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Overview

overview

10

Static

static

10

1234rwe.exe

windows7-x64

10

1234rwe.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    1050s
  • max time network
    1050s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 11:11

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General

  • Target

    1234rwe.exe

  • Size

    74KB

  • MD5

    f2d0418d8366c6555496da77cccddcee

  • SHA1

    812e7f5741fd7e6ba812eab3b8462b10d0adffbd

  • SHA256

    db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f

  • SHA512

    e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c

  • SSDEEP

    1536:ZUxQcxh31CfGPMVKGggyVIrH1bo/JfO/V9QzcQxLVclN:ZUecxhlEGPMVRggygH1bot2V9QlxBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

ytgjjhywchk

Attributes
  • delay

    1

  • install

    true

  • install_file

    RealtekHighDefinitionAudio.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/ZrvsMACD

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
  • 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 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\1234rwe.exe
    "C:\Users\Admin\AppData\Local\Temp\1234rwe.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2120
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpBB92.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2532
      • C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe
        "C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBB92.tmp.bat
    Filesize

    170B

    MD5

    ecec77022b0d483abc336cc6a5853b46

    SHA1

    89cc038e3121c6389094b2eaf4863dad9af42de2

    SHA256

    774206fbafb6ef67c76c5da44ea585d4330e965b73c8f1b8e1af0e83583d7fcf

    SHA512

    7e111235a6ca19e51888491d65a6b74e34ad456e64ad624ae203e93b29a0ab559d578e446d153286cf43590292c50295ba1d861f1d8e3784fe457d87603e058c

    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\RealtekHighDefinitionAudio.exe
    Filesize

    74KB

    MD5

    f2d0418d8366c6555496da77cccddcee

    SHA1

    812e7f5741fd7e6ba812eab3b8462b10d0adffbd

    SHA256

    db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f

    SHA512

    e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c

    Download Submit

  • memory/1992-18-0x0000000000800000-0x0000000000818000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2376-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2376-1-0x0000000000810000-0x0000000000828000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2376-3-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2376-11-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2376-14-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

    Filesize

    9.9MB

    Download