Analysis

  • max time kernel
    9s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2023 17:12

General

  • Target

    6392c89b65b7a6d1cedcceacd62d7376exe_JC.exe

  • Size

    2.0MB

  • MD5

    6392c89b65b7a6d1cedcceacd62d7376

  • SHA1

    db8c6532b2023128675ac726ddef23c010572c33

  • SHA256

    5458a32ff385c1909059b283452b4a5bbf4a07310def1c81cb2053c55861ceba

  • SHA512

    24500d72dd978203e0e107d67007ad71752e575ad83fb052ea9bb6f2449f4c0be425e2cac346aa8978e83d6b16cef2860381872e6c525b8c535d942023d8b467

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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 9 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 3 IoCs
  • Creates scheduled task(s) 1 TTPs 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6392c89b65b7a6d1cedcceacd62d7376exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6392c89b65b7a6d1cedcceacd62d7376exe_JC.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1484
      • 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:2108
        • 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⤵
          • Creates scheduled task(s)
          PID:4656
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          PID:2220
          • 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⤵
            • Creates scheduled task(s)
            PID:2280
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JngHK8738Sss.bat" "
            4⤵
              PID:1980
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4572
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:3940
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5064
                    • 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⤵
                      • Creates scheduled task(s)
                      PID:3732
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IqdQEXTjORZp.bat" "
                      6⤵
                        PID:1520
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2628
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:3852
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2148
                              • 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⤵
                                • Creates scheduled task(s)
                                PID:1068
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ralKMLMl9lGE.bat" "
                                8⤵
                                  PID:220
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    9⤵
                                      PID:840
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      9⤵
                                      • Runs ping.exe
                                      PID:5012
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      9⤵
                                        PID:4460
                                        • 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
                                          10⤵
                                          • Creates scheduled task(s)
                                          PID:2072
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 2228
                                      8⤵
                                      • Program crash
                                      PID:3816
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 2248
                                  6⤵
                                  • Program crash
                                  PID:3088
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 2016
                              4⤵
                              • Program crash
                              PID:1324
                        • C:\Users\Admin\AppData\Local\Temp\6392c89b65b7a6d1cedcceacd62d7376exe_JC.exe
                          "C:\Users\Admin\AppData\Local\Temp\6392c89b65b7a6d1cedcceacd62d7376exe_JC.exe"
                          2⤵
                            PID:2268
                          • 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⤵
                            • Creates scheduled task(s)
                            PID:1748
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2220 -ip 2220
                          1⤵
                            PID:4944
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 5064 -ip 5064
                            1⤵
                              PID:3996
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2148 -ip 2148
                              1⤵
                                PID:4588

                              Network

                              MITRE ATT&CK Matrix ATT&CK v13

                              Execution

                              Scheduled Task/Job

                              1
                              T1053

                              Persistence

                              Scheduled Task/Job

                              1
                              T1053

                              Privilege Escalation

                              Scheduled Task/Job

                              1
                              T1053

                              Discovery

                              Query Registry

                              2
                              T1012

                              System Information Discovery

                              3
                              T1082

                              Peripheral Device Discovery

                              1
                              T1120

                              Remote System Discovery

                              1
                              T1018

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\IqdQEXTjORZp.bat
                                Filesize

                                208B

                                MD5

                                448f8568934ffaf0e0f492ea3bd6654e

                                SHA1

                                7cd8fc9cb1e485e066c5bb714323a97a0165382f

                                SHA256

                                c78441383b73379e7982807fda1f320591275ed02daa0c52cb91e131a9f8a8db

                                SHA512

                                15b2cc51036d6eb1e351f0ee59f5342a7c9ddc5b7f58e58d359d5c7603ef08e6f9f35e7cc6792104b3fa913d94d9c17572ae8b2a0b56b49c35326c8e7bbcad36

                              • C:\Users\Admin\AppData\Local\Temp\JngHK8738Sss.bat
                                Filesize

                                208B

                                MD5

                                bac1825b40fa8d6b52525b76e08ee7a3

                                SHA1

                                a564f1547ac193a3f4fe4698a32469912e627acf

                                SHA256

                                363d163fc30fd16624b22a9ab8bdb8cf83ce0771afcc674e7181514586c62078

                                SHA512

                                73625233d5e04cac431cd8423f6432791f6de8d7abd5e3031f877f82c0d9e276789ac1afd50807aa298147c97764a1aa87cc73ff122064469e4906f942de9c07

                              • C:\Users\Admin\AppData\Local\Temp\ralKMLMl9lGE.bat
                                Filesize

                                208B

                                MD5

                                871895217570afe075b6defb9d3e1151

                                SHA1

                                1f59145e821cbdb04bb21d3d2078f8d368075d0a

                                SHA256

                                10c37a2a1cabc6f9f9a3d62ae604534d4ed50250480f88261f05ef481064b179

                                SHA512

                                c46f686b238c938bf6d59a4d4a9cf9df51fb37c8ef5e671e3982f767ea53ae00b743790bca41a048c9e1225644d319ce22d5db5806511a65cfc31d7458c7c89d

                              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                                Filesize

                                405KB

                                MD5

                                b8ba87ee4c3fc085a2fed0d839aadce1

                                SHA1

                                b3a2e3256406330e8b1779199bb2b9865122d766

                                SHA256

                                4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                SHA512

                                7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                                Filesize

                                405KB

                                MD5

                                b8ba87ee4c3fc085a2fed0d839aadce1

                                SHA1

                                b3a2e3256406330e8b1779199bb2b9865122d766

                                SHA256

                                4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                SHA512

                                7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                              • 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\windef.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Roaming\Logs\08-31-2023
                                Filesize

                                224B

                                MD5

                                7d31ab17ae3999640f9ad149b652edaa

                                SHA1

                                9fbde31f293af5304bf1c82544b9fd648864570c

                                SHA256

                                4858c0224925e175ddeb3f94c11a4941ade172cc344518bd73f1120d745c2829

                                SHA512

                                01c8a1a51e2ccbdc7e5226d0f29b3d854d4bc35874573a1062dcb49306cd8842d5a161ce150acfcae44e42e249d08483261db9d8b78c9447c295785d7d88e759

                              • C:\Users\Admin\AppData\Roaming\Logs\08-31-2023
                                Filesize

                                224B

                                MD5

                                2446080fad60afe6e0a8e322012d35f7

                                SHA1

                                8656a29b820093fefa8dc6b62cdb2e80ec502a4d

                                SHA256

                                97b57416f03292c6812ed3312d7f5fbdd5a5f15df13678a1ebe081f9bae9759f

                                SHA512

                                eb9a56e6b105c0cb588752780f9737308e8d207b05bbb9ae24fca2ce0a5da1f89ab713d0905ebbe9ad57cd868996ff801a98dbc1c62ca706980412b4e9239887

                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                Filesize

                                349KB

                                MD5

                                b4a202e03d4135484d0e730173abcc72

                                SHA1

                                01b30014545ea526c15a60931d676f9392ea0c70

                                SHA256

                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                SHA512

                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                              • memory/1216-19-0x0000000003770000-0x0000000003771000-memory.dmp
                                Filesize

                                4KB

                              • memory/1484-28-0x0000000000480000-0x000000000051C000-memory.dmp
                                Filesize

                                624KB

                              • memory/1484-30-0x0000000000520000-0x0000000000521000-memory.dmp
                                Filesize

                                4KB

                              • memory/2108-26-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2108-38-0x0000000004B70000-0x0000000004B80000-memory.dmp
                                Filesize

                                64KB

                              • memory/2108-32-0x0000000000200000-0x000000000025E000-memory.dmp
                                Filesize

                                376KB

                              • memory/2108-49-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2108-40-0x0000000005C70000-0x0000000005C82000-memory.dmp
                                Filesize

                                72KB

                              • memory/2108-39-0x0000000004F20000-0x0000000004F86000-memory.dmp
                                Filesize

                                408KB

                              • memory/2108-36-0x0000000005060000-0x0000000005604000-memory.dmp
                                Filesize

                                5.6MB

                              • memory/2108-41-0x00000000060B0000-0x00000000060EC000-memory.dmp
                                Filesize

                                240KB

                              • memory/2108-37-0x0000000004B80000-0x0000000004C12000-memory.dmp
                                Filesize

                                584KB

                              • memory/2148-75-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2148-76-0x0000000005320000-0x0000000005330000-memory.dmp
                                Filesize

                                64KB

                              • memory/2148-72-0x0000000005320000-0x0000000005330000-memory.dmp
                                Filesize

                                64KB

                              • memory/2148-71-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2148-81-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2220-52-0x0000000006EB0000-0x0000000006EBA000-memory.dmp
                                Filesize

                                40KB

                              • memory/2220-58-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2220-48-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2220-50-0x0000000005750000-0x0000000005760000-memory.dmp
                                Filesize

                                64KB

                              • memory/2220-53-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/2268-33-0x0000000000400000-0x0000000000420000-memory.dmp
                                Filesize

                                128KB

                              • memory/2268-20-0x0000000000400000-0x0000000000420000-memory.dmp
                                Filesize

                                128KB

                              • memory/4460-83-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/4460-84-0x00000000056E0000-0x00000000056F0000-memory.dmp
                                Filesize

                                64KB

                              • memory/4460-87-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/4460-88-0x00000000056E0000-0x00000000056F0000-memory.dmp
                                Filesize

                                64KB

                              • memory/5064-60-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/5064-61-0x0000000004F40000-0x0000000004F50000-memory.dmp
                                Filesize

                                64KB

                              • memory/5064-63-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB

                              • memory/5064-64-0x0000000004F40000-0x0000000004F50000-memory.dmp
                                Filesize

                                64KB

                              • memory/5064-69-0x0000000072F40000-0x00000000736F0000-memory.dmp
                                Filesize

                                7.7MB