Analysis

  • max time kernel
    143s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 01:57

General

  • Target

    ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f.exe

  • Size

    175KB

  • MD5

    720b2d599314eaf90cd60038f7e7d2e8

  • SHA1

    76592e0a64b599fbb49d006faa2de4211dd79834

  • SHA256

    ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f

  • SHA512

    eb5a2bc7cd470697cc3613edd51d3af9c4d64f05a71297a6b00c5137956bf269a62253fd60e7b994a750e3cc9eb44dae4275d10dd1356b4ea6140b16b2ab74e2

  • SSDEEP

    3072:Ie8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gThwARE+WpCc:c6ewwIwQJ6vKX0c5MlYZ0b2+

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/bot6082381502:AAGYF_HaZVw7ziBPxYHyd8WNo0uQbAM7fiU/sendMessage?chat_id=5795480469

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) 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f.exe
    "C:\Users\Admin\AppData\Local\Temp\ea520d8e6ca1d44593f26ceea349d55709ebd61565f67368947d38e484f5846f.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:4764
    • 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:3120
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1576
      • 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:4704
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4676
    • 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:4340
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2844
      • 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:1308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\3f2200e8abae9d74274fef2335ba6d9b\Admin@ODZKDRGV_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\3f2200e8abae9d74274fef2335ba6d9b\Admin@ODZKDRGV_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    e8531a303909f008939378a5334dc669

    SHA1

    0ac4d043cf97e2a5986672b3fdbc3a220a277551

    SHA256

    0190357af063a382ee7fa02efcdb2d7953b70cc24a2f52fd0af9baa05514d4fa

    SHA512

    408e2c608ab52ab71154b36d83584c68acdfb08a768a47889a45c44ac8f99d47b51bc07bb0e8c28b08802867d0da15a81cc12859634cdfdfd14b621d736c9924

  • C:\Users\Admin\AppData\Local\3f2200e8abae9d74274fef2335ba6d9b\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/4764-146-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4764-3-0x00000000059E0000-0x0000000005A46000-memory.dmp

    Filesize

    408KB

  • memory/4764-2-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4764-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

    Filesize

    4KB

  • memory/4764-147-0x0000000006520000-0x00000000065B2000-memory.dmp

    Filesize

    584KB

  • memory/4764-148-0x0000000006B70000-0x0000000007114000-memory.dmp

    Filesize

    5.6MB

  • memory/4764-152-0x0000000006720000-0x000000000672A000-memory.dmp

    Filesize

    40KB

  • memory/4764-1-0x0000000000FB0000-0x0000000000FE2000-memory.dmp

    Filesize

    200KB

  • memory/4764-158-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

    Filesize

    4KB

  • memory/4764-159-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4764-160-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB