Analysis

  • max time kernel
    5s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 05:42

General

  • Target

    03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N.exe

  • Size

    2.0MB

  • MD5

    71b4a7ae4afdf05f84d1a730f1e8a8d0

  • SHA1

    2632bdc9fd13003825b6fb9622f8e886c3c9ea9d

  • SHA256

    03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90

  • SHA512

    c3d4860cd005b572486a5b51f30f9ba86de10361703c23e07872a0d3537324977978dc94a52b15d99a1ca99a0c712317ff53190977972ac00d0f58406454d60b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

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

    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 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 5 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\03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N.exe
    "C:\Users\Admin\AppData\Local\Temp\03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N.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:408
    • 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:5060
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 564
          3⤵
          • Program crash
          PID:8
      • 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:4920
        • 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:1952
        • 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:5056
          • 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:2752
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yiya8VpsceO6.bat" "
            4⤵
              PID:3628
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:5080
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4492
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3484
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 2280
                  4⤵
                  • Program crash
                  PID:1552
            • C:\Users\Admin\AppData\Local\Temp\03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N.exe
              "C:\Users\Admin\AppData\Local\Temp\03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:996
            • 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:3032
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5060 -ip 5060
            1⤵
              PID:908
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5056 -ip 5056
              1⤵
                PID:4396
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3844
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:2428
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:1440
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 520
                          3⤵
                          • Program crash
                          PID:4552
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:2736
                          • 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:2968
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:4580
                              • 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:3604
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\w3r4F2LfLgfM.bat" "
                                4⤵
                                  PID:3996
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:3712
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:4672
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:536
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 736
                                          6⤵
                                          • Program crash
                                          PID:1396
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 2256
                                      4⤵
                                      • Program crash
                                      PID:2536
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:2940
                                  • 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:4828
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2428 -ip 2428
                                  1⤵
                                    PID:3556
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4580 -ip 4580
                                    1⤵
                                      PID:376
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 536 -ip 536
                                      1⤵
                                        PID:4088
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:4004
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:4432
                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                            1⤵
                                              PID:3660
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:4428
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:788
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:2888
                                                  • C:\Windows\system32\sihost.exe
                                                    sihost.exe
                                                    1⤵
                                                      PID:3532
                                                    • C:\Windows\system32\sihost.exe
                                                      sihost.exe
                                                      1⤵
                                                        PID:4992
                                                      • C:\Windows\system32\sihost.exe
                                                        sihost.exe
                                                        1⤵
                                                          PID:3936
                                                        • C:\Windows\system32\sihost.exe
                                                          sihost.exe
                                                          1⤵
                                                            PID:1944
                                                          • C:\Windows\system32\sihost.exe
                                                            sihost.exe
                                                            1⤵
                                                              PID:3668
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:376

                                                              Network

                                                              MITRE ATT&CK Enterprise v15

                                                              Replay Monitor

                                                              Loading Replay Monitor...

                                                              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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                                                Filesize

                                                                701B

                                                                MD5

                                                                5de8527438c860bfa3140dc420a03e52

                                                                SHA1

                                                                235af682986b3292f20d8d71a8671353f5d6e16d

                                                                SHA256

                                                                d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                                                SHA512

                                                                77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

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

                                                                Filesize

                                                                405KB

                                                                MD5

                                                                b8ba87ee4c3fc085a2fed0d839aadce1

                                                                SHA1

                                                                b3a2e3256406330e8b1779199bb2b9865122d766

                                                                SHA256

                                                                4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                                                SHA512

                                                                7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                                              • C:\Users\Admin\AppData\Local\Temp\w3r4F2LfLgfM.bat

                                                                Filesize

                                                                208B

                                                                MD5

                                                                36ddf9355aafff31552dcc96c8132379

                                                                SHA1

                                                                4ac6aedf42d8afa476044676cfad6fe6e78f53e0

                                                                SHA256

                                                                17b6f499c58003e381d078a0eb1eb740812fca9fc3621fa4398ba0bbde12c75b

                                                                SHA512

                                                                8de5881f8298c26e844c6643cf0cf9f732271e896b21c256a1c241a6df030c7c40fe8ad66c2db74fc15f0abfadf1b9ecc7d30fff241b40f457d55a0678061200

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

                                                                Filesize

                                                                349KB

                                                                MD5

                                                                b4a202e03d4135484d0e730173abcc72

                                                                SHA1

                                                                01b30014545ea526c15a60931d676f9392ea0c70

                                                                SHA256

                                                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                                                SHA512

                                                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                                              • C:\Users\Admin\AppData\Local\Temp\yiya8VpsceO6.bat

                                                                Filesize

                                                                208B

                                                                MD5

                                                                813beb90960b9d906a021b0696ef4e14

                                                                SHA1

                                                                6293d3d702ca108bf2b1028635e94eafd512989c

                                                                SHA256

                                                                cbc395da2b8a54dab336d5ce2a4ba5daedec387e1d171f14d0c2e3653cb20df0

                                                                SHA512

                                                                d8840e98ff24c72e9bb9ac6ccfef936455c85aee9fdac418be20428735117b2f6b1791790874529482dae12cc4d8dbe84418ec080823bf837d3fb4b0dc122fec

                                                              • C:\Users\Admin\AppData\Roaming\Logs\09-22-2024

                                                                Filesize

                                                                224B

                                                                MD5

                                                                6bf35d4db72f3d7a086816b171cb8806

                                                                SHA1

                                                                2b6ac6bef808650052a21c7b61dbab010b1c127f

                                                                SHA256

                                                                fcc1194fc6e49b561b2a66fc929a5149001c2811046aa91ade1b2e609e7a5777

                                                                SHA512

                                                                f46cdb20851080269e56c0042734f505d8e526ab6b375e7f0f372d903ed4b761f958656e68feecdde52ea6da0626dec82eb08dc8afa56c5f4417392bed7c5d99

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

                                                                Filesize

                                                                2.0MB

                                                                MD5

                                                                fdf0b2943a2543155486e9ab25194b98

                                                                SHA1

                                                                2d417efd9f210c1cf9a2bc00ae8801d4f1dc3d0d

                                                                SHA256

                                                                67700b36092f0ba1101f1fb0a9e1834ef69a6d51025b1f234f52427ca5e902c8

                                                                SHA512

                                                                3ecf1b2fde7390fbad55d3b1e95d4a1dd009f21ea596beab0d7585f41dc724ff689998e4a5f5a9dabee6c77082df3cc37847d7d49f9b0ef2d40dd1fccbfd3431

                                                              • memory/408-19-0x0000000004630000-0x0000000004631000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/996-28-0x0000000000EC0000-0x0000000000EE0000-memory.dmp

                                                                Filesize

                                                                128KB

                                                              • memory/996-20-0x0000000000EC0000-0x0000000000EE0000-memory.dmp

                                                                Filesize

                                                                128KB

                                                              • memory/2940-77-0x0000000000D00000-0x0000000000D20000-memory.dmp

                                                                Filesize

                                                                128KB

                                                              • memory/2940-71-0x0000000000D00000-0x0000000000D20000-memory.dmp

                                                                Filesize

                                                                128KB

                                                              • memory/4920-29-0x0000000072E5E000-0x0000000072E5F000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/4920-37-0x00000000062B0000-0x00000000062EC000-memory.dmp

                                                                Filesize

                                                                240KB

                                                              • memory/4920-36-0x0000000005D70000-0x0000000005D82000-memory.dmp

                                                                Filesize

                                                                72KB

                                                              • memory/4920-35-0x0000000005130000-0x0000000005196000-memory.dmp

                                                                Filesize

                                                                408KB

                                                              • memory/4920-34-0x0000000005070000-0x0000000005102000-memory.dmp

                                                                Filesize

                                                                584KB

                                                              • memory/4920-33-0x0000000005520000-0x0000000005AC4000-memory.dmp

                                                                Filesize

                                                                5.6MB

                                                              • memory/4920-32-0x0000000000740000-0x000000000079E000-memory.dmp

                                                                Filesize

                                                                376KB

                                                              • memory/5056-45-0x0000000006340000-0x000000000634A000-memory.dmp

                                                                Filesize

                                                                40KB