Nov-2025 16:14:14 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: 0CF303D2709648B096E1D70F8F44941D Ref B: LON601060106011 Ref C: 2024-10-10T16:14:14Z
      date: Thu, 10 Oct 2024 16:14:14 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=
      Remote address:
      150.171.27.10:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=093124EF45A8637538FD31FB446A6289
      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=Ev7R2ynrrlKq-66oyP6d5lblFk6Nyh5AK7GbGqUgU1c; domain=.bing.com; expires=Tue, 04-Nov-2025 16:14:15 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: 480A14CC01CB423F9530F84F45B87B51 Ref B: LON601060106011 Ref C: 2024-10-10T16:14:15Z
      date: Thu, 10 Oct 2024 16:14:14 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=
      Remote address:
      150.171.27.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=093124EF45A8637538FD31FB446A6289; MSPTC=Ev7R2ynrrlKq-66oyP6d5lblFk6Nyh5AK7GbGqUgU1c
      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: 5CE9035AC23B4ABE87EF495E2839287D Ref B: LON601060106011 Ref C: 2024-10-10T16:14:15Z
      date: Thu, 10 Oct 2024 16:14:14 GMT
    • flag-us
      DNS
      72.32.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      72.32.126.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      83.210.23.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      83.210.23.2.in-addr.arpa
      IN PTR
      Response
      83.210.23.2.in-addr.arpa
      IN PTR
      a2-23-210-83deploystaticakamaitechnologiescom
    • 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
      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
      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
      75.117.19.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      75.117.19.2.in-addr.arpa
      IN PTR
      Response
      75.117.19.2.in-addr.arpa
      IN PTR
      a2-19-117-75deploystaticakamaitechnologiescom
    • flag-us
      DNS
      70.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      70.209.201.84.in-addr.arpa
      IN PTR
      Response
    • 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
    • 150.171.27.10:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=
      tls, http2
      2.0kB
      9.4kB
      21
      19

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=efbc090914724bb0903bc7d4d86eecff&localId=w:B1F9B991-31A2-6777-EDEA-FA7B5FB14F41&deviceId=6825841072347551&anid=

      HTTP Response

      204
    • 8.8.8.8:53
      g.bing.com
      dns
      56 B
      148 B
      1
      1

      DNS Request

      g.bing.com

      DNS Response

      150.171.27.10
      150.171.28.10

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

      DNS Request

      72.32.126.40.in-addr.arpa

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

      DNS Request

      83.210.23.2.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
      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
      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
      75.117.19.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      75.117.19.2.in-addr.arpa

    • 8.8.8.8:53
      70.209.201.84.in-addr.arpa
      dns
      72 B
      132 B
      1
      1

      DNS Request

      70.209.201.84.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

    MITRE ATT&CK Enterprise v15

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