Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 02:19

General

  • Target
    2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe
  • Size 649KB
  • Sample240312-csbbeafd22
  • SHA256 2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet
  • Default

C2
  • 5.182.87.154:4449

Mutex
  • jiqsvporltpvroy

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • Detects executables attemping to enumerate video devices using WMI 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe
    "C:\Users\Admin\AppData\Local\Temp\2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Users\Admin\AppData\Local\Temp\2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe
      C:\Users\Admin\AppData\Local\Temp\2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2580

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b.exe.log
        • Size 1KB
        • SHA256 d0630b8466cebaaf92533826f6547b6f36a3c480848dc38d650acd52b522a097
        • MD5 SHA1 SHA512

        memory/2580-8-0x0000000000400000-0x0000000000416000-memory.dmp

        memory/2580-16-0x0000018407680000-0x0000018407690000-memory.dmp

        memory/2580-15-0x00007FFE83B30000-0x00007FFE845F1000-memory.dmp

        memory/2580-14-0x0000018407680000-0x0000018407690000-memory.dmp

        memory/2580-13-0x00007FFE83B30000-0x00007FFE845F1000-memory.dmp

        memory/4280-6-0x000001BF312C0000-0x000001BF3130C000-memory.dmp

        memory/4280-0-0x000001BF16D00000-0x000001BF16DA8000-memory.dmp

        memory/4280-5-0x000001BF31290000-0x000001BF312C4000-memory.dmp

        memory/4280-12-0x00007FFE83B30000-0x00007FFE845F1000-memory.dmp

        memory/4280-4-0x000001BF313B0000-0x000001BF313C0000-memory.dmp

        memory/4280-3-0x00007FFE83B30000-0x00007FFE845F1000-memory.dmp

        memory/4280-2-0x000001BF171E0000-0x000001BF17214000-memory.dmp

        memory/4280-1-0x000001BF17170000-0x000001BF171BC000-memory.dmp