Overview

overview

8

Static

static

1

npcap-1.72.exe

windows7-x64

8

npcap-1.72.exe

windows10-2004-x64

8

$PLUGINSDI...ns.dll

windows7-x64

3

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...ll.exe

windows7-x64

4

$PLUGINSDI...ll.exe

windows10-2004-x64

4

$PLUGINSDI...re.dll

windows7-x64

3

$PLUGINSDI...re.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

NPFInstall.exe

windows7-x64

4

NPFInstall.exe

windows10-2004-x64

4

x64/NPFInstall.exe

windows7-x64

4

x64/NPFInstall.exe

windows10-2004-x64

4

Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 18:53 UTC

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General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    14KB

  • MD5

    f9e61a25016dcb49867477c1e71a704e

  • SHA1

    c01dc1fa7475e4812d158d6c00533410c597b5d9

  • SHA256

    274e53dc8c5ddc273a6f5683b71b882ef8917029e2eaf6c8dbee0c62d999225d

  • SHA512

    b4a6289ef9e761e29dd5362fecb1707c97d7cb3e160f4180036a96f2f904b2c64a075b5bf0fea4a3bb94dea97f3cfa0d057d3d6865c68da65fdcb9c3070c33d8

  • SSDEEP

    192:JDkDr/HA5v6G2IElFernNQZGdHskJw7YUXmZscF8Bd1LOtNBZHld3Mu:aDrvAxnJGernNQZGdHVqZmZsHLOtLhHH

Score
3/10
discovery

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.

    discovery
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3852
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 612
        3⤵
        • Program crash
        PID:2556
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1980 -ip 1980
    1⤵
      PID:5096

    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.dual-a-0034.a-msedge.net
      g-bing-com.dual-a-0034.a-msedge.net
      IN CNAME
      dual-a-0034.a-msedge.net
      dual-a-0034.a-msedge.net
      IN A
      204.79.197.237
      dual-a-0034.a-msedge.net
      IN A
      13.107.21.237
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
      Remote address:
      204.79.197.237:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&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=27EF53A519356B34249E477718D56A03; domain=.bing.com; expires=Sat, 30-Aug-2025 18:53:50 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: 3A0B80F0CFD044E684DEE5C65A2CD19E Ref B: LON04EDGE1215 Ref C: 2024-08-05T18:53:50Z
      date: Mon, 05 Aug 2024 18:53:49 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
      Remote address:
      204.79.197.237:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=27EF53A519356B34249E477718D56A03
      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=ro4OCrxuvXQ6gSaus5Zj96K0ukMxBDTFwLWE68xXK_I; domain=.bing.com; expires=Sat, 30-Aug-2025 18:53:50 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: AA30325D92EC4D23A0D367F9046AD3F3 Ref B: LON04EDGE1215 Ref C: 2024-08-05T18:53:50Z
      date: Mon, 05 Aug 2024 18:53:49 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
      Remote address:
      204.79.197.237:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=27EF53A519356B34249E477718D56A03; MSPTC=ro4OCrxuvXQ6gSaus5Zj96K0ukMxBDTFwLWE68xXK_I
      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: 6BC5A8B083DA49F1BECD6FC77BAB16A2 Ref B: LON04EDGE1215 Ref C: 2024-08-05T18:53:50Z
      date: Mon, 05 Aug 2024 18:53:49 GMT
    • flag-us
      DNS
      237.197.79.204.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      237.197.79.204.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      75.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      75.159.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      57.169.31.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      57.169.31.20.in-addr.arpa
      IN PTR
      Response
    • 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
      100.58.20.217.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      100.58.20.217.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      56.126.166.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      56.126.166.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      192.142.123.92.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      192.142.123.92.in-addr.arpa
      IN PTR
      Response
      192.142.123.92.in-addr.arpa
      IN PTR
      a92-123-142-192deploystaticakamaitechnologiescom
    • flag-us
      DNS
      101.58.20.217.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      101.58.20.217.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      240.143.123.92.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.143.123.92.in-addr.arpa
      IN PTR
      Response
      240.143.123.92.in-addr.arpa
      IN PTR
      a92-123-143-240deploystaticakamaitechnologiescom
    • 204.79.197.237:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
      tls, http2
      2.0kB
       9.3kB
       21
      19

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=8bf9d685b4c0422185c3b533b99a6e49&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

      HTTP Response

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

      DNS Request

      g.bing.com

      DNS Response

      204.79.197.237
      13.107.21.237

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

      DNS Request

      75.159.190.20.in-addr.arpa

    • 8.8.8.8:53
      237.197.79.204.in-addr.arpa
      dns
      73 B
       143 B
       1
      1

      DNS Request

      237.197.79.204.in-addr.arpa

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

      DNS Request

      57.169.31.20.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
      100.58.20.217.in-addr.arpa
      dns
      72 B
       132 B
       1
      1

      DNS Request

      100.58.20.217.in-addr.arpa

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

      DNS Request

      56.126.166.20.in-addr.arpa

    • 8.8.8.8:53
      192.142.123.92.in-addr.arpa
      dns
      73 B
       139 B
       1
      1

      DNS Request

      192.142.123.92.in-addr.arpa

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

      DNS Request

      101.58.20.217.in-addr.arpa

    • 8.8.8.8:53
      240.143.123.92.in-addr.arpa
      dns
      73 B
       139 B
       1
      1

      DNS Request

      240.143.123.92.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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