Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/10/2026, 09:03

General

  • Target
    download2.exe
  • Size 3.1MB
  • Sample261011-k1fvvsfa65
  • SHA256 0fdf8b638918ac7a04c36e6ea150548dcd245caa8674601c8a9d5905e77f9bc3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • ajaib123.vip

C2
  • ajaib123.vip:443

Mutex
  • eb5e05a5-27fb-4e3d-a84e-332dd9dd6dcb

Attributes
  • encryption_key

    064A791F72F1A9EEE6944D54C0499DCF8FED6648

  • install_name

    svchost.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    https://ajaib123.vip

  • subdirectory

    SubDir

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Executes a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\download2.exe
    "C:\Users\Admin\AppData\Local\Temp\download2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "https://ajaib123.vip" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5684
    • C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
      2⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4840
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "https://ajaib123.vip" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2364
  • C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
    C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
    1⤵
    • Executes a file named after a Windows system binary
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1036

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        svchost.exe

        • Path C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
        • Size 3.1MB
        • SHA256 0fdf8b638918ac7a04c36e6ea150548dcd245caa8674601c8a9d5905e77f9bc3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2452-14-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-23-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-3-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-4-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-5-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-6-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-7-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-8-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-9-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-10-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-11-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-12-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-13-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-0-0x00007FF92148F000-0x00007FF921490000-memory.dmp

        memory/2452-2-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/2452-1-0x0000000000740000-0x0000000000A64000-memory.dmp

        memory/4840-29-0x000000001E260000-0x000000001E312000-memory.dmp

        memory/4840-18-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-19-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-16-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-21-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-25-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-22-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-20-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-27-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-26-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-28-0x000000001E150000-0x000000001E1A0000-memory.dmp

        memory/4840-17-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

        memory/4840-30-0x00007FF921300000-0x00007FF921CA4000-memory.dmp