Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2023 16:15

General

  • Target

    worldwind.exe

  • Size

    175KB

  • MD5

    fafd2fee2145a1c0cff13d372694aa11

  • SHA1

    dd1e28ddfacc273e94fa34846db572e601248db1

  • SHA256

    b9602df895cfa8ceb21f3b08dc54ba282fc257d8446bdc3e8a8e5ae6c9e78ef1

  • SHA512

    9f7acc21019fb734d8eccdfbe6930e31148227a633d0f1f4e36cfb36c41e35e0a2723b4cfd93bcdf20de851397c8d33e0062c1068e2ff6ebcb37aea23f616447

  • SSDEEP

    3072:Ee8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTJwARE+WpCc:g6ewwIwQJ6vKX0c5MlYZ0b2i

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/bot5680540790:AAEdId7f5SV2tnT6kXxK3ECoPzVFCgY9fQs/sendMessage?chat_id=6186135789

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

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
  • Async RAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\worldwind.exe
    "C:\Users\Admin\AppData\Local\Temp\worldwind.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
          PID:4968
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show profile
          3⤵
            PID:4484
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            3⤵
              PID:1852
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1952
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              3⤵
                PID:4368
              • C:\Windows\SysWOW64\netsh.exe
                netsh wlan show networks mode=bssid
                3⤵
                  PID:3204

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\c1289fd0c45fbff5eb55df5bffbe8640\Admin@GBSDSUCH_en-US\Browsers\Firefox\Bookmarks.txt

              Filesize

              105B

              MD5

              2e9d094dda5cdc3ce6519f75943a4ff4

              SHA1

              5d989b4ac8b699781681fe75ed9ef98191a5096c

              SHA256

              c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

              SHA512

              d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

            • C:\Users\Admin\AppData\Local\c1289fd0c45fbff5eb55df5bffbe8640\Admin@GBSDSUCH_en-US\System\Process.txt

              Filesize

              4KB

              MD5

              f8bdafead1903504f9a4dcf168358c8e

              SHA1

              84b530eae57846bbfdc581ae5df000ed61863d3d

              SHA256

              56758156ce85f013b648a1a636aeeea8b698c9fbc0f98d3bb3cc6f6f958d4842

              SHA512

              1145a3277eeac5c4ea176657abe8d70707f6b439fc59cb81c5f93e2f3d16b4f67413b6ec3cd47d1c2fda1102f3fad6108ddd98b349e9311d1c1d919ff0e280c4

            • C:\Users\Admin\AppData\Local\c83097676841addf6656a2c443d0f489\msgid.dat

              Filesize

              1B

              MD5

              cfcd208495d565ef66e7dff9f98764da

              SHA1

              b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

              SHA256

              5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

              SHA512

              31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

            • memory/2616-209-0x00000000053F0000-0x0000000005400000-memory.dmp

              Filesize

              64KB

            • memory/2616-136-0x0000000005670000-0x00000000056D6000-memory.dmp

              Filesize

              408KB

            • memory/2616-199-0x00000000748E0000-0x0000000075090000-memory.dmp

              Filesize

              7.7MB

            • memory/2616-133-0x00000000748E0000-0x0000000075090000-memory.dmp

              Filesize

              7.7MB

            • memory/2616-135-0x00000000053F0000-0x0000000005400000-memory.dmp

              Filesize

              64KB

            • memory/2616-283-0x00000000053F0000-0x0000000005400000-memory.dmp

              Filesize

              64KB

            • memory/2616-285-0x0000000006280000-0x0000000006312000-memory.dmp

              Filesize

              584KB

            • memory/2616-286-0x00000000068D0000-0x0000000006E74000-memory.dmp

              Filesize

              5.6MB

            • memory/2616-290-0x00000000063A0000-0x00000000063AA000-memory.dmp

              Filesize

              40KB

            • memory/2616-134-0x0000000000930000-0x0000000000962000-memory.dmp

              Filesize

              200KB

            • memory/2616-296-0x0000000006480000-0x0000000006492000-memory.dmp

              Filesize

              72KB

            • memory/2616-320-0x00000000053F0000-0x0000000005400000-memory.dmp

              Filesize

              64KB