Analysis

  • max time kernel
    4s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 06:34

General

  • Target

    7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe

  • Size

    2.0MB

  • MD5

    2b28eeea79a33366457f6195d55f21bd

  • SHA1

    d4faa668b62d8c6bf36c7dcd1d24e8cc485c2ba3

  • SHA256

    7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd

  • SHA512

    949e5e1dadf0905b2ad7ff5278fe1797206e799a5018fd027ecb2718a5aa898500dfe143812cbf5078b7d08a06375b8eef70ef90776be352a9101c7eafbb36df

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYa: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 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 8 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe
    "C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.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:2700
    • 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:2740
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2868
    • 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:2788
      • 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:2352
      • 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:780
        • 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:712
    • C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe
      "C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2648
    • 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:2372
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B693A6E6-0978-42EA-8B74-6A68C6B83158} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
      PID:1652
      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        2⤵
          PID:320
          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
            3⤵
              PID:2932
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k
                4⤵
                  PID:2128
              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                3⤵
                  PID:2212
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                  3⤵
                    PID:2180
                  • 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:1840

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\1URPOCSL.txt

                Filesize

                213B

                MD5

                8f354d9606dea37fcde2faf1ef0d76d2

                SHA1

                ed836ab5c3a0af35ebdc85f23dc7664ea7c7fbb8

                SHA256

                5296892ed9166b90283cca144eb34cf239f43876853a5fa762bc2794e787df85

                SHA512

                e222dfb15136f53b3b4b93362bb8c1dd95c375839ed3468eb0653aa3358167ba6b1554e6fd3b662b41c9a63659a2a1952a8880f457e78a6ac869fcda92b8d65a

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

                Filesize

                2.0MB

                MD5

                cab277e2468ea964467bc66f3fc006b7

                SHA1

                3a979879a7a1e45f09e116e4278fcd7e6bac5fc7

                SHA256

                7578397100db85a02e95ed0554282dd3baf33b0524539105a602c10de371e92d

                SHA512

                41271ff691c0c2c2b8299203966cc188ae5c1da9975afd27b3a1503987e3f732a3b7bdcb1526b7b2046618085826ad3c3b0de0b18b2b894847fc58c9b9530c8b

              • \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/780-64-0x0000000000A30000-0x0000000000A8E000-memory.dmp

                Filesize

                376KB

              • memory/2128-116-0x0000000000430000-0x00000000004CC000-memory.dmp

                Filesize

                624KB

              • memory/2128-110-0x0000000000430000-0x00000000004CC000-memory.dmp

                Filesize

                624KB

              • memory/2128-107-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                Filesize

                4KB

              • memory/2180-114-0x0000000000400000-0x0000000000420000-memory.dmp

                Filesize

                128KB

              • memory/2180-99-0x0000000000400000-0x0000000000420000-memory.dmp

                Filesize

                128KB

              • memory/2180-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2212-117-0x0000000001330000-0x000000000138E000-memory.dmp

                Filesize

                376KB

              • memory/2648-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2648-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2648-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2648-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2700-30-0x00000000006B0000-0x00000000006B1000-memory.dmp

                Filesize

                4KB

              • memory/2788-46-0x0000000000C50000-0x0000000000CAE000-memory.dmp

                Filesize

                376KB

              • memory/2868-54-0x0000000000150000-0x00000000001EC000-memory.dmp

                Filesize

                624KB

              • memory/2868-50-0x0000000000150000-0x00000000001EC000-memory.dmp

                Filesize

                624KB

              • memory/2868-47-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/2868-49-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

                Filesize

                4KB