Analysis

  • max time kernel
    5s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 03:43

General

  • Target

    c1245f1fcfbd6a4afb602fcce791978341a07bf29dc677ade00434b8ff28932d.exe

  • Size

    2.0MB

  • MD5

    67fffa75d77ab5537b3a2bc2d4e0927c

  • SHA1

    cecd6728e60c311c8aad7a72bdbeebf91ba78e74

  • SHA256

    c1245f1fcfbd6a4afb602fcce791978341a07bf29dc677ade00434b8ff28932d

  • SHA512

    853ec53c58c156a6e17c4ba3df003d1891ab9eb23751657d06dd3da3a23839eecc0823e383915d35bb4b14da71486a722e0733258b3b677d7c2345bcf9b48c66

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG

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 3 IoCs

    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 2 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\c1245f1fcfbd6a4afb602fcce791978341a07bf29dc677ade00434b8ff28932d.exe
    "C:\Users\Admin\AppData\Local\Temp\c1245f1fcfbd6a4afb602fcce791978341a07bf29dc677ade00434b8ff28932d.exe"
    1⤵
    • Quasar RAT
    • 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:984
    • 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:3100
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 548
          3⤵
          • Program crash
          PID:1904
      • 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:1584
        • 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:2888
        • 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:4636
          • 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:4800
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\aT1lWIm5rEd4.bat" "
            4⤵
              PID:4296
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1592
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:908
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3724
                    • 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
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:4808
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8aKXuFXpbcnK.bat" "
                      6⤵
                        PID:3132
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:824
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4880
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2188
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:1096
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 2000
                            6⤵
                            • Program crash
                            PID:1976
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 2012
                        4⤵
                        • Program crash
                        PID:5044
                  • C:\Users\Admin\AppData\Local\Temp\c1245f1fcfbd6a4afb602fcce791978341a07bf29dc677ade00434b8ff28932d.exe
                    "C:\Users\Admin\AppData\Local\Temp\c1245f1fcfbd6a4afb602fcce791978341a07bf29dc677ade00434b8ff28932d.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1032
                  • 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:2300
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3100 -ip 3100
                  1⤵
                    PID:3620
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1928
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4960
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4868
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 520
                              3⤵
                              • Program crash
                              PID:400
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3624
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4548
                              • 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:5092
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4960 -ip 4960
                              1⤵
                                PID:3940
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4636 -ip 4636
                                1⤵
                                  PID:2008
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3724 -ip 3724
                                  1⤵
                                    PID:3920
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2388
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2464

                                      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\8aKXuFXpbcnK.bat

                                        Filesize

                                        208B

                                        MD5

                                        788dbf595893c77535b72be35225b0b6

                                        SHA1

                                        177d3039375b5d98830f8222e42d186523c72af5

                                        SHA256

                                        2211d77a413e561b0395782c8b332b0fe355bc3aa64c6c42cf85762785554a0d

                                        SHA512

                                        2f99cc26df24a1b1b617426d738b28dfc03548d4eae441623a65a062c4942b9dcbeae5832d41080e4502ca95843fa707ced6056a392dd4ed421a49ecbbf5613b

                                      • C:\Users\Admin\AppData\Local\Temp\aT1lWIm5rEd4.bat

                                        Filesize

                                        208B

                                        MD5

                                        98971943fd579117940f225375cc5cae

                                        SHA1

                                        f7ba8aaeaf2b8ec800553ef845d93728548c8335

                                        SHA256

                                        3ef7c931bd011663e5d0c17c2116b7abf01713ddb2e3baffda9bdaf11db8ccdd

                                        SHA512

                                        fa3583d993d92032a26e15abc18dcdba066d03adfb08406dfacdc23a21e5bcba0f330de08dcd929d370a21a56d301121607189428c483ee68090174c9f30f68f

                                      • 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\11-08-2024

                                        Filesize

                                        224B

                                        MD5

                                        12453d01e6f04ade00067b527e1b76b2

                                        SHA1

                                        52966d92c427476b782a61dd0541c96a8c29c492

                                        SHA256

                                        441982d9abc20b42668bbb89c105d2a2e8bc35f551ec1fce135c6c964ae3d699

                                        SHA512

                                        ea86bc14d229c3b83e67d360e2ca15a1366a14be50bf9274be8e6fb4d9107d8bfacb3854d3241a9cc227a80b2f0199acf44bfa78325df9a4a61e9b69ef9584c4

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-08-2024

                                        Filesize

                                        224B

                                        MD5

                                        4bf91d401104c5de7e360fe202b71aef

                                        SHA1

                                        f7aa7f6d461fa211e5cf130ae4e7a50899c4086a

                                        SHA256

                                        4d7210870cc588048da1114020ca6923cca5bbd585a33332e7ea82b7d631cd29

                                        SHA512

                                        76f3b27d7e0d3c396389fc32747c4920bb46c6694c848cfd5f9e70ea07e680814f8441485e956fc34dc15cdbc1acbdb699ea66da690c03d84cb9bd4142e1cad8

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        bacff31adf0e4b234dfdd442b981f97a

                                        SHA1

                                        a0a69000ac6973e0fc2d3f516a7d029f5208792e

                                        SHA256

                                        c1e477aa7910fbc914480ddb5e7278bf4dce293f06e7c3a288d008f1cebaeb29

                                        SHA512

                                        cbd15bfdbf691dc2a7d58a66ff6ecd655e7c427a5596dd4286f79c1d9f5a8657e253407c204a434f07b90e12f2f66b23c3dc3dfeb7d620273db742fbf7119e7f

                                      • memory/984-19-0x00000000039E0000-0x00000000039E1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1032-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1032-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1584-34-0x0000000004BB0000-0x0000000004C42000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1584-37-0x0000000005F10000-0x0000000005F4C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1584-36-0x00000000059D0000-0x00000000059E2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1584-35-0x0000000004CC0000-0x0000000004D26000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1584-33-0x0000000005040000-0x00000000055E4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1584-32-0x0000000000280000-0x00000000002DE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1584-29-0x00000000738BE000-0x00000000738BF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4636-45-0x0000000006960000-0x000000000696A000-memory.dmp

                                        Filesize

                                        40KB