Overview

overview

10

Static

static

10

415479c03f...58.exe

windows7-x64

10

415479c03f...58.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-08-2024 12:18

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General

  • Target

    415479c03f59ed169402224d1bf7a158.exe

  • Size

    74KB

  • MD5

    415479c03f59ed169402224d1bf7a158

  • SHA1

    3306a80290079a971df35eb037dd900865ccad0f

  • SHA256

    408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068

  • SHA512

    4db90ce9f90100c7e9b7c637b6c1b8615d2cdaaf8e043d03bd1801069abdd457403e01cbf3f97d452128d68267d95c09e3105062f4ea47dd4997d45e504eaa9c

  • SSDEEP

    1536:zUt8cxqnHXC56PMV953pIZlyH1bo/MDT0Mz5QzckTtVclN:zUOcxq3O6PMV3slyH1bo0DT0Mz5QhT/Y

Score
10/10
asyncratrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Mutex

rufrwqqzhtx

Attributes
  • delay

    1

  • install

    true

  • install_file

    WinUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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\415479c03f59ed169402224d1bf7a158.exe
    "C:\Users\Admin\AppData\Local\Temp\415479c03f59ed169402224d1bf7a158.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WinUpdate" /tr '"C:\Users\Admin\AppData\Roaming\WinUpdate.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2336
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "WinUpdate" /tr '"C:\Users\Admin\AppData\Roaming\WinUpdate.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2444
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9859.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2028
      • C:\Users\Admin\AppData\Roaming\WinUpdate.exe
        "C:\Users\Admin\AppData\Roaming\WinUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9859.tmp.bat
    Filesize

    153B

    MD5

    34a10e58633713743da5077bd220c660

    SHA1

    c0bb8a9c5b2c7c5b1a9344f95de5e50f07ea37c8

    SHA256

    a454eeea87dfbfdfcf04569e8f983389fbd6dc68d17a0f46a578f74e08c00b30

    SHA512

    061ca2eab4eff5701704bd8dc66ddab152509c9850d0a664959d8d388f3d7e85d8e2d9e01746f42db5a3f1b438e6ef46f63767a7cc525d1d2a697a8ed16da98d

    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\WinUpdate.exe
    Filesize

    74KB

    MD5

    415479c03f59ed169402224d1bf7a158

    SHA1

    3306a80290079a971df35eb037dd900865ccad0f

    SHA256

    408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068

    SHA512

    4db90ce9f90100c7e9b7c637b6c1b8615d2cdaaf8e043d03bd1801069abdd457403e01cbf3f97d452128d68267d95c09e3105062f4ea47dd4997d45e504eaa9c

    Download Submit

  • memory/2720-18-0x0000000000390000-0x00000000003A8000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2904-0-0x000007FEF5813000-0x000007FEF5814000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2904-1-0x0000000000930000-0x0000000000948000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2904-3-0x000007FEF5810000-0x000007FEF61FC000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2904-4-0x000007FEF5810000-0x000007FEF61FC000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2904-14-0x000007FEF5810000-0x000007FEF61FC000-memory.dmp

    Filesize

    9.9MB

    Download