Analysis

  • max time kernel
    6s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 01:22

General

  • Target

    aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe

  • Size

    2.0MB

  • MD5

    19817ae9895ff03ecea44c7e94f6a899

  • SHA1

    61d3d540221fb6e9c41963067f3f495cdcf7370b

  • SHA256

    aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee

  • SHA512

    2fd239d86e6b21cd8081dfb943337b1e49685ef90abb01e58e9a40523f9db0d6c19e9b33be43208de6f45a7e9522259d3165e429317b9fdbd42cd0e995e1116a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YY

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 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\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe
    "C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.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:3020
    • 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:3612
      • 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 3612 -s 548
          3⤵
          • Program crash
          PID:1964
      • 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:4964
        • 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:3140
        • 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:2332
          • 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:2064
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tibZIPUCvpQu.bat" "
            4⤵
              PID:3296
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1540
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3924
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1492
                    • 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:1496
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\shnDIbV5luSI.bat" "
                      6⤵
                        PID:4440
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4480
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2120
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3900
                              • 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:660
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 2000
                            6⤵
                            • Program crash
                            PID:3452
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 2016
                        4⤵
                        • Program crash
                        PID:4132
                  • C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe
                    "C:\Users\Admin\AppData\Local\Temp\aa3d719f0422f7082031d3191eb50a835ce468b048157ad3629167c7608d8eee.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2912
                  • 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:1560
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3612 -ip 3612
                  1⤵
                    PID:4016
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2332 -ip 2332
                    1⤵
                      PID:3056
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3520
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4836
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2080
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 520
                                3⤵
                                • Program crash
                                PID:2816
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4932
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4516
                                • 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:3848
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4836 -ip 4836
                                1⤵
                                  PID:1416
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1492 -ip 1492
                                  1⤵
                                    PID:4756
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4680
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3060

                                      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\shnDIbV5luSI.bat

                                        Filesize

                                        208B

                                        MD5

                                        4454d5c44de9e29cb1d5f18569c5766d

                                        SHA1

                                        ed0dc1e7525d7e499fdad1e08aba0681e1fa13fa

                                        SHA256

                                        d52bd4a3ce7b4ae88fdd4de4786a5a1357f9d9d90fb37b8b29b03a40876702b2

                                        SHA512

                                        30b60f239c3a821d5cfbfee076db1f7544a5e9879a41fa781930f2ba08c6eff23fb6e77c2e1e3a18251d533b80d306978dcc18d96396fd6440684f367335a7be

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

                                        Filesize

                                        208B

                                        MD5

                                        df249c420824494a78b89f6aed8b4d12

                                        SHA1

                                        771bbab5aea1992e5754689846011ef60aedc276

                                        SHA256

                                        333ddacc3e10078aeb58f22dba924965b143e303e88e94968548c9d30a0d0c56

                                        SHA512

                                        5622807306ae33ed19cdde09d934a1a08708e064bd156f27b733c7cf6c3c98f81e9a69de8d7c51a756fc54244b8ecfbb9dac18c8bed23011fb6334895b800bec

                                      • 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\12-02-2024

                                        Filesize

                                        224B

                                        MD5

                                        e10835b6e607840cf49709aa8fa78ecf

                                        SHA1

                                        402d9b0ca1d495c6540e6e7c91728b9fee7c38cc

                                        SHA256

                                        3abf8c89c3e42d62e96b34c6218280d2dde2dc22aae35acad7ba5a2ab1c694c2

                                        SHA512

                                        47c194dec95ca6c4a9b364843478d4ec4a687fb39ff5c159daf0a3f6c172b135fa1c421dc9ba8f8b1fd66075b37c179084e031b437655c2f6f26c00cd1a1021d

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-02-2024

                                        Filesize

                                        224B

                                        MD5

                                        84c711fefa230bdc3d14529a8d9b81a4

                                        SHA1

                                        b48e895053d8afc49bc5f0dee400c02d2744876a

                                        SHA256

                                        2f5b90b834c9cb67d03d2620549998cd6a866497580221809a404a32c679c1a5

                                        SHA512

                                        29e963c4d7cbd7ac34280f0a1a2286a0710c4f279e05abd58899e9b91827a6a6b8bf5741692257e7e351e63a85bb40d7fe4acd2629544dd3f80d4b13c25b1282

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        48418a9c3a7d6be927b59aa19ddf55f6

                                        SHA1

                                        632159636d2b3d7e82a45ca06c9ba2c8a6465ab2

                                        SHA256

                                        985136432a77aa85c4cc974c737bc06f9f777163f85e298157fa8e1ffea86d09

                                        SHA512

                                        00736e05142ff054e66d3209bda67e1289921e65351eb7b1810fe422bbb4c7b825f169cb048eb6ae0601bdbe1cd0847bc720a84cc86a37ed685ebe1a3653e5bb

                                      • memory/2332-45-0x0000000006190000-0x000000000619A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2912-20-0x0000000000CD0000-0x0000000000CF0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2912-28-0x0000000000CD0000-0x0000000000CF0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3020-19-0x0000000002550000-0x0000000002551000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4516-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4516-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4964-29-0x0000000072CBE000-0x0000000072CBF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4964-37-0x0000000006BA0000-0x0000000006BDC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4964-36-0x0000000006660000-0x0000000006672000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4964-35-0x0000000005A80000-0x0000000005AE6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4964-34-0x00000000059E0000-0x0000000005A72000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4964-33-0x0000000005F90000-0x0000000006534000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4964-30-0x0000000000EE0000-0x0000000000F3E000-memory.dmp

                                        Filesize

                                        376KB