Analysis

  • max time kernel
    5s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 19:32

General

  • Target

    11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7.exe

  • Size

    2.0MB

  • MD5

    897667b966e5e7c5e213872eb13e8d48

  • SHA1

    db5bfa59b09da7c53ec134c556cbd192e29d8d0c

  • SHA256

    11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7

  • SHA512

    db547167129a70bfdc249efab3084057ae6222e5206729e35ff287ecadde1933ac6a496b55662c1f519799147598d26d6dd6c97aadf12d4d7dac05ef61bea7e7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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 6 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\11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7.exe
    "C:\Users\Admin\AppData\Local\Temp\11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7.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:4156
    • 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:2076
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 540
          3⤵
          • Program crash
          PID:2492
      • 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:4164
        • 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:2820
        • 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:3588
          • 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:4032
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NW9vsXkGJSbf.bat" "
            4⤵
              PID:4132
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4080
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4172
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4880
                    • 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:4324
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iMRgiEr1kRoH.bat" "
                      6⤵
                        PID:4760
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3524
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2188
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:456
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:1140
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 2272
                            6⤵
                            • Program crash
                            PID:4836
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 1776
                        4⤵
                        • Program crash
                        PID:2388
                  • C:\Users\Admin\AppData\Local\Temp\11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7.exe
                    "C:\Users\Admin\AppData\Local\Temp\11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2480
                  • 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:1816
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2076 -ip 2076
                  1⤵
                    PID:2856
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4920
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2068
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2620
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 524
                              3⤵
                              • Program crash
                              PID:3500
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4840
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3752
                              • 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:4836
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2068 -ip 2068
                              1⤵
                                PID:3716
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3588 -ip 3588
                                1⤵
                                  PID:2000
                                • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
                                  C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
                                  1⤵
                                    PID:2820
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4880 -ip 4880
                                    1⤵
                                      PID:556
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2856
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:1988

                                        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\NW9vsXkGJSbf.bat

                                          Filesize

                                          208B

                                          MD5

                                          cd088d15466ff225a064d17e26dba84e

                                          SHA1

                                          39240800daed97c4351a3a4953c4ebfefc4f3500

                                          SHA256

                                          c8a39306fd5c8e8572e477f5ce452f8fbb2a850e3353743a022ee0666cf13b48

                                          SHA512

                                          3aae75e7852c2cb23fc6a90ece3a0f4363e80beccbac4dbf2532ff5d6d0b28fec7164cbbecc62d66dbdd4fc59c8311f624ccd0f6971d8d74ea3adf1c3c39bb8b

                                        • C:\Users\Admin\AppData\Local\Temp\iMRgiEr1kRoH.bat

                                          Filesize

                                          208B

                                          MD5

                                          9a412fbef630932bc2e2975beafbba0c

                                          SHA1

                                          7b02bc1ebf80258b55ab93e719b50fe757b6ed6a

                                          SHA256

                                          1191ece61ce8832124e84f9da0842a41700489b976119782ef644928aa6dfbac

                                          SHA512

                                          c9ef05a73897c82fc877d618a5a5b8456a320b92b560bab66d51612790c376256cecf01ceb8c945999a2c901169358bfd716cc0644a4d769eb0fb6f30ecaec26

                                        • 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\08-24-2024

                                          Filesize

                                          224B

                                          MD5

                                          61b1822d1a32414272c979acd60b4ad0

                                          SHA1

                                          b99476f40ff94d8ba42d0aa46b98f5783c68b6ec

                                          SHA256

                                          a181fc10a2024cfdec871d96a5135973da67b6e05314890c18a5b6e3b958c0e9

                                          SHA512

                                          d5ca75a256f8bd7784c032a87befeeb550967c65490700e226f7bb11ef729655cad4e49f939182c0084dfcde5f7f97104f5c9a1af003b5dd2abf9a85e6def30c

                                        • C:\Users\Admin\AppData\Roaming\Logs\08-24-2024

                                          Filesize

                                          224B

                                          MD5

                                          14a914aa3cbd9235a126c7b5d9192e0c

                                          SHA1

                                          640e9cba066e85c887d892a3cc4ed7162669e092

                                          SHA256

                                          4c7bfa8a885ed58cbe0739b549b36befe34318a46e659c61b6fdcbe6a14bad32

                                          SHA512

                                          09b1e66ff8fec2da263d3b63b40c1de8f60e8f8a30b64676cfcd17c007059b12e785d92b5144b4885be9ebc3a2b58e028d28dcf312879b3dfc43f2a3401fea0d

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          d6bc8d46c217be204d93db893f0409e8

                                          SHA1

                                          69d5842c6b0650c0f04470405f7240075495ca77

                                          SHA256

                                          77ee119ab2e955f50ce07aed07a966505cc86ae3080810901ca1ec28c9c4b475

                                          SHA512

                                          5674e3bcecd9c4f9ce04d5b502c10ef582543887b4ab208f2b8fd43ce767644005e04b86f6e9200102c706a3aac3c55f979f50ed3cc46d2c2ea4634869f5382e

                                        • memory/2480-28-0x0000000000E90000-0x0000000000EB0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2480-21-0x0000000000E90000-0x0000000000EB0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3588-45-0x00000000062C0000-0x00000000062CA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/3752-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3752-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4156-19-0x00000000045A0000-0x00000000045A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4164-29-0x000000007395E000-0x000000007395F000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4164-37-0x0000000006BB0000-0x0000000006BEC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/4164-36-0x0000000005FC0000-0x0000000005FD2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4164-35-0x0000000005A50000-0x0000000005AB6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/4164-34-0x0000000005950000-0x00000000059E2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4164-33-0x0000000006000000-0x00000000065A4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/4164-30-0x0000000000EF0000-0x0000000000F4E000-memory.dmp

                                          Filesize

                                          376KB