Analysis

  • max time kernel
    6s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 01:13

General

  • Target

    aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe

  • Size

    2.0MB

  • MD5

    19817ae9895ff03ecea44c7e94f6a899

  • SHA1

    61d3d540221fb6e9c41963067f3f495cdcf7370b

  • SHA256

    aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee

  • SHA512

    2fd239d86e6b21cd8081dfb943337b1e49685ef90abb01e58e9a40523f9db0d6c19e9b33be43208de6f45a7e9522259d3165e429317b9fdbd42cd0e995e1116a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YY

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

    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 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 3 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe
    "C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.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:4532
    • 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:3160
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 548
          3⤵
          • Program crash
          PID:3164
      • 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:1492
        • 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:3768
        • 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:3180
          • 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:2892
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PTD9m5ZpONc0.bat" "
            4⤵
              PID:2316
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2300
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3440
                • 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:4496
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 2220
                  4⤵
                  • Program crash
                  PID:244
            • C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe
              "C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2540
            • 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:4784
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3160 -ip 3160
            1⤵
              PID:4424
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3180 -ip 3180
              1⤵
                PID:4992
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4424
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:2412
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2628
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 520
                          3⤵
                          • Program crash
                          PID:2940
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1132
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:100
                          • 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:3196
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2412 -ip 2412
                          1⤵
                            PID:4524
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:5092
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:3856

                              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\PTD9m5ZpONc0.bat

                                Filesize

                                208B

                                MD5

                                2a2d7291ff225558dfa0d6a27f9a4be0

                                SHA1

                                b3281e7dcfd95dc081d137ee99320f499d76d73d

                                SHA256

                                912c10c6fbf2591c6037840442785d335fb6c703e86d202d9b45862f8a7738c7

                                SHA512

                                43c8b3a1aa1a2e494d92061f83a6c259f257437bf00cba1faebf6947e9215ccb64f1f7f68cdd777599500de19e56f715fd0090c2fe41717bf685eaff69a23444

                              • 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\12-02-2024

                                Filesize

                                224B

                                MD5

                                61eb2d591650f7f632ffa9cafa19d76a

                                SHA1

                                285e92e719839a2c488ebe1dfa57aa800fa63644

                                SHA256

                                65c92120aa3b70f59884bc7e068659a23bca48ec75e1b75d2871fc73b3c07367

                                SHA512

                                83ff3f39f6abeac38cfb04d536d134c7984fd7d9862edc063512964c1af34e7bcc53edfa148ce82eae57e4cde605b7c612baa1b13f4b26723983773a7d5fdd46

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

                                Filesize

                                2.0MB

                                MD5

                                7ad10e68d469b03cb83350b559f42d28

                                SHA1

                                c82b20108ce9f72f1599c4381dec773912123ef4

                                SHA256

                                a361358a132f4aba830b3a9ed92fdbd145fb0e3c538a19f34bb2b81d2898fdd7

                                SHA512

                                c6077db59624947b2b8e2930d335e30a4af5d67945bfbf350efca68dc78310a488352ad9ed4335470a3cf2181eeaac7099bb4702f3dcb0b752c240e67c76f79d

                              • memory/100-80-0x0000000001430000-0x0000000001450000-memory.dmp

                                Filesize

                                128KB

                              • memory/100-74-0x0000000001430000-0x0000000001450000-memory.dmp

                                Filesize

                                128KB

                              • memory/1492-32-0x0000000000BA0000-0x0000000000BFE000-memory.dmp

                                Filesize

                                376KB

                              • memory/1492-35-0x00000000055A0000-0x0000000005606000-memory.dmp

                                Filesize

                                408KB

                              • memory/1492-36-0x0000000005B30000-0x0000000005B42000-memory.dmp

                                Filesize

                                72KB

                              • memory/1492-37-0x0000000006820000-0x000000000685C000-memory.dmp

                                Filesize

                                240KB

                              • memory/1492-34-0x00000000054D0000-0x0000000005562000-memory.dmp

                                Filesize

                                584KB

                              • memory/1492-33-0x0000000005B50000-0x00000000060F4000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/1492-29-0x000000007327E000-0x000000007327F000-memory.dmp

                                Filesize

                                4KB

                              • memory/2540-28-0x0000000000180000-0x00000000001A0000-memory.dmp

                                Filesize

                                128KB

                              • memory/2540-20-0x0000000000180000-0x00000000001A0000-memory.dmp

                                Filesize

                                128KB

                              • memory/3180-45-0x0000000006D20000-0x0000000006D2A000-memory.dmp

                                Filesize

                                40KB

                              • memory/4532-19-0x00000000041F0000-0x00000000041F1000-memory.dmp

                                Filesize

                                4KB