Resubmissions

21/04/2026, 15:49

260421-s9d2macw2w10

03/04/2026, 15:20

260403-sqs2fag14v10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/04/2026, 15:49

General

  • Target
    pulsetrack.exe
  • Size 3.5MB
  • Sample260421-s9d2macw2w
  • SHA256 4bdd92ce7d79c0ed576d22098cb1aa10a9a73e243dc335297081a787d4753214
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • pulsetrack

C2
  • dot.sa.com:4782

  • dot.sa.com:443

  • dot.sa.com:8888

  • dot.sa.com:8848

  • dot.sa.com:8080

  • tasawoq.it.com:4782

  • tasawoq.it.com:443

  • tasawoq.it.com:8888

  • tasawoq.it.com:8848

  • tasawoq.it.com:8080

Mutex
  • 94e76031-936f-4a3e-9754-9aa3b135f801

Attributes
  • encryption_key

    2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED

  • install_name

    pulsetrack.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    pulsetrack

  • subdirectory

    C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Executes dropped EXE 2 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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\pulsetrack.exe
    "C:\Users\Admin\AppData\Local\Temp\pulsetrack.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "pulsetrack" /sc ONLOGON /tr "C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3920
    • C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe
      "C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "pulsetrack" /sc ONLOGON /tr "C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4804
  • C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe
    C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4544

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        pulsetrack.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\pulsetrack.exe.log
        • Size 1KB
        • SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
        • MD5 SHA1 SHA512 TLSH

        pulsetrack.exe

        • Path C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe
        • Size 3.5MB
        • SHA256 4bdd92ce7d79c0ed576d22098cb1aa10a9a73e243dc335297081a787d4753214
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2360-14-0x000000001BCC0000-0x000000001BD10000-memory.dmp

        memory/2360-10-0x0000000002780000-0x0000000002790000-memory.dmp

        memory/2360-15-0x000000001BDD0000-0x000000001BE82000-memory.dmp

        memory/2360-16-0x0000000002760000-0x000000000276C000-memory.dmp

        memory/2360-18-0x0000000002780000-0x0000000002790000-memory.dmp

        memory/2360-17-0x000000001B460000-0x000000001B575000-memory.dmp

        memory/4056-8-0x0000000000E50000-0x0000000000E5C000-memory.dmp

        memory/4056-1-0x000000001B640000-0x000000001B650000-memory.dmp

        memory/4056-9-0x000000001B650000-0x000000001B765000-memory.dmp

        memory/4056-0-0x0000000000320000-0x000000000069E000-memory.dmp

        memory/4544-12-0x0000000002880000-0x000000000288C000-memory.dmp

        memory/4544-13-0x000000001B830000-0x000000001B945000-memory.dmp