Analysis

  • max time kernel
    5s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2025 14:50

General

  • Target

    9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe

  • Size

    2.0MB

  • MD5

    3c9eb96b7abe50046c099772cfe34400

  • SHA1

    44b66273c96efaf6160d64b1ee3cfa32ac158566

  • SHA256

    9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92

  • SHA512

    c313d35405e7d31e1158bc16ff5876cffc32de3a7fcf9603f4f71d1455e267d88588bcb77a97217a3931723644bb98e35fc83ba8ef07b8784d059216034c97bc

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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 3 IoCs
  • Loads dropped DLL 9 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 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 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe
    "C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.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:1420
    • 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:2784
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2552
    • 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:2708
      • 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:2832
      • 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:1716
        • 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:1620
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\Aa7hjeXihkkS.bat" "
          4⤵
            PID:1132
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2436
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:1708
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:2444
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1504
                4⤵
                • Program crash
                PID:2100
          • C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe
            "C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2732
          • 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:3004
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {7A698BFF-CB27-4424-BB66-63FE34D29CF6} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
          1⤵
            PID:1264
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              2⤵
                PID:2124
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  3⤵
                    PID:720
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      4⤵
                        PID:912
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 720 -s 160
                        4⤵
                        • Program crash
                        PID:1784
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      3⤵
                        PID:2104
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        3⤵
                          PID:2768
                        • 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:1268

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\Aa7hjeXihkkS.bat

                      Filesize

                      208B

                      MD5

                      3df37029e87d51d0e71001dd5353132d

                      SHA1

                      1ad0381b5ad66dcdbb5598149a3076a48b9398f7

                      SHA256

                      1ddf47d68912f59cc5edf79042816ba0d748278bfcf84bf92c7c86a13c9f335a

                      SHA512

                      ff9a51bbbb57a709c8de5b3ca90f8170571fb4f2b1ff24d687a8d7172f62f07104c68b98346fba651bb60ee5df99e8dcba8a07e84b77b5d4b1b8007f84711607

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

                      Filesize

                      405KB

                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\AFXP9S9N.txt

                      Filesize

                      213B

                      MD5

                      276ae70da522828e72549cb4deb80719

                      SHA1

                      8a2412cba2d57cd10b73ff8a806d6a0f1e897025

                      SHA256

                      53d1a97181ff0208209f71c557f911ceef5f91087be2c5ba2a142bfa539bd7cd

                      SHA512

                      fe520b336374128c0c75bc387104c751578ce5a660a2d7d97b67c45b3be49d2d3e20670768d596969733aa0c3f6d5c9d365acdcc32599ebe7b6fa2b1bc3e4ba3

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

                      Filesize

                      2.0MB

                      MD5

                      13ccb8c70bd72c69ec1e8f2ec6ea4fa1

                      SHA1

                      f4f1b3d943c94a58279a95c6609c27d8f13b2473

                      SHA256

                      88fc21b09fe00e0ce0091021b132748adbe8ad120beb7bed94cac51c540acb9f

                      SHA512

                      be87d79e3fa02fecc25c8a67cee0ac4725ec3fd41fb703c7baf7bfbf1dbfdafa3ef8f9ae3157bf4bec728d8af58ff3a61a596b34748246ee434bc5bcc48224f5

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

                      Filesize

                      349KB

                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • memory/1420-42-0x0000000000700000-0x0000000000701000-memory.dmp

                      Filesize

                      4KB

                    • memory/1420-66-0x0000000000700000-0x0000000000701000-memory.dmp

                      Filesize

                      4KB

                    • memory/1716-64-0x0000000001270000-0x00000000012CE000-memory.dmp

                      Filesize

                      376KB

                    • memory/2104-114-0x0000000000AC0000-0x0000000000B1E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2444-132-0x0000000000110000-0x000000000016E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2552-53-0x0000000000380000-0x000000000041C000-memory.dmp

                      Filesize

                      624KB

                    • memory/2552-49-0x0000000000380000-0x000000000041C000-memory.dmp

                      Filesize

                      624KB

                    • memory/2552-48-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2552-46-0x0000000000020000-0x0000000000021000-memory.dmp

                      Filesize

                      4KB

                    • memory/2708-54-0x0000000000FD0000-0x000000000102E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2732-28-0x00000000000C0000-0x00000000000E0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2732-30-0x00000000000C0000-0x00000000000E0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2732-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2732-41-0x00000000000C0000-0x00000000000E0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2768-120-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2768-123-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2768-127-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB