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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2023, 20:26 UTC

General

  • Target

    77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe

  • Size

    378KB

  • MD5

    b8cc7f181a4753e4688b5f734c3e6b1d

  • SHA1

    2e8a48c8c00b338dfc9e298a04712268751b5c55

  • SHA256

    77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b

  • SHA512

    d8019063c71cae8939f8e0ee9c9bdc0beb59a594de7506b38cfc650d25b6c389786a9f9b2db2adb48d5b7f26c703a10c672469dce05e544113130a691c4129f6

  • SSDEEP

    6144:TzCBCH557yGY/fjBximSLB5aAOki2+Bx80q+Fr0cItNj:TzRHr7yV3OW12TX+6j

Score
10/10

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Signatures

  • Detect Mystic stealer payload 5 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe
    "C:\Users\Admin\AppData\Local\Temp\77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
        PID:4836
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 152
        2⤵
        • Program crash
        PID:4704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4276 -ip 4276
      1⤵
        PID:5076

      Network

      • flag-us
        DNS
        17.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        17.160.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        8.3.197.209.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        8.3.197.209.in-addr.arpa
        IN PTR
        Response
        8.3.197.209.in-addr.arpa
        IN PTR
        vip0x008map2sslhwcdnnet
      • 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
        241.154.82.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        241.154.82.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        158.240.127.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        158.240.127.40.in-addr.arpa
        IN PTR
        Response
      • flag-ru
        POST
        http://5.42.92.211/loghub/master
        AppLaunch.exe
        Remote address:
        5.42.92.211:80
        Request
        POST /loghub/master HTTP/1.1
        Content-Type: multipart/form-data; boundary=R3VCmYE7bNc40PHQM4ym
        Content-Length: 209
        User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.1)
        Host: 5.42.92.211
        Connection: Keep-Alive
        Cache-Control: no-cache
        Response
        HTTP/1.1 200 OK
        Server: nginx/1.18.0 (Ubuntu)
        Date: Fri, 06 Oct 2023 20:26:48 GMT
        Content-Type: text/html; charset=utf-8
        Content-Length: 8
        Connection: keep-alive
        X-Frame-Options: DENY
        X-Content-Type-Options: nosniff
        Referrer-Policy: same-origin
      • flag-us
        DNS
        26.35.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        26.35.223.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        211.92.42.5.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        211.92.42.5.in-addr.arpa
        IN PTR
        Response
        211.92.42.5.in-addr.arpa
        IN PTR
      • flag-us
        DNS
        54.120.234.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        54.120.234.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        41.110.16.96.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        41.110.16.96.in-addr.arpa
        IN PTR
        Response
        41.110.16.96.in-addr.arpa
        IN PTR
        a96-16-110-41deploystaticakamaitechnologiescom
      • 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
        86.23.85.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        86.23.85.13.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
        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=OADD2.10239317301094_1ZX0523MAABCARXR5&pid=21.2&w=1920&h=1080&c=4
        Remote address:
        204.79.197.200:443
        Request
        GET /th?id=OADD2.10239317301094_1ZX0523MAABCARXR5&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: 199000
        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: 913DE911243046509AA2D12104FD5E17 Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
        date: Fri, 06 Oct 2023 20:28:26 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301500_1UAMZFMFEP1QV3EDL&pid=21.2&w=1080&h=1920&c=4
        Remote address:
        204.79.197.200:443
        Request
        GET /th?id=OADD2.10239317301500_1UAMZFMFEP1QV3EDL&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: 459590
        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: CBE535911B894E1AA26E773F7D54D348 Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
        date: Fri, 06 Oct 2023 20:28:26 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301527_1R0WB31C7EYYSTJK4&pid=21.2&w=1080&h=1920&c=4
        Remote address:
        204.79.197.200:443
        Request
        GET /th?id=OADD2.10239317301527_1R0WB31C7EYYSTJK4&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: 342507
        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: B11C5A7620B245119CEC1B8A74207B0A Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
        date: Fri, 06 Oct 2023 20:28:26 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&pid=21.2&w=1920&h=1080&c=4
        Remote address:
        204.79.197.200:443
        Request
        GET /th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&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: 265561
        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: C342CB7C719F4EBD8B9F220BE23423BF Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
        date: Fri, 06 Oct 2023 20:28:26 GMT
      • flag-us
        DNS
        43.58.199.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        43.58.199.20.in-addr.arpa
        IN PTR
        Response
      • 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
        10.173.189.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        10.173.189.20.in-addr.arpa
        IN PTR
        Response
      • 5.42.92.211:80
        http://5.42.92.211/loghub/master
        http
        AppLaunch.exe
        748 B
        436 B
        6
        4

        HTTP Request

        POST http://5.42.92.211/loghub/master

        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
      • 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=OADD2.10239317301067_1ZU6SE5I441HMK8LK&pid=21.2&w=1920&h=1080&c=4
        tls, http2
        49.8kB
        1.3MB
        963
        959

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301094_1ZX0523MAABCARXR5&pid=21.2&w=1920&h=1080&c=4

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301500_1UAMZFMFEP1QV3EDL&pid=21.2&w=1080&h=1920&c=4

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301527_1R0WB31C7EYYSTJK4&pid=21.2&w=1080&h=1920&c=4

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&pid=21.2&w=1920&h=1080&c=4

        HTTP Response

        200

        HTTP Response

        200

        HTTP Response

        200

        HTTP Response

        200
      • 8.8.8.8:53
        17.160.190.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        17.160.190.20.in-addr.arpa

      • 8.8.8.8:53
        8.3.197.209.in-addr.arpa
        dns
        70 B
        111 B
        1
        1

        DNS Request

        8.3.197.209.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
        241.154.82.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        241.154.82.20.in-addr.arpa

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

        DNS Request

        158.240.127.40.in-addr.arpa

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

        DNS Request

        26.35.223.20.in-addr.arpa

      • 8.8.8.8:53
        211.92.42.5.in-addr.arpa
        dns
        70 B
        83 B
        1
        1

        DNS Request

        211.92.42.5.in-addr.arpa

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

        DNS Request

        54.120.234.20.in-addr.arpa

      • 8.8.8.8:53
        41.110.16.96.in-addr.arpa
        dns
        71 B
        135 B
        1
        1

        DNS Request

        41.110.16.96.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
        86.23.85.13.in-addr.arpa
        dns
        70 B
        144 B
        1
        1

        DNS Request

        86.23.85.13.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
        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
        43.58.199.20.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        43.58.199.20.in-addr.arpa

      • 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
        10.173.189.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        10.173.189.20.in-addr.arpa

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4836-0-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/4836-1-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/4836-2-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/4836-3-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/4836-4-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

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