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Analysis

  • max time kernel
    134s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 11:34 UTC

General

  • Target

    $PLUGINSDIR/UAC.dll

  • Size

    14KB

  • MD5

    adb29e6b186daa765dc750128649b63d

  • SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

  • SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

  • SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • SSDEEP

    192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 19 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 624
        3⤵
        • Program crash
        PID:752
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 912 -ip 912
    1⤵
      PID:1536
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -nohome
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:708
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:708 CREDAT:17410 /prefetch:2
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1044

    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-dc-msedge.net
      ax-0001.ax-dc-msedge.net
      IN A
      150.171.30.10
      ax-0001.ax-dc-msedge.net
      IN A
      150.171.29.10
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=
      Remote address:
      150.171.30.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&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=2E35A11FF3016C0004E1B49AF2076D23; domain=.bing.com; expires=Wed, 25-Feb-2026 11:35:38 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: 978631635A2345418C5082711E03BA27 Ref B: LON212050701023 Ref C: 2025-01-31T11:35:37Z
      date: Fri, 31 Jan 2025 11:35:37 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=
      Remote address:
      150.171.30.10:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=2E35A11FF3016C0004E1B49AF2076D23
      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=xjZxlhX2-GBZg3xKBi3YJYcC_OirMcbUjiOmnqw6xY0; domain=.bing.com; expires=Wed, 25-Feb-2026 11:35:38 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: 9609A7BA434B46C6857FEA4DACE73904 Ref B: LON212050701023 Ref C: 2025-01-31T11:35:38Z
      date: Fri, 31 Jan 2025 11:35:37 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=
      Remote address:
      150.171.30.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=2E35A11FF3016C0004E1B49AF2076D23; MSPTC=xjZxlhX2-GBZg3xKBi3YJYcC_OirMcbUjiOmnqw6xY0
      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: 410889B943884E3EA5F8EEF2CFD4874F Ref B: LON212050701023 Ref C: 2025-01-31T11:35:38Z
      date: Fri, 31 Jan 2025 11:35:37 GMT
    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
      Response
      8.8.8.8.in-addr.arpa
      IN PTR
      dnsgoogle
    • flag-us
      DNS
      10.30.171.150.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      10.30.171.150.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      205.47.74.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      205.47.74.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      13.153.16.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.153.16.2.in-addr.arpa
      IN PTR
      Response
      13.153.16.2.in-addr.arpa
      IN PTR
      a2-16-153-13deploystaticakamaitechnologiescom
    • flag-us
      DNS
      50.23.12.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      50.23.12.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      15.164.165.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      15.164.165.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      21.49.80.91.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      21.49.80.91.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      11.153.16.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      11.153.16.2.in-addr.arpa
      IN PTR
      Response
      11.153.16.2.in-addr.arpa
      IN PTR
      a2-16-153-11deploystaticakamaitechnologiescom
    • flag-us
      DNS
      11.227.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      11.227.111.52.in-addr.arpa
      IN PTR
      Response
    • 150.171.30.10:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=
      tls, http2
      2.0kB
      9.3kB
      21
      17

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7741a1add57744f69a341d0d1256b47e&localId=w:0E6DBFDF-A422-D12B-C993-83A8853F7845&deviceId=6966578605783440&anid=

      HTTP Response

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

      DNS Request

      g.bing.com

      DNS Response

      150.171.30.10
      150.171.29.10

    • 8.8.8.8:53
      8.8.8.8.in-addr.arpa
      dns
      66 B
      90 B
      1
      1

      DNS Request

      8.8.8.8.in-addr.arpa

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

      DNS Request

      10.30.171.150.in-addr.arpa

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

      DNS Request

      13.153.16.2.in-addr.arpa

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

      DNS Request

      205.47.74.20.in-addr.arpa

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

      DNS Request

      50.23.12.20.in-addr.arpa

    • 8.8.8.8:53
      15.164.165.52.in-addr.arpa
      dns
      72 B
      146 B
      1
      1

      DNS Request

      15.164.165.52.in-addr.arpa

    • 8.8.8.8:53
      21.49.80.91.in-addr.arpa
      dns
      70 B
      145 B
      1
      1

      DNS Request

      21.49.80.91.in-addr.arpa

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

      DNS Request

      11.153.16.2.in-addr.arpa

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

      DNS Request

      11.227.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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