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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2024, 08:55 UTC

General

  • Target

    setup.exe

  • Size

    6.5MB

  • MD5

    e8e5283ad4683f8dcc018d5769e473dd

  • SHA1

    d5c41f15a6fc28050e02bff6c3ab357fa0f99642

  • SHA256

    b885e915e529bb54f5d219617b77c6369300cf72a50348a37083d21f3a8345e6

  • SHA512

    8f8732c076a76abeb3ccc49215d7c201eea584bc8060df2f38cec3682bb6fbe976934ab73ba33d32e7d1e45dae271acf0fd8716c0847cab3bf930376e8f2173d

  • SSDEEP

    98304:rcLWt2jT+gKF5ENbYMyKFUB47Kh1Fpn50pOFXc2g/uu6J7Hr1x9ucbu8:wb3+XONbg0zIv5o2Xc2g/u9JHr1ycz

Malware Config

Extracted

Family

vidar

Version

1.8

Botnet

670

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

http://65.108.93.119:80

Attributes
  • profile_id

    670

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • 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 system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2492

Network

  • flag-us
    DNS
    t.me
    setup.exe
    Remote address:
    8.8.8.8:53
    Request
    t.me
    IN A
    Response
    t.me
    IN A
    149.154.167.99
  • flag-us
    DNS
    steamcommunity.com
    setup.exe
    Remote address:
    8.8.8.8:53
    Request
    steamcommunity.com
    IN A
    Response
    steamcommunity.com
    IN A
    104.82.234.109
  • flag-gb
    GET
    https://steamcommunity.com/profiles/76561199467421923
    setup.exe
    Remote address:
    104.82.234.109:443
    Request
    GET /profiles/76561199467421923 HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; x64 rv:107.0) Gecko / 20100101 Firefox / 107.0
    Host: steamcommunity.com
    Response
    HTTP/1.1 200 OK
    Server: nginx
    Content-Type: text/html; charset=UTF-8
    Content-Security-Policy: default-src blob: data: https: 'unsafe-inline' 'unsafe-eval'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://community.fastly.steamstatic.com/ https://cdn.fastly.steamstatic.com/steamcommunity/public/assets/ https://api.steampowered.com/ https://recaptcha.net https://www.google.com/recaptcha/ https://www.gstatic.cn/recaptcha/ https://www.gstatic.com/recaptcha/ https://www.youtube.com/ https://s.ytimg.com; object-src 'none'; connect-src 'self' https://community.fastly.steamstatic.com/ https://store.steampowered.com/ https://checkout.steampowered.com/ wss://community.steam-api.com/websocket/ https://api.steampowered.com/ https://login.steampowered.com/ https://help.steampowered.com/ https://steam.tv/ https://steamcommunity.com/ https://*.valvesoftware.com https://*.steambeta.net https://*.discovery.beta.steamserver.net https://*.steamcontent.com https://steambroadcast.akamaized.net https://steambroadcast-test.akamaized.net https://broadcast.st.dl.eccdnx.com https://lv.queniujq.cn https://steambroadcastchat.akamaized.net http://127.0.0.1:27060 ws://127.0.0.1:27060; frame-src 'self' steam: https://store.steampowered.com/ https://help.steampowered.com/ https://login.steampowered.com/ https://checkout.steampowered.com/ https://www.youtube.com https://www.google.com https://sketchfab.com https://player.vimeo.com https://medal.tv https://www.google.com/recaptcha/ https://recaptcha.net/recaptcha/; frame-ancestors 'self' https://store.steampowered.com/;
    Expires: Mon, 26 Jul 1997 05:00:00 GMT
    Cache-Control: no-cache
    Date: Fri, 08 Nov 2024 08:56:43 GMT
    Content-Length: 35155
    Connection: keep-alive
    Set-Cookie: sessionid=1833201102c63d13cfc4be4c; Path=/; Secure; SameSite=None
    Set-Cookie: steamCountry=GB%7Ce15d564837abb028acb4e114150d704d; Path=/; Secure; HttpOnly; SameSite=None
  • flag-de
    GET
    http://116.202.7.135/670
    setup.exe
    Remote address:
    116.202.7.135:80
    Request
    GET /670 HTTP/1.1
    Host: 116.202.7.135
    Response
    HTTP/1.1 301 Moved Permanently
    Server: nginx/1.22.1
    Date: Fri, 08 Nov 2024 08:56:44 GMT
    Content-Type: text/html
    Content-Length: 169
    Connection: keep-alive
    Location: https://www.kitea.com/670
  • flag-de
    GET
    http://116.202.7.135/samefiles.zip
    setup.exe
    Remote address:
    116.202.7.135:80
    Request
    GET /samefiles.zip HTTP/1.1
    Host: 116.202.7.135
    Cache-Control: no-cache
    Response
    HTTP/1.1 301 Moved Permanently
    Server: nginx/1.22.1
    Date: Fri, 08 Nov 2024 08:56:48 GMT
    Content-Type: text/html
    Content-Length: 169
    Connection: keep-alive
    Location: https://www.kitea.com/samefiles.zip
  • flag-us
    DNS
    www.kitea.com
    setup.exe
    Remote address:
    8.8.8.8:53
    Request
    www.kitea.com
    IN A
    Response
    www.kitea.com
    IN A
    104.21.52.41
    www.kitea.com
    IN A
    172.67.195.16
  • flag-us
    GET
    https://www.kitea.com/670
    setup.exe
    Remote address:
    104.21.52.41:443
    Request
    GET /670 HTTP/1.1
    Connection: Keep-Alive
    Host: www.kitea.com
    Response
    HTTP/1.1 200 OK
    Date: Fri, 08 Nov 2024 08:56:48 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    vary: Accept-Encoding
    Set-Cookie: PHPSESSID=661dmivvk68kl87qpblk17rpec; expires=Fri, 08-Nov-2024 09:56:44 GMT; Max-Age=3600; path=/; domain=www.kitea.com; secure; HttpOnly; SameSite=Lax
    pragma: no-cache
    Cache-Control: max-age=0, must-revalidate, no-cache, no-store
    expires: Wed, 08 Nov 2023 08:56:44 GMT
    x-content-type-options: nosniff
    x-xss-protection: 1; mode=block
    x-frame-options: SAMEORIGIN
    cf-cache-status: DYNAMIC
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=0c8cm%2BAgoyBdYv%2BTnS5n5MDQ8yuY9sWu0mUsxdR2qK4xY%2BwdkGhxNZzMPkWRiulUFaYf6HI%2FMh%2BYIiPLDo8%2BdmUTSVT3Nn%2Bi%2FJ9Ywan%2FMYJjaloEBImDzShMfiJIjOvB"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 8df459fe6acb45a0-LHR
    alt-svc: h3=":443"; ma=86400
    server-timing: cfL4;desc="?proto=TCP&rtt=42797&sent=7&recv=8&lost=0&retrans=1&sent_bytes=3179&recv_bytes=385&delivery_rate=82737&cwnd=252&unsent_bytes=0&cid=6897422f4c9bfb73&ts=4117&x=0"
  • flag-us
    GET
    https://www.kitea.com/samefiles.zip
    setup.exe
    Remote address:
    104.21.52.41:443
    Request
    GET /samefiles.zip HTTP/1.1
    Host: www.kitea.com
    Cache-Control: no-cache
    Connection: Keep-Alive
    Cookie: PHPSESSID=661dmivvk68kl87qpblk17rpec
    Response
    HTTP/1.1 200 OK
    Date: Fri, 08 Nov 2024 08:56:53 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    vary: Accept-Encoding
    pragma: no-cache
    Cache-Control: max-age=0, must-revalidate, no-cache, no-store
    expires: Wed, 08 Nov 2023 08:56:48 GMT
    x-content-type-options: nosniff
    x-xss-protection: 1; mode=block
    x-frame-options: SAMEORIGIN
    CF-Cache-Status: BYPASS
    Set-Cookie: PHPSESSID=661dmivvk68kl87qpblk17rpec; expires=Fri, 08-Nov-2024 09:56:48 GMT; Max-Age=3600; path=/; domain=www.kitea.com; secure; HttpOnly; SameSite=Lax
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zq8q8SX027FjzBulDhgmeay6Hn1iNGZtup0iu2lTXI7zN6IcbJUJd0OiO1IM4zUfcrYyWmD%2BznATbqMgLzSfTNWhJI49ZgkWoccV5E1IsdE6dq%2Bw%2B8J7funljm44sunA"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 8df45a17fcb745a0-LHR
    alt-svc: h3=":443"; ma=86400
    server-timing: cfL4;desc="?proto=TCP&rtt=48194&sent=312&recv=168&lost=0&retrans=11&sent_bytes=401336&recv_bytes=561&delivery_rate=193098&cwnd=351&unsent_bytes=0&cid=6897422f4c9bfb73&ts=9523&x=0"
  • flag-us
    DNS
    c.pki.goog
    setup.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
    142.250.187.227
  • flag-gb
    GET
    http://c.pki.goog/r/gsr1.crl
    setup.exe
    Remote address:
    142.250.187.227:80
    Request
    GET /r/gsr1.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/6.1
    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: Fri, 08 Nov 2024 08:14:28 GMT
    Expires: Fri, 08 Nov 2024 09:04:28 GMT
    Cache-Control: public, max-age=3000
    Age: 2536
    Last-Modified: Mon, 07 Oct 2024 07:18:00 GMT
    Content-Type: application/pkix-crl
    Vary: Accept-Encoding
  • flag-gb
    GET
    http://c.pki.goog/r/r4.crl
    setup.exe
    Remote address:
    142.250.187.227:80
    Request
    GET /r/r4.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/6.1
    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: Fri, 08 Nov 2024 08:14:28 GMT
    Expires: Fri, 08 Nov 2024 09:04:28 GMT
    Cache-Control: public, max-age=3000
    Age: 2536
    Last-Modified: Thu, 25 Jul 2024 14:48:00 GMT
    Content-Type: application/pkix-crl
    Vary: Accept-Encoding
  • 149.154.167.99:443
    t.me
    tls
    setup.exe
    385 B
    219 B
    5
    5
  • 149.154.167.99:443
    t.me
    tls
    setup.exe
    347 B
    219 B
    5
    5
  • 149.154.167.99:443
    t.me
    tls
    setup.exe
    288 B
    219 B
    5
    5
  • 149.154.167.99:443
    t.me
    setup.exe
    190 B
    92 B
    4
    2
  • 104.82.234.109:443
    https://steamcommunity.com/profiles/76561199467421923
    tls, http
    setup.exe
    1.5kB
    42.5kB
    23
    36

    HTTP Request

    GET https://steamcommunity.com/profiles/76561199467421923

    HTTP Response

    200
  • 116.202.7.135:80
    http://116.202.7.135/samefiles.zip
    http
    setup.exe
    435 B
    920 B
    7
    4

    HTTP Request

    GET http://116.202.7.135/670

    HTTP Response

    301

    HTTP Request

    GET http://116.202.7.135/samefiles.zip

    HTTP Response

    301
  • 104.21.52.41:443
    https://www.kitea.com/samefiles.zip
    tls, http
    setup.exe
    13.0kB
    675.0kB
    269
    501

    HTTP Request

    GET https://www.kitea.com/670

    HTTP Response

    200

    HTTP Request

    GET https://www.kitea.com/samefiles.zip

    HTTP Response

    200
  • 142.250.187.227:80
    http://c.pki.goog/r/r4.crl
    http
    setup.exe
    554 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
    t.me
    dns
    setup.exe
    50 B
    66 B
    1
    1

    DNS Request

    t.me

    DNS Response

    149.154.167.99

  • 8.8.8.8:53
    steamcommunity.com
    dns
    setup.exe
    64 B
    80 B
    1
    1

    DNS Request

    steamcommunity.com

    DNS Response

    104.82.234.109

  • 8.8.8.8:53
    www.kitea.com
    dns
    setup.exe
    59 B
    91 B
    1
    1

    DNS Request

    www.kitea.com

    DNS Response

    104.21.52.41
    172.67.195.16

  • 8.8.8.8:53
    c.pki.goog
    dns
    setup.exe
    56 B
    107 B
    1
    1

    DNS Request

    c.pki.goog

    DNS Response

    142.250.187.227

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabE755.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE787.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2492-14-0x0000000000400000-0x0000000000E3C000-memory.dmp

    Filesize

    10.2MB

  • memory/2492-1-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2492-6-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2492-11-0x0000000000400000-0x0000000000E3C000-memory.dmp

    Filesize

    10.2MB

  • memory/2492-0-0x000000000045B000-0x00000000007B0000-memory.dmp

    Filesize

    3.3MB

  • memory/2492-10-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2492-8-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2492-15-0x000000000045B000-0x00000000007B0000-memory.dmp

    Filesize

    3.3MB

  • memory/2492-16-0x0000000000400000-0x0000000000E3C000-memory.dmp

    Filesize

    10.2MB

  • memory/2492-3-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2492-5-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2492-72-0x0000000000400000-0x0000000000E3C000-memory.dmp

    Filesize

    10.2MB

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