Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 23:32

General

  • Target

    4894a7217a48af78f542b1467274a4bfd86e26087c29c8aafae187f7117e3a30N.exe

  • Size

    2.0MB

  • MD5

    659b3944c3151002d36a5768503b9820

  • SHA1

    d726092553820326f513eb4a5d0af35590d9c1d0

  • SHA256

    4894a7217a48af78f542b1467274a4bfd86e26087c29c8aafae187f7117e3a30

  • SHA512

    9595905bc3e4e7c703056f57ecf2a955b327dc4faf0e96c80f2212375aacf51c45d482e811619459c8d7f2a2260097d5a4dd82c7cb1665abe78962285f90c5ac

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4894a7217a48af78f542b1467274a4bfd86e26087c29c8aafae187f7117e3a30N.exe
    "C:\Users\Admin\AppData\Local\Temp\4894a7217a48af78f542b1467274a4bfd86e26087c29c8aafae187f7117e3a30N.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 564
          3⤵
          • Program crash
          PID:4512
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:612
        • 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:1952
        • 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:2860
          • 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:4104
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\82uPmDeKn9JQ.bat" "
            4⤵
              PID:1676
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1512
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4428
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3336
                    • 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:1112
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 2288
                  4⤵
                  • Program crash
                  PID:2852
            • C:\Users\Admin\AppData\Local\Temp\4894a7217a48af78f542b1467274a4bfd86e26087c29c8aafae187f7117e3a30N.exe
              "C:\Users\Admin\AppData\Local\Temp\4894a7217a48af78f542b1467274a4bfd86e26087c29c8aafae187f7117e3a30N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:1136
            • 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:2708
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 672 -ip 672
            1⤵
              PID:1772
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2860 -ip 2860
              1⤵
                PID:4180
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4232
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:4056
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:3964
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 528
                          3⤵
                          • Program crash
                          PID:1840
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:3316
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:3108
                          • 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⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:3408
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4056 -ip 4056
                          1⤵
                            PID:3868
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:3620
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:3164

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                Filesize

                                1KB

                                MD5

                                10eab9c2684febb5327b6976f2047587

                                SHA1

                                a12ed54146a7f5c4c580416aecb899549712449e

                                SHA256

                                f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                SHA512

                                7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                              • C:\Users\Admin\AppData\Local\Temp\82uPmDeKn9JQ.bat

                                Filesize

                                208B

                                MD5

                                9d2581dee98ca1e9f6872c51fe384f06

                                SHA1

                                b7446f60430b5e0435607adb870a1e26df71ad19

                                SHA256

                                a6423320be8f0a080354fead38429393c406441dc1ec3080cd9f1cf6896c77a3

                                SHA512

                                dbee218b4475c05de37ec5dc39c9efd34849cf91bafdc289a005ef31b92bff94048a4e92c377080ad16c9494fe2e2478bb90567d4dedd66c1abc602ff564c46d

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

                                Filesize

                                405KB

                                MD5

                                b8ba87ee4c3fc085a2fed0d839aadce1

                                SHA1

                                b3a2e3256406330e8b1779199bb2b9865122d766

                                SHA256

                                4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                SHA512

                                7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Roaming\Logs\12-05-2024

                                Filesize

                                224B

                                MD5

                                e89c8e5cf11ef57c5bbfab005ab4fcb6

                                SHA1

                                1d575ed46c7c7d2bde0dec4ef9060b6b218fb9bc

                                SHA256

                                c7f21fc07a11a1d8a4e209d9b9b1da2da4ab84e663a6179d0314428caadb44ed

                                SHA512

                                59f743984d98f9b174374352e10c05a41a56b00af9caada4e75b9b4fab4aa1f74ada9315327a7b00a793ba7076c6a0b04a7c5ba1a4e1284d9c21b67682f3e7d1

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

                                Filesize

                                2.0MB

                                MD5

                                ab9df3c9decaf8758f53510f97eccd51

                                SHA1

                                5a2989abdba024543fc521aa20e5309f411ca222

                                SHA256

                                71587fe2470e17171aebdef26d4f1354ae565e5104358ea1020e8ac5cf4f6d0d

                                SHA512

                                9170b9cf642e0ddc1326275630072470271cfa20c57fbb1fd62ead11305ca231c1a3964327f2b3781215def1fd246a06031345c6cbc3a3229b69d4da16fed57c

                              • memory/612-35-0x0000000005030000-0x0000000005096000-memory.dmp

                                Filesize

                                408KB

                              • memory/612-33-0x0000000005670000-0x0000000005C14000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/612-34-0x00000000050C0000-0x0000000005152000-memory.dmp

                                Filesize

                                584KB

                              • memory/612-30-0x0000000000720000-0x000000000077E000-memory.dmp

                                Filesize

                                376KB

                              • memory/612-36-0x0000000005D60000-0x0000000005D72000-memory.dmp

                                Filesize

                                72KB

                              • memory/612-37-0x00000000062A0000-0x00000000062DC000-memory.dmp

                                Filesize

                                240KB

                              • memory/612-29-0x000000007395E000-0x000000007395F000-memory.dmp

                                Filesize

                                4KB

                              • memory/1136-20-0x00000000014A0000-0x00000000014C0000-memory.dmp

                                Filesize

                                128KB

                              • memory/1136-28-0x00000000014A0000-0x00000000014C0000-memory.dmp

                                Filesize

                                128KB

                              • memory/2860-45-0x0000000006490000-0x000000000649A000-memory.dmp

                                Filesize

                                40KB

                              • memory/3108-74-0x0000000000D40000-0x0000000000D60000-memory.dmp

                                Filesize

                                128KB

                              • memory/3108-80-0x0000000000D40000-0x0000000000D60000-memory.dmp

                                Filesize

                                128KB

                              • memory/4400-19-0x0000000003930000-0x0000000003931000-memory.dmp

                                Filesize

                                4KB