Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 12:14

General

  • Target
    e2bet.exe
  • Size 3.1MB
  • Sample260418-pee4nag16w
  • SHA256 fad86850a716b50ef38b74dc8e956e7c493be863690371d8317743f5909db93f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • thelenoxnyc.com

C2
  • thelenoxnyc.com:80

  • thelenoxnyc.com:443

  • thelenoxnyc.com:3306

  • thelenoxnyc.com/vi-vn:80

  • thelenoxnyc.com/vi-vn:443

  • thelenoxnyc.com/vi-vn:3306

Mutex
  • 73ccb855-1714-40cc-b11e-365a8bb7081e

Attributes
  • encryption_key

    576D1496F563366ADEBFC3046D6584BB4AD91241

  • install_name

    e2bet.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    10

  • startup_key

    https://thelenoxnyc.com

  • subdirectory

    e2bet

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 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\e2bet.exe
    "C:\Users\Admin\AppData\Local\Temp\e2bet.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "https://thelenoxnyc.com" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1456
    • C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
      "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "https://thelenoxnyc.com" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4992
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\j5EnWkCMunQO.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:2564
          • C:\Windows\system32\PING.EXE
            ping -n 10 localhost
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:2728
          • C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
            "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3884
            • C:\Windows\SYSTEM32\schtasks.exe
              "schtasks" /create /tn "https://thelenoxnyc.com" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe" /rl HIGHEST /f
              5⤵
              • Scheduled Task/Job: Scheduled Task
              PID:3816
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Fgi1k9zZkT0d.bat" "
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4828
              • C:\Windows\system32\chcp.com
                chcp 65001
                6⤵
                  PID:936
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3572
                • C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
                  "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe"
                  6⤵
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:3040
                  • C:\Windows\SYSTEM32\schtasks.exe
                    "schtasks" /create /tn "https://thelenoxnyc.com" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe" /rl HIGHEST /f
                    7⤵
                    • Scheduled Task/Job: Scheduled Task
                    PID:1432
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\g7mIVatfL5ya.bat" "
                    7⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1592
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      8⤵
                        PID:2452
                      • C:\Windows\system32\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • System Network Configuration Discovery: Internet Connection Discovery
                        • Runs ping.exe
                        PID:1140
                      • C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
                        "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe"
                        8⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        PID:768
                        • C:\Windows\SYSTEM32\schtasks.exe
                          "schtasks" /create /tn "https://thelenoxnyc.com" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe" /rl HIGHEST /f
                          9⤵
                          • Scheduled Task/Job: Scheduled Task
                          PID:392
        • C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
          C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:3096

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              e2bet.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\e2bet.exe.log
              • Size 1KB
              • SHA256 5d8af3c7519874ed42a0d74ee559ae30d9cc6930aef213079347e2b47092c210
              • MD5 SHA1 SHA512 TLSH

              Fgi1k9zZkT0d.bat

              • Path C:\Users\Admin\AppData\Local\Temp\Fgi1k9zZkT0d.bat
              • Size 205B
              • SHA256 6dd748e31a47cc5b3e55a87f3c10f5acdb18209ed4d743880e4103b4abd06497
              • MD5 SHA1 SHA512 TLSH

              g7mIVatfL5ya.bat

              • Path C:\Users\Admin\AppData\Local\Temp\g7mIVatfL5ya.bat
              • Size 205B
              • SHA256 2c8bbd1979eb8218c2808d0554affaf48ed6398f86a35496585fddb7c0b4950e
              • MD5 SHA1 SHA512 TLSH

              j5EnWkCMunQO.bat

              • Path C:\Users\Admin\AppData\Local\Temp\j5EnWkCMunQO.bat
              • Size 205B
              • SHA256 e326c31be8d4773551be184ad1420ade42fa6542d4841d59110bea4b840e558e
              • MD5 SHA1 SHA512 TLSH

              e2bet.exe

              • Path C:\Users\Admin\AppData\Roaming\e2bet\e2bet.exe
              • Size 3.1MB
              • SHA256 fad86850a716b50ef38b74dc8e956e7c493be863690371d8317743f5909db93f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/768-66-0x0000000002890000-0x00000000028A2000-memory.dmp

              memory/768-65-0x000000001B200000-0x000000001B39A000-memory.dmp

              memory/768-67-0x00000000028F0000-0x00000000028F9000-memory.dmp

              memory/1076-1-0x0000000002C80000-0x0000000002C90000-memory.dmp

              memory/1076-0-0x0000000000700000-0x0000000000A24000-memory.dmp

              memory/1076-7-0x000000001BF60000-0x000000001BF72000-memory.dmp

              memory/1076-6-0x000000001B570000-0x000000001B70A000-memory.dmp

              memory/3040-51-0x000000001BE10000-0x000000001BFAA000-memory.dmp

              memory/3040-60-0x000000001BE10000-0x000000001BFAA000-memory.dmp

              memory/3040-62-0x0000000003510000-0x0000000003519000-memory.dmp

              memory/3040-53-0x0000000003510000-0x0000000003519000-memory.dmp

              memory/3040-52-0x00000000034D0000-0x00000000034E2000-memory.dmp

              memory/3096-14-0x000000001B7C0000-0x000000001B95A000-memory.dmp

              memory/3096-15-0x0000000002EB0000-0x0000000002EC2000-memory.dmp

              memory/3176-13-0x000000001C730000-0x000000001C7E2000-memory.dmp

              memory/3176-19-0x000000001BB30000-0x000000001BB40000-memory.dmp

              memory/3176-10-0x000000001BB30000-0x000000001BB40000-memory.dmp

              memory/3176-12-0x000000001BAD0000-0x000000001BB20000-memory.dmp

              memory/3176-17-0x0000000002D80000-0x0000000002D92000-memory.dmp

              memory/3176-18-0x0000000002DE0000-0x0000000002DE9000-memory.dmp

              memory/3176-32-0x000000001B830000-0x000000001B9CA000-memory.dmp

              memory/3176-34-0x0000000002DE0000-0x0000000002DE9000-memory.dmp

              memory/3176-16-0x000000001B830000-0x000000001B9CA000-memory.dmp

              memory/3884-38-0x00000000029B0000-0x00000000029C2000-memory.dmp

              memory/3884-37-0x000000001B220000-0x000000001B3BA000-memory.dmp

              memory/3884-39-0x000000001B3C0000-0x000000001B3C9000-memory.dmp

              memory/3884-46-0x000000001B220000-0x000000001B3BA000-memory.dmp

              memory/3884-48-0x000000001B3C0000-0x000000001B3C9000-memory.dmp