Analysis

  • max time kernel
    117s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 12:26

General

  • Target

    a5565d3428290bfc6c4a9bcca68c15ea.exe

  • Size

    937KB

  • MD5

    a5565d3428290bfc6c4a9bcca68c15ea

  • SHA1

    28797c12ca5450fc854f773fb0c42414c0229fa8

  • SHA256

    894a90bbfcbd16442d3b117f6b391c1f22b72d1aebafd0ff51a60df08b1e434d

  • SHA512

    699f9c7266fc24b78bd44d026f7c4c98e613cde7b5d32efefa65dec1706ffac4f266b712760891cb45bcf6fae96880e9ce9b3246056778e78d682e32b333d7e4

  • SSDEEP

    24576:uboifHo7t2xklCohhwbfIWyQZD/Og34dK:ubxfel3hyf1

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

neq

C2

goodone.loseyourip.com:6606

goodone.loseyourip.com:7707

goodone.loseyourip.com:8808

Mutex

AsyncMutex_adnocxxs

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#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5565d3428290bfc6c4a9bcca68c15ea.exe
    "C:\Users\Admin\AppData\Local\Temp\a5565d3428290bfc6c4a9bcca68c15ea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2548
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:2556
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:2592
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2612
          • C:\Windows\system32\schtasks.exe
            "schtasks.exe" /Create /SC MINUTE /MO 14 /TN "AppTracker" /TR "C:\Users\Admin\AppData\Roaming\Ex64_Seeders\a5565d3428290bfc6c4a9bcca68c15ea.exe" /F
            2⤵
            • Creates scheduled task(s)
            PID:2412

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1524-0-0x000007FEF5D33000-0x000007FEF5D34000-memory.dmp

          Filesize

          4KB

        • memory/1524-1-0x0000000000A90000-0x0000000000B80000-memory.dmp

          Filesize

          960KB

        • memory/1524-2-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

          Filesize

          9.9MB

        • memory/1524-3-0x0000000000310000-0x000000000031A000-memory.dmp

          Filesize

          40KB

        • memory/1524-19-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

          Filesize

          9.9MB

        • memory/2612-15-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2612-17-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2612-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2612-10-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2612-8-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2612-6-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2612-4-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2612-13-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB