Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 19:15

General

  • Target

    VaporWaveX2.1/VaporWave2-1.exe

  • Size

    72.5MB

  • MD5

    af85b5d9c237ea75d4a307d5157c847f

  • SHA1

    84ad14e5d89bd85f0ef1bb5f3269c0d6929c6a53

  • SHA256

    3e7fe3f421b50a884cc30ac892a739e895f4243ed554183deebc7415593ee2d2

  • SHA512

    bf2e7414f1e00d69aaf3dab61a938c3051f429b712d8dcccd3f7a7a32226d42dc66477c1fac7cbb67a326dd05b33de7afbc176ce4280405ac69e2e8dcbdabca3

  • SSDEEP

    6144:UI6bPXhLApfpo8CL1g1N1ZflpUwGbeCqgHcFi9vNnoGjlhjl7k4:lmhAp5CL1g1N1ZfXxpi9vhHl1l7k4

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

general1

C2

servicehos.zapto.org:4444

Mutex

QSR_MUTEX_ksxWAP4ziOqMlreofU

Attributes
  • encryption_key

    i9HUVkY4QNExDOHIMtIX

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svchost

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VaporWaveX2.1\VaporWave2-1.exe
    "C:\Users\Admin\AppData\Local\Temp\VaporWaveX2.1\VaporWave2-1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\VaporWaveX2.1\VaporWave2-1.exe" /rl HIGHEST /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4632
    • C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4504
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /delete /tn "svchost" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4376
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A1AVM8vv9dhg.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1608
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1908
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 10 localhost
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\A1AVM8vv9dhg.bat

    Filesize

    263B

    MD5

    6d144bc6c4956fde47d206e7648701fa

    SHA1

    175c6db559699587dc330cf943cc82b46514b5da

    SHA256

    b969a492a3e65ba73d8ee76a9e029e4bd2b82aa57696ed5b10e344a7cacf11ca

    SHA512

    23785607e52fe5b4322a01c6335afcdcbd76206e1d7a961c4804cd8d8b13dd2bd2ab14aeca7b11d9496347069330cf1397907c3d06eac10930141a14b75504b7

  • C:\Users\Admin\AppData\Roaming\Logs\11-01-~1

    Filesize

    224B

    MD5

    f6569f025280e6812fd6bd39fab7348f

    SHA1

    c1f237e0e913a3fdadf116a327bb020180251404

    SHA256

    e71dd90b830016ebbee8de17799259c9dd4c0e51ec7963873782ba2d5e5a88f5

    SHA512

    b543f55c350780c6d24f503c20ab269ee513baa14a378c6f69d9f71ce1f670bece4579c02bba24369d2a00aa255a6f450f878c035aed64a28e9c0e5340290dcf

  • memory/2828-6-0x00000000058F0000-0x0000000005902000-memory.dmp

    Filesize

    72KB

  • memory/2828-3-0x0000000004BF0000-0x0000000004C82000-memory.dmp

    Filesize

    584KB

  • memory/2828-4-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/2828-5-0x0000000004D40000-0x0000000004DA6000-memory.dmp

    Filesize

    408KB

  • memory/2828-0-0x000000007488E000-0x000000007488F000-memory.dmp

    Filesize

    4KB

  • memory/2828-7-0x0000000005E30000-0x0000000005E6C000-memory.dmp

    Filesize

    240KB

  • memory/2828-14-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/2828-2-0x0000000005100000-0x00000000056A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2828-1-0x0000000000170000-0x00000000001CE000-memory.dmp

    Filesize

    376KB

  • memory/3312-15-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/3312-17-0x0000000006A00000-0x0000000006A0A000-memory.dmp

    Filesize

    40KB

  • memory/3312-18-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/3312-24-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB