Analysis

  • max time kernel
    4s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 00:04

General

  • Target

    6c73bff74c556614eac6924cf5ef2cf0N.exe

  • Size

    2.0MB

  • MD5

    6c73bff74c556614eac6924cf5ef2cf0

  • SHA1

    60cc889f6dfc699fa074292ecf9c4b6dde194e37

  • SHA256

    27b3199ec7d50a5b57ad568d9f4a9734c94f95e4765820698ef5fd5c9e2f7937

  • SHA512

    e5f4fe737e25cbf66d743ce886dd488768b679467f6f650191e1fc68eb77a921a1ca331800ca67f7ae0d20c8c3f84a199f3e6d47b8db4a19eb5d77c74fd76996

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

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\6c73bff74c556614eac6924cf5ef2cf0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6c73bff74c556614eac6924cf5ef2cf0N.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:3548
    • 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:1400
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 548
          3⤵
          • Program crash
          PID:2208
      • 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:760
        • 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:3456
        • 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:1080
          • 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:2744
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0SWWoVSv00w4.bat" "
            4⤵
              PID:2452
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2208
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1208
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4056
                    • 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:208
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0qimraUrLx9C.bat" "
                      6⤵
                        PID:4792
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2540
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:628
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2456
                              • 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:1952
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 2264
                            6⤵
                            • Program crash
                            PID:2736
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 1752
                        4⤵
                        • Program crash
                        PID:2900
                  • C:\Users\Admin\AppData\Local\Temp\6c73bff74c556614eac6924cf5ef2cf0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\6c73bff74c556614eac6924cf5ef2cf0N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4704
                  • 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:4668
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1400 -ip 1400
                  1⤵
                    PID:2244
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2348
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4276
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3472
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 520
                              3⤵
                              • Program crash
                              PID:3476
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3804
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1404
                              • 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:4504
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4276 -ip 4276
                              1⤵
                                PID:392
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1080 -ip 1080
                                1⤵
                                  PID:4944
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4056 -ip 4056
                                  1⤵
                                    PID:3476
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3100
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4784

                                      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\0SWWoVSv00w4.bat

                                        Filesize

                                        208B

                                        MD5

                                        1fde7a44a4fae46c228fe472b117f549

                                        SHA1

                                        66b5579a653314d71e6430bdb1f998fb93fd8bad

                                        SHA256

                                        cc296c06292406f0ccaeeb9b172af01d086a50a17e32f92cdd153d2612efffc1

                                        SHA512

                                        fb68bdbf2ee679fe9b9f8711c09f828e04b64610d515fffbfaf095fa5fcdd606d5a85cf581322f0a34e8028ff81185197f66d3303ba047572ea154e7c7dafda5

                                      • C:\Users\Admin\AppData\Local\Temp\0qimraUrLx9C.bat

                                        Filesize

                                        208B

                                        MD5

                                        33c053c98582195567669d0fbe797027

                                        SHA1

                                        e81af07f43d781b558dca5d668c040a28031905a

                                        SHA256

                                        ad9496b23f60b003e973f261be494c8583d2330d2010bf0c44ad71141ab852cc

                                        SHA512

                                        196990984e92e73e04ec55f7e6fd2ebeb3cd035ed8f7991e47e7b169b0dd3da6a6ef61123ceb918de1b42d151fc132c06a431ebbe45c56ca7a03bb2bfd2c3aee

                                      • 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\08-25-2024

                                        Filesize

                                        224B

                                        MD5

                                        e20c8480484e448cd2abfce5b4e88960

                                        SHA1

                                        4a77b2d26ff6cf105764a11859ce3302e88051a7

                                        SHA256

                                        dabbfd075c1474460aeefdafd4c7746e7e7f621c2649d70cd73f15386f625f21

                                        SHA512

                                        bd5bd6d2148a33ae0ec65a20d410f9f63ad8f7968e6d1b3a129d4b29f81f9c7d58828e3ee0a29e3f7cb06df6ea5e26068ab7e534370604e864a99bb64507b2be

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-25-2024

                                        Filesize

                                        224B

                                        MD5

                                        3806d2e969ad27d2e822e3dfb6f942ea

                                        SHA1

                                        91bbe9ad8f98fe7bb690c5586fd36f9d7985b22a

                                        SHA256

                                        133e428fdf60848082a273bdbb85bde9da4be2d6a504205f836befc8ae3c8320

                                        SHA512

                                        7b6f1e35cbe829f1e8a485286dc994793d73481944a62539b9234da7cfbdefcfbfe2e9aa6985d8391869bc70fff29e77cda762eaa03c445685a487aa72136383

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        6222e66d777633de201b30a5ae975938

                                        SHA1

                                        af47cbd8ee654607e6cfc84263ba8fe43d704233

                                        SHA256

                                        004d8449718f6697e427f6c6b03aae2872e54c08a4fdc54115fb857b8c2df28c

                                        SHA512

                                        9a571bf907a7923cd0a5259cae8f49846598770839a9cc96eb638c8b75dd83aa998c0d0d06be345c5986dfde1a147cd5841d5bec57e3ce347bf19e34f9bc919c

                                      • memory/760-36-0x0000000005D40000-0x0000000005D52000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/760-35-0x00000000050F0000-0x0000000005156000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/760-34-0x0000000005050000-0x00000000050E2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/760-37-0x0000000006280000-0x00000000062BC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/760-33-0x00000000054F0000-0x0000000005A94000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/760-32-0x0000000000700000-0x000000000075E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/760-29-0x0000000072ABE000-0x0000000072ABF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1080-45-0x0000000006F00000-0x0000000006F0A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/1404-67-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1404-73-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3548-19-0x0000000004010000-0x0000000004011000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4704-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4704-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB