Analysis

  • max time kernel
    5s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 18:55

General

  • Target

    4dd59d17240ce4ad6781cb96f342f25c661ccbbdf39cccc6daa5f67e6a08ebac.exe

  • Size

    2.0MB

  • MD5

    9f97f80dee03e23355de1b083e900d82

  • SHA1

    6d3b893c2e410bd21b33787a6cb640b14f64391e

  • SHA256

    4dd59d17240ce4ad6781cb96f342f25c661ccbbdf39cccc6daa5f67e6a08ebac

  • SHA512

    71b8e20d28314224dd6d7191f4fd585e52e4bc5500424e7d4f7df360cdd33b2c720e1fd2ea594be6d059476084004aad2ad26f13f700429f7b64cdc787b5b47b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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\4dd59d17240ce4ad6781cb96f342f25c661ccbbdf39cccc6daa5f67e6a08ebac.exe
    "C:\Users\Admin\AppData\Local\Temp\4dd59d17240ce4ad6781cb96f342f25c661ccbbdf39cccc6daa5f67e6a08ebac.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:2480
    • 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:2328
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 548
          3⤵
          • Program crash
          PID:2996
      • 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:2832
        • 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:3276
        • 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:4832
          • 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:3000
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\svR3zNbSSumJ.bat" "
            4⤵
              PID:4824
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4368
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1340
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1968
                    • 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:4476
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\O5fcTnXe5NvE.bat" "
                      6⤵
                        PID:4812
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2740
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2176
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:532
                              • 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:5040
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 2244
                            6⤵
                            • Program crash
                            PID:1156
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 1748
                        4⤵
                        • Program crash
                        PID:1080
                  • C:\Users\Admin\AppData\Local\Temp\4dd59d17240ce4ad6781cb96f342f25c661ccbbdf39cccc6daa5f67e6a08ebac.exe
                    "C:\Users\Admin\AppData\Local\Temp\4dd59d17240ce4ad6781cb96f342f25c661ccbbdf39cccc6daa5f67e6a08ebac.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3468
                  • 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:2944
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 2328
                  1⤵
                    PID:3784
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4832 -ip 4832
                    1⤵
                      PID:2540
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4644
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2996
                            • 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 2996 -s 520
                                3⤵
                                • Program crash
                                PID:4072
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4420
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4588
                                • 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:4820
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2996 -ip 2996
                                1⤵
                                  PID:1668
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1968 -ip 1968
                                  1⤵
                                    PID:1128
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1956
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:756

                                      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\O5fcTnXe5NvE.bat

                                        Filesize

                                        208B

                                        MD5

                                        fa5206951e5d2aeac21284ca2f51b3b3

                                        SHA1

                                        4d23a566d33ce60a524dca490c408e39e8dc9526

                                        SHA256

                                        4204de96894186630a3c94e6363d2e092f66e73875b5e6c4be6f272dbe6d8ef5

                                        SHA512

                                        6f85a84cea415c66aeaf4781e45af0497f355f423333c14d96008a494e85c12a5aae98f54e1bd0541827a91984449cd1401d41ffad95a40125c3ce48cb034a7c

                                      • C:\Users\Admin\AppData\Local\Temp\svR3zNbSSumJ.bat

                                        Filesize

                                        208B

                                        MD5

                                        c4079ea78f24af71e2e193f4c6110aea

                                        SHA1

                                        090a78a02b1d41435670b860beca67e7f7adea1a

                                        SHA256

                                        3a95f608616302e50940e9019f753573533a1b6ecac5b6e156dbc04fa7a55949

                                        SHA512

                                        04213d656fd5a53389942858a8ad929af948f30ae736d81d530f41c4ac6e499e8ccc9ec5fecf5bdecc294e0c5fb9a45277dfb7a2e230e370f2d2bc73ea26ce54

                                      • 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\01-01-2025

                                        Filesize

                                        224B

                                        MD5

                                        fcb8288c8b875b5c92a634ab4aa1297a

                                        SHA1

                                        5edb2af764c42d2e92dcec0c03ef165165f13654

                                        SHA256

                                        1fcbf20d9990153bd5bc4b92558778535f7cf60dc65dcdfe670b7cf7e89f8d61

                                        SHA512

                                        8b6d851bfcf9d72a4b6eec09da1f5a9edf9ca8b27f87cb5b4e9767d28805c83fd0f61375b6368867ceef2f85279ac82181eef695086b6a9a6b44dab451feaaf1

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-01-2025

                                        Filesize

                                        224B

                                        MD5

                                        8a3a335427f847749fa3cf89ccd13196

                                        SHA1

                                        e09d3db272ec5d375e1609f699f5e3f7805c1d1e

                                        SHA256

                                        cebb9053fba81bfc85bfa7c3518d2921331196a4c8cad426afffd5a32e6a6286

                                        SHA512

                                        9030a7024b7292f45e59575e6754f429261abc90648cac43ff49a74c36c38dbb76254349da975a6de803ef97879d137fc2e85367d8eeffb0adda0ea9f0a644dd

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        e8c9e4461cb1dc5f7a0dd6db706ad2ab

                                        SHA1

                                        d35cbfbd8796394d81593c79a2a43456e120a4a2

                                        SHA256

                                        8d32a20218db2d35b375fe7847ec25109ac3d2ffba7569ea52a9ec9a57dd773c

                                        SHA512

                                        7d23f0efcf4990568de7801c175e14c342db201cd69b858d07a1821d8bf52362582c3e0d73aa8188c04d8b3d84f63eddeb7cb35fea836cc8097c99d96b602680

                                      • memory/2480-19-0x0000000003950000-0x0000000003951000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2832-29-0x0000000072D7E000-0x0000000072D7F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2832-36-0x0000000006020000-0x0000000006032000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2832-37-0x0000000006560000-0x000000000659C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2832-35-0x00000000053C0000-0x0000000005426000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2832-34-0x0000000005320000-0x00000000053B2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2832-33-0x00000000057D0000-0x0000000005D74000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2832-32-0x00000000009F0000-0x0000000000A4E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3468-28-0x0000000000470000-0x0000000000490000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3468-20-0x0000000000470000-0x0000000000490000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4588-74-0x00000000000D0000-0x00000000000F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4588-80-0x00000000000D0000-0x00000000000F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4832-45-0x0000000006450000-0x000000000645A000-memory.dmp

                                        Filesize

                                        40KB