Analysis

  • max time kernel
    5s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2024 12:58

General

  • Target

    HashIs-aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35.exe

  • Size

    2.0MB

  • MD5

    71254d11715816c90a2e6f5b3cd3b020

  • SHA1

    e97d074667058c075210de8cc5e8cec0277f30dc

  • SHA256

    aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35

  • SHA512

    91a9f217b39050b690ca8b299b042348b2327f93f0d03c310ed4b79df3eb3747806dfd8401a16c42bb75490e04cef508474e04509e72c6b3d3b6c6e9ad815ece

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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).

  • Program crash 1 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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HashIs-aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35.exe
    "C:\Users\Admin\AppData\Local\Temp\HashIs-aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35.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:2128
    • 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:3000
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2952
    • 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:1644
      • 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:1676
      • 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:1512
        • 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:2368
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\wnjlZfUOqR1s.bat" "
          4⤵
            PID:2508
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2156
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:992
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:1972
                  • 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:2520
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 1524
                4⤵
                • Program crash
                PID:560
          • C:\Users\Admin\AppData\Local\Temp\HashIs-aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35.exe
            "C:\Users\Admin\AppData\Local\Temp\HashIs-aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2736
          • 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:2748
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {828CA788-3939-4A6C-B7A0-E1C1F361671E} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
          1⤵
            PID:2512
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              2⤵
                PID:1960
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  3⤵
                    PID:296
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      4⤵
                        PID:2940
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      3⤵
                        PID:2704
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        3⤵
                          PID:2308
                        • 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:1196

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\wnjlZfUOqR1s.bat

                      Filesize

                      208B

                      MD5

                      79b410a454f3de79f320b82aa16e5ea2

                      SHA1

                      ba33ce0694e3ecb8c66a890c193ccb242323737f

                      SHA256

                      5293b07ddd4c23742dd7f1e45ff0ec246c91179876b0298013cabe5262b987e8

                      SHA512

                      84d6563b45f65fdfbe7fc0de7ef25f0e6bb9cca4f45d29a0e706bc61f2e4c97df5e71676a011ce14f344df4e913bf244bd0c216e9917a26837c5c7f80a324de5

                    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\BI7YHDRD.txt

                      Filesize

                      213B

                      MD5

                      7b086c4be434593165a8508f96c15ec5

                      SHA1

                      116111bd9af131bcc30698f87517f31fd84cedb0

                      SHA256

                      08df4c8b959167772f5ae9238dcca9ccec2d6dbeaabf77f24c959f264011f16d

                      SHA512

                      828964ded02d5f61a5150e8f00febb9168130f18123d35fc1a1dc18f09f12c61831cfc6c88ba1df72a2288b0f25829137317f87a50bfdfecab3ec6d879418676

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

                      Filesize

                      2.0MB

                      MD5

                      1556771463f5843275fa6923f671303f

                      SHA1

                      c3ff4018166328cf739911a24a92190d4fa27248

                      SHA256

                      225c7b7c0d3f35df892efeadab630a2d965763a1e52c649121b3bba3a9d65230

                      SHA512

                      434f8f4674c34a1fc64eeea39e227676c3353b439c14619b678e3f45f888d833efd64c5fb70dab58e9d6e2778fa2246e74ca86a22e158a08a07ccebfbe0980e3

                    • \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/1512-62-0x0000000000170000-0x00000000001CE000-memory.dmp

                      Filesize

                      376KB

                    • memory/1644-54-0x0000000000070000-0x00000000000CE000-memory.dmp

                      Filesize

                      376KB

                    • memory/1972-137-0x00000000737F0000-0x0000000073EDE000-memory.dmp

                      Filesize

                      6.9MB

                    • memory/2128-29-0x0000000002A10000-0x0000000002A11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2308-109-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2308-102-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2308-105-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2704-99-0x0000000000150000-0x00000000001AE000-memory.dmp

                      Filesize

                      376KB

                    • memory/2736-30-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2736-42-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2736-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2736-32-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2940-113-0x00000000000D0000-0x000000000016C000-memory.dmp

                      Filesize

                      624KB

                    • memory/2940-112-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2940-117-0x00000000000D0000-0x000000000016C000-memory.dmp

                      Filesize

                      624KB

                    • memory/2952-53-0x0000000000360000-0x00000000003FC000-memory.dmp

                      Filesize

                      624KB

                    • memory/2952-46-0x0000000000020000-0x0000000000021000-memory.dmp

                      Filesize

                      4KB

                    • memory/2952-48-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

                      Filesize

                      4KB

                    • memory/2952-49-0x0000000000360000-0x00000000003FC000-memory.dmp

                      Filesize

                      624KB