Analysis

  • max time kernel
    4s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2024 10:49

General

  • Target

    46fb4b1b1eda95c0e5bf801cc8680730N.exe

  • Size

    2.0MB

  • MD5

    46fb4b1b1eda95c0e5bf801cc8680730

  • SHA1

    ed32427a2015d3579d78a6de390b6e7037d7cf56

  • SHA256

    d796a0e6930df950eb6e39d0c3befbd2f710bac61670a0fc10124240c0e9a3d2

  • SHA512

    8f4c2c59fe24a05a34d01b426346f51a120d9f1165113c13b88142288a8dc1dbffd3f1663d21221221617f1913d29ec68d3dfdeb3f005929f6516eca99593a29

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

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\46fb4b1b1eda95c0e5bf801cc8680730N.exe
    "C:\Users\Admin\AppData\Local\Temp\46fb4b1b1eda95c0e5bf801cc8680730N.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:4976
    • 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:512
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 548
          3⤵
          • Program crash
          PID:860
      • 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:4820
        • 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:392
        • 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:4812
          • 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:548
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8Jqm5uNnJyYp.bat" "
            4⤵
              PID:4416
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4360
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4348
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3572
                    • 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\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ziLLexGXXOLp.bat" "
                      6⤵
                        PID:1920
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2384
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2464
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3112
                              • 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:4264
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 2200
                            6⤵
                            • Program crash
                            PID:1160
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1968
                        4⤵
                        • Program crash
                        PID:1920
                  • C:\Users\Admin\AppData\Local\Temp\46fb4b1b1eda95c0e5bf801cc8680730N.exe
                    "C:\Users\Admin\AppData\Local\Temp\46fb4b1b1eda95c0e5bf801cc8680730N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1796
                  • 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:2088
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 512 -ip 512
                  1⤵
                    PID:1436
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4812 -ip 4812
                    1⤵
                      PID:4432
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1552
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2784
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2260
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 520
                                3⤵
                                • Program crash
                                PID:2004
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3084
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4456
                                • 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:3604
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2784 -ip 2784
                                1⤵
                                  PID:4532
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3572 -ip 3572
                                  1⤵
                                    PID:4064
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:3236
                                      • C:\Windows\explorer.exe
                                        explorer.exe /LOADSAVEDWINDOWS
                                        2⤵
                                          PID:3540
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:1764
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:1800

                                          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\8Jqm5uNnJyYp.bat

                                            Filesize

                                            208B

                                            MD5

                                            bfd2896a34707210ce0b482e0faa0ac5

                                            SHA1

                                            271ecabc2370f4dfde1fe01b35f07c283016d982

                                            SHA256

                                            8c07595599452a52a06edd34669bef5033704875adb0193defad2597a0dfd9d0

                                            SHA512

                                            4c383498440683032af7d4a41559e063e79737e4bda8b2c54ef0dc7bf7b943e1326d5845e50ba69878e6cc04fd3361e8b57c5412e2d0a2acd2b6ac8c1d46a4a8

                                          • 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\Local\Temp\ziLLexGXXOLp.bat

                                            Filesize

                                            208B

                                            MD5

                                            dba4fe63354b291f5faf98880969aaa3

                                            SHA1

                                            cb9e6e9c40a04e501872afa304c7daeddfaede87

                                            SHA256

                                            23c202c3a332a1af7eb20debde2b7f5a79ada45237c4bc6c79815c0be4575690

                                            SHA512

                                            598856fd365b7cc7a673c14e9b002e5b49a18031f5c24ee1705b1ea11c328eea79819cc44d855b21abbbfb96652a3d2a62f0cd97a5ce8f317bd88de8311bb05f

                                          • C:\Users\Admin\AppData\Roaming\Logs\08-30-2024

                                            Filesize

                                            224B

                                            MD5

                                            fa91c52010ea66afa346bff034740774

                                            SHA1

                                            370abc893d3cbe385fbbc1948712af526cac7805

                                            SHA256

                                            9b6895cb4c7fcfa7fa9db85df40a10192ebde84975611b54a8e759216110c82a

                                            SHA512

                                            3345398954b07f95adf74c6ba820714e6cfae8a40dd034e465b021db32c844fd640c81144c3fd79f2a80996c5a832c9332b13686b447ea77dfb6ce6cfa8d800b

                                          • C:\Users\Admin\AppData\Roaming\Logs\08-30-2024

                                            Filesize

                                            224B

                                            MD5

                                            cec29ea17c72bda6271fd77df5002501

                                            SHA1

                                            f3d7d03ac15b318ae61a20dc4af5acdcad93d8fb

                                            SHA256

                                            37d2accf7f7838ad059eb35d677c13bbc5195e60c515dc8deb9ff9825de655a8

                                            SHA512

                                            7f2a0779a31b4a2741f4bfeff1ae613a201f506d5ca62aacaddce085a3a33915c2ae32eff8a968bc066da6af6d4e0c5bf4947f2fd9d23567b4dde6c252052941

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            1aa8b4736a004cf2679386fbbe674a71

                                            SHA1

                                            f0e9f1f6a04f83e2c5a7180650db3f3bcb88067e

                                            SHA256

                                            479aa9b46700780dacda2681c006e1fe549c62ab77b70223b28406647d59d273

                                            SHA512

                                            5a2fd73d911bb0dab71ca312997383721a06ac3bb3f7bc4be3abf6c143b56f70c23fee47d223ef5db7cd714f43bf29c1e1b9ba73614b5710fb6dca15d6e802e8

                                          • memory/1796-28-0x00000000003D0000-0x00000000003F0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1796-20-0x00000000003D0000-0x00000000003F0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4456-80-0x00000000001D0000-0x00000000001F0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4456-74-0x00000000001D0000-0x00000000001F0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4812-45-0x0000000006350000-0x000000000635A000-memory.dmp

                                            Filesize

                                            40KB

                                          • memory/4820-29-0x0000000072C7E000-0x0000000072C7F000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4820-37-0x00000000068F0000-0x000000000692C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/4820-36-0x0000000005BF0000-0x0000000005C02000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4820-35-0x0000000005690000-0x00000000056F6000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/4820-34-0x0000000005730000-0x00000000057C2000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/4820-33-0x0000000005C40000-0x00000000061E4000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/4820-30-0x0000000000C30000-0x0000000000C8E000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/4976-19-0x0000000004380000-0x0000000004381000-memory.dmp

                                            Filesize

                                            4KB