Analysis

  • max time kernel
    118s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 23:19

General

  • Target

    e9e1e8347cecca08fc496fb051e277bfbb89b4b9f98f26d219e52667cc848a9eN.exe

  • Size

    175KB

  • MD5

    8e882fffa5e9d66858bc250c4f002d80

  • SHA1

    af8463b1b5c86b21b4ebaa60943bc67b0076b932

  • SHA256

    e9e1e8347cecca08fc496fb051e277bfbb89b4b9f98f26d219e52667cc848a9e

  • SHA512

    93e9e84ce19022be9f73906d2c6348714d50721ef72d436e0237ef6f79451ede1d11f5e2222a0e75bc418dc415955e1fbdb07b340de9d33ecc67e22da3ac582f

  • SSDEEP

    3072:Ke8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gTQwAqE+Wpor:LXtb5KcXr7XmfgqtjhAxZ0b2N

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/bot7845315654:AAEzDXDA-CRGwrkUWmfqictGmbeKbuLInEs/sendMessage?chat_id=5008804138

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#.

  • Asyncrat family
  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • A potential corporate email address has been identified in the URL: WorldWindProResultsDate20241219111933PMSystemWindows10Pro64BitUsernameAdminCompNameOZMCVSQSLanguageenUSAntivirusNotinstalledHardwareCPU12thGenIntelRCoreTMi512400GPUMicrosoftBasicDisplayAdapterRAM16154MBHWIDUnknownPowerNoSystemBattery1Screen1280x720NetworkGatewayIP10.127.0.1InternalIP10.127.1.24ExternalIP181.215.176.83BSSID7af749dfc409DomainsinfoBankLogsNodataCryptoLogsNodataFreakyLogsNodataLogsBookmarks5SoftwareDeviceWindowsproductkeyDesktopscreenshotFileGrabberDatabasefiles6TelegramChannel@XSplinter
  • 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9e1e8347cecca08fc496fb051e277bfbb89b4b9f98f26d219e52667cc848a9eN.exe
    "C:\Users\Admin\AppData\Local\Temp\e9e1e8347cecca08fc496fb051e277bfbb89b4b9f98f26d219e52667cc848a9eN.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:1788
    • 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:456
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3008
      • 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:4100
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4712
    • 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:1892
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1784
      • 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:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\a77ad8e141853a696cf469fe9d86fd45\Admin@OZMCVSQS_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\a77ad8e141853a696cf469fe9d86fd45\Admin@OZMCVSQS_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    7cd30f6a7377fd3c4230fac1c568aaaf

    SHA1

    2eb9acc4d26f4dd121cefdafa892d38b27298c5f

    SHA256

    45b383ac282a5292556426b4fb914fa55a01bc7586815f18552ce4c128f3c767

    SHA512

    c4378c1a3e09f88e3d46adbc7b85eb99295f62e912c96cfac8f18700544fe14bb44b2473b2e8dcd5a0026199ba9aee7c32588e47affbde1208fc814867fb57c9

  • C:\Users\Admin\AppData\Local\cdc83c36b0196740d46797f99bb865be\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1788-3-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/1788-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/1788-117-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/1788-2-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1788-143-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1788-145-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1788-147-0x00000000062D0000-0x0000000006362000-memory.dmp

    Filesize

    584KB

  • memory/1788-148-0x0000000006920000-0x0000000006EC4000-memory.dmp

    Filesize

    5.6MB

  • memory/1788-152-0x00000000063F0000-0x00000000063FA000-memory.dmp

    Filesize

    40KB

  • memory/1788-153-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1788-1-0x0000000000D80000-0x0000000000DB2000-memory.dmp

    Filesize

    200KB