Analysis

  • max time kernel
    2s
  • max time network
    19s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 12:13

Errors

Reason
Machine shutdown

General

  • Target

    Paypal cracker.exe

  • Size

    6.6MB

  • MD5

    5627dd16f023b8be51ed365d2fb6fee5

  • SHA1

    fcccce747bf6c824233cfda366798fa0467d3daf

  • SHA256

    2e2f6fe5b310d843656af43b60c0faddf6eb0f329efc8353272437db44b5f247

  • SHA512

    e475f903d2afd4c1b985f368f77610270df54bb8207130f6339e59595777718cfadadbb732775523a11aa035cbbf3c6d81896a33d84b40f6c01f182a1654f637

  • SSDEEP

    98304:xRlI+LjNr86mjj/UYviu26bbyKS2myX0rPpIh1KcV:xRlVmj72wblTmyEpG17V

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

windows security

C2

quasarrat220-24487.portmap.io:24487

Mutex

VNM_MUTEX_mOPqShedZxvAqgLrWL

Attributes
  • encryption_key

    7mvA2TfKjvMIY0zZeMKF

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Signatures

  • Contains code to disable Windows Defender 3 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Adds Run key to start application 2 TTPs 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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.

  • Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Paypal cracker.exe
    "C:\Users\Admin\AppData\Local\Temp\Paypal cracker.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Roaming\systemsvc.exe
      "C:\Users\Admin\AppData\Roaming\systemsvc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:312
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3024
    • C:\Users\Admin\AppData\Roaming\systemkvc.exe
      "C:\Users\Admin\AppData\Roaming\systemkvc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5000
      • C:\Services\6D9F65648AD.exe
        "C:\Services\6D9F65648AD.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3084
        • C:\Users\Admin\AppData\Local\Temp\ZuJABC1.exe
          "C:\Users\Admin\AppData\Local\Temp\ZuJABC1.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer Phishing Filter
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5004
    • C:\Users\Admin\AppData\Local\Temp\Checker.exe
      "Checker.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4084
      • C:\Users\Admin\AppData\Local\Temp\PAYPAL.EXE
        "C:\Users\Admin\AppData\Local\Temp\PAYPAL.EXE"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:816
      • C:\Users\Admin\AppData\Local\Temp\WINDOWS SECURITY.EXE
        "C:\Users\Admin\AppData\Local\Temp\WINDOWS SECURITY.EXE"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4684
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "Venom Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\WINDOWS SECURITY.EXE" /rl HIGHEST /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4272
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PPvcAAxiZXhc.bat" "
          4⤵
            PID:2516
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:712
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:2192
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 2228
              4⤵
              • Program crash
              PID:4232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4684 -ip 4684
        1⤵
          PID:4364

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Services\99589C66330ACC6

                Filesize

                34KB

                MD5

                6a172fdb857f0ac1921efc443e407e7d

                SHA1

                9401bd19abe0750b866625107f146c1cf55c75b8

                SHA256

                ab3adcd792f9526fc8634b1de30773d74becadaf056c8d3b1aeee1641f4d640b

                SHA512

                195a632b76a2a19227cbd1364b810148764c6e5b94971d3e34f93e83d38d410d122db52671a9ebca4087e0216361c6e54db7f959a83832cb5ca2d769cec04ef2

              • C:\Users\Admin\AppData\Local\Temp\Checker.exe

                Filesize

                5.9MB

                MD5

                3425a9f00842bf28a0bafc5c1571b881

                SHA1

                3009eca32bcf159981d37a8620836b1d215aa33e

                SHA256

                7328321fccd71cfda94a18656158ce54b0e3a0831d48f46f559b442a33a1790a

                SHA512

                868b816f376a3bc38d24850808eb5410e4037acedd0849ad73868065525444a4cca54e3484d5ac0b14523217f3d6da24fc6132942632653439f0ea5310084bc7

              • C:\Users\Admin\AppData\Local\Temp\PAYPAL.EXE

                Filesize

                5.3MB

                MD5

                341b34b571af06277c2f3b4156bd86df

                SHA1

                ba120240400cc6dcf0e92e732d4f460f3763102b

                SHA256

                9a579053ee79c9ee45e29ac1887aba8cb87936c01026b5f3d830456547adc441

                SHA512

                2cbb482d2e087e18b7461c9a317aa249adf12821de17d6dd59f3c17e01394047df31e875a551d23d32a64a46f8db46003c2feced7e967dd159bc65d3bff76e66

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

                Filesize

                213B

                MD5

                ceb943a7b4f223e2a5a3f4762b019a6e

                SHA1

                3e577234579efdcc816a8a7929f91b98395d38b2

                SHA256

                d6bf1029ca71bb083f06bb4fb8e7e775c893fe35226eeaed89545b461f7389eb

                SHA512

                583a9300c224e5719406e78c0718c1a0a7f4f089e3c9730cd0547d754a4f2d923394acf1e5c736515fbe7b5e3e019490aa4c4b47e22b2139f4521487da899f96

              • C:\Users\Admin\AppData\Local\Temp\WINDOWS SECURITY.EXE

                Filesize

                534KB

                MD5

                9e14775490cee79c73cb45c2f24f7a73

                SHA1

                ddd6c7485a5e64a66a0a7598777abdafa7a63950

                SHA256

                d53df5b6b080ba24773ca16c7a8b70eeb783ead278712e0c5b44abc84805e60e

                SHA512

                1c0aec61a64400bcf18f6f0e5a950c68b7a25492b07290e3793a759f616c1b361ed6472d260d0f379b691567216a1f9e53af53b2dc89711df618a4463c8d0317

              • C:\Users\Admin\AppData\Local\Temp\ZuJABC1.exe

                Filesize

                3KB

                MD5

                29090b6b4d6605a97ac760d06436ac2d

                SHA1

                d929d3389642e52bae5ad8512293c9c4d3e4fab5

                SHA256

                98a24f0caf5b578e230e6f1103a5fba6aecb28a9128cad5520fcde546d643272

                SHA512

                9121ec42fa66e14a4fc3932c8dbcc8fb1a93ab9de00da57a82e176faa70b73f6992f8c5e2ab52c02fc28c8f0c59aee73b6fbbd39107db7d15105054f4390e9be

              • C:\Users\Admin\AppData\Roaming\systemkvc.exe

                Filesize

                355KB

                MD5

                33ed3913ea48a41363644e37261fddc2

                SHA1

                f52b405849a5bcffa792ee44643c7d6c9db9044f

                SHA256

                3859cde03ca6389bb5973e274ab9da5b51b9593a319e1b16330225b2aea8bd63

                SHA512

                1b4c87215b7da10166ddfc9a9f214a8fc4292905517f4632fea937fd5aff83f8cec3c99cf15dac0d6d34f0a180b592e2f3fc8346e6aa52bcf064c396b547e053

              • C:\Users\Admin\AppData\Roaming\systemsvc.exe

                Filesize

                299KB

                MD5

                5d5392e5c3edac5337a75692f75b4c8e

                SHA1

                80b9f25c4162e69fc24a5a056e2c3fc029b68f02

                SHA256

                e7c8df1d1cf7e5abf9c6c025ee99acad9ce907d5f584bb38c5eeb32706251109

                SHA512

                15141c710c41ff75b23b8b406d91b105dcfe5bb8819ae067baf1d2383a599e081ce14c978bdae151129352ccb096cd587e4ab1bf4f0995c284907e606ed66227

              • memory/816-81-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

                Filesize

                4KB

              • memory/816-95-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

                Filesize

                4KB

              • memory/816-43-0x0000000000400000-0x0000000000B2B000-memory.dmp

                Filesize

                7.2MB

              • memory/3084-66-0x0000000000CE0000-0x0000000000D3C000-memory.dmp

                Filesize

                368KB

              • memory/4684-46-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

                Filesize

                560KB

              • memory/4684-120-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-47-0x0000000005B10000-0x00000000060B4000-memory.dmp

                Filesize

                5.6MB

              • memory/4684-110-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-111-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-187-0x0000000006D20000-0x0000000006D2A000-memory.dmp

                Filesize

                40KB

              • memory/4684-112-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-80-0x0000000005580000-0x0000000005581000-memory.dmp

                Filesize

                4KB

              • memory/4684-113-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-93-0x0000000005580000-0x0000000005581000-memory.dmp

                Filesize

                4KB

              • memory/4684-114-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-115-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-122-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-126-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-116-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-117-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-184-0x00000000069A0000-0x00000000069DC000-memory.dmp

                Filesize

                240KB

              • memory/4684-118-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-105-0x0000000005760000-0x00000000057C6000-memory.dmp

                Filesize

                408KB

              • memory/4684-127-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-125-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-124-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-183-0x0000000005AF0000-0x0000000005B02000-memory.dmp

                Filesize

                72KB

              • memory/4684-123-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-121-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/4684-48-0x0000000005650000-0x00000000056E2000-memory.dmp

                Filesize

                584KB

              • memory/4684-119-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5000-13-0x0000000000050000-0x00000000000AC000-memory.dmp

                Filesize

                368KB

              • memory/5000-49-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

                Filesize

                4KB

              • memory/5000-50-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

                Filesize

                4KB

              • memory/5000-22-0x00000000010D0000-0x00000000011D0000-memory.dmp

                Filesize

                1024KB

              • memory/5000-21-0x00000000009C0000-0x0000000000A00000-memory.dmp

                Filesize

                256KB

              • memory/5000-19-0x00000000010D0000-0x00000000011D0000-memory.dmp

                Filesize

                1024KB

              • memory/5000-18-0x00000000010D0000-0x00000000011D0000-memory.dmp

                Filesize

                1024KB

              • memory/5000-191-0x0000000000050000-0x00000000000AC000-memory.dmp

                Filesize

                368KB

              • memory/5004-71-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5004-109-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-107-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-106-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-103-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-104-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-102-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-101-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-79-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-100-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-99-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-97-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-61-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5004-65-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5004-67-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5004-68-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5004-92-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-91-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-90-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-89-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-88-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-87-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-86-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-85-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-84-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-83-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-82-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-98-0x000000000BAD0000-0x000000000BB16000-memory.dmp

                Filesize

                280KB

              • memory/5004-70-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB

              • memory/5004-72-0x0000000000550000-0x0000000000566000-memory.dmp

                Filesize

                88KB

              • memory/5004-73-0x0000000000550000-0x0000000000566000-memory.dmp

                Filesize

                88KB

              • memory/5004-74-0x0000000000810000-0x0000000000856000-memory.dmp

                Filesize

                280KB