Analysis

  • max time kernel
    5s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 13:50

General

  • Target

    e7c7e4d48a5cc18255ce82e3b3056a10N.exe

  • Size

    2.0MB

  • MD5

    e7c7e4d48a5cc18255ce82e3b3056a10

  • SHA1

    a29cb7c25cd6a346255236d2e7943fea864eb6f0

  • SHA256

    9b3e00595f1309396115c19014442f3c89756eb2f8be74a1a1fca73933ac6435

  • SHA512

    e378acd1cca0d841f084bb276b8f2734d33412e382bede0a74b06b0abc8011f0339865dc4cbb7fd39b866f58cefaa07b415382bdc168a1f0ca61bbabca7a9b82

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYa:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

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
  • 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\e7c7e4d48a5cc18255ce82e3b3056a10N.exe
    "C:\Users\Admin\AppData\Local\Temp\e7c7e4d48a5cc18255ce82e3b3056a10N.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 548
          3⤵
          • Program crash
          PID:1784
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4280
        • 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⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3352
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3400
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:560
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tBwhMPVI9kI1.bat" "
            4⤵
              PID:5052
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4004
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:2372
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1692
                    • 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:4988
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5DsBHFEIuBCw.bat" "
                      6⤵
                        PID:1644
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3448
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:3652
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4552
                              • 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:2784
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 2220
                            6⤵
                            • Program crash
                            PID:3548
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 1960
                        4⤵
                        • Program crash
                        PID:2864
                  • C:\Users\Admin\AppData\Local\Temp\e7c7e4d48a5cc18255ce82e3b3056a10N.exe
                    "C:\Users\Admin\AppData\Local\Temp\e7c7e4d48a5cc18255ce82e3b3056a10N.exe"
                    2⤵
                      PID:3304
                    • 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
                      • Scheduled Task/Job: Scheduled Task
                      PID:328
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1484 -ip 1484
                    1⤵
                      PID:2120
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3400 -ip 3400
                      1⤵
                        PID:4920
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:460
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:2616
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:2032
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 520
                                  3⤵
                                  • Program crash
                                  PID:2752
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:5028
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:3140
                                  • 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:4892
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2616 -ip 2616
                                  1⤵
                                    PID:2124
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1692 -ip 1692
                                    1⤵
                                      PID:1848
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4344

                                      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\5DsBHFEIuBCw.bat

                                        Filesize

                                        208B

                                        MD5

                                        14e111f3e29358748923584cba46bc79

                                        SHA1

                                        eb9f12b66d27d4c64dd95421f39ae8644404286f

                                        SHA256

                                        d81dd8552df796bd421d48a30dc1b9dcff20da68c28d48e8ee6ce5f8090b06b3

                                        SHA512

                                        18fe83a04c8e756f0449fac3ee1d561850ba23a3864adb35eb888800ab5cd4b6f9e69186a8f32ba2ab79a7742d23e6cb5616d76f472dc8ad55cef4994ad1009a

                                      • C:\Users\Admin\AppData\Local\Temp\tBwhMPVI9kI1.bat

                                        Filesize

                                        208B

                                        MD5

                                        47a274bf396c7884ca7cfc7f5ad55d5e

                                        SHA1

                                        630769f0306f7bb49b2e4d2291dab723c23fbf8e

                                        SHA256

                                        4614f09db195f6b9ef3d79ec057b989980c120b0c95b1fe7a5a84f3795b503e4

                                        SHA512

                                        96032f9cf1d7b893df508ad8006ce79b9fca6888f85deb94e650d10e3b32cca84a577a1e6f516ab13ead6123a17e5d52c603a281d8e3f02b6926677363a53658

                                      • 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\07-15-2024

                                        Filesize

                                        224B

                                        MD5

                                        cf39d3a6d19a3154e0a32c65fc28dcab

                                        SHA1

                                        18ea5210d39719696791d81f82e268bf1f4b06ae

                                        SHA256

                                        1d682b0e348d6a67e1ace975c202874edb2c848303302168c524b2e4a482ba9e

                                        SHA512

                                        9dc62b110693b142bccb6d5b15ef18274a0e2b3468b0ca2be39874eae8ccb7a8c8fc3b8c96a98a3a4018b1f579744b352739e9d65a5fb97c2b52ddc3ab0ca899

                                      • C:\Users\Admin\AppData\Roaming\Logs\07-15-2024

                                        Filesize

                                        224B

                                        MD5

                                        1245a84b86590a9a08e6f274728a928e

                                        SHA1

                                        3cb4b9125aca0330aaba510a562a24ddbc781789

                                        SHA256

                                        b50ae31e1edd04b7dcab1a1a376269dcc875b350c2964032b6d3888c60a25da5

                                        SHA512

                                        c978f920376a0e8dd62b6f4b33ce7038bb29a9ca2a2c0154168b4b1e28fa5a3b7e0dd1f2cdc1560d8834415218586f26d155c000f718cf6dc34e2238d6454ab9

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        5c34da1b47168de0c1a41c49c898d9c9

                                        SHA1

                                        68b61699a5f496452d91d09dea687f9490043e26

                                        SHA256

                                        040efc6429f308908b2846b7374d4ef102370d1be5a2fb89c3fe3a4471ce60d9

                                        SHA512

                                        5c7eb31d2314bab7e759ba965630db3f641c06a43edeb93e4786047a8c7d4e6140f2e7b39cc51dbaf86711de8530f904093c46e0cea70d5886a11deec1f015d5

                                      • memory/3304-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3304-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3400-45-0x00000000068A0000-0x00000000068AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4280-29-0x00000000736AE000-0x00000000736AF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4280-37-0x0000000006010000-0x000000000604C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4280-36-0x0000000005AD0000-0x0000000005AE2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4280-35-0x0000000004CA0000-0x0000000004D06000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4280-34-0x0000000004D50000-0x0000000004DE2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4280-33-0x0000000005300000-0x00000000058A4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4280-30-0x0000000000250000-0x00000000002AE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4392-46-0x00000000043A0000-0x00000000043A1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4392-28-0x00000000043A0000-0x00000000043A1000-memory.dmp

                                        Filesize

                                        4KB