Overview

overview

10

Static

static

10

27d16a4b69...e2.exe

windows7-x64

10

27d16a4b69...e2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • 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 18:36

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General

  • Target

    27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2.exe

  • Size

    74KB

  • MD5

    c3f58ffd73d3afc5cc08a29dc5a864c8

  • SHA1

    aad0a8c93043e3a4f7c422278c9c02a016ed55b7

  • SHA256

    27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2

  • SHA512

    4d45d348bbbc2d503eea99c7265e68c6ce87cf8be982ba153c6e8e6c58484476fc4287a91f8cff2eaa3f4ff1de04e02b2b4bcb597326c6963b28967670fc50b7

  • SSDEEP

    1536:EUgQcxI76jCsGPMV19BsmGYIek1bd/VgSQzceLVclN:EUVcxI7q3GPMVz9jk1bd9Q3BY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

119.59.98.116:7812

Mutex

WindowsDefendersecurityService

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Defender Security Service.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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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\27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2.exe
    "C:\Users\Admin\AppData\Local\Temp\27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender Security Service" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:468
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender Security Service" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:720
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1E51.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1272
      • C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe
        "C:\Users\Admin\AppData\Roaming\Windows Defender Security Service.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:348
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4280,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
    1⤵
      PID:2896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1E51.tmp.bat
      Filesize

      178B

      MD5

      a6f69129182dd21edb207722009933b6

      SHA1

      6c580a64c5e84cefd5c35f00728a10029214f2ad

      SHA256

      71bf772b03b692b79c703ddeaa22335ba9568d13099f371256b72886f4636273

      SHA512

      223e2f09682d49fa87f0412b8293f99ae157edccb485bcc5b3cc9b7e2f712741900c277020788bd74876215d319d5a9856e581afb289955c852f5e76544fcd6c

      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\Windows Defender Security Service.exe
      Filesize

      74KB

      MD5

      c3f58ffd73d3afc5cc08a29dc5a864c8

      SHA1

      aad0a8c93043e3a4f7c422278c9c02a016ed55b7

      SHA256

      27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2

      SHA512

      4d45d348bbbc2d503eea99c7265e68c6ce87cf8be982ba153c6e8e6c58484476fc4287a91f8cff2eaa3f4ff1de04e02b2b4bcb597326c6963b28967670fc50b7

      Download Submit

    • memory/3912-1-0x0000000000E80000-0x0000000000E98000-memory.dmp

      Filesize

      96KB

      Download

    • memory/3912-0-0x00007FFAABD83000-0x00007FFAABD85000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3912-3-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3912-8-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3912-9-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

      Filesize

      10.8MB

      Download