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Overview

overview

7

Static

static

3

NEAS.12ae2...JC.dll

windows7-x64

7

NEAS.12ae2...JC.dll

windows10-2004-x64

7

Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 17:09 UTC

Sharing

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Report Analysis Logs

General

  • Target

    NEAS.12ae2c49e21d10012ced9e6841a24d50_JC.dll

  • Size

    275KB

  • MD5

    12ae2c49e21d10012ced9e6841a24d50

  • SHA1

    48b94a31c44404be93bff1aea2371cd0da4ecbf6

  • SHA256

    6e57cc1089550949acad647afaff4f887f325b392402dd9c7c1b16d3e939cf44

  • SHA512

    33cc5cd8eb787039231cdcad319dafff62b8e5ed1207619c9d4b2c94d4f2cd9c8072b745eee21edd0a8255fb8c956640ed70dca2595ad72ef172fac29959eeb3

  • SSDEEP

    6144:tuNYVkz0ibBSW7IPA+l9xmzKgqAfQwtQmYDfKf9yH:S7eWoA+l9cGgZQOrxo

Score
7/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
    persistence
  • Modifies registry class 50 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\NEAS.12ae2c49e21d10012ced9e6841a24d50_JC.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\NEAS.12ae2c49e21d10012ced9e6841a24d50_JC.dll
      2⤵
      • Registers COM server for autorun
      • Modifies registry class
      PID:232
      • C:\Users\Admin\AppData\Local\Temp\D542.tmp
        C:\Users\Admin\AppData\Local\Temp\D542.tmp
        3⤵
        • Executes dropped EXE
        PID:2288

Network

  • flag-us
    DNS
    138.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    138.32.126.40.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
    Response
  • 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
    146.78.124.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    146.78.124.51.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    157.123.68.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    157.123.68.40.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
    1.208.79.178.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    1.208.79.178.in-addr.arpa
    IN PTR
    Response
    1.208.79.178.in-addr.arpa
    IN PTR
    https-178-79-208-1amsllnwnet
  • 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
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239317301272_1FN3C3CD7P8VU4AIA&pid=21.2&w=1920&h=1080&c=4
    Remote address:
    204.79.197.200:443
    Request
    GET /th?id=OADD2.10239317301272_1FN3C3CD7P8VU4AIA&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
    host: tse1.mm.bing.net
    accept: */*
    accept-encoding: gzip, deflate, br
    user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
    Response
    HTTP/2.0 200
    cache-control: public, max-age=2592000
    content-length: 225947
    content-type: image/jpeg
    x-cache: TCP_HIT
    access-control-allow-origin: *
    access-control-allow-headers: *
    access-control-allow-methods: GET, POST, OPTIONS
    timing-allow-origin: *
    report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
    nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
    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: 295F226B3439498DA6FB40A1D7E6C8F4 Ref B: BRU30EDGE0819 Ref C: 2023-10-12T07:47:10Z
    date: Thu, 12 Oct 2023 07:47:10 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239317301424_1QV7T9E0YAU5JUTLU&pid=21.2&w=1080&h=1920&c=4
    Remote address:
    204.79.197.200:443
    Request
    GET /th?id=OADD2.10239317301424_1QV7T9E0YAU5JUTLU&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
    host: tse1.mm.bing.net
    accept: */*
    accept-encoding: gzip, deflate, br
    user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
    Response
    HTTP/2.0 200
    cache-control: public, max-age=2592000
    content-length: 448456
    content-type: image/jpeg
    x-cache: TCP_HIT
    access-control-allow-origin: *
    access-control-allow-headers: *
    access-control-allow-methods: GET, POST, OPTIONS
    timing-allow-origin: *
    report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
    nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
    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: 65CBF88C8A224F2ABFDA7DC1FC587152 Ref B: BRU30EDGE0819 Ref C: 2023-10-12T07:47:10Z
    date: Thu, 12 Oct 2023 07:47:10 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239317301681_1N7WYOIBVTLI24YKU&pid=21.2&w=1080&h=1920&c=4
    Remote address:
    204.79.197.200:443
    Request
    GET /th?id=OADD2.10239317301681_1N7WYOIBVTLI24YKU&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
    host: tse1.mm.bing.net
    accept: */*
    accept-encoding: gzip, deflate, br
    user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
    Response
    HTTP/2.0 200
    cache-control: public, max-age=2592000
    content-length: 258495
    content-type: image/jpeg
    x-cache: TCP_HIT
    access-control-allow-origin: *
    access-control-allow-headers: *
    access-control-allow-methods: GET, POST, OPTIONS
    timing-allow-origin: *
    report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
    nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
    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: 2F7B521C240340FCA747C39F7B9284CE Ref B: BRU30EDGE0819 Ref C: 2023-10-12T07:47:10Z
    date: Thu, 12 Oct 2023 07:47:10 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239317300991_1FMEZ62360OCLMCN3&pid=21.2&w=1920&h=1080&c=4
    Remote address:
    204.79.197.200:443
    Request
    GET /th?id=OADD2.10239317300991_1FMEZ62360OCLMCN3&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
    host: tse1.mm.bing.net
    accept: */*
    accept-encoding: gzip, deflate, br
    user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
    Response
    HTTP/2.0 200
    cache-control: public, max-age=2592000
    content-length: 433791
    content-type: image/jpeg
    x-cache: TCP_HIT
    access-control-allow-origin: *
    access-control-allow-headers: *
    access-control-allow-methods: GET, POST, OPTIONS
    timing-allow-origin: *
    report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
    nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
    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: 16CA2625E3064C83BA09D96ACA2758F4 Ref B: BRU30EDGE0819 Ref C: 2023-10-12T07:47:10Z
    date: Thu, 12 Oct 2023 07:47:10 GMT
  • 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
    19.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    19.229.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    211.143.182.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    211.143.182.52.in-addr.arpa
    IN PTR
    Response
  • 204.79.197.200:443
    tse1.mm.bing.net
    tls, http2
    1.2kB
     8.3kB
     16
    14
  • 204.79.197.200:443
    https://tse1.mm.bing.net/th?id=OADD2.10239317300991_1FMEZ62360OCLMCN3&pid=21.2&w=1920&h=1080&c=4
    tls, http2
    48.5kB
     1.4MB
     1033
    1030

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239317301272_1FN3C3CD7P8VU4AIA&pid=21.2&w=1920&h=1080&c=4

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239317301424_1QV7T9E0YAU5JUTLU&pid=21.2&w=1080&h=1920&c=4

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239317301681_1N7WYOIBVTLI24YKU&pid=21.2&w=1080&h=1920&c=4

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239317300991_1FMEZ62360OCLMCN3&pid=21.2&w=1920&h=1080&c=4

    HTTP Response

    200

    HTTP Response

    200

    HTTP Response

    200

    HTTP Response

    200
  • 204.79.197.200:443
    tse1.mm.bing.net
    tls, http2
    1.2kB
     8.3kB
     16
    14
  • 204.79.197.200:443
    tse1.mm.bing.net
    tls, http2
    1.2kB
     8.3kB
     16
    14
  • 8.8.8.8:53
    138.32.126.40.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    138.32.126.40.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
    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
    146.78.124.51.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    146.78.124.51.in-addr.arpa

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

    DNS Request

    157.123.68.40.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
    1.208.79.178.in-addr.arpa
    dns
    71 B
     116 B
     1
    1

    DNS Request

    1.208.79.178.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
    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
    19.229.111.52.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    19.229.111.52.in-addr.arpa

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

    DNS Request

    211.143.182.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\D542.tmp
    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

    Download Submit

  • memory/232-0-0x0000000002CF0000-0x0000000002D26000-memory.dmp

    Filesize

    216KB

    Download

  • memory/232-1-0x0000000010000000-0x0000000010049000-memory.dmp

    Filesize

    292KB

    Download

  • memory/232-3-0x0000000010000000-0x0000000010049000-memory.dmp

    Filesize

    292KB

    Download

  • memory/232-6-0x0000000010000000-0x0000000010049000-memory.dmp

    Filesize

    292KB

    Download

  • memory/232-5-0x0000000010000000-0x0000000010049000-memory.dmp

    Filesize

    292KB

    Download

  • memory/232-8-0x0000000010000000-0x0000000010049000-memory.dmp

    Filesize

    292KB

    Download

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