Analysis

  • max time kernel
    125s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 01:29

General

  • Target

    953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe

  • Size

    865KB

  • MD5

    1f63f65a13c156366bb3370c6165a153

  • SHA1

    1feb9bcacad7b70bdceee1cf72390ff31c5af10b

  • SHA256

    953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6

  • SHA512

    49604b1ea4a49cd19d03611523534a030968d0797d1144c13368fb416cb5e4504e45fc129a822c2a5a043eb427763faa97a3df2fa33b29fd33cab3338b5f30b4

  • SSDEEP

    24576:aZh13xqP7FxDhfSbWwEVjUc5jth0+hf3k:UUPXtfSbWXVJjwK

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

Mutex

lol.exe

Attributes
  • delay

    1

  • install

    true

  • install_file

    lol.exe

  • install_folder

    %AppData%

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 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe
    "C:\Users\Admin\AppData\Local\Temp\953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Local\Temp\953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe
      "C:\Users\Admin\AppData\Local\Temp\953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Users\Admin\AppData\Local\Temp\._cache_953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4964
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3208
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4188
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:4820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    865KB

    MD5

    1f63f65a13c156366bb3370c6165a153

    SHA1

    1feb9bcacad7b70bdceee1cf72390ff31c5af10b

    SHA256

    953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6

    SHA512

    49604b1ea4a49cd19d03611523534a030968d0797d1144c13368fb416cb5e4504e45fc129a822c2a5a043eb427763faa97a3df2fa33b29fd33cab3338b5f30b4

  • C:\Users\Admin\AppData\Local\Temp\._cache_953609b93c1d99dcf0c6b51696bf996de7921471b3038d35900ee5de70f0f4d6.exe

    Filesize

    74KB

    MD5

    32b65e6e0e6112b5dae6b43f214c28f6

    SHA1

    8c268ab559f6cce631c9da6949cc7c2d4abced08

    SHA256

    296674e268379a496e66b4e571881c32e75e46e661aa7247405201a126a782c6

    SHA512

    c670f08f60bf3934817f842539a2dc3534c2503234892f4ec3d4809e4ab88624810dbca7c31002d5c2c900145d7fe5db7727746268bdcefd36a893cf11606a07

  • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • memory/1500-6-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1500-3-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1500-5-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1500-7-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1500-139-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1500-9-0x0000000000B40000-0x0000000000B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-146-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/3208-215-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/3208-216-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/3208-217-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/3208-237-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/4520-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4520-8-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4520-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/4520-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4964-79-0x00007FFC171C3000-0x00007FFC171C5000-memory.dmp

    Filesize

    8KB

  • memory/4964-80-0x00000000008E0000-0x00000000008F8000-memory.dmp

    Filesize

    96KB

  • memory/4964-141-0x00007FFC171C0000-0x00007FFC17C81000-memory.dmp

    Filesize

    10.8MB

  • memory/4964-142-0x00007FFC171C0000-0x00007FFC17C81000-memory.dmp

    Filesize

    10.8MB