Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 04:19

General

  • Target

    d5f385d60fdc8598718c6f95720c976fc40e2bc7ed0f97d21c4d552c41e9ab2aN.exe

  • Size

    2.0MB

  • MD5

    95a51854665e42c1915edd80505f2e00

  • SHA1

    d1d0ca74cfc754923b58a02d8867c07dad0c0527

  • SHA256

    d5f385d60fdc8598718c6f95720c976fc40e2bc7ed0f97d21c4d552c41e9ab2a

  • SHA512

    0c115d35abe0a4d5940abc3b9d62f2aca4117115353650f5556ae9ae24a40f7942405698354ea8291fe1605214e743e010f8c78f93422e8f27f12d11bdf8139a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yc

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 3 IoCs

    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 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 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\d5f385d60fdc8598718c6f95720c976fc40e2bc7ed0f97d21c4d552c41e9ab2aN.exe
    "C:\Users\Admin\AppData\Local\Temp\d5f385d60fdc8598718c6f95720c976fc40e2bc7ed0f97d21c4d552c41e9ab2aN.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:2320
    • 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:3780
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 552
          3⤵
          • Program crash
          PID:1756
      • 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:2804
        • 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:3268
        • 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:3744
          • 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:3688
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Bm89ynMcMyzL.bat" "
            4⤵
              PID:664
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4516
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2280
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2660
                    • 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:2916
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YrWpFrYZgozx.bat" "
                      6⤵
                        PID:3328
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4000
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2544
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1488
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 2260
                            6⤵
                            • Program crash
                            PID:4568
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 2268
                        4⤵
                        • Program crash
                        PID:4092
                  • C:\Users\Admin\AppData\Local\Temp\d5f385d60fdc8598718c6f95720c976fc40e2bc7ed0f97d21c4d552c41e9ab2aN.exe
                    "C:\Users\Admin\AppData\Local\Temp\d5f385d60fdc8598718c6f95720c976fc40e2bc7ed0f97d21c4d552c41e9ab2aN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3604
                  • 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:972
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3780 -ip 3780
                  1⤵
                    PID:2656
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2628
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1572
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2036
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 520
                              3⤵
                              • Program crash
                              PID:3216
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:5040
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3212
                              • 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:3520
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1572 -ip 1572
                              1⤵
                                PID:2712
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3744 -ip 3744
                                1⤵
                                  PID:3712
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2660 -ip 2660
                                  1⤵
                                    PID:1400
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3704
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3112

                                      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\Bm89ynMcMyzL.bat

                                        Filesize

                                        208B

                                        MD5

                                        06dd32277e93826ccb097433cd988f3e

                                        SHA1

                                        ff350b7617c33e7c8e921309de9bfd963498e0e0

                                        SHA256

                                        d0b26314812b65e034d28eafd058d28e2aa9d18712f39f74a54fc62f09b07618

                                        SHA512

                                        51de44f21f325e97a5854e216a235e11aa37d7dc9d847e459bfe58df6e2f921f3256958b81d4a2415874842ce308fe62c08f0bb26d8de862e3840355c83c4629

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

                                        Filesize

                                        208B

                                        MD5

                                        67ee752ac70808a9002593d9fa663b68

                                        SHA1

                                        fc765d24ca3942169fb6c77ea80b0170b79f13aa

                                        SHA256

                                        3bc852aa8cdfc7af65add96f95e164ce086a467ad29abc6033251523266b6db6

                                        SHA512

                                        526119a6c460075d2a737d923e0513e16bda54d60915d0ff9290342f328e3eb5ecbbb304551509b69b151494fae2bd77b044c8c24e5e902b24a18b056d236cff

                                      • 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\09-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        2869b611528660e234c5471eab79d592

                                        SHA1

                                        aa32338652c39440e7258ce74460dd613faf18ba

                                        SHA256

                                        fb5413f4bcb7e86517e22355516b2349626387a3ce724dcb60176039eda5dd9e

                                        SHA512

                                        aaa3f98557e7a2847e3a5817f7e87d09dc2cfc92c4929935d8efb05a7dd8d436602ddf0df06509a7d2a55efd4800b27fc8385b66736e4e7e8e207db12b65a42a

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        0e8ee3997b262f1fbb844cccb4f30bc7

                                        SHA1

                                        baec8d598c7d0ff9c538f6daafd352f3abd4b06d

                                        SHA256

                                        d736ce639aae5c4884c813c5dd3a73e7b41b86ccac95b20043b216ddcc867176

                                        SHA512

                                        5482c590686deea8d1e1c4cbe56802490b88e0335b44b31ca53890756f601a36da4d5a6014cc187c087b3d98b4bea34c697bb71182ebd3d811ec3c229a2df694

                                      • memory/2320-19-0x00000000037F0000-0x00000000037F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2628-88-0x00000000736C0000-0x00000000736D1000-memory.dmp

                                        Filesize

                                        68KB

                                      • memory/2804-29-0x0000000072E1E000-0x0000000072E1F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2804-30-0x0000000000DB0000-0x0000000000E0E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2804-33-0x0000000005C80000-0x0000000006224000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2804-34-0x0000000005770000-0x0000000005802000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2804-35-0x00000000056D0000-0x0000000005736000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2804-36-0x0000000005C50000-0x0000000005C62000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2804-37-0x0000000006950000-0x000000000698C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3604-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3604-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3744-45-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

                                        Filesize

                                        40KB