Analysis

  • max time kernel
    3s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 14:56

General

  • Target

    3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N.exe

  • Size

    2.0MB

  • MD5

    45703af5a5e2fbb769a367deb5461940

  • SHA1

    672273ec0100591bc033f1e01f4b69ea9f354ae1

  • SHA256

    3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9

  • SHA512

    ff00570ee73038137fada410fe0726e3d9afb344eefb3180fc17c5b2a1f35c9210b871c03572d12f9b3f8c7b0a75aac86ef6385455ec67b71639c248f38983b5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYi:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 13 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 2 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N.exe
    "C:\Users\Admin\AppData\Local\Temp\3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N.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:2372
    • 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 behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 180
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2804
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2024
        • 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:2692
        • 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:2128
          • 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:2460
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\mT3xKmnrtt8c.bat" "
            4⤵
              PID:648
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1032
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2148
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2960
                    • 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:776
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1468
                  4⤵
                  • Program crash
                  PID:2420
            • C:\Users\Admin\AppData\Local\Temp\3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N.exe
              "C:\Users\Admin\AppData\Local\Temp\3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2204
            • 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:2764
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {6BDEC006-DFA9-4D3E-B3D1-45C53F425907} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
            1⤵
              PID:336
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1144
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1760
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:2560
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1668
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:2924
                          • 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:1136

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\mT3xKmnrtt8c.bat

                        Filesize

                        208B

                        MD5

                        878d2aa27edb7f7c78b2362af5b982b1

                        SHA1

                        f9babe5fe4dab4644a6c56284526cb3505efbf28

                        SHA256

                        091fc1610100a6c46858fb7a12dbc7f9925a0c2b5b559cdf5ef090ca58945bc7

                        SHA512

                        c02be3094252e1314680fc6343910395b844784595e65c666c8d75b2b8ad6b1c7e5dfb19a4ebd1ca91fca170f44c7f180c501b222a55aa65bcdb737e555639bc

                      • 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\10-02-2024

                        Filesize

                        224B

                        MD5

                        ca8fdaeb00d0c528a9de781ba592255b

                        SHA1

                        455271d2a79ef30992a57d4bca3ce361bf6d4d18

                        SHA256

                        0a506d09df56fd955b6a010447f018eacf2e7e2876ce78b1c5674f6a578e15e2

                        SHA512

                        acea6fa2776a4de9bfbcf6124057b237ba741aa020fc99b92552ced1985f5ee07e9f4706b364b038b03865fd1cf6e32b28b03e66a22991aca65d8117694ff260

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\QXEB4HXZ.txt

                        Filesize

                        211B

                        MD5

                        4447aa53f20650dc0b25160ca7c5f49f

                        SHA1

                        fded9b482a3ac742bfcd9efc7b4f9e11cf29822e

                        SHA256

                        df88101822277d00b0bc5b9b77a7b28fce681a878543ddc63ffeac9311fa8512

                        SHA512

                        039a5f8f4251eb5c3df743b346d48f07345a979fa31bee24414cb2150bdc92936b9bee957a69ef12cb68b7c0c3a9a72866476fcea6d8d4a1ff7731fc78decfd9

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

                        Filesize

                        2.0MB

                        MD5

                        15f0f72ae59ac4c10398565d6de3be4b

                        SHA1

                        dde4766857cd3bd8db78936be3b19143a19fbe5c

                        SHA256

                        fc4980ff213f226b5b16cb7fdc95452fee29309af7e5c44e5c0d1701a34f353b

                        SHA512

                        ad8a9018ec9d14886f479e4f174402ad6e8c9506725da52145ebea2678320ae69e9157fc3a659ae943f25aabc68c200dba8dcb2467dc46f7cb971725cfbd3b0d

                      • memory/1668-84-0x0000000000110000-0x000000000016E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2024-48-0x00000000011B0000-0x000000000120E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2128-57-0x0000000000EC0000-0x0000000000F1E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2204-29-0x00000000000C0000-0x00000000000E0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2204-31-0x00000000000C0000-0x00000000000E0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2204-37-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2204-42-0x00000000000C0000-0x00000000000E0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2560-98-0x0000000000250000-0x00000000002EC000-memory.dmp

                        Filesize

                        624KB

                      • memory/2560-97-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

                        Filesize

                        4KB

                      • memory/2560-95-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/2560-102-0x0000000000250000-0x00000000002EC000-memory.dmp

                        Filesize

                        624KB

                      • memory/2924-94-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2924-90-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2924-87-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2960-120-0x00000000009C0000-0x0000000000A1E000-memory.dmp

                        Filesize

                        376KB