Overview

overview

10

Static

static

10

no anti vm.exe

windows7-x64

10

no anti vm.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 12:24

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General

  • Target

    no anti vm.exe

  • Size

    133KB

  • MD5

    7a1c81423490d165b48799936a80b63b

  • SHA1

    e7240326f9c751326090f9f05d6ef068c93eb34f

  • SHA256

    2c67ce29cd8e26ea30b8828efb2d2ae2d135f1141ad80d333807bff1ea970901

  • SHA512

    f2e37d3a89476904a53f2930a27fb818088b3675fac47003eb44bba004477770251dcaff56973d881fce412ef725e0dcaa798f5027f1fe647e902147cb7a3e60

  • SSDEEP

    1536:ahUzAcxjVLcoCJPPMVEMawke4I8H1boNlLJ1eQzcK9VclN:KUUcxjVLLCPPMVxawkH1bo7LJgQrPY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

Mutex

jiqbzsjfarhpqni

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
    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 53 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\no anti vm.exe
    "C:\Users\Admin\AppData\Local\Temp\no anti vm.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1876
    • 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:2472
      • 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:4616
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9441.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4516
      • 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:1416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    133KB

    MD5

    7a1c81423490d165b48799936a80b63b

    SHA1

    e7240326f9c751326090f9f05d6ef068c93eb34f

    SHA256

    2c67ce29cd8e26ea30b8828efb2d2ae2d135f1141ad80d333807bff1ea970901

    SHA512

    f2e37d3a89476904a53f2930a27fb818088b3675fac47003eb44bba004477770251dcaff56973d881fce412ef725e0dcaa798f5027f1fe647e902147cb7a3e60

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp9441.tmp.bat
    Filesize

    154B

    MD5

    8a7886cb7a270c4983c9b6da53bddb03

    SHA1

    86dd0c21fad54242b9abe1a004f9a26f9d1d6d59

    SHA256

    d24504970c78a1ccdc549097ebc18acba303f46afea76d97a1c8013bf22b7d2b

    SHA512

    6f36b9ada603b05ad585dff3eb9609129a36758f717b865b3c3822a439cbd5f57df350555b13c61933568d11e1fc95bf3147aef0a9f424f681d36cdcdb375e22

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • memory/1876-0-0x00007FFAC29D3000-0x00007FFAC29D5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1876-1-0x0000000000250000-0x0000000000276000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1876-3-0x00007FFAC29D0000-0x00007FFAC3491000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1876-8-0x00007FFAC29D0000-0x00007FFAC3491000-memory.dmp

    Filesize

    10.8MB

    Download