Analysis

  • max time kernel
    145s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 01:07

General

  • Target

    27d4fe53b38807a49886f761932f495bb5998c5d2236f6858d693c35dd032fad.exe

  • Size

    170KB

  • MD5

    a50a84ae0cbdfadf20fabbb3b3852e3d

  • SHA1

    0002bde2e29c5deb54b7071d7c84206232ef306e

  • SHA256

    27d4fe53b38807a49886f761932f495bb5998c5d2236f6858d693c35dd032fad

  • SHA512

    27345bd277812cff1eb46e4aeae42153bef6ba9124671d3585b5ca93b14f1f8ef2a7eb7c25499a02c6900e3d0c1e13028f6c32a867098755e4f4121f13654f20

  • SSDEEP

    3072:++STW8djpN6izj8mZwdJqutB+YDpqIPu/i9bVK2cHTzOD6+Wp7:j8XN6W8mmHPtppXPSi9b4BO

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/bot7074211690:AAFHdtGIEk1j3FpHjh6_p8Xjh9rfZDo4uSc/sendMessage?chat_id=6291749148

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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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) 7 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27d4fe53b38807a49886f761932f495bb5998c5d2236f6858d693c35dd032fad.exe
    "C:\Users\Admin\AppData\Local\Temp\27d4fe53b38807a49886f761932f495bb5998c5d2236f6858d693c35dd032fad.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:3200
    • 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:432
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2416
      • 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:2160
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2904
    • 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:1188
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3928
      • 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:5036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\23d148d13423f560b6d2b15132e25da1\Admin@OARDHGDN_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    c5d8b46d02f854b00732e8699903803b

    SHA1

    190f3f8fb50d6cc264cf4f9ddffffb3b247533e5

    SHA256

    485579afdd955f1ba83182f3012d10af0f7ac2e659bd9050533fb83694b61629

    SHA512

    2bb5728709dfff35ba5b1e6a3284d48d925986643cc6b1b4131af38bfd880491dae7a1a947db45b0d97a8d741fc6b8453aaab427002a4c872e05468bb6ebca35

  • C:\Users\Admin\AppData\Local\7190ba89802178fb2278a668da9adf93\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/3200-3-0x0000000005830000-0x0000000005896000-memory.dmp

    Filesize

    408KB

  • memory/3200-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/3200-112-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/3200-2-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3200-139-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3200-153-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3200-155-0x00000000061A0000-0x0000000006232000-memory.dmp

    Filesize

    584KB

  • memory/3200-156-0x0000000006B70000-0x0000000007114000-memory.dmp

    Filesize

    5.6MB

  • memory/3200-160-0x00000000066C0000-0x00000000066CA000-memory.dmp

    Filesize

    40KB

  • memory/3200-1-0x0000000000E60000-0x0000000000E90000-memory.dmp

    Filesize

    192KB

  • memory/3200-166-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB