Analysis

  • max time kernel
    5s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 23:28

General

  • Target

    734c7593a538aa386294cfecb7b48383cda1c23e70a6f9a7ca3b8cf9cd608b91.exe

  • Size

    2.0MB

  • MD5

    fd0150444305cf73be1d4a26423a91b3

  • SHA1

    df5387bd566a5d4621704de953d59803e7ed1e52

  • SHA256

    734c7593a538aa386294cfecb7b48383cda1c23e70a6f9a7ca3b8cf9cd608b91

  • SHA512

    6101b9caa87f2da53f02e6ddd1a624150efb39a7b64f8d8d401ecb8e705e8677a9b71be3ea9b0c9f3259b1489070ed601e23002526e890b6a344c045afb92b4f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY8:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

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

    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 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\734c7593a538aa386294cfecb7b48383cda1c23e70a6f9a7ca3b8cf9cd608b91.exe
    "C:\Users\Admin\AppData\Local\Temp\734c7593a538aa386294cfecb7b48383cda1c23e70a6f9a7ca3b8cf9cd608b91.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:4680
    • 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:2840
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 548
          3⤵
          • Program crash
          PID:3804
      • 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:692
        • 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:1976
        • 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:3328
          • 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:2328
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\c6JnSt5gRTDJ.bat" "
            4⤵
              PID:3488
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4388
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4916
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3252
                    • 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:1728
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZTgKiExIGcjX.bat" "
                      6⤵
                        PID:1664
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3104
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2392
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 2204
                          6⤵
                          • Program crash
                          PID:4384
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 2224
                      4⤵
                      • Program crash
                      PID:544
                • C:\Users\Admin\AppData\Local\Temp\734c7593a538aa386294cfecb7b48383cda1c23e70a6f9a7ca3b8cf9cd608b91.exe
                  "C:\Users\Admin\AppData\Local\Temp\734c7593a538aa386294cfecb7b48383cda1c23e70a6f9a7ca3b8cf9cd608b91.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2892
                • 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:4316
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2840 -ip 2840
                1⤵
                  PID:3252
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3328 -ip 3328
                  1⤵
                    PID:2996
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3652
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1872
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2448
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 520
                              3⤵
                              • Program crash
                              PID:4700
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4920
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:552
                              • 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:316
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1872 -ip 1872
                              1⤵
                                PID:1996
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3252 -ip 3252
                                1⤵
                                  PID:4648
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4596
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1508

                                    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\ZTgKiExIGcjX.bat

                                      Filesize

                                      208B

                                      MD5

                                      e25f6d7fd318f3c16b9f95f5d1b5c05b

                                      SHA1

                                      ce1d811bbf2ca53e9ee4ec8a06f08eddeb42b18d

                                      SHA256

                                      791bd803fe2f0f3a6c651a489de30c2c02d4dbd87856a77222e3725b3e46ca09

                                      SHA512

                                      961cf437d950726a87ed7aa42b3e4cc83cca83e326308583830ff9c84a294e89e4ae7c05bd7fec3d083d441fa15aa1c59dde2e0ecc2537c2a26980463540664f

                                    • C:\Users\Admin\AppData\Local\Temp\c6JnSt5gRTDJ.bat

                                      Filesize

                                      208B

                                      MD5

                                      b8fef5c5a23a0bc751669565d3ac741a

                                      SHA1

                                      fb8f6d6be88f7f0e0ff06675ac079e11f66974dd

                                      SHA256

                                      3cbaaef9c12a3c952502ac453830ec100e5d236ebb646f338b528cefa7b917c4

                                      SHA512

                                      235bea60b993e9e3e0bb9bb66ea2a9d47810efc13299f261ef215b382a47ca0b86cb93cde59b07fcdcacfb81579be50cfc64ed906e75821d29d9bb8ed232100c

                                    • 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\11-12-2024

                                      Filesize

                                      224B

                                      MD5

                                      acff8938458e27b4ac8f872ba12ecf81

                                      SHA1

                                      964dba0d5f34476d0093dd4850292414152b36fa

                                      SHA256

                                      05982751afa5bbb2bc8c34b010c4614275196089361b4faa31247c98c6608774

                                      SHA512

                                      ec61e375ea69519d9d1f6d5fbe79971c251a359f3dae8e512f00c41ae758972510c60deb69afd8a21c23113efa416d4c5a2d3e418a31768375b1a5ccdee58033

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      dc948c5de34e1c8b16af0acefe8988f7

                                      SHA1

                                      895692c6c35387f3ac592c29d3255bc2e1213617

                                      SHA256

                                      7b504fd4f28b4b25b20d24fbe99af67b44c127d9e1840fa8e953d140daf3f57c

                                      SHA512

                                      042467b5589f5d4677020d46ffaef44db285a0f350ab70523c34f977d21ca1ee4f2577617a77024b26a730b47df7f59541341bb115a4668dd568772708a6d0ae

                                    • memory/552-80-0x0000000000C70000-0x0000000000C90000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/552-74-0x0000000000C70000-0x0000000000C90000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/692-29-0x000000007324E000-0x000000007324F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/692-36-0x0000000005BB0000-0x0000000005BC2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/692-37-0x00000000060F0000-0x000000000612C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/692-35-0x0000000004FA0000-0x0000000005006000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/692-34-0x0000000004F00000-0x0000000004F92000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/692-33-0x00000000053D0000-0x0000000005974000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/692-32-0x0000000000580000-0x00000000005DE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/2892-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2892-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3328-45-0x00000000060A0000-0x00000000060AA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4680-19-0x0000000004230000-0x0000000004231000-memory.dmp

                                      Filesize

                                      4KB