Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2024, 06:23

General

  • Target

    6ef384d982b8fe6de471207bf7efa7d1.exe

  • Size

    1000KB

  • MD5

    6ef384d982b8fe6de471207bf7efa7d1

  • SHA1

    1fa26e5484ed366d7749696d686aaf2136696197

  • SHA256

    04146a5e5ccf0038e5b3a8c3bf3880493f19d99c03400af0f7ecacb0d9ef1ac0

  • SHA512

    8b0c5d55b524512f08a2d11177a18d6e2ea27ac748fddc21d42263c249996bf677d6ec7c82cf5b3e643f80be84a0f15a92286e53b5b4a07fdb8130b7c145da09

  • SSDEEP

    24576:6o2A4d1/VD4y4ZcN9qUxtJU2PfjCQUWM/NJKaoo:9by/VD34M91xE2upLJKlo

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:2245

127.0.0.1:2256

fresh01.ddns.net:2245

fresh01.ddns.net:2256

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#.

  • Async RAT payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ef384d982b8fe6de471207bf7efa7d1.exe
    "C:\Users\Admin\AppData\Local\Temp\6ef384d982b8fe6de471207bf7efa7d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mdHFZnJnjYruf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD865.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1200
    • C:\Users\Admin\AppData\Local\Temp\6ef384d982b8fe6de471207bf7efa7d1.exe
      "C:\Users\Admin\AppData\Local\Temp\6ef384d982b8fe6de471207bf7efa7d1.exe"
      2⤵
        PID:2720

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpD865.tmp

            Filesize

            1KB

            MD5

            c0e5eafab7b195b485417afb0843b63d

            SHA1

            40326bc23456620beaa66461c0d679aca2bb10cf

            SHA256

            919f4d1d8bc245ef94df7a155e9c14a8c6548f33d95f4ede329b0620d797a018

            SHA512

            540868323c8f102f48169082fdb2a81ff3acab6786d51a8734c8766da5e7593938c84e92c6a983d9b163c3679a511c317aa1508e4ff04f820db9af3db8cc7370

          • memory/2148-1-0x0000000074DA0000-0x000000007548E000-memory.dmp

            Filesize

            6.9MB

          • memory/2148-0-0x0000000000FE0000-0x00000000010E0000-memory.dmp

            Filesize

            1024KB

          • memory/2148-2-0x0000000000CF0000-0x0000000000D30000-memory.dmp

            Filesize

            256KB

          • memory/2148-3-0x0000000000850000-0x000000000086A000-memory.dmp

            Filesize

            104KB

          • memory/2148-4-0x0000000074DA0000-0x000000007548E000-memory.dmp

            Filesize

            6.9MB

          • memory/2148-5-0x0000000000CF0000-0x0000000000D30000-memory.dmp

            Filesize

            256KB

          • memory/2148-6-0x00000000069F0000-0x0000000006A74000-memory.dmp

            Filesize

            528KB

          • memory/2148-7-0x00000000009B0000-0x00000000009C2000-memory.dmp

            Filesize

            72KB

          • memory/2148-25-0x0000000074DA0000-0x000000007548E000-memory.dmp

            Filesize

            6.9MB

          • memory/2720-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-15-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-16-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2720-19-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-21-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-23-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-24-0x0000000074DA0000-0x000000007548E000-memory.dmp

            Filesize

            6.9MB

          • memory/2720-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-26-0x0000000000F20000-0x0000000000F60000-memory.dmp

            Filesize

            256KB

          • memory/2720-27-0x0000000074DA0000-0x000000007548E000-memory.dmp

            Filesize

            6.9MB

          • memory/2720-28-0x0000000000F20000-0x0000000000F60000-memory.dmp

            Filesize

            256KB