Analysis

  • max time kernel
    5s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 02:59

General

  • Target

    14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe

  • Size

    2.0MB

  • MD5

    8de04844f9165b9be51e8a9e1ff03940

  • SHA1

    bc175188740ce04a7170684d6d87e4725675a58f

  • SHA256

    14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258

  • SHA512

    418a63d406ab626306f2c29d96ff9829d241868878fe012583410d6d730d7b4168a938c497939df87b0032d4199873282cee1c34a0015ff601db2527dc606bfa

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

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\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe
    "C:\Users\Admin\AppData\Local\Temp\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.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:4756
    • 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:4348
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 548
          3⤵
          • Program crash
          PID:3824
      • 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:3760
        • 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:2564
        • 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:2936
          • 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:2044
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\y5PazYyBvCFD.bat" "
            4⤵
              PID:1928
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4032
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4132
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:628
                    • 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:3172
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\I9yWTs0pjEYw.bat" "
                      6⤵
                        PID:2552
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2836
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:848
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3804
                              • 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:676
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 2196
                            6⤵
                            • Program crash
                            PID:788
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 2252
                        4⤵
                        • Program crash
                        PID:4180
                  • C:\Users\Admin\AppData\Local\Temp\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe
                    "C:\Users\Admin\AppData\Local\Temp\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4448
                  • 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:3684
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4348 -ip 4348
                  1⤵
                    PID:784
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2936 -ip 2936
                    1⤵
                      PID:3656
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3500
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3196
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4348
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 520
                                3⤵
                                • Program crash
                                PID:4572
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1984
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:5076
                                • 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:1660
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3196 -ip 3196
                                1⤵
                                  PID:2372
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 628 -ip 628
                                  1⤵
                                    PID:1536
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3484
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4856
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:4540

                                        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\I9yWTs0pjEYw.bat

                                          Filesize

                                          208B

                                          MD5

                                          8c44e8adf6a9f8db8b682a2ed96d4517

                                          SHA1

                                          a4e2c7b12aaeb1c691c9e41b7436f0a33800fb37

                                          SHA256

                                          6cdf0aa02d462bd26125054899fb64b3a99c3d9def8b6e72784941ca37be58df

                                          SHA512

                                          ad2d1f7a3e89a2c08a51301023e13a2f6885e74f36b5db9131e91b4d42a12b7f9db9e1427ac3616e74d9eb914294d7fb960cfedbf46ab847fdab75cc45a97052

                                        • 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\y5PazYyBvCFD.bat

                                          Filesize

                                          208B

                                          MD5

                                          4ae28e60b6434e4906f71999fe1bc767

                                          SHA1

                                          284f251f29c83aef8e9fdda3f874cb49fba9f46b

                                          SHA256

                                          34dfc16066cb71b077dddde0bee37a22e763b1102090364ab2d669cf494233b9

                                          SHA512

                                          20df1ac66cf88abc2f2984afde40320b1c48b0d8136836f4b0ed106cefa3a499b5b3512644de184d0be7569f69f523ca2241a53f5f6bfc89e0f255bc00907a0a

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-19-2024

                                          Filesize

                                          224B

                                          MD5

                                          ca7a4bab8d203cc9202d7df1db53ddb2

                                          SHA1

                                          4ba7dd9743003dc21f3f7cba38f0de0344933467

                                          SHA256

                                          e5db6e1d625d527caedd5a83eaad44b42e6e8e8564cd23006116e40301adae15

                                          SHA512

                                          9b5db7d898cfeac3e21bc589a72f6d160f7ce101f28747fda9a05474786e4817457b0c69db33b605a4d420e1229f55cfd51500e6338201c1750c904e554e2b40

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-19-2024

                                          Filesize

                                          224B

                                          MD5

                                          5e7f10495ea0531bd66f17bd044d6230

                                          SHA1

                                          f8d6a11c29e292e8bfa5ab756ca3db5350ff9662

                                          SHA256

                                          1d6f759e69236822f73d8eda9b81e91823647eb7acc845ce10763c2dc5722f29

                                          SHA512

                                          446d33ddd464d86ce23964ba0b1ad487ee7fd5dbe947250bc38bf077b71cdbb9d83eb3e683d49056f1b49ef844f7051fea6d81ada77b38f09a484d4d7d8affd5

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          bcc0bd5bde511bb46b735bb84229ac2c

                                          SHA1

                                          f33dbecf012988903b8147d75ae783894d8ec952

                                          SHA256

                                          c845ccb4b2e0d57314ee05befed406d460a20e18d12582e2361b6e159e426dd5

                                          SHA512

                                          797dc44e47ea747a65b2a30fadda6e927fdb80661c357ee193e836fb1180836f00b5b7589615b3bda5e9ddbe77c3109e0f744cd532300f9062236ba5de2164e1

                                        • memory/2936-44-0x0000000005F10000-0x0000000005F1A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/3760-34-0x0000000004AA0000-0x0000000004B06000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/3760-36-0x0000000005CA0000-0x0000000005CDC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/3760-35-0x0000000005760000-0x0000000005772000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3760-33-0x0000000004B40000-0x0000000004BD2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/3760-32-0x0000000004FB0000-0x0000000005554000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/3760-31-0x0000000000130000-0x000000000018E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/4448-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4448-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4756-18-0x0000000003E40000-0x0000000003E41000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5076-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB