Analysis

  • max time kernel
    3s
  • max time network
    125s
  • 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 01:37

General

  • Target

    8baf160d2d862d0c914b3ada32bf1f6571627128a83b8e89669990f8d31c1fbf.exe

  • Size

    2.0MB

  • MD5

    3beb5ed7e6695bec4fe6a6be210baa00

  • SHA1

    6a452fde88f0d7f65e7acc02222e00f7632916f1

  • SHA256

    8baf160d2d862d0c914b3ada32bf1f6571627128a83b8e89669990f8d31c1fbf

  • SHA512

    ee4b1c908bee0465be8d8371c4be6ec88bc98d2cd22c453c6674c32b0e4a00554ea16f2b61f4b6b6c57c70140ac0a8870d817182b120f749af00f8dc3b06ad98

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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\8baf160d2d862d0c914b3ada32bf1f6571627128a83b8e89669990f8d31c1fbf.exe
    "C:\Users\Admin\AppData\Local\Temp\8baf160d2d862d0c914b3ada32bf1f6571627128a83b8e89669990f8d31c1fbf.exe"
    1⤵
    • 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:3236
    • 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:4908
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 548
          3⤵
          • Program crash
          PID:5076
      • 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:660
        • 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:4840
        • 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:2124
          • 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:2376
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\34iGcVlgMti9.bat" "
            4⤵
              PID:2864
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1608
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2604
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4120
                    • 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:3848
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iDeWZxp47tGC.bat" "
                      6⤵
                        PID:4720
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2968
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4048
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3208
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 1744
                            6⤵
                            • Program crash
                            PID:4788
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 1652
                        4⤵
                        • Program crash
                        PID:2228
                  • C:\Users\Admin\AppData\Local\Temp\8baf160d2d862d0c914b3ada32bf1f6571627128a83b8e89669990f8d31c1fbf.exe
                    "C:\Users\Admin\AppData\Local\Temp\8baf160d2d862d0c914b3ada32bf1f6571627128a83b8e89669990f8d31c1fbf.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2200
                  • 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⤵
                    • Quasar RAT
                    • System Location Discovery: System Language Discovery
                    • Scheduled Task/Job: Scheduled Task
                    PID:1456
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4908 -ip 4908
                  1⤵
                    PID:2576
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2124 -ip 2124
                    1⤵
                      PID:3216
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4868
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2260
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1628
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 520
                                3⤵
                                • Program crash
                                PID:524
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1688
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4128
                                • 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:2272
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2260 -ip 2260
                                1⤵
                                  PID:2576
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4120 -ip 4120
                                  1⤵
                                    PID:4328
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3208 -ip 3208
                                    1⤵
                                      PID:1660
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:456
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4268

                                        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\34iGcVlgMti9.bat

                                          Filesize

                                          208B

                                          MD5

                                          47a3c172271e5f5466369dd2243eabbb

                                          SHA1

                                          2bda65d01ae8d2a07f5a984355715986554eb221

                                          SHA256

                                          d9e3cbe33f88b369c3f6bb57dc250a996196b7bf56b280c5ba1f9e70639fc959

                                          SHA512

                                          d65846e16b986eb2923a6465f03028d9c791c1ac1eca6ee71b1a660d77240a55a4da6ead262ebf1f542d19d0898a64ca1f05c403d760a5d8218b464f5f1bc507

                                        • C:\Users\Admin\AppData\Local\Temp\iDeWZxp47tGC.bat

                                          Filesize

                                          208B

                                          MD5

                                          ff79d79f20480748bef848b23836e117

                                          SHA1

                                          e8343ff52a8553004f87853a2dcc609a81b0bf60

                                          SHA256

                                          9c0971565af4d93bd42fc397241279ef2fb4e6899e8ee5c8ddf4d9c87b11dd81

                                          SHA512

                                          e930cc1db70b0dd86e67c0c7a98db928711912285a8475751bff0f50587ff56f58b83ce5ae57075bf6d881013eed67160df12fb6767826e473679041ea49efa4

                                        • 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

                                          fda87dd9d4ccc751b4b376a6cd92dd2b

                                          SHA1

                                          03335990efb7ecc622214aed94f653fa0d880784

                                          SHA256

                                          fef440fc63d4272c6e97ec4df68736ee109e6829a8e796a0a1a8404efafe540f

                                          SHA512

                                          a941411de8d3c3e3a345bafcb87b55f09dc3c13eee71d9ce222b234d84500512700bb47f5e2df6408f5400dbd149147bf751f3a609501293cae413328b955e3d

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          0b34d70d5c8e42ac6ecce1b80ed0d312

                                          SHA1

                                          e37ef5f0c7b9efb3365be604d538d90cb32d6989

                                          SHA256

                                          6c71d773f444c883766ce5dfc77f2c80bd0673942ea2ca5e7b9a5ae3d7c52b20

                                          SHA512

                                          6534d52bf860a3654d4f573ff4d43308ab7514a8ee8b38bb25ae00dce55caf0096394f026035ccfcde755e2544b841e1e7094f58f7e83b2a506da74e3330142a

                                        • memory/660-36-0x00000000061C0000-0x00000000061D2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/660-35-0x00000000054C0000-0x0000000005526000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/660-37-0x0000000006700000-0x000000000673C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/660-34-0x0000000005540000-0x00000000055D2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/660-33-0x0000000005AF0000-0x0000000006094000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/660-30-0x0000000000A40000-0x0000000000A9E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/660-29-0x000000007315E000-0x000000007315F000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2124-45-0x0000000006840000-0x000000000684A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2200-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2200-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3236-19-0x0000000000E20000-0x0000000000E21000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4128-74-0x0000000000460000-0x0000000000480000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4128-80-0x0000000000460000-0x0000000000480000-memory.dmp

                                          Filesize

                                          128KB