Analysis

  • max time kernel
    5s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 23:13

General

  • Target

    68c582be9711e05c5762d2fd7ee069519dc527b104f001c3e6962a9d4003097d.exe

  • Size

    2.0MB

  • MD5

    75112b2659d7629431a18d70f176e3e4

  • SHA1

    60d294759b407f7fad54efc4eb2842cee7eb41c8

  • SHA256

    68c582be9711e05c5762d2fd7ee069519dc527b104f001c3e6962a9d4003097d

  • SHA512

    69510edac33582ead4900ae35994fea55d73def01e9e65b794c96cfc72ad4dcc62f2cac61df9576cfae9e7dee3da8c9884126ccc6eb36d23557f141ad82b03a8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • 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 1 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 4 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 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\68c582be9711e05c5762d2fd7ee069519dc527b104f001c3e6962a9d4003097d.exe
    "C:\Users\Admin\AppData\Local\Temp\68c582be9711e05c5762d2fd7ee069519dc527b104f001c3e6962a9d4003097d.exe"
    1⤵
    • 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:3736
    • 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:4956
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 548
          3⤵
          • Program crash
          PID:1616
      • 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:2672
        • 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:1780
        • 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:2536
          • 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:4384
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\wIucsTGfrfi5.bat" "
            4⤵
              PID:3112
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2116
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2376
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:212
                    • 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:1988
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hZdX9iEjqMN7.bat" "
                      6⤵
                        PID:624
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3640
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2056
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:740
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 2000
                            6⤵
                            • Program crash
                            PID:4248
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 2272
                        4⤵
                        • Program crash
                        PID:2660
                  • C:\Users\Admin\AppData\Local\Temp\68c582be9711e05c5762d2fd7ee069519dc527b104f001c3e6962a9d4003097d.exe
                    "C:\Users\Admin\AppData\Local\Temp\68c582be9711e05c5762d2fd7ee069519dc527b104f001c3e6962a9d4003097d.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4236
                  • 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:224
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4956 -ip 4956
                  1⤵
                    PID:3412
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2536 -ip 2536
                    1⤵
                      PID:912
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3208
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4672
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1180
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 520
                                3⤵
                                • Program crash
                                PID:4540
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2088
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4200
                                • 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:756
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4672 -ip 4672
                                1⤵
                                  PID:4164
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 212 -ip 212
                                  1⤵
                                    PID:2124
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4676
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1652

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      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\hZdX9iEjqMN7.bat

                                        Filesize

                                        208B

                                        MD5

                                        358b989083f7f6eb59b11cdd4ea0582c

                                        SHA1

                                        1fc75760903b9074b448e27219c225585bcc1c0f

                                        SHA256

                                        96c95510afea63860549054471b7c8952719459cfedc2786c455f07cfb47e83c

                                        SHA512

                                        c1ea0e46cc78e99bcbd85852608045303b558e9c0d5a268a47103a162da5042430ad9b9c644da5e460283e3426d9a3169797dc22670eaa44262f9eebf974a21c

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

                                        Filesize

                                        405KB

                                        MD5

                                        b8ba87ee4c3fc085a2fed0d839aadce1

                                        SHA1

                                        b3a2e3256406330e8b1779199bb2b9865122d766

                                        SHA256

                                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                        SHA512

                                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                      • C:\Users\Admin\AppData\Local\Temp\wIucsTGfrfi5.bat

                                        Filesize

                                        208B

                                        MD5

                                        dbac3248f010e6510dbedf769a18436a

                                        SHA1

                                        667148d951a1786c837257723fab74f384945af7

                                        SHA256

                                        0e69e525bafceeb3dd7584a77e1e81d6a255b7bb4015321349535b07f36593cd

                                        SHA512

                                        3cb304e8bd1d6ca10fd0ebe100852d9bb5269a136036c64b7e9d5a61be2dd9b5ade6fbc0918092af66b2e9b0735b6c97f1180e68dcf397c015583d88f1f91474

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

                                        Filesize

                                        349KB

                                        MD5

                                        b4a202e03d4135484d0e730173abcc72

                                        SHA1

                                        01b30014545ea526c15a60931d676f9392ea0c70

                                        SHA256

                                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                        SHA512

                                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-01-2024

                                        Filesize

                                        224B

                                        MD5

                                        7a9352b4713c648900eb4caaa5a9f5fc

                                        SHA1

                                        90549eed7440d94a4c50a280e33305c9cff69899

                                        SHA256

                                        3a791d12833edcfb03d1cca388f6ae9150440759c3b7d3bf3a92bd5ff65dc6d4

                                        SHA512

                                        b31b01f0aec7276d440a534097cf74e2812bc89c97094b592837a09ae3d3b4349586a3ed6bc22bc8f0ddbdfa68d662a4971ee39cdcaf447a6c0b65d3cf21530d

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        c1bbce4d8536383164b267965af5df13

                                        SHA1

                                        645bff567967375f13bd8e4b865a2056b1e66271

                                        SHA256

                                        6fabc5716bcbe8cee30a51c84766ac6a0d55ec4d2947f000e815d578ad09b63d

                                        SHA512

                                        560f87e7c5753891a205dbf0da0682e723b903e00b084fde371430f2be25e3e8b5f24f5e9d61e6c2e815068ee290228f3d751ec04fcf7ae3ba4ff6d58564a4ab

                                      • memory/2536-45-0x0000000006880000-0x000000000688A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2672-29-0x0000000072ECE000-0x0000000072ECF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2672-35-0x0000000005AB0000-0x0000000005B16000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2672-36-0x0000000005EA0000-0x0000000005EB2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2672-37-0x0000000006B90000-0x0000000006BCC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2672-34-0x0000000005A10000-0x0000000005AA2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2672-33-0x0000000005F20000-0x00000000064C4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2672-30-0x0000000000EE0000-0x0000000000F3E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3736-19-0x0000000003E30000-0x0000000003E31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4236-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4236-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB