Overview

overview

10

Static

static

10

Payload.rar.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    1050s
  • max time network
    1051s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 19:46

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General

  • Target

    Payload.rar.exe

  • Size

    74KB

  • MD5

    21b01a696d7a777088214c9e7c618194

  • SHA1

    8d9d322fbd23874357d5c472ab94bc03fa94ef0f

  • SHA256

    ed17e6958b1c5118a8e3cf1d3fe336c6acc2b83314c8d8aa0564e2037038fd6c

  • SHA512

    df9ed5704fd37a16e3c1807a4b5f6d7d969204ffbc50370030332b796a7c5cfbb6159f69876f0e5e9fd38438d42864f5e474ad0d04f1d815c9cbf674970ec6a3

  • SSDEEP

    1536:3Uyccxg0fCx6PMVd+yJ2MImH1b7/GzAQzcYZhVclN:3UjcxgYG6PMVd+/oH1b7ekQNZLY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

dwbvnhrqvezuppdgi

Attributes
  • delay

    1

  • install

    true

  • install_file

    Spoof.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/9ziMGwSG

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
  • 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 64 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\Payload.rar.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.rar.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Spoof" /tr '"C:\Users\Admin\AppData\Roaming\Spoof.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Spoof" /tr '"C:\Users\Admin\AppData\Roaming\Spoof.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2720
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA24B.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3772
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1288
      • C:\Users\Admin\AppData\Roaming\Spoof.exe
        "C:\Users\Admin\AppData\Roaming\Spoof.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4512

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA24B.tmp.bat
    Filesize

    149B

    MD5

    20a2ee0ea48d5c69f6673049715f30e7

    SHA1

    c2c9f240109c2ff31e45f890264b13d230861f68

    SHA256

    9e09c6bff520632d3acbccaac33c4fc179ed59cc91f8ff0a862188ade9861c8f

    SHA512

    6e240fce1b6d2fb8414a1d4974a72bbd8f04c810acceee9b2d268649a5ed9ce64237836869d46d8304d617f71a87e83579cae7cb1de11067f2e7bbcfa041e4df

    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\Spoof.exe
    Filesize

    74KB

    MD5

    21b01a696d7a777088214c9e7c618194

    SHA1

    8d9d322fbd23874357d5c472ab94bc03fa94ef0f

    SHA256

    ed17e6958b1c5118a8e3cf1d3fe336c6acc2b83314c8d8aa0564e2037038fd6c

    SHA512

    df9ed5704fd37a16e3c1807a4b5f6d7d969204ffbc50370030332b796a7c5cfbb6159f69876f0e5e9fd38438d42864f5e474ad0d04f1d815c9cbf674970ec6a3

    Download Submit

  • memory/368-0-0x00007FFE43D43000-0x00007FFE43D45000-memory.dmp

    Filesize

    8KB

    Download

  • memory/368-1-0x00000000006B0000-0x00000000006C8000-memory.dmp

    Filesize

    96KB

    Download

  • memory/368-3-0x00007FFE43D40000-0x00007FFE44801000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/368-8-0x00007FFE43D40000-0x00007FFE44801000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/368-9-0x00007FFE43D40000-0x00007FFE44801000-memory.dmp

    Filesize

    10.8MB

    Download