Overview

overview

10

Static

static

10

Spoofer.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 02:32

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General

  • Target

    Spoofer.exe

  • Size

    3.1MB

  • MD5

    751f5155537238c34bf0b718cbcbfec3

  • SHA1

    da8832e49c287fda15326f88fb8909f5e5c8406e

  • SHA256

    87a7aa13bc4864f4f113a0e88f93207d201504df57e486a5a31704339a0ceabd

  • SHA512

    8791f01319cebfb2fee868de916689f3926c7af5152df44738f2ccededb1a5a02d751e4df1fd5b9e777b3e829a00f7f22a2a2bef5f17fc91186205066e0c81f3

  • SSDEEP

    49152:Svht62XlaSFNWPjljiFa2RoUYIEVFAnpvj7LoJd5THHB72eh2NT:SvL62XlaSFNWPjljiFXRoUYI9n5

Score
10/10
quasarspooferspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Spoofer

C2

192.168.0.105:2909

Mutex

e7d81d52-e002-4d4a-826e-4f612340cec1

Attributes
  • encryption_key

    CBD82136C14646252528D79E6104B3979DC09D52

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    update

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 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.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2128
    • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\Client.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:2248
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4676
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3356
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1860
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3320
      • C:\Windows\System32\_iyiwy.exe
        "C:\Windows\System32\_iyiwy.exe"
        1⤵
          PID:2044

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Persistence

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Privilege Escalation

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Defense Evasion

        Credential Access

        Discovery

        System Information Discovery

        2
        T1082

        Query Registry

        2
        T1012

        Peripheral Device Discovery

        1
        T1120

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Resource Development

        Reconnaissance

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
          Filesize

          3.1MB

          MD5

          751f5155537238c34bf0b718cbcbfec3

          SHA1

          da8832e49c287fda15326f88fb8909f5e5c8406e

          SHA256

          87a7aa13bc4864f4f113a0e88f93207d201504df57e486a5a31704339a0ceabd

          SHA512

          8791f01319cebfb2fee868de916689f3926c7af5152df44738f2ccededb1a5a02d751e4df1fd5b9e777b3e829a00f7f22a2a2bef5f17fc91186205066e0c81f3

          Download Submit
        • memory/1444-10-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/1444-1-0x0000000000AD0000-0x0000000000DF4000-memory.dmp
          Filesize

          3.1MB

          Download
        • memory/1444-2-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/1444-0-0x00007FFAE3683000-0x00007FFAE3685000-memory.dmp
          Filesize

          8KB

          Download
        • memory/1860-28-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-25-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-23-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-22-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-26-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-27-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-18-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-17-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-16-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/1860-24-0x00000257864F0000-0x00000257864F1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/2248-9-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/2248-15-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/2248-14-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/2248-11-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/2248-13-0x000000001C3B0000-0x000000001C462000-memory.dmp
          Filesize

          712KB

          Download
        • memory/2248-12-0x000000001C2A0000-0x000000001C2F0000-memory.dmp
          Filesize

          320KB

          Download
        • memory/2248-29-0x000000001CCE0000-0x000000001D208000-memory.dmp
          Filesize

          5.2MB

          Download