Analysis

  • max time kernel
    103s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:09 UTC

General

  • Target

    2bf6115ff0a234d8ea278864c5abbbe6.exe

  • Size

    2.0MB

  • MD5

    2bf6115ff0a234d8ea278864c5abbbe6

  • SHA1

    c08a5d188cb9cb7f9da54f634fe20d3b1b8c8895

  • SHA256

    4ac0480a4604a1f0d3d488fc6d73d0599d0d389df241c89c62a0f574d0fbdf30

  • SHA512

    880bcf6cd4b55ddba6865a49702dbde7f77194996230d7294774e6880e2b9a18be634b4cc335d52b470bffb48fd6906bb3ccb229fe3927a4c4dab94861650a6d

  • SSDEEP

    49152:brYU+Yy4J8jao9UVlWAOjhRzsiYHjo++xTN:bdxVJC9UqRzsu+8N

Score
10/10

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • DCRat payload 1 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bf6115ff0a234d8ea278864c5abbbe6.exe
    "C:\Users\Admin\AppData\Local\Temp\2bf6115ff0a234d8ea278864c5abbbe6.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5760

Network

  • 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
    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://tse1.mm.bing.net/th?id=OADD2.10239339388157_1F8FN0PPBBGQ5O2YF&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239339388157_1F8FN0PPBBGQ5O2YF&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 732063
    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&ndcParam=QUZE"}]}
    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: 125EE991B42240008049F1E4D79B9DC7 Ref B: LON04EDGE0610 Ref C: 2025-03-22T06:12:54Z
    date: Sat, 22 Mar 2025 06:12:54 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239354491534_1O3M85NN5LRG0CPTI&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239354491534_1O3M85NN5LRG0CPTI&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 449789
    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&ndcParam=QUZE"}]}
    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: 520F74E5F2E64FECBCB4C37ECF18A173 Ref B: LON04EDGE0610 Ref C: 2025-03-22T06:12:54Z
    date: Sat, 22 Mar 2025 06:12:54 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239339388158_1XCR56DJ2GD9T3UQ1&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239339388158_1XCR56DJ2GD9T3UQ1&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 729217
    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&ndcParam=QUZE"}]}
    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: 3786B03D4BCA4E87A442DD50467C5E71 Ref B: LON04EDGE0610 Ref C: 2025-03-22T06:12:54Z
    date: Sat, 22 Mar 2025 06:12:54 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239354491532_17IT0YRW2RNM8C8YH&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239354491532_17IT0YRW2RNM8C8YH&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 500116
    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&ndcParam=QUZE"}]}
    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: 897911251DC6435FA17A37B592EB0E4B Ref B: LON04EDGE0610 Ref C: 2025-03-22T06:12:54Z
    date: Sat, 22 Mar 2025 06:12:54 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239340418583_14V7XNG13AXXMHR4D&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239340418583_14V7XNG13AXXMHR4D&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 1145289
    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&ndcParam=QUZE"}]}
    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: 1C484EE816A84A1C99B53A754333ABDC Ref B: LON04EDGE0610 Ref C: 2025-03-22T06:12:55Z
    date: Sat, 22 Mar 2025 06:12:55 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239340418584_19MU177BXG1FCVM1K&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239340418584_19MU177BXG1FCVM1K&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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
  • flag-us
    DNS
    c.pki.goog
    Remote address:
    8.8.8.8:53
    Request
    c.pki.goog
    IN A
    Response
    c.pki.goog
    IN CNAME
    pki-goog.l.google.com
    pki-goog.l.google.com
    IN A
    142.250.180.3
  • flag-gb
    GET
    http://c.pki.goog/r/r1.crl
    Remote address:
    142.250.180.3:80
    Request
    GET /r/r1.crl HTTP/1.1
    Cache-Control: max-age = 3000
    Connection: Keep-Alive
    Accept: */*
    If-Modified-Since: Thu, 25 Jul 2024 14:48:00 GMT
    User-Agent: Microsoft-CryptoAPI/10.0
    Host: c.pki.goog
    Response
    HTTP/1.1 304 Not Modified
    Date: Sat, 22 Mar 2025 05:59:32 GMT
    Expires: Sat, 22 Mar 2025 06:49:32 GMT
    Age: 813
    Last-Modified: Thu, 25 Jul 2024 14:48:00 GMT
    Cache-Control: public, max-age=3000
    Vary: Accept-Encoding
  • 150.171.27.10:443
    https://tse1.mm.bing.net/th?id=OADD2.10239340418584_19MU177BXG1FCVM1K&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
    tls, http2
    107.2kB
    3.1MB
    2256
    2249

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239339388157_1F8FN0PPBBGQ5O2YF&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239354491534_1O3M85NN5LRG0CPTI&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239339388158_1XCR56DJ2GD9T3UQ1&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

    HTTP Response

    200

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239354491532_17IT0YRW2RNM8C8YH&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90

    HTTP Response

    200

    HTTP Response

    200

    HTTP Response

    200

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239340418583_14V7XNG13AXXMHR4D&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239340418584_19MU177BXG1FCVM1K&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90

    HTTP Response

    200
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.1kB
    6.9kB
    14
    13
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.1kB
    6.9kB
    14
    13
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.2kB
    7.0kB
    15
    13
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.8kB
    8.3kB
    17
    13
  • 142.250.180.3:80
    http://c.pki.goog/r/r1.crl
    http
    660 B
    394 B
    10
    4

    HTTP Request

    GET http://c.pki.goog/r/r1.crl

    HTTP Response

    304
  • 8.8.8.8:53
    tse1.mm.bing.net
    dns
    62 B
    170 B
    1
    1

    DNS Request

    tse1.mm.bing.net

    DNS Response

    150.171.27.10
    150.171.28.10

  • 8.8.8.8:53
    c.pki.goog
    dns
    56 B
    107 B
    1
    1

    DNS Request

    c.pki.goog

    DNS Response

    142.250.180.3

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5760-0-0x00007FFD4A613000-0x00007FFD4A615000-memory.dmp

    Filesize

    8KB

  • memory/5760-1-0x0000000000960000-0x0000000000B6A000-memory.dmp

    Filesize

    2.0MB

  • memory/5760-2-0x00007FFD4A610000-0x00007FFD4B0D1000-memory.dmp

    Filesize

    10.8MB

  • memory/5760-3-0x0000000002D90000-0x0000000002D9E000-memory.dmp

    Filesize

    56KB

  • memory/5760-4-0x0000000002DA0000-0x0000000002DAE000-memory.dmp

    Filesize

    56KB

  • memory/5760-6-0x00007FFD4A610000-0x00007FFD4B0D1000-memory.dmp

    Filesize

    10.8MB

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