Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 17:39

General

  • Target

    71692605931e2001144dc41cc2891ac074c43f22a198ba91f9e474252feeccac.exe

  • Size

    2.0MB

  • MD5

    a91fe73bba9be62f8a19bb3d94ec740a

  • SHA1

    2cedd27bae40348a531943cf656f59e7aaceae98

  • SHA256

    71692605931e2001144dc41cc2891ac074c43f22a198ba91f9e474252feeccac

  • SHA512

    e644f9cdec5c604c234f89aa7dfdf34573c4fe8eca6db80d51ca6cd8e094a8f6e6cccbae725606fee8012b3c747ff8164f1de93fc79eac7fd8b393739676b22d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71692605931e2001144dc41cc2891ac074c43f22a198ba91f9e474252feeccac.exe
    "C:\Users\Admin\AppData\Local\Temp\71692605931e2001144dc41cc2891ac074c43f22a198ba91f9e474252feeccac.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:1040
    • 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:1936
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 548
          3⤵
          • Program crash
          PID:1576
      • 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:4364
        • 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:3252
        • 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:4324
          • 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:5072
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E1uuwjX3OJtJ.bat" "
            4⤵
              PID:4508
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4468
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2404
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2760
                    • 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:1988
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\siuklqOxkMJw.bat" "
                      6⤵
                        PID:3564
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2220
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3552
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3440
                              • 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:512
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 1968
                            6⤵
                            • Program crash
                            PID:4352
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 2236
                        4⤵
                        • Program crash
                        PID:1864
                  • C:\Users\Admin\AppData\Local\Temp\71692605931e2001144dc41cc2891ac074c43f22a198ba91f9e474252feeccac.exe
                    "C:\Users\Admin\AppData\Local\Temp\71692605931e2001144dc41cc2891ac074c43f22a198ba91f9e474252feeccac.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2308
                  • 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:4904
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1936 -ip 1936
                  1⤵
                    PID:1988
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4324 -ip 4324
                    1⤵
                      PID:2244
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1936
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3600
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2692
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 520
                                3⤵
                                • Program crash
                                PID:3752
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:312
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:428
                                • 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:1468
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3600 -ip 3600
                                1⤵
                                  PID:2400
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2760 -ip 2760
                                  1⤵
                                    PID:3468
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4160

                                    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\E1uuwjX3OJtJ.bat

                                      Filesize

                                      208B

                                      MD5

                                      b1f77dc0379155584975d95058797376

                                      SHA1

                                      6e6ae3be275f18f14e103088bfa26a0febbd6e05

                                      SHA256

                                      b78f34a7f44d85f01d586cb5b7f68435170b226ad2979e41d2ed66a48b76a3ce

                                      SHA512

                                      9181cbb2de817f1904b63c0b174475643d02a71be3694ee02b189b1763e103226ce05f584c6b8b74f1013d668a671938ec5efd82423f7440dfe617b32b537f01

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

                                      Filesize

                                      208B

                                      MD5

                                      7ad20e9a9ab1805bc24aba58ce9f0c81

                                      SHA1

                                      872bc92abb60b070106f9faab74c18334213e5ba

                                      SHA256

                                      1d70b7efbd1228b27e42a2840c455170e6861739c5785f67fd8ccc65e29fe795

                                      SHA512

                                      ebe2011c0859a7c8a7bce42bba773e39245e4150c339663862b6d435ba7ae19697b67855989cf7c30a53942485cbd7d1c313eb3f7bbe2e500989b68ee3090056

                                    • 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\01-08-2025

                                      Filesize

                                      224B

                                      MD5

                                      0106a7954b31f6abfce0f36c1393aba9

                                      SHA1

                                      9029a63541d52e8184e653d3e10bb32c1573a43e

                                      SHA256

                                      748eecc46f4f12bc379a087e43b48cb9319e3801844c744b80d3ef8a682521f3

                                      SHA512

                                      44dee307c9809cffa1abe99bb6abe8aad9170a846a0815f35b8abf058798a0a8f373bd053e771fdfe92e29299500e110b51d36bd8be47161dcbc8379b4923067

                                    • C:\Users\Admin\AppData\Roaming\Logs\01-08-2025

                                      Filesize

                                      224B

                                      MD5

                                      35b12059277db4c0095c3cb62774ede8

                                      SHA1

                                      395ddbb4523362ef91098c0d3adcb9e227f53256

                                      SHA256

                                      7206eab32c534c2d71f88dbcc0d6bcd5239840cf081a5dba2cc509cf2650b788

                                      SHA512

                                      bea67e6bbc953a8db826f22ba38e7ba7da72bda92c2f94e4136a80657aef84848238043d55164e58edc735cf477eabc6902e2d3136dc656218768ec183db11c9

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      b074bbd551eb087e816f02a1d073aa86

                                      SHA1

                                      48506c72375ad7c721d71c7c77bccf13ddd71081

                                      SHA256

                                      91b6759aabc80c21ee8eeede223105960ccb7ce623519c058bd4925426f90658

                                      SHA512

                                      4d6b082cf56a3b4de23d8e3f01c40e32a59d0896ebffaf8426e866c9867818295839cfbc21a5ed0933ca6d29c0924859aa16d76509b6026c09dab868159c687d

                                    • memory/428-73-0x0000000001680000-0x00000000016A0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/428-79-0x0000000001680000-0x00000000016A0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1040-18-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2308-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2308-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4324-44-0x0000000006E00000-0x0000000006E0A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4364-31-0x0000000000480000-0x00000000004DE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4364-36-0x0000000006140000-0x000000000617C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4364-35-0x0000000005350000-0x0000000005362000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4364-34-0x0000000004EE0000-0x0000000004F46000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4364-33-0x0000000004F90000-0x0000000005022000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4364-32-0x0000000005390000-0x0000000005934000-memory.dmp

                                      Filesize

                                      5.6MB