Analysis

  • max time kernel
    146s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2024 19:06

General

  • Target

    53965f472183c0e8ec94202b3ba0716faf8e095e073a688f3396c4b8dcca6f30.exe

  • Size

    785KB

  • MD5

    54dbe54846a05d5a1677a5ab2970bd6a

  • SHA1

    4ea5792f72f540c58a54f5cfce9de19eb05ffaaa

  • SHA256

    53965f472183c0e8ec94202b3ba0716faf8e095e073a688f3396c4b8dcca6f30

  • SHA512

    f4778a6162b01bcfbb4d26b4686c9caea803b995b74d9f1c080eda0a431820827ddd9601265c23c1220de36faeb75c5e3b738b8adadf1ca76a5a350552b5bf4a

  • SSDEEP

    12288:5NMKhM39TXsTAiYRH3wbrccYpea/jiAsRaT21tKkxRzb53/x6Io5kZaiB:HMaciYlwkp5/o0i1tVRp6IfB

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/bot6331768257:AAE1Rrc3F4A-nTJkfXEukNBriTate8i72L8/sendMessage?chat_id=5287158069

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 5 IoCs
  • Stormkitty family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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) 6 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 11 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53965f472183c0e8ec94202b3ba0716faf8e095e073a688f3396c4b8dcca6f30.exe
    "C:\Users\Admin\AppData\Local\Temp\53965f472183c0e8ec94202b3ba0716faf8e095e073a688f3396c4b8dcca6f30.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SFHAWxtoIpgL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SFHAWxtoIpgL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BA9.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2868
    • C:\Users\Admin\AppData\Local\Temp\53965f472183c0e8ec94202b3ba0716faf8e095e073a688f3396c4b8dcca6f30.exe
      "C:\Users\Admin\AppData\Local\Temp\53965f472183c0e8ec94202b3ba0716faf8e095e073a688f3396c4b8dcca6f30.exe"
      2⤵
      • 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:2884
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        • Suspicious use of WriteProcessMemory
        PID:2416
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1200
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show profile
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:480
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2784
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1352
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show networks mode=bssid
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\42f232f8490be70b86b8661965454c11\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • C:\Users\Admin\AppData\Local\7297ba226cb016f97a7be19537798e26\Admin@XECUDNCD_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\Temp\tmp3BA9.tmp

    Filesize

    1KB

    MD5

    d87971baccc20339ee8dc46e3d75a52d

    SHA1

    2e8c9f035ef217403dcd45fe8e6c97fe56dceb4a

    SHA256

    88f644a6a30eb4d1ccee1b4749833e0b1ba60e340882e7ff6d2cd48f7fac046b

    SHA512

    86ed7528095bc5415f4bc390d465a0e07be2845bdfd0fa186ec3a2ce5a5fc395fa3f65c81092208781add566b0dd7dee558b9d2caf7dd04360269e1196c63132

  • memory/304-27-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/304-1-0x00000000013E0000-0x00000000014AA000-memory.dmp

    Filesize

    808KB

  • memory/304-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/304-3-0x0000000000C60000-0x0000000000C86000-memory.dmp

    Filesize

    152KB

  • memory/304-4-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/304-5-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/304-6-0x0000000000950000-0x00000000009C6000-memory.dmp

    Filesize

    472KB

  • memory/304-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/2884-16-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2884-20-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-14-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-18-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-23-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-26-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2884-24-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB