Overview

overview

10

Static

static

10

9c75c0e33b...8a.exe

windows7-x64

10

9c75c0e33b...8a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    135s
  • max time network
    145s
  • 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 18:54

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General

  • Target

    9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe

  • Size

    74KB

  • MD5

    76e8d35fe35dce2fb65d0e2fb1be067c

  • SHA1

    543ae7d1f3288b6439f50a7a6c50dacf02d13af4

  • SHA256

    9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a

  • SHA512

    d1a406fb8862577e0ba9ed1404b7568fcf519e8a39bc966e9ea58922bb2eb34bdd7275f9f3c6688b77d3604427a21973484d0b15a9cb4c992f61b17a2d775f02

  • SSDEEP

    1536:ChUZAcxjVLcoCJPPMVOe9VdQuDI6H1bf/OQzc+LVclN:yUWcxjVLLCPPMVOe9VdQsH1bfGQXBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

91.92.246.193:4444

Mutex

jugycwtdwjqv

Attributes
  • delay

    1

  • install

    true

  • install_file

    task.exe

  • install_folder

    %AppData%

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
  • 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 30 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\9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe
    "C:\Users\Admin\AppData\Local\Temp\9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "task" /tr '"C:\Users\Admin\AppData\Roaming\task.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "task" /tr '"C:\Users\Admin\AppData\Roaming\task.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3120
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA99E.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:64
      • C:\Users\Admin\AppData\Roaming\task.exe
        "C:\Users\Admin\AppData\Roaming\task.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA99E.tmp.bat
    Filesize

    148B

    MD5

    c0269a737c5d746d8ca74ee4596b9436

    SHA1

    759df7686156a50bfd39fbf75e896b690e331362

    SHA256

    eca25f0d577587224a249df09fa4de29492c8422ee80409743db6fefb42d5c1d

    SHA512

    49ecc21cedfb0abd756f8694dc5dba25c2037977b89ae5618808d0c72b337a0c6a32e4954d0c18a9f00b284c46931d9ae85947cb21d380dcd6ddb85519acac14

    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\task.exe
    Filesize

    74KB

    MD5

    76e8d35fe35dce2fb65d0e2fb1be067c

    SHA1

    543ae7d1f3288b6439f50a7a6c50dacf02d13af4

    SHA256

    9c75c0e33bb81cadd1659deef9302106b7f2358cd8ea613e6e8b76f41e60ba8a

    SHA512

    d1a406fb8862577e0ba9ed1404b7568fcf519e8a39bc966e9ea58922bb2eb34bdd7275f9f3c6688b77d3604427a21973484d0b15a9cb4c992f61b17a2d775f02

    Download Submit

  • memory/688-0-0x00007FF8D4E83000-0x00007FF8D4E85000-memory.dmp

    Filesize

    8KB

    Download

  • memory/688-1-0x0000000000410000-0x0000000000428000-memory.dmp

    Filesize

    96KB

    Download

  • memory/688-3-0x00007FF8D4E80000-0x00007FF8D5941000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/688-8-0x00007FF8D4E80000-0x00007FF8D5941000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/688-9-0x00007FF8D4E80000-0x00007FF8D5941000-memory.dmp

    Filesize

    10.8MB

    Download