Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 16:30

General

  • Target

    85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe

  • Size

    2.0MB

  • MD5

    9ff73b062ef5bc52aec22b0a5a3e9730

  • SHA1

    e97be214cb409b407ebfdc7fb62546c29e4ae613

  • SHA256

    85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661a

  • SHA512

    49dd216f74ba798c75c54d783170c94265b5a2397d12a76adfca6076c61bea4162ed48f5e7269aa8230bbdedaa9f34e120e16aba9ba5ea740532d60f4376dacd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV: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 7 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\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe
    "C:\Users\Admin\AppData\Local\Temp\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.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:2392
    • 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:456
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 552
          3⤵
          • Program crash
          PID:1632
      • 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:4100
        • 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:2692
        • 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:1992
          • 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:3832
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YrBHyUTaUOMd.bat" "
            4⤵
              PID:2552
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3712
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1940
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4420
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 1980
                  4⤵
                  • Program crash
                  PID:3812
            • C:\Users\Admin\AppData\Local\Temp\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe
              "C:\Users\Admin\AppData\Local\Temp\85dedf4fec05bd9f3fa202bad4f63ace3244fec311c38039fb282debf1cf661aN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:404
            • 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:2228
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 456 -ip 456
            1⤵
              PID:4968
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:616
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:516
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:908
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 516 -s 520
                        3⤵
                        • Program crash
                        PID:396
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:4356
                        • 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⤵
                          • Scheduled Task/Job: Scheduled Task
                          PID:452
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:4960
                            • 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⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:348
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LMtnSyzf4qJO.bat" "
                              4⤵
                                PID:2248
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:1532
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:2568
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:2584
                                      • 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:2440
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 2272
                                    4⤵
                                    • Program crash
                                    PID:1304
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:624
                                • 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:4292
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 516 -ip 516
                                1⤵
                                  PID:2128
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1992 -ip 1992
                                  1⤵
                                    PID:2400
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4960 -ip 4960
                                    1⤵
                                      PID:4428
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2228
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:2320

                                        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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                          Filesize

                                          701B

                                          MD5

                                          5de8527438c860bfa3140dc420a03e52

                                          SHA1

                                          235af682986b3292f20d8d71a8671353f5d6e16d

                                          SHA256

                                          d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                          SHA512

                                          77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                        • C:\Users\Admin\AppData\Local\Temp\LMtnSyzf4qJO.bat

                                          Filesize

                                          208B

                                          MD5

                                          3d62997f2664d32866d857e762ad1f57

                                          SHA1

                                          062249c5b24e8cc4096c4c1a340b4de350119e8d

                                          SHA256

                                          29786c6ff4fa78a25661750a9cc0f163a1b455de199529e8adadc9c64c8a04bb

                                          SHA512

                                          1e896456691588fe750ba5daed810e414cc49c51a53ff2bf7550ca8d7e7e4008b39f9d279cb293ac3910fdb45a6f889b001dc09845081700391a04dcb45f82f9

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

                                          Filesize

                                          208B

                                          MD5

                                          3c9a248d3bd57a70fe4a9d9044f1bdf0

                                          SHA1

                                          90453383be9199ded5419d01652e20c59a38258d

                                          SHA256

                                          2c9a4dbe8e644579e6dc7770656a040484437ae854214d1b8f706c744d840793

                                          SHA512

                                          a5c1bc40041ce941bf197a43108ec78fc12230a0786453918feb2d18d4a652d92735468f2b2956a82640ea62a4fa47487bb46df7328cbd64ed5b6ed996d7cee9

                                        • 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\12-11-2024

                                          Filesize

                                          224B

                                          MD5

                                          270a64d4ab43c0d668dbee2e152d9252

                                          SHA1

                                          d60f125a57d066d4927b6205a8383973637ec2cd

                                          SHA256

                                          09187b9969fc49333bbd4c458d8f3c7ff386868cc5a468dd70b5e2062b51514e

                                          SHA512

                                          33fcbaca91759588b6806080551b3e17f3579e028aea18392a5e5255281439eae5defcda9eccc0040bea6c4da7f3741a0d79f4106a7732bea8060012b6985d23

                                        • C:\Users\Admin\AppData\Roaming\Logs\12-11-2024

                                          Filesize

                                          224B

                                          MD5

                                          1067c3eaa6c4aae770121292065e495b

                                          SHA1

                                          094efc07402bdab08f7fc03d40e741ddbd9abe4d

                                          SHA256

                                          a82275bb0ab10b819ec6d767a48f6c8fe8d0770a0f0d2207eda21563d2709e8f

                                          SHA512

                                          611313c0050f2236498633cd541852e3cac314618852d58cbb60cc2d6b92cc2f926020448fcf0ef38545a5bc1a2ca06686d88d4b7ec94881e35f452603207d4d

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          b9202fab10ce889c9be2e5a7bfffbc0c

                                          SHA1

                                          bb438de33755497b140fd88b9ac3c3a9a2fe9260

                                          SHA256

                                          ef3c384698f0721486a7cc1f4a224b1d31cca9c6dac9fc9dab9aa82d47d1b658

                                          SHA512

                                          09e43227619ee74181213457d9b479779c3e49d6bc51abfd6a1c26854db5be9afb9dfd8f82fae03dd8e55437acb7e51ea70e98b2760ad769bf8edf04407e21f5

                                        • memory/404-20-0x00000000008B0000-0x00000000008D0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/404-28-0x00000000008B0000-0x00000000008D0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/624-72-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/624-66-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1992-44-0x00000000060D0000-0x00000000060DA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2392-18-0x0000000000F70000-0x0000000000F71000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2584-96-0x00000000778A0000-0x00000000778A6000-memory.dmp

                                          Filesize

                                          24KB

                                        • memory/2584-95-0x0000000076590000-0x0000000076617000-memory.dmp

                                          Filesize

                                          540KB

                                        • memory/2584-97-0x00000000701E0000-0x00000000702C3000-memory.dmp

                                          Filesize

                                          908KB

                                        • memory/4100-34-0x0000000003330000-0x0000000003396000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/4100-33-0x00000000056F0000-0x0000000005782000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4100-35-0x0000000006390000-0x00000000063A2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4100-32-0x0000000005CA0000-0x0000000006244000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/4100-31-0x0000000000D40000-0x0000000000D9E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/4100-36-0x00000000068D0000-0x000000000690C000-memory.dmp

                                          Filesize

                                          240KB