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Analysis

  • max time kernel
    5s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:17

General

  • Target

    c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe

  • Size

    2.0MB

  • MD5

    eb37bef34881d2353e4cb76bfefa7d37

  • SHA1

    855dd99b54b63e9372d2d3a2436250d1e1b50739

  • SHA256

    c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6

  • SHA512

    7e487e5d70af4a57051a0bec77812651a299b0de522f704d4b24dd541f34e46f6393deab4ed63e5d80703c4fa73cdd491dac513c4ca2991db23489c7d704e5e8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg: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.

  • 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 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\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe
    "C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.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:3512
    • 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:4624
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 556
          3⤵
          • Program crash
          PID:1916
      • 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:1232
        • 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:3192
        • 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:2712
          • 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:2512
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\z3EiIBW8gctH.bat" "
            4⤵
              PID:2180
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3768
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2840
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4868
                    • 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:3856
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1108
                  4⤵
                  • Program crash
                  PID:4924
            • C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe
              "C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3976
            • 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:4888
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 4624
            1⤵
              PID:4872
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2712 -ip 2712
              1⤵
                PID:3328
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:5052
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:644
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2912
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 528
                          3⤵
                          • Program crash
                          PID:3684
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1164
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:2020
                          • 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:2916
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 644 -ip 644
                          1⤵
                            PID:372
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2404
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:3520

                              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\Local\Temp\z3EiIBW8gctH.bat

                                Filesize

                                208B

                                MD5

                                090bf7001b62f43365df719fd558a242

                                SHA1

                                1c606492169baf083784ba21a43d9fce48ff5dce

                                SHA256

                                5c41677f632ea2832031c96c0e95aac148de35b351ef6d89ab90aede3898b8d8

                                SHA512

                                63e97abbc61aa8f54b3b92137f1d83ba55b85287094303df3db23efe9bfd454668c29519744100ffd7c51faf0658054b63342959c84c0f848c03608afc89c34c

                              • C:\Users\Admin\AppData\Roaming\Logs\03-06-2025

                                Filesize

                                224B

                                MD5

                                bba756fd19d98fba96ecaacb0effa7d5

                                SHA1

                                73b67af29e34e275f6a3d1931cd38a260941a722

                                SHA256

                                3f3b6f17237822ec638d4f12da0fb8c90b8f65c6b0b327feed07e8f3e790656a

                                SHA512

                                cd5996a8bf43d1e859b1f4e430ebdba7ebafe8b35cf5c699efe25c200e88e03a584d49b967c2625882c51981509ee43f686174a033a36d3c63b3c5b86821882f

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

                                Filesize

                                2.0MB

                                MD5

                                2fea0fa9c1fe93bec5457c1abcadd1db

                                SHA1

                                81744935fffec4ec629f2816c6284c5b32284bfc

                                SHA256

                                e64005fc41bdbddf6f21efc9e52717e5515d9ad90b9b94acd5c574f26fa539af

                                SHA512

                                0444a820e61c5fa6d494b5a901950d9a7abcdbaa63a4bf9a2524aee389fb6b7daea58cea74a82c663d286b836860b0329f00ad1be1bfb341866dc7bf0b97ddd3

                              • memory/1232-30-0x00000000003E0000-0x000000000043E000-memory.dmp

                                Filesize

                                376KB

                              • memory/1232-33-0x0000000005330000-0x00000000058D4000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/1232-34-0x0000000004E80000-0x0000000004F12000-memory.dmp

                                Filesize

                                584KB

                              • memory/1232-35-0x0000000004F20000-0x0000000004F86000-memory.dmp

                                Filesize

                                408KB

                              • memory/1232-36-0x0000000005B40000-0x0000000005B52000-memory.dmp

                                Filesize

                                72KB

                              • memory/1232-37-0x0000000006080000-0x00000000060BC000-memory.dmp

                                Filesize

                                240KB

                              • memory/1232-27-0x000000007386E000-0x000000007386F000-memory.dmp

                                Filesize

                                4KB

                              • memory/2712-45-0x0000000006180000-0x000000000618A000-memory.dmp

                                Filesize

                                40KB

                              • memory/3512-19-0x00000000035C0000-0x00000000035C1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3976-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3976-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB