Analysis

  • max time kernel
    6s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 22:41

General

  • Target

    40e02453c74fbeb3a81cfcd91dc01e98562c23ec9cf8c117b4c3a61460ef58b6.exe

  • Size

    2.0MB

  • MD5

    e5be965643124dc822177e3f07362336

  • SHA1

    ebc5a9e255a01ed9aac6ae7886cbf893d5974e13

  • SHA256

    40e02453c74fbeb3a81cfcd91dc01e98562c23ec9cf8c117b4c3a61460ef58b6

  • SHA512

    2f4242a7317f261fd3e935f23a719c4b71efb73aaa2ba2c6caad478e033a4a7461300fda90e08075930f41b4348afbe8a76e9bf5dfe1e454937a18ed15ed8a95

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYU:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y2

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\40e02453c74fbeb3a81cfcd91dc01e98562c23ec9cf8c117b4c3a61460ef58b6.exe
    "C:\Users\Admin\AppData\Local\Temp\40e02453c74fbeb3a81cfcd91dc01e98562c23ec9cf8c117b4c3a61460ef58b6.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:720
    • 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:2996
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 548
          3⤵
          • Program crash
          PID:4476
      • 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:2400
        • 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:668
        • 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:4948
          • 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:1212
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\W9qYhGvSejEm.bat" "
            4⤵
              PID:4800
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1112
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2156
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1268
                    • 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:4896
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8unBcoynvrc5.bat" "
                      6⤵
                        PID:2636
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3964
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4884
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1316
                              • 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:3532
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 2264
                            6⤵
                            • Program crash
                            PID:1624
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2216
                        4⤵
                        • Program crash
                        PID:4128
                  • C:\Users\Admin\AppData\Local\Temp\40e02453c74fbeb3a81cfcd91dc01e98562c23ec9cf8c117b4c3a61460ef58b6.exe
                    "C:\Users\Admin\AppData\Local\Temp\40e02453c74fbeb3a81cfcd91dc01e98562c23ec9cf8c117b4c3a61460ef58b6.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2024
                  • 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:3516
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2996 -ip 2996
                  1⤵
                    PID:3220
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4948 -ip 4948
                    1⤵
                      PID:1632
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1560
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:668
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3300
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 520
                                3⤵
                                • Program crash
                                PID:640
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2340
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3272
                                • 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:1372
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 668 -ip 668
                                1⤵
                                  PID:4464
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1268 -ip 1268
                                  1⤵
                                    PID:824
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4536
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:100

                                      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\8unBcoynvrc5.bat

                                        Filesize

                                        208B

                                        MD5

                                        520806b3c6745de1079490e759495140

                                        SHA1

                                        ec9536d758c726e22b375e8398eb44b980e77f8c

                                        SHA256

                                        544f3d4438f18fd34663b1e73ef49b8280d9916065ff811bbcd9696ce69bccf3

                                        SHA512

                                        54feea279c9ab703fd06a42b05e31d29281f5966951e5b44ab5db354a6847950531d1faffb8ab12d12ffaf9ff5a9cfab33b32ac513572194d09034dbb4333df3

                                      • C:\Users\Admin\AppData\Local\Temp\W9qYhGvSejEm.bat

                                        Filesize

                                        208B

                                        MD5

                                        f128da4eefef4a991ebe0d6e0fd7d526

                                        SHA1

                                        71d58cc937df20fff73c1a751b29054e4ca3e4a0

                                        SHA256

                                        6333392ebc69f290d243a69150e79ec9d9ad436d6e4523d5935ff4726f045b81

                                        SHA512

                                        e8c7900d0bba03f26b3c1f1044be59f930f6037eefd44af6aa6e53bbd5f12bdc92ec403faa5d9b0004d4584482e49f8e9f354790ad40a3191a1da640861aeb28

                                      • 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\01-12-2025

                                        Filesize

                                        224B

                                        MD5

                                        76f82fe26b4b2f84ed9abb20d790f6aa

                                        SHA1

                                        1eb3a4cc770a1d47e27e774a1ae91ec48ae58f30

                                        SHA256

                                        554706797142ea498ab51cbea3cc4460144393ec14eff3b869c60b7115df89ba

                                        SHA512

                                        e700879335d3afb44b4107db5fcd4d9c7315449578ad5cb3dd3542346aed4f4a55c458af52816b6b328d9f3d96e52c16fef6372ef102436a2c987fd7c281345e

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-12-2025

                                        Filesize

                                        224B

                                        MD5

                                        32afb04ddbc80e7c008a90ff24fcafa0

                                        SHA1

                                        557438585ce87ca7c0cda130d24236c0e44a8038

                                        SHA256

                                        3ff824dbd17d296ffdde29da3b0a57afa8dc6517bf5c0fbba6c1a0650249f783

                                        SHA512

                                        21a076c8be909e5e59ebc166a965b7ac2776413c859a76d8aae70f9f958819b8f9594885aef25fecc1f6ec6b9c21ab8c3c0c698e4a548aaf86f82f32b18f5a83

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        607c0b182f48ae20a4d47eaf6d666e8a

                                        SHA1

                                        d4825996e7fcd7da40f5061a55fed48e968498bd

                                        SHA256

                                        53aff29db0b56f6ca9f02855f8c80fcd71bd5a99a07917eec6284d5f7115ab33

                                        SHA512

                                        1141c4f8a8ed0e16dc0f1f589a3c9af0ec5293652cf7df75409825658fd86724f2c0628b352cc6d940bb028359a083c05906df56e02babd3a27419cfc754f558

                                      • memory/720-18-0x0000000004340000-0x0000000004341000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2024-20-0x0000000001290000-0x00000000012B0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2024-28-0x0000000001290000-0x00000000012B0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2400-31-0x0000000000740000-0x000000000079E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2400-36-0x00000000062C0000-0x00000000062FC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2400-35-0x0000000005D80000-0x0000000005D92000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2400-34-0x0000000005110000-0x0000000005176000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2400-33-0x0000000005070000-0x0000000005102000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2400-32-0x0000000005570000-0x0000000005B14000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3272-79-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3272-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4948-44-0x00000000068B0000-0x00000000068BA000-memory.dmp

                                        Filesize

                                        40KB