Analysis

  • max time kernel
    5s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 01:31

General

  • Target

    9b43a67516a18609f4fbfe10d72947c2552f62d03cd924d7d5d51b326c641667.exe

  • Size

    2.0MB

  • MD5

    63b14fc58ac4a9b3b77d8e597960a43e

  • SHA1

    6eca664a69e19fad43eb575f1f1cf31fedabef24

  • SHA256

    9b43a67516a18609f4fbfe10d72947c2552f62d03cd924d7d5d51b326c641667

  • SHA512

    e11484261dbfe916b22718eaddd7228e90a00c695634663b023c225240647f357cb5546f9f7963d8919a78d1f47037dbf63c4220a50d678cf285bd6edfadd9a5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY6:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ

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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 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 WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b43a67516a18609f4fbfe10d72947c2552f62d03cd924d7d5d51b326c641667.exe
    "C:\Users\Admin\AppData\Local\Temp\9b43a67516a18609f4fbfe10d72947c2552f62d03cd924d7d5d51b326c641667.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:2372
    • 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:3948
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 548
          3⤵
          • Program crash
          PID:752
      • 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:2280
        • 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:3816
        • 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
          PID:4892
          • 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:4528
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\oYxT7IwF29rX.bat" "
            4⤵
              PID:3316
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4464
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4376
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1604
                    • 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:4028
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 2284
                  4⤵
                  • Program crash
                  PID:4520
            • C:\Users\Admin\AppData\Local\Temp\9b43a67516a18609f4fbfe10d72947c2552f62d03cd924d7d5d51b326c641667.exe
              "C:\Users\Admin\AppData\Local\Temp\9b43a67516a18609f4fbfe10d72947c2552f62d03cd924d7d5d51b326c641667.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:5064
            • 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:4856
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3948 -ip 3948
            1⤵
              PID:2980
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4892 -ip 4892
              1⤵
                PID:4320
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:2920
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:5044
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2480
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 520
                          3⤵
                          • Program crash
                          PID:3652
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:536
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:4928
                          • 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:3852
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5044 -ip 5044
                          1⤵
                            PID:4588
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:4360
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:1704

                              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\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\08-15-2024

                                Filesize

                                224B

                                MD5

                                bdf14b1173fe904556b006bcefd98b8f

                                SHA1

                                6f1b036ae83b0a10a6fd44c63dd25eedfa86f81c

                                SHA256

                                3ce7128c03ec7a36651b061d0631a01dccd1dfc67448caae4efc287b609966f0

                                SHA512

                                d57bdcc6692366f6933d02e89461a15ad14888fe5a686a158d43845c520a1f27e2b2e6525cc193a49083cb5a906a1fea21658b3b12f482f10d7113f8851908a8

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

                                Filesize

                                2.0MB

                                MD5

                                ce6e6cbd9a742fba32fc5fd0b1451214

                                SHA1

                                84de5531fc26cab641bca6e35a47966a90faeec9

                                SHA256

                                7c951b88b6a9c741e9d4863d808c9e03c4084f5eb58fd1fd620159ef7c21c415

                                SHA512

                                2df32b1076bc5c0cdb2c3ef3c9bc206856557f9997ee316db8a846c4c9ba0aa8fa8d40f43c6e513b0ee9ae5709cb400053ef932bced92a2f2a9d0b82f31494f4

                              • memory/2280-35-0x0000000004AB0000-0x0000000004B16000-memory.dmp

                                Filesize

                                408KB

                              • memory/2280-30-0x0000000000050000-0x00000000000AE000-memory.dmp

                                Filesize

                                376KB

                              • memory/2280-33-0x00000000050E0000-0x0000000005684000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/2280-34-0x0000000004B30000-0x0000000004BC2000-memory.dmp

                                Filesize

                                584KB

                              • memory/2280-29-0x000000007352E000-0x000000007352F000-memory.dmp

                                Filesize

                                4KB

                              • memory/2280-36-0x00000000058C0000-0x00000000058D2000-memory.dmp

                                Filesize

                                72KB

                              • memory/2280-37-0x0000000005E00000-0x0000000005E3C000-memory.dmp

                                Filesize

                                240KB

                              • memory/2372-28-0x00000000043C0000-0x00000000043C1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2372-46-0x00000000043C0000-0x00000000043C1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4892-45-0x0000000006210000-0x000000000621A000-memory.dmp

                                Filesize

                                40KB

                              • memory/4928-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/4928-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/5064-27-0x0000000000190000-0x00000000001B0000-memory.dmp

                                Filesize

                                128KB

                              • memory/5064-19-0x0000000000190000-0x00000000001B0000-memory.dmp

                                Filesize

                                128KB