Overview

overview

10

Static

static

10

Client.exe

windows7-x64

10

Client.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 00:33

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General

  • Target

    Client.exe

  • Size

    47KB

  • MD5

    29aec1e80d556ddaea848196398fcc85

  • SHA1

    efd928f0c29ea9ec9790797f544e730796e431f2

  • SHA256

    d494670dad941c5f2f58a3ba4e6a5dfb2eb70265a14ef02db2937c8d679086eb

  • SHA512

    75b811b4251f568dcd0cb4a6bb22c67475d979b2f54a729b44ea2d09cefc4894dbc80bcbdf0b9238fc4a3c357e8d675d8453084a620e94e47175f29915dae79c

  • SSDEEP

    768:H3QgrILqiGm+LiAtelDSN+iV08YbygeHxQRSR31ybvEgK/JTRVc6KN:H39qAtKDs4zb1Cxp3KnkJTRVclN

Score
10/10
asyncrathawkeyedefaultkeyloggerratspywarestealertrojan

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:8848

127.0.0.1:22

127.0.0.1:23

ilovabby.ddns.net:8848

ilovabby.ddns.net:22

ilovabby.ddns.net:23
Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windowsupdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

    keyloggertrojanstealerspywarehawkeye
  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windowsupdate" /tr '"C:\Users\Admin\AppData\Roaming\Windowsupdate.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Windowsupdate" /tr '"C:\Users\Admin\AppData\Roaming\Windowsupdate.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:2404
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2137.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2684
      • C:\Users\Admin\AppData\Roaming\Windowsupdate.exe
        "C:\Users\Admin\AppData\Roaming\Windowsupdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2137.tmp.bat
    Filesize

    157B

    MD5

    bcbf0c6c62fc7c5f1425ae00c7ce4e22

    SHA1

    5063f08186faebaf6a6d069961d29a3ae46d2f74

    SHA256

    43f1aa320d92fe412a107b738d33e8db532663f6b7624a6151cdfe0fce782150

    SHA512

    19f2e9776de449c0cc0f9602d674df82ff7420cc296e56b0961fc0e7c1a6d1278e9be1149e160c319a6ffed11f25ffea69ba1f2a7420a7763d8b9703b671c5bc

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Windowsupdate.exe
    Filesize

    47KB

    MD5

    29aec1e80d556ddaea848196398fcc85

    SHA1

    efd928f0c29ea9ec9790797f544e730796e431f2

    SHA256

    d494670dad941c5f2f58a3ba4e6a5dfb2eb70265a14ef02db2937c8d679086eb

    SHA512

    75b811b4251f568dcd0cb4a6bb22c67475d979b2f54a729b44ea2d09cefc4894dbc80bcbdf0b9238fc4a3c357e8d675d8453084a620e94e47175f29915dae79c

    Download Submit

  • memory/2180-0-0x000007FEF5783000-0x000007FEF5784000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2180-1-0x0000000000E70000-0x0000000000E82000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2180-2-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2180-11-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2708-16-0x0000000000C30000-0x0000000000C42000-memory.dmp

    Filesize

    72KB

    Download