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Analysis

  • max time kernel
    4s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe
    "C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2696
    • 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
      PID:2884
      • 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⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1412
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:1728
          • 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:3036
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\z94dqzSPZCRi.bat" "
            4⤵
              PID:2480
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2088
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1732
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:976
                    • 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:884
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 1508
                  4⤵
                  • Program crash
                  PID:2428
            • C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe
              "C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2840
            • 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:1972
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {DCA41D97-65D9-405B-AF23-47E4CD195FF9} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:2272
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1624
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1560
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:2348
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1632
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:1508

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\z94dqzSPZCRi.bat

                        Filesize

                        208B

                        MD5

                        c01082def2c3580221a8e5ad04f6148d

                        SHA1

                        6eef74be4e6cc02288adbfc67b3de406da641d15

                        SHA256

                        41638d2e0738ca8edffa4f0576c720f02378290e8cae8abe827e6b31dbb73750

                        SHA512

                        80d7595c83f2f52a917a373aa29553ae153f35a0b269034fd66a0cf3a4f2f981f9a50a4f08f9ef61ba307f9031d26e990cf49a81cabcff8a3d02ac764439b09f

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

                        Filesize

                        224B

                        MD5

                        e95f47fd54c1b7a389f8bc9f7b2829eb

                        SHA1

                        bb9221e83e231958f098750a8286c6e23c7f9555

                        SHA256

                        183f86f72f6608e461051761eb8a02da8bed4bebdcb453e1392285ed22c6906a

                        SHA512

                        00bc7d0cb321543885ae1ad1d30d94cc0a7cee3175353d099b259e55715a72603a1399033340b713154ca0ae6edca6693fe8c01fe62ade581a5ebf27e0488dd0

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

                        Filesize

                        2.0MB

                        MD5

                        2fea0fa9c1fe93bec5457c1abcadd1db

                        SHA1

                        81744935fffec4ec629f2816c6284c5b32284bfc

                        SHA256

                        e64005fc41bdbddf6f21efc9e52717e5515d9ad90b9b94acd5c574f26fa539af

                        SHA512

                        0444a820e61c5fa6d494b5a901950d9a7abcdbaa63a4bf9a2524aee389fb6b7daea58cea74a82c663d286b836860b0329f00ad1be1bfb341866dc7bf0b97ddd3

                      • \Users\Admin\AppData\Local\Temp\vnc.exe

                        Filesize

                        405KB

                        MD5

                        b8ba87ee4c3fc085a2fed0d839aadce1

                        SHA1

                        b3a2e3256406330e8b1779199bb2b9865122d766

                        SHA256

                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                        SHA512

                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                      • \Users\Admin\AppData\Local\Temp\windef.exe

                        Filesize

                        349KB

                        MD5

                        b4a202e03d4135484d0e730173abcc72

                        SHA1

                        01b30014545ea526c15a60931d676f9392ea0c70

                        SHA256

                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                        SHA512

                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                      • memory/976-81-0x00000000010B0000-0x000000000110E000-memory.dmp

                        Filesize

                        376KB

                      • memory/1508-119-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/1632-133-0x0000000000CF0000-0x0000000000D4E000-memory.dmp

                        Filesize

                        376KB

                      • memory/1680-30-0x0000000000D90000-0x0000000000D91000-memory.dmp

                        Filesize

                        4KB

                      • memory/1728-64-0x0000000000C40000-0x0000000000C9E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2348-125-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                        Filesize

                        4KB

                      • memory/2348-126-0x0000000000170000-0x000000000020C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2348-132-0x0000000000170000-0x000000000020C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2696-54-0x0000000000470000-0x000000000050C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2696-46-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/2696-49-0x0000000000470000-0x000000000050C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2696-48-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                        Filesize

                        4KB

                      • memory/2840-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2840-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2840-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2840-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2884-53-0x00000000012D0000-0x000000000132E000-memory.dmp

                        Filesize

                        376KB