Analysis

  • max time kernel
    5s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 22:09

General

  • Target

    53cc862421c7503ac75e20d5c6d00ace4ad86fe8b8c1a0ca7a4c4ff2eb14837d.exe

  • Size

    2.0MB

  • MD5

    892ff8be0e79e60de11b65cf44fe659a

  • SHA1

    a2cd923495c0dac67263ce9f1afa53131c9d56d2

  • SHA256

    53cc862421c7503ac75e20d5c6d00ace4ad86fe8b8c1a0ca7a4c4ff2eb14837d

  • SHA512

    c1349e3b3d38c5c8feef19b2dbd95c091a09e7b15da06c050e0863d3cdabc19a416c77356ea22b1df6b161b22f0c7778703b9a8bce73c921fb0efa80d1b86a2f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY+:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

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\53cc862421c7503ac75e20d5c6d00ace4ad86fe8b8c1a0ca7a4c4ff2eb14837d.exe
    "C:\Users\Admin\AppData\Local\Temp\53cc862421c7503ac75e20d5c6d00ace4ad86fe8b8c1a0ca7a4c4ff2eb14837d.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:3188
    • 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:4536
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 548
          3⤵
          • Program crash
          PID:764
      • 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:3304
        • 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:4936
        • 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:2532
          • 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:1372
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2x66cuRzZjFn.bat" "
            4⤵
              PID:1008
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4568
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:5012
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4480
                    • 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:2396
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RYdbeAG1ZX8K.bat" "
                      6⤵
                        PID:1700
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2112
                          • 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:4984
                              • 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:1120
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 1752
                            6⤵
                            • Program crash
                            PID:1620
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 2008
                        4⤵
                        • Program crash
                        PID:4672
                  • C:\Users\Admin\AppData\Local\Temp\53cc862421c7503ac75e20d5c6d00ace4ad86fe8b8c1a0ca7a4c4ff2eb14837d.exe
                    "C:\Users\Admin\AppData\Local\Temp\53cc862421c7503ac75e20d5c6d00ace4ad86fe8b8c1a0ca7a4c4ff2eb14837d.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4976
                  • 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:1992
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4536 -ip 4536
                  1⤵
                    PID:2152
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3184
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3648
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:448
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 520
                              3⤵
                              • Program crash
                              PID:1480
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2560
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4544
                              • 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:3276
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3648 -ip 3648
                              1⤵
                                PID:1624
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2532 -ip 2532
                                1⤵
                                  PID:1396
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4480 -ip 4480
                                  1⤵
                                    PID:4288
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1532

                                    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\2x66cuRzZjFn.bat

                                      Filesize

                                      208B

                                      MD5

                                      0758f710049b2443a4b64ca91ff59b85

                                      SHA1

                                      0dc3e181a6dfc4b6d38431f2e9692433b58defa6

                                      SHA256

                                      d54c569132cbe47acb4e44369bba4e52f7ecb56d31c61c063fe1878ed8260403

                                      SHA512

                                      06ca884a6f1386a7adc9aa6a59c60ba25ddd8977daa480d9d4874785f99c457771d67b105093aa23f97ffdee4b56fb49565af2a93818b762fa67955d0b510df3

                                    • C:\Users\Admin\AppData\Local\Temp\RYdbeAG1ZX8K.bat

                                      Filesize

                                      208B

                                      MD5

                                      fd5e5bcc24cce9f92f6e8ec6f36503e7

                                      SHA1

                                      fdc294ee79cfcf714748c7c915d077197c71221d

                                      SHA256

                                      8725b988d39868e9099ff2a0fe6de046572a18f01a82d9ec2829b36ff6aa82e4

                                      SHA512

                                      2116a7fa49173091f02f932a4670397c08948667fea887da4df374057297be07b20e5488ce6f1922e2bb3cedb84b8e9def6caa87bf43522e273567134b0798c0

                                    • 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\07-31-2024

                                      Filesize

                                      224B

                                      MD5

                                      21ad9f00e09534d1deede446539edd12

                                      SHA1

                                      80e3a07e4d06e9363e776004cea9f8d7fce643cd

                                      SHA256

                                      d56b210b23124581224b3b0bbf85288de4a539dfebdede4672f1282988967e4d

                                      SHA512

                                      aeeb446b7812b3acd363692bc9176ea7510d707a0a0a0fd883aa6da63df15c19d6c78ad0396247420c636caaf90f8db5895e5b55afac3e18fad1a31c23376f71

                                    • C:\Users\Admin\AppData\Roaming\Logs\07-31-2024

                                      Filesize

                                      224B

                                      MD5

                                      a98b90062384b04703164c3b57c5e39a

                                      SHA1

                                      9866eca75b0e2b06e4433bfff8ac9049bed03dbd

                                      SHA256

                                      7510714fa7dee4bbc2ed75acb15c8ebb3b72aa753577c3b60c08ab075a6a067b

                                      SHA512

                                      f7670da5e1db9db91d0064ae6310033038564ce3e7661130a4dfd4890efac5c69ba866f498601302030b898a99ec24cc05fdac88c2942c888e682e6f42082b18

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      71cc92449823fa9c890c9998ddd45dbc

                                      SHA1

                                      73aff5005cc842f6c606431db36560c558a3401a

                                      SHA256

                                      0e4434d74872a4f739c14855d3e111c5813a7371a6aff04bfa6cb0e887614884

                                      SHA512

                                      2aaaca525cacff8c9c69ceebf41b2153534cc476e4988aacc30db3a0e0a883506e26b15843ea9808a98b9e263db70e2da7f8c71a2239de0de13774f46fd848f9

                                    • memory/2532-45-0x0000000006650000-0x000000000665A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3188-19-0x0000000004010000-0x0000000004011000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3304-34-0x0000000004B00000-0x0000000004B92000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3304-37-0x0000000005CE0000-0x0000000005D1C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3304-36-0x00000000057A0000-0x00000000057B2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3304-35-0x0000000004BA0000-0x0000000004C06000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3304-33-0x00000000050B0000-0x0000000005654000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3304-32-0x0000000000010000-0x000000000006E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/3304-29-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4976-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4976-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB