Analysis

  • max time kernel
    4s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 06:18

General

  • Target

    7d6885fdbb53283fc21ffcc10eface6cd0f1b6d2f0e424804ffb6f6853f1293bN.exe

  • Size

    2.0MB

  • MD5

    2077e5b0b2351600c5032a69d6eb5e00

  • SHA1

    7133fec9b7363782c98f5f01a2f62dceeb7aef30

  • SHA256

    7d6885fdbb53283fc21ffcc10eface6cd0f1b6d2f0e424804ffb6f6853f1293b

  • SHA512

    49e47e1fedf7d3ad95ae3b7a0fb0c50b06a392a566871851d7a7d041a45e9db59880f82d23aada88a0a2be1e3e3bbe1bdaba586cdcc497a6fb88353f6a5b879a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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 5 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).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d6885fdbb53283fc21ffcc10eface6cd0f1b6d2f0e424804ffb6f6853f1293bN.exe
    "C:\Users\Admin\AppData\Local\Temp\7d6885fdbb53283fc21ffcc10eface6cd0f1b6d2f0e424804ffb6f6853f1293bN.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:2336
    • 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:2316
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2292
    • 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:2496
      • 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:2900
      • 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
        PID:1404
        • 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:1996
    • C:\Users\Admin\AppData\Local\Temp\7d6885fdbb53283fc21ffcc10eface6cd0f1b6d2f0e424804ffb6f6853f1293bN.exe
      "C:\Users\Admin\AppData\Local\Temp\7d6885fdbb53283fc21ffcc10eface6cd0f1b6d2f0e424804ffb6f6853f1293bN.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2864
    • 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:2808
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9F8CDE02-1559-4B5A-B43E-6163E4BED16C} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
    1⤵
      PID:2940
      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        2⤵
          PID:2968
          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
            3⤵
              PID:1360
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k
                4⤵
                  PID:1664
              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                3⤵
                  PID:2568
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                  3⤵
                    PID:1312
                  • 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:912

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\GKE0W6FN.txt

                Filesize

                211B

                MD5

                d84baf016e8083a9632f77e75d966fa6

                SHA1

                a360dfa38d071f1560a23b28ca7b9cdec7df7504

                SHA256

                4bda393b4cedc09c10125cb715fb40bf130d5344be0c3f02cfc10224d982bbb9

                SHA512

                9d876eb50dec6460bc4dcbfa88e3384d43ede6d4d0c78875453c994edfbd8dd5ffcef73b066f2ff11a90d55892fd93b24d5072a29bf7c27f6fec93accdd39aac

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

                Filesize

                2.0MB

                MD5

                a65aa91325499377a7c5bf0d92801b04

                SHA1

                74dbbc2be0f39f75479695b336144d9bdc36643e

                SHA256

                56a6722576aa45a18d062c7f0eb2cc649fbf0d942fe3c4fae61826f556606570

                SHA512

                2fb5e168691d50a6f8b486bd3cc2b9ff9db917d8dd8277284aa4de24c724aa517ae19bd72169e7121bb4982b75d01575359bc988161c7193ae3f91e28e0b0062

              • \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/1312-108-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/1404-62-0x0000000000BB0000-0x0000000000C0E000-memory.dmp

                Filesize

                376KB

              • memory/1664-117-0x0000000000290000-0x000000000032C000-memory.dmp

                Filesize

                624KB

              • memory/1664-111-0x0000000000290000-0x000000000032C000-memory.dmp

                Filesize

                624KB

              • memory/1664-102-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp

                Filesize

                4KB

              • memory/2292-47-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/2292-50-0x00000000002A0000-0x000000000033C000-memory.dmp

                Filesize

                624KB

              • memory/2292-54-0x00000000002A0000-0x000000000033C000-memory.dmp

                Filesize

                624KB

              • memory/2292-49-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

                Filesize

                4KB

              • memory/2336-30-0x0000000000C20000-0x0000000000C21000-memory.dmp

                Filesize

                4KB

              • memory/2496-46-0x0000000000260000-0x00000000002BE000-memory.dmp

                Filesize

                376KB

              • memory/2568-99-0x0000000001380000-0x00000000013DE000-memory.dmp

                Filesize

                376KB

              • memory/2864-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2864-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB