Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 01:43

General

  • Target
    LisectAVT_2403002C_149.exe
  • Size 66KB
  • Sample240725-b5cvbstepg
  • SHA256 c72c02aa10e6609c29969f89b655aa99c7416aa87b391cf877fb1d31982bab66
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • | CRACKED BY https://t.me/xworm_v2

Botnet
  • Default

C2
  • story-pl.gl.at.ply.gg:13978

Mutex
  • dsopfkpsdgkspohspog-0p

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_149.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_149.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4876
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAA98.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2472
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4644

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        svchost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
        • Size 66KB
        • SHA256 c72c02aa10e6609c29969f89b655aa99c7416aa87b391cf877fb1d31982bab66
        • MD5 SHA1 SHA512 SSDEEP

        tmpAA98.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpAA98.tmp.bat
        • Size 154B
        • SHA256 140e99c7406147da64d6b95d6d30a4c36dcfb1745e60ab3558d2452d99cd18a5
        • MD5 SHA1 SHA512

        memory/2396-3-0x0000000002BF0000-0x0000000002C56000-memory.dmp

        memory/2396-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

        memory/2396-4-0x0000000005500000-0x000000000559C000-memory.dmp

        memory/2396-9-0x00000000752E0000-0x0000000075A90000-memory.dmp

        memory/2396-2-0x00000000752E0000-0x0000000075A90000-memory.dmp

        memory/2396-1-0x0000000000690000-0x00000000006A6000-memory.dmp

        memory/4644-14-0x0000000075230000-0x00000000759E0000-memory.dmp

        memory/4644-15-0x00000000064E0000-0x0000000006A84000-memory.dmp

        memory/4644-16-0x0000000006020000-0x00000000060B2000-memory.dmp

        memory/4644-17-0x0000000006010000-0x000000000601A000-memory.dmp

        memory/4644-18-0x0000000075230000-0x00000000759E0000-memory.dmp