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Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 23:53 UTC

General

  • Target

    8718db6db75b3d30c76dbe0e15dede1702ec0c70bac6951116760716379bf694.exe

  • Size

    135KB

  • MD5

    234c42cd600b79f965922e16c5abb110

  • SHA1

    93eaecfe145d6b7d3ec1e93bee606d1f40dd953f

  • SHA256

    8718db6db75b3d30c76dbe0e15dede1702ec0c70bac6951116760716379bf694

  • SHA512

    51e648032c49349c80e031e6b533bafad42a6587603e31bc102e466c9d7e2030fcfb5252e20b2c5a5620f5e49240a06fdf0c3cace9b4842b2552c8964197d6f3

  • SSDEEP

    1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOjq:YfU/WF6QMauSuiWNi9eNOl0007NZIOjq

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8718db6db75b3d30c76dbe0e15dede1702ec0c70bac6951116760716379bf694.exe
    "C:\Users\Admin\AppData\Local\Temp\8718db6db75b3d30c76dbe0e15dede1702ec0c70bac6951116760716379bf694.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3932
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\8718db6db75b3d30c76dbe0e15dede1702ec0c70bac6951116760716379bf694.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1684

Network

  • flag-us
    DNS
    217.106.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.106.137.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    217.106.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.106.137.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    136.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    136.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
  • 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
    28.118.140.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    28.118.140.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    232.168.11.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    232.168.11.51.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
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • 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
    48.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    48.229.111.52.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
    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=OADD2.10239360422982_1TJDRH7G9FF9FQQY2&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239360422982_1TJDRH7G9FF9FQQY2&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: 831587
    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: 3509FC9D422342C1ABEA4230B2D2FC08 Ref B: LON04EDGE0918 Ref C: 2024-07-23T23:55:32Z
    date: Tue, 23 Jul 2024 23:55:31 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239339388138_1BGRZNVGM70GGXZ62&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=OADD2.10239339388138_1BGRZNVGM70GGXZ62&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: 618774
    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: 579DD541229A43F18C26787D5B74A012 Ref B: LON04EDGE0918 Ref C: 2024-07-23T23:55:32Z
    date: Tue, 23 Jul 2024 23:55:31 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239317301362_1O9HVN7VX0LX9G6S2&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239317301362_1O9HVN7VX0LX9G6S2&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: 837003
    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: E76697664C114A0895C299414EA7E4C5 Ref B: LON04EDGE0918 Ref C: 2024-07-23T23:55:32Z
    date: Tue, 23 Jul 2024 23:55:31 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239339388139_1V33IWZ6VRJP589I2&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
    Remote address:
    150.171.27.10:443
    Request
    GET /th?id=OADD2.10239339388139_1V33IWZ6VRJP589I2&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: 634779
    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: C1B7F9F517F24CE2A5B6C610DD66F362 Ref B: LON04EDGE0918 Ref C: 2024-07-23T23:55:32Z
    date: Tue, 23 Jul 2024 23:55:31 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239317300929_14U14WCS4159DH3B0&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=OADD2.10239317300929_14U14WCS4159DH3B0&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: 836390
    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: 9AD619055F69447282B9DFE22A3E6AF2 Ref B: LON04EDGE0918 Ref C: 2024-07-23T23:55:33Z
    date: Tue, 23 Jul 2024 23:55:32 GMT
  • flag-us
    GET
    https://tse1.mm.bing.net/th?id=OADD2.10239360422984_1O5I4N56JBATVHLO0&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=OADD2.10239360422984_1O5I4N56JBATVHLO0&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: 944899
    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: CA199E0C7E4D45BCA5F47F65C22EE0FB Ref B: LON04EDGE0918 Ref C: 2024-07-23T23:55:36Z
    date: Tue, 23 Jul 2024 23:55:35 GMT
  • 158.69.115.115:443
    wuauclt.exe
    260 B
    5
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.5kB
    6.8kB
    17
    12
  • 150.171.27.10:443
    https://tse1.mm.bing.net/th?id=OADD2.10239360422984_1O5I4N56JBATVHLO0&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
    tls, http2
    167.6kB
    4.9MB
    3574
    3563

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239360422982_1TJDRH7G9FF9FQQY2&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239339388138_1BGRZNVGM70GGXZ62&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=OADD2.10239317301362_1O9HVN7VX0LX9G6S2&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239339388139_1V33IWZ6VRJP589I2&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

    HTTP Response

    200

    HTTP Response

    200

    HTTP Response

    200

    HTTP Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239317300929_14U14WCS4159DH3B0&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 Request

    GET https://tse1.mm.bing.net/th?id=OADD2.10239360422984_1O5I4N56JBATVHLO0&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
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.4kB
    7.4kB
    18
    14
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.5kB
    7.2kB
    17
    12
  • 150.171.27.10:443
    tse1.mm.bing.net
    tls, http2
    1.5kB
    6.8kB
    16
    12
  • 8.8.8.8:53
    217.106.137.52.in-addr.arpa
    dns
    146 B
    147 B
    2
    1

    DNS Request

    217.106.137.52.in-addr.arpa

    DNS Request

    217.106.137.52.in-addr.arpa

  • 8.8.8.8:53
    172.214.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

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

    DNS Request

    136.32.126.40.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
    28.118.140.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    28.118.140.52.in-addr.arpa

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

    DNS Request

    232.168.11.51.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
    198.187.3.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    198.187.3.20.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
    48.229.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    48.229.111.52.in-addr.arpa

  • 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

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Update\wuauclt.exe

    Filesize

    135KB

    MD5

    2df59334b8007c6b8131faa520f9fb21

    SHA1

    109b0f701a61dfed08e082d9b691d28ea7ea863c

    SHA256

    4b0da3296b0644e44adc78492bc510e0c8bc97fa908dadc8e72a5cb676410849

    SHA512

    9505cc63cba5b89a9b246d2ca098e810dea2b05db50e7f86a0a9f5864c5e5a3a8749974bc792135be0ef1c523b96937926856012a61d2d7fdfbb403ee5ba4dc3

  • memory/1972-0-0x0000000000C40000-0x0000000000C68000-memory.dmp

    Filesize

    160KB

  • memory/1972-6-0x0000000000C40000-0x0000000000C68000-memory.dmp

    Filesize

    160KB

  • memory/1972-8-0x0000000000C40000-0x0000000000C68000-memory.dmp

    Filesize

    160KB

  • memory/3932-5-0x00000000005C0000-0x00000000005E8000-memory.dmp

    Filesize

    160KB

  • memory/3932-7-0x00000000005C0000-0x00000000005E8000-memory.dmp

    Filesize

    160KB

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