Overview

overview

10

Static

static

10

331f31d4be...8b.exe

windows7-x64

10

331f31d4be...8b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    148s
  • 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 18:39

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General

  • Target

    331f31d4be0ff0f371a8804524359ce455e481c32e00cd75d0c5a7973a17a18b.exe

  • Size

    73KB

  • MD5

    3a3e19b6e7cf03c8c66839db4ebd031f

  • SHA1

    b2a0bec39e05062bb7dd47ee7d57ab9e4ee0f817

  • SHA256

    331f31d4be0ff0f371a8804524359ce455e481c32e00cd75d0c5a7973a17a18b

  • SHA512

    525dc8e997fbc180dc1ac3c137f5c265a7b4268435a83523ef4005de38361e449255f1ea3c5f12fd21673553e0d7738bd72be9034022cbc2d177a2a123fcc9a7

  • SSDEEP

    1536:sU/wcxea0CTmPMVWe9VdQkhDIyH1bf/MxTKWmQzcX3VclN:sUIcxeFImPMVWe9VdQgH1bfUxT1mQilY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

etdcxllqrfpos

Attributes
  • delay

    2

  • install

    true

  • install_file

    evert.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
  • 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 52 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\331f31d4be0ff0f371a8804524359ce455e481c32e00cd75d0c5a7973a17a18b.exe
    "C:\Users\Admin\AppData\Local\Temp\331f31d4be0ff0f371a8804524359ce455e481c32e00cd75d0c5a7973a17a18b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "evert" /tr '"C:\Users\Admin\AppData\Local\Temp\evert.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "evert" /tr '"C:\Users\Admin\AppData\Local\Temp\evert.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2484
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp90B7.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:220
      • C:\Users\Admin\AppData\Local\Temp\evert.exe
        "C:\Users\Admin\AppData\Local\Temp\evert.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\evert.exe
    Filesize

    73KB

    MD5

    3a3e19b6e7cf03c8c66839db4ebd031f

    SHA1

    b2a0bec39e05062bb7dd47ee7d57ab9e4ee0f817

    SHA256

    331f31d4be0ff0f371a8804524359ce455e481c32e00cd75d0c5a7973a17a18b

    SHA512

    525dc8e997fbc180dc1ac3c137f5c265a7b4268435a83523ef4005de38361e449255f1ea3c5f12fd21673553e0d7738bd72be9034022cbc2d177a2a123fcc9a7

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp90B7.tmp.bat
    Filesize

    152B

    MD5

    6b0c1a3cd36b6c0c6998bd6629967ebe

    SHA1

    94367d19215cc8b1a28de6a83d3540458c20b858

    SHA256

    e783503b627da492185a72e8efa91091c4448794cad7e1f927707ede771dc3bb

    SHA512

    810f55fb96db41f4de4fddee40da0154671bca7553e5332c041018fab0331d8e62cfedfaa2cd71797d46a8e68c88b7551386ab211d263ea9deee194319db0088

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • memory/1032-0-0x00007FF8FF573000-0x00007FF8FF575000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1032-1-0x0000000000740000-0x0000000000756000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1032-3-0x00007FF8FF570000-0x00007FF900031000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1032-8-0x00007FF8FF570000-0x00007FF900031000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1032-9-0x00007FF8FF570000-0x00007FF900031000-memory.dmp

    Filesize

    10.8MB

    Download