Analysis

  • max time kernel
    5s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 03:18

General

  • Target

    d5a6c33ad798f13bfa90944b6b0a6452d166e170be8b94dbfa29b6ab636b36f9.exe

  • Size

    2.0MB

  • MD5

    966b5ad554c663807232dccba0032e5e

  • SHA1

    9d2b0b8bae82bab8f7632f40302900350b036855

  • SHA256

    d5a6c33ad798f13bfa90944b6b0a6452d166e170be8b94dbfa29b6ab636b36f9

  • SHA512

    030e2c8456b72c98f3ee4e792924a5233f076ea46d15527e54f6cacef4035df9168ccd17782f29d857317333104693a5b45248609d84e6c51e9bd9380e2d0b33

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYm:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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
  • 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\d5a6c33ad798f13bfa90944b6b0a6452d166e170be8b94dbfa29b6ab636b36f9.exe
    "C:\Users\Admin\AppData\Local\Temp\d5a6c33ad798f13bfa90944b6b0a6452d166e170be8b94dbfa29b6ab636b36f9.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 548
          3⤵
          • Program crash
          PID:1264
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:924
        • 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:1044
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3120
          • 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:4952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VLGJTZD5MqqU.bat" "
            4⤵
              PID:592
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4916
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:4112
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4024
                    • 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:1880
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\598iUaSsX3DT.bat" "
                      6⤵
                        PID:2032
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3460
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:4552
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3228
                              • 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:4824
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 2204
                            6⤵
                            • Program crash
                            PID:1336
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 2248
                        4⤵
                        • Program crash
                        PID:4320
                  • C:\Users\Admin\AppData\Local\Temp\d5a6c33ad798f13bfa90944b6b0a6452d166e170be8b94dbfa29b6ab636b36f9.exe
                    "C:\Users\Admin\AppData\Local\Temp\d5a6c33ad798f13bfa90944b6b0a6452d166e170be8b94dbfa29b6ab636b36f9.exe"
                    2⤵
                      PID:1884
                    • 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⤵
                      • Quasar RAT
                      • Scheduled Task/Job: Scheduled Task
                      PID:3516
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028
                    1⤵
                      PID:1404
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1164
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3208
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4728
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 520
                                3⤵
                                • Program crash
                                PID:948
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4208
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3312
                                • 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:2104
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3208 -ip 3208
                                1⤵
                                  PID:3084
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3120 -ip 3120
                                  1⤵
                                    PID:2260
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4024 -ip 4024
                                    1⤵
                                      PID:3572
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:228
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4988

                                        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\598iUaSsX3DT.bat

                                          Filesize

                                          208B

                                          MD5

                                          2693f901986e14934e9cf894ce16aceb

                                          SHA1

                                          4084ee66995b1e3c155e77c854d400e64efc9db5

                                          SHA256

                                          f525f769176d57719d754bcb66c8b3e51da5e08abfbdc70f853fd0677ce8c9cf

                                          SHA512

                                          84b2e95b49a47de8d5abf6acaba62eb8354004fe79c07ea03f29415be9b7c1578564c2210b95ed8247eedebe1413bd148647635e206ed3cfca05dca6c7329ed0

                                        • C:\Users\Admin\AppData\Local\Temp\VLGJTZD5MqqU.bat

                                          Filesize

                                          208B

                                          MD5

                                          dc28e2cef9a231cdf1ceb86f2893c342

                                          SHA1

                                          fa39b2d2daa2d634a5196d1df7eadd96fd37e892

                                          SHA256

                                          44f202e4059ae490089a9a2e549b0348fdc18f0842c9a85ddaadba4278da3e5b

                                          SHA512

                                          bf0ffe229f983467be3e937b9e01d75fd7f2d1b2d6210b19e579b707e1adf26812296fe76e09ec2ba44829ad134a0a46f78ec6b3ae8250ab75989c2d3fc402c4

                                        • 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\07-06-2024

                                          Filesize

                                          224B

                                          MD5

                                          4d643a0d330733dd72bb718cf4a3f28c

                                          SHA1

                                          796262722ab7cef117a0c19424161f97e70caaf1

                                          SHA256

                                          cbc8142305f6d41d2ccdf63e23f4e86a9b99d6da5652360f1925eba05cbf4429

                                          SHA512

                                          37c3bbade513deadcb89a52326b3018334cdde13b103866c573e06cf06045ae21a362356ff51e221514f23d1f2a37cddabe1d8d43b6458d5bd4692a05f3aa328

                                        • C:\Users\Admin\AppData\Roaming\Logs\07-06-2024

                                          Filesize

                                          224B

                                          MD5

                                          83834ea86ec0cfaa8919617ff4ae38c7

                                          SHA1

                                          07fd86f38fa665204a9062b12e9b4397ff39c591

                                          SHA256

                                          af43d51a783bbf1fb553fcc164132389bfebb6e4e77573616e9c074a78d117bf

                                          SHA512

                                          7ab95e6de4689fd3d5e6a4fc1bf0f3a69ce8d3fac28fd759e040e55fce39b679454e65436f9074fc041df7e92ce1b41ffe97ccc11df0158af3b72d075a9417b5

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          fd91df541126950accfe69755e90b098

                                          SHA1

                                          056add8fa80801c1b489fd6131a18b59d5100342

                                          SHA256

                                          f6da7f9019c13ebb0c597c2b19024ea63ec166f13ad20ea92b8adc0cd9bbe463

                                          SHA512

                                          35b776ca333f04edff399f9ee8f168cfd44ef957cdff97a30f30004115964b57df28caf350aac62ea6ec314cb574fb800b17b62a3a5b88d99ce2aa8efbef21bb

                                        • memory/924-34-0x00000000053C0000-0x0000000005426000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/924-35-0x00000000060D0000-0x00000000060E2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/924-36-0x0000000006610000-0x000000000664C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/924-33-0x0000000005450000-0x00000000054E2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/924-32-0x0000000005A00000-0x0000000005FA4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/924-31-0x0000000000930000-0x000000000098E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/1884-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1884-18-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2212-73-0x00000000040B0000-0x00000000040B1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2212-26-0x00000000040B0000-0x00000000040B1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3120-44-0x0000000006630000-0x000000000663A000-memory.dmp

                                          Filesize

                                          40KB