Overview

overview

10

Static

static

10

Client.exe

windows7-x64

10

Client.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    18s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2025, 15:39

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Client.exe

  • Size

    74KB

  • MD5

    6005716c654f94bad2172db0d65efa3d

  • SHA1

    051a71ece9e4ec3b81297b6450f05097718a140b

  • SHA256

    2c3cb37cd289f526e9cdfd9b651a35a7226116cc2f0c40dc8e5da1f27b7e1d19

  • SHA512

    95e6d49aa2ef48fd6fc6c1dfba32f3d1965d3f95aa35d1a4315d9a5ea8653ba44e59eb01054f25acbcbb8d3fdc19ab6617bb8154b70ccf6ebda0b808d9b5b7b5

  • SSDEEP

    1536:KUngcxe1eHCZWPMVKe9VdQuDI6H1bf/LTxI/NQzcGLVclN:KUgcxe1ayWPMVKe9VdQsH1bfDTxYQfBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

10.9.100.158:50342

Mutex

Adcf74scdf29aSsD7cf

Attributes
  • delay

    1

  • 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#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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).

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\System32\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⤵
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4508
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF02C.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2880
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    74KB

    MD5

    6005716c654f94bad2172db0d65efa3d

    SHA1

    051a71ece9e4ec3b81297b6450f05097718a140b

    SHA256

    2c3cb37cd289f526e9cdfd9b651a35a7226116cc2f0c40dc8e5da1f27b7e1d19

    SHA512

    95e6d49aa2ef48fd6fc6c1dfba32f3d1965d3f95aa35d1a4315d9a5ea8653ba44e59eb01054f25acbcbb8d3fdc19ab6617bb8154b70ccf6ebda0b808d9b5b7b5

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmpF02C.tmp.bat
    Filesize

    154B

    MD5

    a808942db384867b28edba5b2fd47c34

    SHA1

    d06b3b3f6276bc268e73f28e78269a1a31a130ee

    SHA256

    9290120e4a9a43c3c79f71a39f1df1e1e6c4419101b38351913c9844a7a0b1c4

    SHA512

    817047cadec095b9da52e5122a7a558cd3983b2cbaae7b71044f2f50bed29c6f3d87a8d861b4304dd88cfb952997af292ddb675a75730aeb08c2dd234e6a2bf0

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • memory/2280-0-0x00007FFD7E923000-0x00007FFD7E925000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2280-1-0x0000000000DB0000-0x0000000000DC8000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2280-3-0x00007FFD7E920000-0x00007FFD7F3E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2280-4-0x00007FFD7E920000-0x00007FFD7F3E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2280-9-0x00007FFD7E920000-0x00007FFD7F3E1000-memory.dmp

    Filesize

    10.8MB

    Download