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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 05:43 UTC

General

  • Target

    $TEMP/sys.exe

  • Size

    1.9MB

  • MD5

    361afb77460382b303ff0feab78b65c7

  • SHA1

    e3b44a60f2bb4998399252cc36d3e65dc80deef1

  • SHA256

    2063d5933ad5f7789082e04d6209032c4f85ef495f06b9de3f41546f0fde6de8

  • SHA512

    b81233d5d15884158ec99a64ecfd9239906d67bf149282f87e458718a9eb8ae71b8c00cbe5e6d289b48ab5ac0ff7d1f061bb1caff67d93dfcf9c1a387726615b

  • SSDEEP

    49152:4alHayFPW9MgP6WaxFn6HIIGpTIqiqvspY9c:jFPW6gPxaFn6HIIsBPvspd

Malware Config

Signatures

  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\sys.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\sys.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer Protected Mode
    • Modifies Internet Explorer Protected Mode Banner
    • Modifies Internet Explorer settings
    • Modifies registry class
    PID:1388

Network

  • flag-us
    DNS
    yourprofitclub.net
    sys.exe
    Remote address:
    8.8.8.8:53
    Request
    yourprofitclub.net
    IN A
    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
    g.bing.com
    Remote address:
    8.8.8.8:53
    Request
    g.bing.com
    IN A
    Response
    g.bing.com
    IN CNAME
    g-bing-com.ax-0001.ax-msedge.net
    g-bing-com.ax-0001.ax-msedge.net
    IN CNAME
    ax-0001.ax-msedge.net
    ax-0001.ax-msedge.net
    IN A
    150.171.28.10
    ax-0001.ax-msedge.net
    IN A
    150.171.27.10
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=
    Remote address:
    150.171.28.10:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MUID=1A819B47ACE46F582A538E52ADE26E50; domain=.bing.com; expires=Wed, 05-Nov-2025 05:43:28 GMT; path=/; SameSite=None; Secure; Priority=High;
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    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: B0ACDE5F523F4E89BC4384D31FAEC376 Ref B: LON601060107036 Ref C: 2024-10-11T05:43:28Z
    date: Fri, 11 Oct 2024 05:43:28 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=
    Remote address:
    150.171.28.10:443
    Request
    GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=1A819B47ACE46F582A538E52ADE26E50
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MSPTC=9ExnPhm0aElGcq69lfJrxRX5OeUCd2RH5fHo_r2ej5Q; domain=.bing.com; expires=Wed, 05-Nov-2025 05:43:28 GMT; path=/; Partitioned; secure; SameSite=None
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    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: 0FC9311693FC4439965ACBB1E7936DAA Ref B: LON601060107036 Ref C: 2024-10-11T05:43:28Z
    date: Fri, 11 Oct 2024 05:43:28 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=
    Remote address:
    150.171.28.10:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=1A819B47ACE46F582A538E52ADE26E50; MSPTC=9ExnPhm0aElGcq69lfJrxRX5OeUCd2RH5fHo_r2ej5Q
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    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: A5C9B1A2129F44AD8279DC15BEFF2BA7 Ref B: LON601060107036 Ref C: 2024-10-11T05:43:28Z
    date: Fri, 11 Oct 2024 05:43:28 GMT
  • 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
    88.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    88.210.23.2.in-addr.arpa
    IN PTR
    Response
    88.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-88deploystaticakamaitechnologiescom
  • flag-us
    DNS
    10.28.171.150.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    10.28.171.150.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
    212.20.149.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    212.20.149.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    241.42.69.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    241.42.69.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    0.205.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.205.248.87.in-addr.arpa
    IN PTR
    Response
    0.205.248.87.in-addr.arpa
    IN PTR
    https-87-248-205-0lgwllnwnet
  • 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
    43.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    43.229.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    63.141.182.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    63.141.182.52.in-addr.arpa
    IN PTR
    Response
  • 150.171.28.10:443
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=
    tls, http2
    2.0kB
    9.4kB
    22
    19

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a301b2bf0a0d4a18af8a18e669b086d0&localId=w:02C7DD5D-B832-2571-1EDF-9D74CD57B9AA&deviceId=6896208602436814&anid=

    HTTP Response

    204
  • 8.8.8.8:53
    yourprofitclub.net
    dns
    sys.exe
    64 B
    137 B
    1
    1

    DNS Request

    yourprofitclub.net

  • 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
    g.bing.com
    dns
    56 B
    148 B
    1
    1

    DNS Request

    g.bing.com

    DNS Response

    150.171.28.10
    150.171.27.10

  • 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
    88.210.23.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    88.210.23.2.in-addr.arpa

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

    DNS Request

    10.28.171.150.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
    212.20.149.52.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    212.20.149.52.in-addr.arpa

  • 8.8.8.8:53
    241.42.69.40.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    241.42.69.40.in-addr.arpa

  • 8.8.8.8:53
    0.205.248.87.in-addr.arpa
    dns
    71 B
    116 B
    1
    1

    DNS Request

    0.205.248.87.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
    43.229.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    43.229.111.52.in-addr.arpa

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

    DNS Request

    63.141.182.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nssF231.tmp\Math.dll

    Filesize

    66KB

    MD5

    b140459077c7c39be4bef249c2f84535

    SHA1

    c56498241c2ddafb01961596da16d08d1b11cd35

    SHA256

    0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

    SHA512

    fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

  • C:\Users\Admin\AppData\Local\Temp\nssF231.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • C:\Users\Admin\AppData\Local\Temp\nssF231.tmp\UAC.dll

    Filesize

    17KB

    MD5

    88ad3fd90fc52ac3ee0441a38400a384

    SHA1

    08bc9e1f5951b54126b5c3c769e3eaed42f3d10b

    SHA256

    e58884695378cf02715373928bb8ade270baf03144369463f505c3b3808cbc42

    SHA512

    359496f571e6fa2ec4c5ab5bd1d35d1330586f624228713ae55c65a69e07d8623022ef54337c22c3aab558a9b74d9977c8436f5fea4194899d9ef3ffd74e7dbb

  • C:\Windows\SysWOW64\89f72d32.dll

    Filesize

    2.5MB

    MD5

    81dd5db35b7311d7e86ad64bb21946c0

    SHA1

    936997fb386f9d482715dd5747cace7ce94fcdea

    SHA256

    0b87c091f55d456fcf375cfd93cdd4fac981537c53fe06bba20db4d37f624aa2

    SHA512

    014f93810a96d99b7b3710366acdd8c869c152940bcfd4b6764ec12a69dd36d874bcac544f62279dd35054cd21c99cdc90dd00c74153be23f5e39100f19958d7

  • memory/1388-19-0x00000000023F0000-0x000000000240A000-memory.dmp

    Filesize

    104KB

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