Overview

overview

10

Static

static

10

WindowsDF.exe

windows7-x64

10

WindowsDF.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
    03-12-2024 21:54

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General

  • Target

    WindowsDF.exe

  • Size

    74KB

  • MD5

    3cedbc72cc821f346b56100c311f7caf

  • SHA1

    09d762e1d9ec34854c50ab8c7063f7d44fd3165e

  • SHA256

    1583c039098be20a5d2076827affa434a8fd385f8e629ecdcdf44750d08dfbe2

  • SHA512

    04237742a94275fa68fb91b5a9d4dfd0f54174a6504bd726d63d53791dad2acc62356a74b8c0f2284fa93ad509468092c12fb1dc92c583d8197187b03b6301fa

  • SSDEEP

    1536:/Uq0cxVGlCBiPMVsOieqIbW1bh/k0owuQzcKLVclN:/UTcxVMWiPMVTHW1bhvCQ7BY

Score
10/10
asyncratvenomratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

189.14.53.123:1177

189.14.53.123:21053
Mutex

cijkkekfusbnuncqp

Attributes
  • delay

    1

  • install

    true

  • install_file

    WindowsDefender.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • VenomRAT 2 IoCs

    Detects VenomRAT.

    rat
  • Venomrat family
    venomrat
  • 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 32 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\WindowsDF.exe
    "C:\Users\Admin\AppData\Local\Temp\WindowsDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4432
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WindowsDefender" /tr '"C:\Users\Admin\AppData\Roaming\WindowsDefender.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "WindowsDefender" /tr '"C:\Users\Admin\AppData\Roaming\WindowsDefender.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2496
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8C61.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:860
      • C:\Users\Admin\AppData\Roaming\WindowsDefender.exe
        "C:\Users\Admin\AppData\Roaming\WindowsDefender.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8C61.tmp.bat
    Filesize

    159B

    MD5

    40f5dff031dedbf839fab4f20d3de2bb

    SHA1

    e59b5afe922048eba10594010a78fc5ab9a520df

    SHA256

    0576d9eb31115d4f3edbbaa309891896df570e3c2d09d2ec69fa5a8c33b95425

    SHA512

    2a23dcccf349eb823ed0ae2cbee5328e94f6b6558675dafff3e51e38dd5d99a72eb422d151b63ed2a54330d75c9c6531258cb09a8b5a45619c9bdccf31171eb9

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\WindowsDefender.exe
    Filesize

    74KB

    MD5

    3cedbc72cc821f346b56100c311f7caf

    SHA1

    09d762e1d9ec34854c50ab8c7063f7d44fd3165e

    SHA256

    1583c039098be20a5d2076827affa434a8fd385f8e629ecdcdf44750d08dfbe2

    SHA512

    04237742a94275fa68fb91b5a9d4dfd0f54174a6504bd726d63d53791dad2acc62356a74b8c0f2284fa93ad509468092c12fb1dc92c583d8197187b03b6301fa

    Download Submit

  • memory/4432-0-0x00007FFC18A33000-0x00007FFC18A35000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4432-1-0x0000000000480000-0x0000000000498000-memory.dmp

    Filesize

    96KB

    Download

  • memory/4432-3-0x00007FFC18A30000-0x00007FFC194F1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4432-9-0x00007FFC18A30000-0x00007FFC194F1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4432-8-0x00007FFC18A30000-0x00007FFC194F1000-memory.dmp

    Filesize

    10.8MB

    Download