Analysis

  • max time kernel
    3s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 16:30

General

  • Target

    85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe

  • Size

    2.0MB

  • MD5

    9ff73b062ef5bc52aec22b0a5a3e9730

  • SHA1

    e97be214cb409b407ebfdc7fb62546c29e4ae613

  • SHA256

    85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661a

  • SHA512

    49dd216f74ba798c75c54d783170c94265b5a2397d12a76adfca6076c61bea4162ed48f5e7269aa8230bbdedaa9f34e120e16aba9ba5ea740532d60f4376dacd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

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 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 1 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 6 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\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe
    "C:\Users\Admin\AppData\Local\Temp\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.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:2380
    • 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:2804
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2980
    • 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:2932
      • 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:2396
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:1484
          • 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:3052
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\al4dbjFHrKIG.bat" "
            4⤵
              PID:1108
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2424
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2272
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2360
                    • 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:2816
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 1516
                  4⤵
                  • Program crash
                  PID:2504
            • C:\Users\Admin\AppData\Local\Temp\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe
              "C:\Users\Admin\AppData\Local\Temp\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2828
            • 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:2976
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {C645DE0B-0CD9-4F24-8D99-4AA627467D75} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:2088
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2212
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:2216
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:1644
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1932
                          • 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
                            4⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:2656
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            4⤵
                              PID:2276
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            3⤵
                              PID:1816
                            • 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
                              3⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:568

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\al4dbjFHrKIG.bat

                          Filesize

                          208B

                          MD5

                          e5b7c9f3262f762de99e30a936768131

                          SHA1

                          0170ad1ae23e994a7a9ca11c2812b83e7dfb02df

                          SHA256

                          59ae4b59b77d90b59fe4aaef7bb501669c1ab475dffe0bcc3bcab2fe3569d77d

                          SHA512

                          83de034de09ee319dc1aff28abbb1c125ef220ac8d89913408139cf7e3a180cfea092c27d584a4aa8a1feecf771746277d824f000aaed44b5c1d08fada28dc52

                        • C:\Users\Admin\AppData\Roaming\Logs\12-12-2024

                          Filesize

                          224B

                          MD5

                          63e461f19507407df9d0a7662bdcebc2

                          SHA1

                          4607c41c591a373fa9e8d0b14e7a5e280b5e6628

                          SHA256

                          8ce18ba3824a2d31c9eb36f38a1ee028ce1c0806762f6a9eea4df8dffbd882f5

                          SHA512

                          f60cfdb21d397831c2799f56802f150cd66c0b65a0224cc070dee7a7b2552ba618c8492511e2ea456125e04cc82e24fc8a7c01cf00a580c56c965b508dd28ea1

                        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\W4G4OB6J.txt

                          Filesize

                          211B

                          MD5

                          48af2171a7b044d003a751581aa40c42

                          SHA1

                          5d50a518e3c04b6923d25a1a045e84b7c2c11b74

                          SHA256

                          01c5599b715fe5589e7076f9ea308ba036c59a1c20cab92866ae8694c9a15737

                          SHA512

                          8e9197a06264f2bdd2eb58af55345fa86c546c59cdc96603b66b011bf2f7c0b28b8005ed116dbdd9be33cc95f228bce4fd9259168f82fba3792b414e45ee5afe

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

                          Filesize

                          2.0MB

                          MD5

                          4bb0678e958d8dccc78af3e4a563cc84

                          SHA1

                          f5425c34478e98b36d4f6938ea3f590a30f55c71

                          SHA256

                          51413461fec45a94b4c06c5bdff3f5e8c63bb6638c5e33338e088a9ae87db57d

                          SHA512

                          c88f36ceb50d03ec82672dc18b95aeaac8255b747bbe6e9496edaa651980d7325dbb415f23213d49adc5132baddb1442501d5ada14be7189a635e8ab13cea4c4

                        • \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/1484-63-0x0000000000AD0000-0x0000000000B2E000-memory.dmp

                          Filesize

                          376KB

                        • memory/1644-103-0x0000000000270000-0x000000000030C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1644-107-0x0000000000270000-0x000000000030C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1644-102-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

                          Filesize

                          4KB

                        • memory/1816-126-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1932-131-0x0000000000920000-0x000000000097E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2360-138-0x0000000000D00000-0x0000000000D5E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2380-65-0x0000000000A00000-0x0000000000A01000-memory.dmp

                          Filesize

                          4KB

                        • memory/2828-42-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2828-30-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2828-32-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2828-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/2932-53-0x00000000000D0000-0x000000000012E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2980-48-0x0000000000270000-0x000000000030C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2980-52-0x0000000000270000-0x000000000030C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2980-45-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/2980-47-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                          Filesize

                          4KB