Analysis

  • max time kernel
    6s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 22:37

General

  • Target

    62f6344eadb4f24833490bf8457c5040N.exe

  • Size

    2.0MB

  • MD5

    62f6344eadb4f24833490bf8457c5040

  • SHA1

    c663f37fc7cb566b11ffb8a53ca39557ce326ba6

  • SHA256

    8aeb1cfe6eec82ce7cc363857a4d046df511f6c0e8d1f68c866c654f90f8a7f8

  • SHA512

    ea4626efb622deaf992becd3eceb6dea200f72196dc9177a5bcaf48bee864d38e6446f28110887bd1edc23488f7552e56c8b35eaea714d9a212487a0ab4d62b2

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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\62f6344eadb4f24833490bf8457c5040N.exe
    "C:\Users\Admin\AppData\Local\Temp\62f6344eadb4f24833490bf8457c5040N.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:5064
    • 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:964
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 548
          3⤵
          • Program crash
          PID:5100
      • 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:3460
        • 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:2056
        • 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:4720
          • 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:3332
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\wkp21oS8GbqV.bat" "
            4⤵
              PID:1252
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:5004
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4116
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4208
                    • 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:464
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\f4TiNWde9PUC.bat" "
                      6⤵
                        PID:4596
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1632
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1768
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4968
                              • 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:3056
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 1984
                            6⤵
                            • Program crash
                            PID:3924
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 2260
                        4⤵
                        • Program crash
                        PID:3920
                  • C:\Users\Admin\AppData\Local\Temp\62f6344eadb4f24833490bf8457c5040N.exe
                    "C:\Users\Admin\AppData\Local\Temp\62f6344eadb4f24833490bf8457c5040N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3552
                  • 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:2508
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 964 -ip 964
                  1⤵
                    PID:1836
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:556
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1956
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:5028
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 520
                              3⤵
                              • Program crash
                              PID:4644
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4548
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2348
                              • 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:828
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1956 -ip 1956
                              1⤵
                                PID:4632
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4720 -ip 4720
                                1⤵
                                  PID:1328
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4208 -ip 4208
                                  1⤵
                                    PID:4632
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3864
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2312

                                      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\f4TiNWde9PUC.bat

                                        Filesize

                                        208B

                                        MD5

                                        819b6152c343e511761326756e5689f4

                                        SHA1

                                        2fa2f043eb0c8562e2d4c6bbd8795085a11e341e

                                        SHA256

                                        9516530a2f40f57d2f482bded7fc211c9917fbf2cc097da278b9054e72552c48

                                        SHA512

                                        a18dd0f5a474b792fafeca149a93bd154fc1d0c66c17781405b1201dd835a6de345f94386b8cb2e595d7603b36ec2938c887978a67d870b835a9e3aa9e228bbf

                                      • 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\wkp21oS8GbqV.bat

                                        Filesize

                                        208B

                                        MD5

                                        0eea0cd4404240e863715f5d7265ce07

                                        SHA1

                                        09058dee314efedf3d05e87faa8f5c02c6249b22

                                        SHA256

                                        013d3852ead1d42b48dbbe23c97e0dfc4ce107738c87807c5c12a8e0e6e71941

                                        SHA512

                                        befe2993f6d8d048cdb047b0e2afe3cba841205983b17d65dc51eca2b4f6823f17961c93662390da7d24d3c68cf7c2803e8dea7e3556f1847f35b527a01dc394

                                      • C:\Users\Admin\AppData\Roaming\Logs\07-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        fb6fc98c70dc65a148b790c3d80fb4d4

                                        SHA1

                                        4c92f859c99d9423452cf64ba273db65c61d9e61

                                        SHA256

                                        b2197cca10fbab05c566cda87059f1b30a98b8ac93ed4b5a20f1ea5b7824110d

                                        SHA512

                                        7b8af88416d59f33b397573645b9ca2ef2a010acd792c6b0e2838789f9fd255e1c6b9070a0050774b346a7524297f692d67e8163f711e536e94c30fe7794b520

                                      • C:\Users\Admin\AppData\Roaming\Logs\07-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        1e8dfc61d5de3cd13c515d83cd4b154c

                                        SHA1

                                        3d9dce765f03cdfe66deb55862819582ae609c53

                                        SHA256

                                        b9fe22cd32d55e4d3bbd1eecf09662ffccd1c0b246ccaa749b0c8bf8634c6197

                                        SHA512

                                        abf5dfe7a9f84b9f5117e445ac93e140f929c58a250c5be19b052a4301baa3c8a7584e0b3bd9830bcec4600c83010968b9707aa814c1b1ba6dedfba613875c46

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        0aa55fe6a059077625bd634d8a5a0808

                                        SHA1

                                        f7b3b4b18430a18d7f856dc977234e0864b347c6

                                        SHA256

                                        0ccbeb3524e047b912df6a08773c26766b74caeb5e1bcefd3aa50d6bb373d165

                                        SHA512

                                        9df635a170434504b154858d6089685c7855522b2cd33c0d73f3bcc7f9dd834373beede783e32dd8f0467264ed0d3c695abe934946253498fd4a96857b45a493

                                      • memory/3460-36-0x0000000005D20000-0x0000000005D32000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3460-35-0x00000000057E0000-0x0000000005846000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3460-34-0x0000000005880000-0x0000000005912000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3460-37-0x0000000006A20000-0x0000000006A5C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3460-33-0x0000000005D90000-0x0000000006334000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3460-32-0x0000000000D40000-0x0000000000D9E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3460-29-0x000000007361E000-0x000000007361F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3552-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3552-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4720-45-0x00000000068A0000-0x00000000068AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/5064-74-0x0000000002550000-0x0000000002551000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/5064-28-0x0000000002550000-0x0000000002551000-memory.dmp

                                        Filesize

                                        4KB