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Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 22:39 UTC

General

  • Target

    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe

  • Size

    175KB

  • MD5

    5456e7f2aef5ea5a24c332a045a4edbb

  • SHA1

    29a2af981548f7b7e0a4eca823cf82adcfed3163

  • SHA256

    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a

  • SHA512

    708687b75b350c7a03476916b0f9de6175e4a768f9d97408c33be71a6fb082b6b0658b805ab83b3721ef2a0278d63c791ab05a6bf5c29309c71d0d1f86f2faa3

  • SSDEEP

    3072:ie8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTjwARE+WpCc:S6ewwIwQJ6vKX0c5MlYZ0b2E

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7592943357:AAEwrO84OcsUuhuM6bQVgP3G2yZhpjDxPus/sendMessage?chat_id=6316851492

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain
1
VIfxfqryUTyZUBGDCBAvbYVYIsexIM7Z

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 8 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    "C:\Users\Admin\AppData\Local\Temp\63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2972
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2980
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2968
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1560
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2976

Network

  • flag-us
    DNS
    icanhazip.com
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    Remote address:
    8.8.8.8:53
    Request
    icanhazip.com
    IN A
    Response
    icanhazip.com
    IN A
    104.16.185.241
    icanhazip.com
    IN A
    104.16.184.241
  • flag-us
    GET
    http://icanhazip.com/
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    Remote address:
    104.16.185.241:80
    Request
    GET / HTTP/1.1
    Host: icanhazip.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Thu, 17 Oct 2024 22:39:50 GMT
    Content-Type: text/plain
    Content-Length: 14
    Connection: keep-alive
    Access-Control-Allow-Origin: *
    Access-Control-Allow-Methods: GET
    Set-Cookie: __cf_bm=IVf.v1lbT5_WnjVMoOae8jccr.wsuWs12F4mGHq8R7Y-1729204790-1.0.1.1-iNOdUU7fUdjN2NIyFoQ52oBE7vzEJij0b2jqgQ9SiP76h9_ygmm3wl9JwbMUOvolmws4SHieyb_mpE_62UlH2g; path=/; expires=Thu, 17-Oct-24 23:09:50 GMT; domain=.icanhazip.com; HttpOnly
    Server: cloudflare
    CF-RAY: 8d43c974a9f8459a-LHR
    alt-svc: h3=":443"; ma=86400
  • flag-us
    DNS
    api.mylnikov.org
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    Remote address:
    8.8.8.8:53
    Request
    api.mylnikov.org
    IN A
    Response
    api.mylnikov.org
    IN A
    104.21.44.66
    api.mylnikov.org
    IN A
    172.67.196.114
  • flag-us
    GET
    https://api.mylnikov.org/geolocation/wifi?v=1.1&bssid=a6:11:c3:90:b8:a1
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    Remote address:
    104.21.44.66:443
    Request
    GET /geolocation/wifi?v=1.1&bssid=a6:11:c3:90:b8:a1 HTTP/1.1
    Host: api.mylnikov.org
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Thu, 17 Oct 2024 22:39:50 GMT
    Content-Type: application/json; charset=utf8
    Content-Length: 88
    Connection: keep-alive
    Access-Control-Allow-Origin: *
    Cache-Control: max-age=2678400
    CF-Cache-Status: MISS
    Last-Modified: Thu, 17 Oct 2024 22:39:50 GMT
    Accept-Ranges: bytes
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=HxRYHIYoz7lvJBzoyfe6bq6f4RWAhEzjSmoIjI%2FURTEe%2FcIfVdMXBOJnXtwwmdnoGRQcGzfm05lsw2UdvX3hC4sFxQrgbm2ODwd9TlnmMR5zBre93CC8qzDwaKKEgYIDOW%2BE"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Strict-Transport-Security: max-age=0; preload
    X-Content-Type-Options: nosniff
    Server: cloudflare
    CF-RAY: 8d43c975dfd4948d-LHR
    alt-svc: h3=":443"; ma=86400
  • flag-us
    DNS
    api.telegram.org
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    Remote address:
    8.8.8.8:53
    Request
    api.telegram.org
    IN A
    Response
    api.telegram.org
    IN A
    149.154.167.220
  • 104.16.185.241:80
    http://icanhazip.com/
    http
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    391 B
    1.3kB
    7
    5

    HTTP Request

    GET http://icanhazip.com/

    HTTP Response

    200
  • 104.21.44.66:443
    https://api.mylnikov.org/geolocation/wifi?v=1.1&bssid=a6:11:c3:90:b8:a1
    tls, http
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    833 B
    5.1kB
    9
    10

    HTTP Request

    GET https://api.mylnikov.org/geolocation/wifi?v=1.1&bssid=a6:11:c3:90:b8:a1

    HTTP Response

    200
  • 149.154.167.220:443
    api.telegram.org
    tls
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    388 B
    219 B
    5
    5
  • 149.154.167.220:443
    api.telegram.org
    tls
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    388 B
    219 B
    5
    5
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:8808
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:8808
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:8808
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:7707
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:8808
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 127.0.0.1:6606
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
  • 8.8.8.8:53
    icanhazip.com
    dns
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    59 B
    91 B
    1
    1

    DNS Request

    icanhazip.com

    DNS Response

    104.16.185.241
    104.16.184.241

  • 8.8.8.8:53
    api.mylnikov.org
    dns
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    62 B
    94 B
    1
    1

    DNS Request

    api.mylnikov.org

    DNS Response

    104.21.44.66
    172.67.196.114

  • 8.8.8.8:53
    api.telegram.org
    dns
    63dfd2f0813779a3096f254b87cc3c387789607859944dc7e4d3f8f1c0134b5a.exe
    62 B
    78 B
    1
    1

    DNS Request

    api.telegram.org

    DNS Response

    149.154.167.220

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\e01fa2b916e0e1663bda90e6b57169e8\Admin@CCJBVTGQ_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\e01fa2b916e0e1663bda90e6b57169e8\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1076-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/1076-1-0x0000000000D80000-0x0000000000DB2000-memory.dmp

    Filesize

    200KB

  • memory/1076-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-72-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-76-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/1076-77-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-83-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

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