Analysis

  • max time kernel
    5s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 11:05

General

  • Target

    dttcodexgigas.exe

  • Size

    2.0MB

  • MD5

    d991604d49d42df05201a392c7e4ac21

  • SHA1

    8920176952310dbb18aa21656b4803b7e4042221

  • SHA256

    70aa40cd97d4faca9c2e59ec8146756d6425a42074a1bb7e002e5a69586a5848

  • SHA512

    273b27f97baff7ad7714165a94ee770cd5c3e7a4ba1c5256d82b856d3d7b7748bbe32d0cf408396d68f7d6889d179261cbc975357356720859851695e8c1404c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

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 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 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\dttcodexgigas.exe
    "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.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:3068
    • 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:2744
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3004
    • 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:2728
      • 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:2888
      • 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:1712
        • 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:2124
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\YHFzyaUE8pM3.bat" "
          4⤵
            PID:2872
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2068
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:1044
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:2148
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 1520
                4⤵
                • Program crash
                PID:976
          • C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe
            "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2904
          • 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:2824
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {1DC239E1-6B58-4BAA-ABCD-4A066254E726} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
          1⤵
            PID:2908
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              2⤵
                PID:2964
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  3⤵
                    PID:1440
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      4⤵
                        PID:908
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 160
                        4⤵
                        • Program crash
                        PID:748
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      3⤵
                        PID:740
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        3⤵
                          PID:2244
                        • 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:1272

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\YHFzyaUE8pM3.bat

                      Filesize

                      208B

                      MD5

                      10ce6efccb858fd577e436fe56bb9a6e

                      SHA1

                      3421d748a748af2acb6691ef6b32751aa32443b7

                      SHA256

                      d7dfe80b9a8f407de92678820d93b2273539765f2025b7c3f3814bb9f3cd05c4

                      SHA512

                      dab032ce14e6ecd10d50c53be904e5296afe006a4af11bc44b6b57282e47e6c6656d41ff413403b2593003cc8d758af7daebe4b2b23de188dc7ed6f462b103e7

                    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\ON70KWSV.txt

                      Filesize

                      211B

                      MD5

                      6270e97fe2b2b5c511d16a4b3c3720fc

                      SHA1

                      fe68ad86ad552de82c753f0ae9f4599f0e205da3

                      SHA256

                      7a34fa5001cea7a81ac48dfcfd977ac4489e720b6ff124bca9b62a6c9c02104e

                      SHA512

                      6e06552d4dc0c0dc9e63853041265d989e4ceade8696b0fa6b7c56bd650e6f6328700569f080f451ae7aa67a9082acc9d819f148b9b786320baa2809ef942095

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

                      Filesize

                      2.0MB

                      MD5

                      2ac268cb19239642cd8d4ceacad43fe5

                      SHA1

                      aabfaf3e8c2e82cad6779a5c993f5eb9dbf03280

                      SHA256

                      d002bf1ba985698ae151bc835a0a2512dfe39808b38a42606c6ce679e6794f1a

                      SHA512

                      fb0447c2909ab0438315dc08ff118c933871abd1b100bfa0627ae5f7e932e92aef771b8dd28f46e213fbbd759787f8a69f4b0b4acf24b77d8bd1acb503c50ab5

                    • \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/740-98-0x0000000000340000-0x000000000039E000-memory.dmp

                      Filesize

                      376KB

                    • memory/1712-63-0x0000000001230000-0x000000000128E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2244-104-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2728-45-0x0000000000B60000-0x0000000000BBE000-memory.dmp

                      Filesize

                      376KB

                    • memory/2904-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2904-31-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2904-32-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2904-42-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/3004-53-0x00000000001C0000-0x000000000025C000-memory.dmp

                      Filesize

                      624KB

                    • memory/3004-49-0x00000000001C0000-0x000000000025C000-memory.dmp

                      Filesize

                      624KB

                    • memory/3004-46-0x0000000000020000-0x0000000000021000-memory.dmp

                      Filesize

                      4KB

                    • memory/3004-48-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

                      Filesize

                      4KB

                    • memory/3068-30-0x0000000002B10000-0x0000000002B11000-memory.dmp

                      Filesize

                      4KB