Overview

overview

10

Static

static

10

f6cd78c4a4...85.exe

windows7-x64

10

f6cd78c4a4...85.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 19:09

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General

  • Target

    f6cd78c4a4628d0c9b4d6895d711f049deb9582d2596cf9a22e98400392a2c85.exe

  • Size

    74KB

  • MD5

    5a3a5c11825b10b21ed422f9988b6cbe

  • SHA1

    8e31f8b4b94c0aace78900a0d2a29842f0782f68

  • SHA256

    f6cd78c4a4628d0c9b4d6895d711f049deb9582d2596cf9a22e98400392a2c85

  • SHA512

    083fadbf5bc60f9c2b50b3512b304eeebf0a41a6ac3be2ee417e66db0eb66787547bb7cfa3d654630b770e215c9f6009898420192820912809052e50256b1b15

  • SSDEEP

    1536:dXUHccx4m3Cmv6PMV4mdwLFaI8H1b+/dkzQzcYxLVclN:dXU8cx4qB6PMV4mjH1b+CQNxBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

WindowsDefender

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Defender Manager.exe

  • install_folder

    %Temp%

  • pastebin_config

    https://pastebin.com/raw/LwwcrLg4

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • VenomRAT 2 IoCs

    Detects VenomRAT.

    rat
  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 51 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\f6cd78c4a4628d0c9b4d6895d711f049deb9582d2596cf9a22e98400392a2c85.exe
    "C:\Users\Admin\AppData\Local\Temp\f6cd78c4a4628d0c9b4d6895d711f049deb9582d2596cf9a22e98400392a2c85.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender Manager" /tr '"C:\Users\Admin\AppData\Local\Temp\Windows Defender Manager.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender Manager" /tr '"C:\Users\Admin\AppData\Local\Temp\Windows Defender Manager.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2436
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAC0F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3628
      • C:\Users\Admin\AppData\Local\Temp\Windows Defender Manager.exe
        "C:\Users\Admin\AppData\Local\Temp\Windows Defender Manager.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windows Defender Manager.exe
    Filesize

    74KB

    MD5

    5a3a5c11825b10b21ed422f9988b6cbe

    SHA1

    8e31f8b4b94c0aace78900a0d2a29842f0782f68

    SHA256

    f6cd78c4a4628d0c9b4d6895d711f049deb9582d2596cf9a22e98400392a2c85

    SHA512

    083fadbf5bc60f9c2b50b3512b304eeebf0a41a6ac3be2ee417e66db0eb66787547bb7cfa3d654630b770e215c9f6009898420192820912809052e50256b1b15

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmpAC0F.tmp.bat
    Filesize

    171B

    MD5

    ab94e9b51fa681d1be29365beaa45ae7

    SHA1

    60c295113c74b1bed9018a7cccbf387e008db008

    SHA256

    4931c89e303a63df23513c870ac349d4f5b3f7a8df4cde0f96b9f3033788e1cf

    SHA512

    1645558830e56188b36aab9780d91de6225cee3342562ec0de163caca12d3d7406fad4fdeb6433a785cc95e50b0fa0b1a3662932aca9b731e11dcf022da940b8

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • memory/4796-0-0x00007FF9209B3000-0x00007FF9209B5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4796-1-0x0000000000590000-0x00000000005A8000-memory.dmp

    Filesize

    96KB

    Download

  • memory/4796-3-0x00007FF9209B0000-0x00007FF921471000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4796-8-0x00007FF9209B0000-0x00007FF921471000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4796-9-0x00007FF9209B0000-0x00007FF921471000-memory.dmp

    Filesize

    10.8MB

    Download