Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2023 21:19

General

  • Target

    1716-0-0x0000000000400000-0x000000000043D000-memory.exe

  • Size

    244KB

  • MD5

    b6d9b20b21613a3766019394cd382d55

  • SHA1

    49a458d7189c0e9b955b45695cb123f7f3a2e790

  • SHA256

    f1b0e039aa7d383f95dd338b410e26dfd88bb0c66325291604b9d5db5a495693

  • SHA512

    182f3fe30e3cdfe8a72a320fe2367f36de53a8d4009bd9043d0da42814e18cb098e27d4774e5c075ed3d6b0a1e6803c9faeb3da283c07ba1817d5b458b62997e

  • SSDEEP

    3072:Um/E8k9ZjpIL+zNch12KbAwSaS6JSp8db8EG:N/E8k91zz6/tN8EG

Score
10/10

Malware Config

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1716-0-0x0000000000400000-0x000000000043D000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\1716-0-0x0000000000400000-0x000000000043D000-memory.exe"
    1⤵
      PID:3352
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k netsvcs -p
      1⤵
      • Drops file in System32 directory
      • Checks processor information in registry
      • Enumerates system info in registry
      PID:1724

    Network

    • flag-us
      DNS
      240.81.21.72.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.81.21.72.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
      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
      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
      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
      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
      163.252.72.23.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      163.252.72.23.in-addr.arpa
      IN PTR
      Response
      163.252.72.23.in-addr.arpa
      IN PTR
      a23-72-252-163deploystaticakamaitechnologiescom
    • flag-us
      DNS
      88.156.103.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      88.156.103.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      23.236.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      23.236.111.52.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=OADD2.10239317301370_1WTDA3QMJSZ92RY3W&pid=21.2&w=1080&h=1920&c=4
      Remote address:
      204.79.197.200:443
      Request
      GET /th?id=OADD2.10239317301370_1WTDA3QMJSZ92RY3W&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: 400533
      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: F676C9CF0CF64F1CB50F87D4C49C7425 Ref B: DUS30EDGE0818 Ref C: 2023-09-07T21:20:58Z
      date: Thu, 07 Sep 2023 21:20:57 GMT
    • flag-us
      GET
      https://tse1.mm.bing.net/th?id=OADD2.10239317301060_1R4MHRP0LUJX09GMU&pid=21.2&w=1920&h=1080&c=4
      Remote address:
      204.79.197.200:443
      Request
      GET /th?id=OADD2.10239317301060_1R4MHRP0LUJX09GMU&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: 360487
      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: 56E0D4C5B2FA40259A6047F159AA7A5B Ref B: DUS30EDGE0818 Ref C: 2023-09-07T21:20:58Z
      date: Thu, 07 Sep 2023 21:20:57 GMT
    • flag-us
      GET
      https://tse1.mm.bing.net/th?id=OADD2.10239317301045_1V3F59LO4JDHHM1AD&pid=21.2&w=1920&h=1080&c=4
      Remote address:
      204.79.197.200:443
      Request
      GET /th?id=OADD2.10239317301045_1V3F59LO4JDHHM1AD&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: 389552
      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: 204476B2DCE24A0485C873680E181B85 Ref B: DUS30EDGE0818 Ref C: 2023-09-07T21:20:58Z
      date: Thu, 07 Sep 2023 21:20:57 GMT
    • flag-us
      GET
      https://tse1.mm.bing.net/th?id=OADD2.10239317300937_1HHU6SR72RIO6JU61&pid=21.2&w=1920&h=1080&c=4
      Remote address:
      204.79.197.200:443
      Request
      GET /th?id=OADD2.10239317300937_1HHU6SR72RIO6JU61&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: 373128
      content-type: image/jpeg
      x-cache: TCP_HIT
      access-control-allow-origin: *
      access-control-allow-headers: *
      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: E65E421248F648AD9C84A6990BCA6BF3 Ref B: DUS30EDGE0818 Ref C: 2023-09-07T21:20:58Z
      date: Thu, 07 Sep 2023 21:20:57 GMT
    • flag-us
      GET
      https://tse1.mm.bing.net/th?id=OADD2.10239317301478_1ATXLTSLM5UX4ZJYP&pid=21.2&w=1080&h=1920&c=4
      Remote address:
      204.79.197.200:443
      Request
      GET /th?id=OADD2.10239317301478_1ATXLTSLM5UX4ZJYP&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: 498337
      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: 69156877004A4A28A3309877C289B13D Ref B: DUS30EDGE0818 Ref C: 2023-09-07T21:20:58Z
      date: Thu, 07 Sep 2023 21:20:57 GMT
    • flag-us
      GET
      https://tse1.mm.bing.net/th?id=OADD2.10239317301493_1LBG6KMWNFIA52WWP&pid=21.2&w=1080&h=1920&c=4
      Remote address:
      204.79.197.200:443
      Request
      GET /th?id=OADD2.10239317301493_1LBG6KMWNFIA52WWP&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: 333210
      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: 59BF7E1BAFBE4D76A11A00CFCC84B7BA Ref B: DUS30EDGE0818 Ref C: 2023-09-07T21:20:58Z
      date: Thu, 07 Sep 2023 21:20:58 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
      104.193.132.51.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      104.193.132.51.in-addr.arpa
      IN PTR
      Response
    • 204.79.197.200:443
      https://tse1.mm.bing.net/th?id=OADD2.10239317301493_1LBG6KMWNFIA52WWP&pid=21.2&w=1080&h=1920&c=4
      tls, http2
      88.4kB
      2.4MB
      1775
      1771

      HTTP Request

      GET https://tse1.mm.bing.net/th?id=OADD2.10239317301370_1WTDA3QMJSZ92RY3W&pid=21.2&w=1080&h=1920&c=4

      HTTP Request

      GET https://tse1.mm.bing.net/th?id=OADD2.10239317301060_1R4MHRP0LUJX09GMU&pid=21.2&w=1920&h=1080&c=4

      HTTP Request

      GET https://tse1.mm.bing.net/th?id=OADD2.10239317301045_1V3F59LO4JDHHM1AD&pid=21.2&w=1920&h=1080&c=4

      HTTP Response

      200

      HTTP Request

      GET https://tse1.mm.bing.net/th?id=OADD2.10239317300937_1HHU6SR72RIO6JU61&pid=21.2&w=1920&h=1080&c=4

      HTTP Response

      200

      HTTP Response

      200

      HTTP Response

      200

      HTTP Request

      GET https://tse1.mm.bing.net/th?id=OADD2.10239317301478_1ATXLTSLM5UX4ZJYP&pid=21.2&w=1080&h=1920&c=4

      HTTP Response

      200

      HTTP Request

      GET https://tse1.mm.bing.net/th?id=OADD2.10239317301493_1LBG6KMWNFIA52WWP&pid=21.2&w=1080&h=1920&c=4

      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
      240.81.21.72.in-addr.arpa
      dns
      71 B
      142 B
      1
      1

      DNS Request

      240.81.21.72.in-addr.arpa

    • 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
      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
      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
      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
      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
      163.252.72.23.in-addr.arpa
      dns
      72 B
      137 B
      1
      1

      DNS Request

      163.252.72.23.in-addr.arpa

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

      DNS Request

      88.156.103.20.in-addr.arpa

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

      DNS Request

      23.236.111.52.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
      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
      104.193.132.51.in-addr.arpa
      dns
      73 B
      159 B
      1
      1

      DNS Request

      104.193.132.51.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3352-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

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