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Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/12/2024, 11:57 UTC

General

  • Target

    hellres.exe

  • Size

    1.2MB

  • MD5

    2511d20918fe5495f4cec12ed8e010df

  • SHA1

    1a1d3f5c67f93021868e9fa4682f576f482ba86e

  • SHA256

    0ab815e72b9490ff95cc216c08aa6503d1610e052793d433732a3b28c25c5d71

  • SHA512

    849994cd3e0aa394041f0f23908fdc2440366685c3a3035c224cf1048f7eb73f6c30ac670de72b9a276fe080e965fba3b500d0c49dab91892683377b9db90402

  • SSDEEP

    24576:c8wnXXnncHLI8JQpP0s9MjemJ5lx1w6Qh0lhSMXl5vTOd:JMXXncHLIJss+egDx+6lpvTa

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hellres.exe
    "C:\Users\Admin\AppData\Local\Temp\hellres.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:700

Network

  • flag-us
    DNS
    api.ipify.org
    hellres.exe
    Remote address:
    8.8.8.8:53
    Request
    api.ipify.org
    IN A
    Response
    api.ipify.org
    IN A
    172.67.74.152
    api.ipify.org
    IN A
    104.26.12.205
    api.ipify.org
    IN A
    104.26.13.205
  • flag-us
    GET
    https://api.ipify.org/
    hellres.exe
    Remote address:
    172.67.74.152:443
    Request
    GET / HTTP/1.1
    Accept: text/html; text/plain; */*
    Host: api.ipify.org
    Cache-Control: no-cache
    Response
    HTTP/1.1 200 OK
    Date: Mon, 16 Dec 2024 11:57:47 GMT
    Content-Type: text/plain
    Content-Length: 14
    Connection: keep-alive
    Vary: Origin
    CF-Cache-Status: DYNAMIC
    Server: cloudflare
    CF-RAY: 8f2e7f75bbe26355-LHR
    server-timing: cfL4;desc="?proto=TCP&rtt=31198&min_rtt=26328&rtt_var=9824&sent=6&recv=9&lost=0&retrans=0&sent_bytes=3277&recv_bytes=402&delivery_rate=153010&cwnd=252&unsent_bytes=0&cid=a83cd0a4b591f22a&ts=442&x=0"
  • flag-us
    DNS
    151.19.3.193.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    151.19.3.193.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
    c.pki.goog
    hellres.exe
    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
    142.250.179.67
  • flag-fr
    GET
    http://c.pki.goog/r/gsr1.crl
    hellres.exe
    Remote address:
    142.250.179.67:80
    Request
    GET /r/gsr1.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/10.0
    Host: c.pki.goog
    Response
    HTTP/1.1 200 OK
    Accept-Ranges: bytes
    Content-Security-Policy-Report-Only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cacerts
    Cross-Origin-Resource-Policy: cross-origin
    Cross-Origin-Opener-Policy: same-origin; report-to="cacerts"
    Report-To: {"group":"cacerts","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cacerts"}]}
    Content-Length: 1739
    X-Content-Type-Options: nosniff
    Server: sffe
    X-XSS-Protection: 0
    Date: Mon, 16 Dec 2024 11:37:42 GMT
    Expires: Mon, 16 Dec 2024 12:27:42 GMT
    Cache-Control: public, max-age=3000
    Age: 1205
    Last-Modified: Mon, 07 Oct 2024 07:18:00 GMT
    Content-Type: application/pkix-crl
    Vary: Accept-Encoding
  • flag-fr
    GET
    http://c.pki.goog/r/r4.crl
    hellres.exe
    Remote address:
    142.250.179.67:80
    Request
    GET /r/r4.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/10.0
    Host: c.pki.goog
    Response
    HTTP/1.1 200 OK
    Accept-Ranges: bytes
    Content-Security-Policy-Report-Only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cacerts
    Cross-Origin-Resource-Policy: cross-origin
    Cross-Origin-Opener-Policy: same-origin; report-to="cacerts"
    Report-To: {"group":"cacerts","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cacerts"}]}
    Content-Length: 436
    X-Content-Type-Options: nosniff
    Server: sffe
    X-XSS-Protection: 0
    Date: Mon, 16 Dec 2024 11:37:43 GMT
    Expires: Mon, 16 Dec 2024 12:27:43 GMT
    Cache-Control: public, max-age=3000
    Age: 1204
    Last-Modified: Thu, 25 Jul 2024 14:48:00 GMT
    Content-Type: application/pkix-crl
    Vary: Accept-Encoding
  • flag-us
    DNS
    152.74.67.172.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    152.74.67.172.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
    67.179.250.142.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    67.179.250.142.in-addr.arpa
    IN PTR
    Response
    67.179.250.142.in-addr.arpa
    IN PTR
    par21s19-in-f31e100net
  • flag-us
    DNS
    154.239.44.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    154.239.44.20.in-addr.arpa
    IN PTR
    Response
  • 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
    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
    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
    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
    50.23.12.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    50.23.12.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.31.95.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.31.95.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    133.130.81.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    133.130.81.91.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
  • 193.3.19.151:15666
    hellres.exe
    14.8MB
    307.0kB
    10755
    5357
  • 172.67.74.152:443
    https://api.ipify.org/
    tls, http
    hellres.exe
    896 B
    4.1kB
    11
    8

    HTTP Request

    GET https://api.ipify.org/

    HTTP Response

    200
  • 142.250.179.67:80
    http://c.pki.goog/r/r4.crl
    http
    hellres.exe
    556 B
    3.8kB
    7
    5

    HTTP Request

    GET http://c.pki.goog/r/gsr1.crl

    HTTP Response

    200

    HTTP Request

    GET http://c.pki.goog/r/r4.crl

    HTTP Response

    200
  • 8.8.8.8:53
    api.ipify.org
    dns
    hellres.exe
    59 B
    107 B
    1
    1

    DNS Request

    api.ipify.org

    DNS Response

    172.67.74.152
    104.26.12.205
    104.26.13.205

  • 8.8.8.8:53
    151.19.3.193.in-addr.arpa
    dns
    71 B
    131 B
    1
    1

    DNS Request

    151.19.3.193.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
    c.pki.goog
    dns
    hellres.exe
    56 B
    107 B
    1
    1

    DNS Request

    c.pki.goog

    DNS Response

    142.250.179.67

  • 8.8.8.8:53
    152.74.67.172.in-addr.arpa
    dns
    72 B
    134 B
    1
    1

    DNS Request

    152.74.67.172.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
    67.179.250.142.in-addr.arpa
    dns
    73 B
    111 B
    1
    1

    DNS Request

    67.179.250.142.in-addr.arpa

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

    DNS Request

    154.239.44.20.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
    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
    217.106.137.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    217.106.137.52.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
    50.23.12.20.in-addr.arpa
    dns
    70 B
    156 B
    1
    1

    DNS Request

    50.23.12.20.in-addr.arpa

  • 8.8.8.8:53
    18.31.95.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    18.31.95.13.in-addr.arpa

  • 8.8.8.8:53
    133.130.81.91.in-addr.arpa
    dns
    72 B
    147 B
    1
    1

    DNS Request

    133.130.81.91.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

MITRE ATT&CK Enterprise v15

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