Analysis

  • max time kernel
    6s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2024, 15:45

General

  • Target

    99edea454c0a8cc95445492610e1b60da652192b2b45e49880ad477c7828fdccN.exe

  • Size

    2.0MB

  • MD5

    7cf544865c80a40f5f77269c4578b300

  • SHA1

    2e4cd9cb2f98a7b84e4a60d39bb280638f98971e

  • SHA256

    99edea454c0a8cc95445492610e1b60da652192b2b45e49880ad477c7828fdcc

  • SHA512

    429cfdb100ef36e6bdce780b65e4c8c8861348d87ce58799a948e41b5ba898578c1a62ace6d906cdae7217b431dde6dae20445989dc66962e88b8ead69924f05

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YF

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • 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 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Program crash 4 IoCs
  • 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99edea454c0a8cc95445492610e1b60da652192b2b45e49880ad477c7828fdccN.exe
    "C:\Users\Admin\AppData\Local\Temp\99edea454c0a8cc95445492610e1b60da652192b2b45e49880ad477c7828fdccN.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 552
          3⤵
          • Program crash
          PID:1584
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2128
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4892
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3512
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3220
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MoU17sHNeGZm.bat" "
            4⤵
              PID:2276
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4424
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1140
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2692
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 2252
                  4⤵
                  • Program crash
                  PID:4216
            • C:\Users\Admin\AppData\Local\Temp\99edea454c0a8cc95445492610e1b60da652192b2b45e49880ad477c7828fdccN.exe
              "C:\Users\Admin\AppData\Local\Temp\99edea454c0a8cc95445492610e1b60da652192b2b45e49880ad477c7828fdccN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3588
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
              2⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:3036
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2056 -ip 2056
            1⤵
              PID:3508
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:5108
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:2036
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:4088
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 520
                        3⤵
                        • Program crash
                        PID:2024
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:4944
                        • C:\Windows\SysWOW64\schtasks.exe
                          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
                          3⤵
                          • Scheduled Task/Job: Scheduled Task
                          PID:4520
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:2056
                            • C:\Windows\SysWOW64\schtasks.exe
                              "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                              4⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:5012
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\F7k4kT2sOS7K.bat" "
                              4⤵
                                PID:2848
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:4120
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:4312
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 2268
                                  4⤵
                                  • Program crash
                                  PID:3304
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4020
                              • C:\Windows\SysWOW64\schtasks.exe
                                "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                                2⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:3924
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2036 -ip 2036
                              1⤵
                                PID:3580
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3512 -ip 3512
                                1⤵
                                  PID:4400
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2056 -ip 2056
                                  1⤵
                                    PID:4300
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2672
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4576

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                              Filesize

                                              1KB

                                              MD5

                                              10eab9c2684febb5327b6976f2047587

                                              SHA1

                                              a12ed54146a7f5c4c580416aecb899549712449e

                                              SHA256

                                              f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                              SHA512

                                              7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                            • C:\Users\Admin\AppData\Local\Temp\F7k4kT2sOS7K.bat

                                              Filesize

                                              208B

                                              MD5

                                              5457eac875c15da6280911f9e4cbd704

                                              SHA1

                                              47360d5a0d8cb440d09902d6b69e04249a74a87d

                                              SHA256

                                              ee247b51e54944006251bed016e040bca9a4618b04594dae49543df315c7ab30

                                              SHA512

                                              0ac7e04388e6026b8442467d125dca404b573ddfd62809d0649ae1b66e9e21daea1b897b9544d138fde9548283265371f6de0dc9274aaa3e922fed575cd887b2

                                            • C:\Users\Admin\AppData\Local\Temp\MoU17sHNeGZm.bat

                                              Filesize

                                              208B

                                              MD5

                                              678a39585e963598e782fceebf3f90ad

                                              SHA1

                                              1ffcb58f383e045e9a58bcf9cd5f6095f3c15aef

                                              SHA256

                                              e5dc035c2ea10e8ce142012ed209d8e0d25b70b35261a6d53247b1ccb8f949f3

                                              SHA512

                                              6553a48317eac0267b41a08b9f481e1c8c2fa09c53b5e80cdfc4cffe90b8846b3177037b4b488aa62f9df2701ddb54a176e8f1ae707330eb8ee03cbd75873311

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

                                              Filesize

                                              405KB

                                              MD5

                                              b8ba87ee4c3fc085a2fed0d839aadce1

                                              SHA1

                                              b3a2e3256406330e8b1779199bb2b9865122d766

                                              SHA256

                                              4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                              SHA512

                                              7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                                              Filesize

                                              349KB

                                              MD5

                                              b4a202e03d4135484d0e730173abcc72

                                              SHA1

                                              01b30014545ea526c15a60931d676f9392ea0c70

                                              SHA256

                                              7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                              SHA512

                                              632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                            • C:\Users\Admin\AppData\Roaming\Logs\11-30-2024

                                              Filesize

                                              224B

                                              MD5

                                              058dbf5e3c777d2d782376cc0c136743

                                              SHA1

                                              ae0ee13de04aeacc33d5adcff360cd0a57f939b5

                                              SHA256

                                              51f964d3319b306ee23633c741f30ae981f9e41834f302c80649e0f9c763f0a1

                                              SHA512

                                              1bb8b8f300355e1de3dcfe370604cad6a0d0092b0c8e206d9ef430334d3d907778fc409fbf27f831111e689b723d5ce457f3b599c4172bbfb250da3a25db9112

                                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                              Filesize

                                              2.0MB

                                              MD5

                                              1b1dc893c2c727c6f4e00865e972a51d

                                              SHA1

                                              0433abec244aa89f2791205728a6e40c535bbc73

                                              SHA256

                                              26c953cef1570cf8de6e516203787e18888ba4fbf660ecc98b3bcf50f0b6abb2

                                              SHA512

                                              7076f0f40cc2cc1e24bc5bf7835bef05ca6f8baa79a059e0e29ab2906644f029cecd8056aea52d913b3b210e111a1fcf45e0c4e56aea932807c05c70bc33bea1

                                            • memory/2128-36-0x0000000006560000-0x0000000006572000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2128-27-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

                                              Filesize

                                              2.0MB

                                            • memory/2128-35-0x0000000005920000-0x0000000005986000-memory.dmp

                                              Filesize

                                              408KB

                                            • memory/2128-33-0x0000000005D90000-0x0000000006334000-memory.dmp

                                              Filesize

                                              5.6MB

                                            • memory/2128-37-0x0000000006AA0000-0x0000000006ADC000-memory.dmp

                                              Filesize

                                              240KB

                                            • memory/2128-44-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

                                              Filesize

                                              2.0MB

                                            • memory/2128-34-0x0000000005880000-0x0000000005912000-memory.dmp

                                              Filesize

                                              584KB

                                            • memory/2128-30-0x0000000000F20000-0x0000000000F7E000-memory.dmp

                                              Filesize

                                              376KB

                                            • memory/2992-47-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

                                              Filesize

                                              2.0MB

                                            • memory/2992-26-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

                                              Filesize

                                              2.0MB

                                            • memory/3512-46-0x0000000006E30000-0x0000000006E3A000-memory.dmp

                                              Filesize

                                              40KB

                                            • memory/3588-29-0x0000000000120000-0x0000000000140000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3588-19-0x0000000000120000-0x0000000000140000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/4020-73-0x00000000003D0000-0x00000000003F0000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/4020-79-0x00000000003D0000-0x00000000003F0000-memory.dmp

                                              Filesize

                                              128KB