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Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2024, 08:07 UTC

General

  • Target

    client32.exe

  • Size

    101KB

  • MD5

    c4f1b50e3111d29774f7525039ff7086

  • SHA1

    57539c95cba0986ec8df0fcdea433e7c71b724c6

  • SHA256

    18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

  • SHA512

    005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

  • SSDEEP

    768:q78j0+RH6e6XhBBxUcnRWIDDDDDDDDDDDDDDDDADDDDDDDDDDDDDDDDDDDDDDXDU:qwpHLiLniepfxP91/bQxnu

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Netsupport family
  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\client32.exe
    "C:\Users\Admin\AppData\Local\Temp\client32.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1984

Network

  • flag-us
    DNS
    geo.netsupportsoftware.com
    client32.exe
    Remote address:
    8.8.8.8:53
    Request
    geo.netsupportsoftware.com
    IN A
    Response
    geo.netsupportsoftware.com
    IN A
    104.26.1.231
    geo.netsupportsoftware.com
    IN A
    104.26.0.231
    geo.netsupportsoftware.com
    IN A
    172.67.68.212
  • flag-us
    GET
    http://geo.netsupportsoftware.com/location/loca.asp
    client32.exe
    Remote address:
    104.26.1.231:80
    Request
    GET /location/loca.asp HTTP/1.1
    Host: geo.netsupportsoftware.com
    Connection: Keep-Alive
    Cache-Control: no-cache
    Response
    HTTP/1.1 200 OK
    Date: Sat, 02 Nov 2024 08:07:15 GMT
    Content-Type: text/html; Charset=utf-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    CF-Ray: 8dc2a1440973419d-LHR
    CF-Cache-Status: DYNAMIC
    Access-Control-Allow-Origin: *
    Cache-Control: private
    Set-Cookie: ASPSESSIONIDSQDTABDQ=HMBIIGICBDMGEEFIGOPMGHIB; path=/
    Strict-Transport-Security: max-age=31536000; includeSubDomains
    Vary: Accept-Encoding
    cf-apo-via: origin,host
    Referrer-Policy: strict-origin-when-cross-origin
    X-Content-Type-Options: nosniff
    X-Frame-Options: SAMEORIGIN
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ixIQdgzQ%2Fd8qsoxMI0nki0GdP5lN1k3gZ4qBAy15jC27%2FQjSRIdWhMdiPtrKvHwWkjIKiXCkmY%2FQ9NxajLohgLXCS1sW5%2FDXgwIq8ugWaxQGRHnKwA7WmUmiXwOoMz%2B5qCTWZw2MBrclnBL2"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    server-timing: cfL4;desc="?proto=TCP&rtt=21693&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=118&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"
  • 5.181.159.143:443
    http
    client32.exe
    2.0kB
    814 B
    8
    7
  • 104.26.1.231:80
    http://geo.netsupportsoftware.com/location/loca.asp
    http
    client32.exe
    394 B
    1.3kB
    6
    5

    HTTP Request

    GET http://geo.netsupportsoftware.com/location/loca.asp

    HTTP Response

    200
  • 8.8.8.8:53
    geo.netsupportsoftware.com
    dns
    client32.exe
    72 B
    120 B
    1
    1

    DNS Request

    geo.netsupportsoftware.com

    DNS Response

    104.26.1.231
    104.26.0.231
    172.67.68.212

MITRE ATT&CK Enterprise v15

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