Analysis

  • max time kernel
    5s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 15:16

General

  • Target

    5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe

  • Size

    2.0MB

  • MD5

    7f6882479e1eaf56f07e8bc9f62b7be0

  • SHA1

    b937afa72d7bbde1ef1d5095e46d8383713e195f

  • SHA256

    5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281

  • SHA512

    6ffe2f9b9dddccb1a4fe85e25c8134d550e1a3053cc3473f829a47a06d2e1f0edf57d1d4ebf0d1668599126856667001af6b8d100656024d8a26fc217d6a17fe

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe
    "C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.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:2512
    • 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:4956
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 544
          3⤵
          • Program crash
          PID:3584
      • 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:2600
        • 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:2496
        • 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:3520
          • 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:368
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\y4eQEqKlVbcz.bat" "
            4⤵
              PID:556
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:856
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1364
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2496
                    • 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:2236
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\aGVSIkaaAg9i.bat" "
                      6⤵
                        PID:3540
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1488
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3344
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3296
                              • 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:4104
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 2240
                            6⤵
                            • Program crash
                            PID:1908
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 2276
                        4⤵
                        • Program crash
                        PID:4048
                  • C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe
                    "C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3764
                  • 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:2124
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4956 -ip 4956
                  1⤵
                    PID:2376
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3300
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2040
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:832
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 520
                              3⤵
                              • Program crash
                              PID:4288
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4924
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2828
                              • 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:4528
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2040 -ip 2040
                              1⤵
                                PID:2608
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3520 -ip 3520
                                1⤵
                                  PID:2196
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2496 -ip 2496
                                  1⤵
                                    PID:3004
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:856
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2060

                                      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\aGVSIkaaAg9i.bat

                                        Filesize

                                        208B

                                        MD5

                                        da73662e3897eac84166f4ffc279cf5f

                                        SHA1

                                        09d06baf0fd296e631a290f07b5e906c725a08fb

                                        SHA256

                                        a157796fdafc56507f0599c7cb9962981150f23e3aeb1e8eb0133ae783fbe01b

                                        SHA512

                                        8180219fbc64fc6dd3d8dec3ada98d829a13d28abb2f8b5efb61db7a97c17bb072129d357be63887c779612c37d9101644064b44ec788e8f3b5272c8f9cb2f40

                                      • 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\y4eQEqKlVbcz.bat

                                        Filesize

                                        208B

                                        MD5

                                        818f8cce73d5a5877b6cdc36c394eae6

                                        SHA1

                                        3240892145abe1469d6586b186d40c1339adaf29

                                        SHA256

                                        9ec9eb968c7399d9fdc280068bbc2661a4dba53d06ad56c52eea0e43010dca39

                                        SHA512

                                        b77e47777955e6667e7b518b04cbce8e41ac529b25dd973820c341b40b631da4033eb5edaf87acb34ead17b83f505595da126485cd9b7bfd77bacaaf8fbf54a4

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-20-2024

                                        Filesize

                                        224B

                                        MD5

                                        8edefa995c0471aca25293eceb5b567f

                                        SHA1

                                        3e6b33aaab30671d23f49daf906e280b792e6344

                                        SHA256

                                        bd3db3a52d7fc4250357e034fe7ec730639976388697d91550b4a19d0e20ae52

                                        SHA512

                                        b1728c1a9b69a5725b58e54d3d02dc51d2a2bf3faa228d47cfd9ec57f6f3e531474eb75ef68a751c5508fd63ed316e591da972277f31dd0e3af972b93b70c8bc

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-20-2024

                                        Filesize

                                        224B

                                        MD5

                                        ab35c061e631b36054426e76899783fd

                                        SHA1

                                        e7415238874e9aa91a7b713c178e47af22674175

                                        SHA256

                                        68930869bee130f01533a6b79013fd2675c50cbf68735098a49f725938511086

                                        SHA512

                                        edd98548be63f6af9df4eb81636fa379886057eeeeabbcd0a446737847cc2f1b4537b7b8de845da6ff1e6e47c3e213284afc2c5f356e27358e168665923179e4

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        8e1c7d883bde0f35abff4c77eb7192e1

                                        SHA1

                                        b6bd81e2f248b8f2cca18f88d3b612f9789d6d46

                                        SHA256

                                        6da7578bd5da75d27eea7a7d6ccda3175f9f105a36b72fa174c76b39b2c4828e

                                        SHA512

                                        d23763ef0a5d33a9ae3534945bbeec1cd0ad40d262aa9c99b4ef484db9df7c560edf2e335893aaf71e2903408616a0e8d3cb6bf213fc4460efcf59974e808bc4

                                      • memory/2512-19-0x0000000001910000-0x0000000001911000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2600-34-0x0000000005790000-0x0000000005822000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2600-36-0x0000000006420000-0x0000000006432000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2600-37-0x0000000006960000-0x000000000699C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2600-35-0x0000000005710000-0x0000000005776000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2600-33-0x0000000005D40000-0x00000000062E4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2600-30-0x0000000000DF0000-0x0000000000E4E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2600-29-0x000000007391E000-0x000000007391F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3520-45-0x00000000062D0000-0x00000000062DA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3764-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3764-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB