Analysis

  • max time kernel
    5s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 15:40

General

  • Target

    50c508d50db81bbadf81c8814677175e23f52af0909fcfe86314ef4d2af49fc8N.exe

  • Size

    2.0MB

  • MD5

    4d8b10ef0eb60aeed95f2a66203b8640

  • SHA1

    ac9731b2985648a5c057deff03b48f88f26bef9a

  • SHA256

    50c508d50db81bbadf81c8814677175e23f52af0909fcfe86314ef4d2af49fc8

  • SHA512

    cc2a51fb6e78ef96f65542fc8d47e0efb9e36d2db40c66d5c90165162ba1af3918c076cce2278998ccc407d19ca1ec5d368dd60ed07aad069d58b3db36a51652

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY4:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y2

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\50c508d50db81bbadf81c8814677175e23f52af0909fcfe86314ef4d2af49fc8N.exe
    "C:\Users\Admin\AppData\Local\Temp\50c508d50db81bbadf81c8814677175e23f52af0909fcfe86314ef4d2af49fc8N.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:4824
    • 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:4192
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 560
          3⤵
          • Program crash
          PID:4600
      • 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:1116
        • 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:4152
        • 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:1704
          • 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:944
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\88qkFFtnQqfo.bat" "
            4⤵
              PID:2560
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4376
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3228
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1036
                    • 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:4132
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TAUue7kzKnzr.bat" "
                      6⤵
                        PID:3556
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3892
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2636
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2412
                              • 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:3956
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 1968
                            6⤵
                            • Program crash
                            PID:3856
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 2260
                        4⤵
                        • Program crash
                        PID:2936
                  • C:\Users\Admin\AppData\Local\Temp\50c508d50db81bbadf81c8814677175e23f52af0909fcfe86314ef4d2af49fc8N.exe
                    "C:\Users\Admin\AppData\Local\Temp\50c508d50db81bbadf81c8814677175e23f52af0909fcfe86314ef4d2af49fc8N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2372
                  • 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:3180
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4192 -ip 4192
                  1⤵
                    PID:2836
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1704 -ip 1704
                    1⤵
                      PID:920
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1728
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:64
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2516
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 520
                                3⤵
                                • Program crash
                                PID:772
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2264
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3612
                                • 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:2088
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 64 -ip 64
                                1⤵
                                  PID:3264
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1036 -ip 1036
                                  1⤵
                                    PID:4520
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4168

                                    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\88qkFFtnQqfo.bat

                                      Filesize

                                      208B

                                      MD5

                                      b37ccb20a12d4cb5ac949d69e1589e4a

                                      SHA1

                                      d690592f2a284f933d6978e30a7d31b14b0a60a4

                                      SHA256

                                      f7c5aeda45e5e8d6a6355bc47f0210627ceacf0d96afff7c229b0be1c824c09b

                                      SHA512

                                      c421be3c416f594c5f65fce6158ef94a800f164102b36dc847937f5dac6276ae3a4ca425a80482b8bb107e6c6bc313c50715fcf7753906a29fc0ad0457451304

                                    • C:\Users\Admin\AppData\Local\Temp\TAUue7kzKnzr.bat

                                      Filesize

                                      208B

                                      MD5

                                      3820a72cce2cbd512c716d84dab59880

                                      SHA1

                                      6a53b9be9c0a3a9739d94998a55854b6674d0c84

                                      SHA256

                                      c78cc130e4f8b2d5e69e16af416f12a56df12827ddddd0567749037d4c0ef1d3

                                      SHA512

                                      a8098cd303a32041526145733a067a4642cd992a386108cf2e53e6da02ce6f07de9b8b7c81763f4f43944e620bb532ac726459f27e3e1853cf479a82d6c6a847

                                    • 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\01-07-2025

                                      Filesize

                                      224B

                                      MD5

                                      6c53cae89f95a1c8bea66b4970c1163d

                                      SHA1

                                      e77df808b492899551357dea04c115a852d34d1f

                                      SHA256

                                      b16650e08d16e335183d49d06974dc9caa151d835d4c49b50cbf2909e98d75a4

                                      SHA512

                                      d8d6da2e5b10247e9a92ff19276400e2b6e9ad9278e8deca0f4c013132b0ae2957635444bc2dec2b7344f8bc65333113ca19d46cf5096bb4cb8d77f7ee2e59f4

                                    • C:\Users\Admin\AppData\Roaming\Logs\01-07-2025

                                      Filesize

                                      224B

                                      MD5

                                      b5e93e52e230d4dff33d1c3e3f279ca4

                                      SHA1

                                      25c139932677b0e13a688dd65bbab9f3e965a907

                                      SHA256

                                      ba1a1b14cd1fda7608b2c871a678e9e0afc1dd1a271beae5eb266f7e73b6ad3f

                                      SHA512

                                      ae12a4d20b0245581d5a7c5a7997aadcb04e0bd99f9255167cb802851ceb420fdf36b9a25ba856bac47b2177625fef1bbff8deae899b8bbd99b84d7511b0cd4a

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      ae2926ba4d4080333fd37127ceef5ee7

                                      SHA1

                                      1f36b4b34c5c0c1c74e0efe9e70d1e54acb6f4c1

                                      SHA256

                                      ad3e151926511bf5d8afb6ac7a5f6a7e9a1ddcaa6ba8efcd7bf04a46df175dcc

                                      SHA512

                                      9b0c5a9dbf5f6124e06f8fe5a94e374f582ed1e283a0958321435d8cbfe96c39998cfef53dfe9e0bd67f675b6bcb41f99ce9c72f6d9c23c275c5525b94343505

                                    • memory/1116-30-0x0000000000670000-0x00000000006CE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1116-35-0x00000000050A0000-0x0000000005106000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1116-36-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1116-37-0x00000000061E0000-0x000000000621C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1116-34-0x0000000004FA0000-0x0000000005032000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1116-33-0x0000000005490000-0x0000000005A34000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1116-29-0x000000007373E000-0x000000007373F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1704-45-0x0000000006720000-0x000000000672A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2372-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2372-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4824-19-0x0000000004000000-0x0000000004001000-memory.dmp

                                      Filesize

                                      4KB