Analysis

  • max time kernel
    4s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 16:45

General

  • Target

    5ac09948fd5c5b956bae13a3f3bdd690N.exe

  • Size

    2.0MB

  • MD5

    5ac09948fd5c5b956bae13a3f3bdd690

  • SHA1

    53086ff08d6a12b48d348af7efd7c05d87ffedfc

  • SHA256

    cbb7413813ba6713fc39d1f8f1657b6ca85b4cd930f2751b9f37631855c6ce09

  • SHA512

    06d1846d3634d825586156576e3d554eaeac08b0f8a319a553fc7b300fbd9d89836f1979e28fe83a3114887af963119a6682c00831d98e5035eb25e5e0990dce

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYa:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

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 5 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\5ac09948fd5c5b956bae13a3f3bdd690N.exe
    "C:\Users\Admin\AppData\Local\Temp\5ac09948fd5c5b956bae13a3f3bdd690N.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:1404
    • 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:3136
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 548
          3⤵
          • Program crash
          PID:5112
      • 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:4012
        • 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:220
        • 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:4460
          • 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:1968
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5ur921Llp6O5.bat" "
            4⤵
              PID:4948
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1552
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1196
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4772
                    • 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:4536
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\V6Dkp9I5rrnl.bat" "
                      6⤵
                        PID:3696
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4968
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1156
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3572
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 2176
                            6⤵
                            • Program crash
                            PID:3128
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 1692
                        4⤵
                        • Program crash
                        PID:4888
                  • C:\Users\Admin\AppData\Local\Temp\5ac09948fd5c5b956bae13a3f3bdd690N.exe
                    "C:\Users\Admin\AppData\Local\Temp\5ac09948fd5c5b956bae13a3f3bdd690N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3376
                  • 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:3628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3136 -ip 3136
                  1⤵
                    PID:2552
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4460 -ip 4460
                    1⤵
                      PID:4920
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3384
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4356
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4408
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 488
                                3⤵
                                • Program crash
                                PID:1200
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2740
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:844
                                • 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:1480
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4356 -ip 4356
                                1⤵
                                  PID:1860
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4772 -ip 4772
                                  1⤵
                                    PID:3160
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2604
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2228

                                      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\5ur921Llp6O5.bat

                                        Filesize

                                        208B

                                        MD5

                                        97cb1db466b1fd159503005c3ce3efac

                                        SHA1

                                        d8cb8a6eb557c1ab688d7cc9ea8b03195ee8b903

                                        SHA256

                                        51d23b508c25dab9a8665cd9ff400ac231bb5d163db4bfe86641711ba2035325

                                        SHA512

                                        137ae20a4c2962a40c32a7dc6968e42fd87c0c4a02bb78e2a47c7d213584b11f6bab502607a6d43d34fc33129484689b51b21608f59c1e1052a9d3e8015b9831

                                      • C:\Users\Admin\AppData\Local\Temp\V6Dkp9I5rrnl.bat

                                        Filesize

                                        208B

                                        MD5

                                        c2cae3cd4184e5960ce7b32cd57a7d4a

                                        SHA1

                                        cf70b175f71ed5d7007e0229755eeb29b791bf3b

                                        SHA256

                                        2e2f7b7b2136b68087453b78f9bc0962f7e536c58d1bc9f3abd30776248c241d

                                        SHA512

                                        33474caa5e72c25d579b133bf8f12a3725f59a5a4303f84054a30b0eb684a5ce921f8bcf3e912d7925fa44e7d842641c4d25bc43ec7bfa9ebb21949e5a660580

                                      • 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\09-14-2024

                                        Filesize

                                        224B

                                        MD5

                                        fbd435b77d8dff12e98e933fb8ec42a6

                                        SHA1

                                        e199b1a78bc9c6389b3832631585bcaccd60faf3

                                        SHA256

                                        9381d91e7eefb6ed47127eaefd4ebbe0e39f88e692e1dfb8ccc8968fac15fb5a

                                        SHA512

                                        18cef252238b004caecb6fdb8888199590803d8ac68ede493216ba2eabf716748f0b87699887df344073710945ec4f497947875be59887bd769fde805e3be201

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        2fdae102380aad510faf206cdc0081e1

                                        SHA1

                                        24ac57e6fdaba4a51cfcb0e8c03a38b80bbe54d1

                                        SHA256

                                        ed5c0b6841a658881aae367524a6e7ed294ebb60391c1d2fdc9231760bed53a9

                                        SHA512

                                        8e5b6a2d80ebfdf99a5cf4c37e74adcd00a1a649c7c53cffa102d09d119f6c04ed0f12c6674fe7a30b3bb973b7fbc30d76871e932a6588eae4f7e89ed0dfaeec

                                      • memory/1404-19-0x00000000038F0000-0x00000000038F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3376-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3376-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4012-34-0x0000000004ED0000-0x0000000004F62000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4012-37-0x0000000006090000-0x00000000060CC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4012-36-0x0000000005B50000-0x0000000005B62000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4012-35-0x0000000004E30000-0x0000000004E96000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4012-33-0x0000000005480000-0x0000000005A24000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4012-32-0x0000000000520000-0x000000000057E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4012-29-0x000000007351E000-0x000000007351F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4460-45-0x0000000006A00000-0x0000000006A0A000-memory.dmp

                                        Filesize

                                        40KB