Analysis

  • max time kernel
    7s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 14:58

General

  • Target

    46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe

  • Size

    2.0MB

  • MD5

    5e2a9b43af55a4d20c54b33f5feb1eaf

  • SHA1

    439473f9fd97745e896f921d9ee235d782ca4da9

  • SHA256

    46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c

  • SHA512

    89d0f318068466ef7116640595ee8341669862e0362b24f7d5e662f29f778afaa94588a660ea0b76f7f2dd3999657b2fa68074a691a8744cea12dab6b3aaf444

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYm: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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 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 2 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 12 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe
    "C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.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:2804
    • 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:2536
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 344
          3⤵
          • Program crash
          PID:1336
      • 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:3980
        • 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:3728
        • 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:1792
          • 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:4836
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\W9qYhGvSejEm.bat" "
            4⤵
              PID:876
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:404
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4964
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2440
                    • 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:3264
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\g9YcyEEr89NC.bat" "
                      6⤵
                        PID:1704
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2372
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4392
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3200
                              • 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:3444
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 1972
                            6⤵
                            • Program crash
                            PID:4448
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 2248
                        4⤵
                        • Program crash
                        PID:4728
                  • C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe
                    "C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3612
                  • 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:3788
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2536 -ip 2536
                  1⤵
                    PID:1352
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:2032
                    • 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:4344
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:3588
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 520
                          3⤵
                          • Program crash
                          PID:3924
                      • 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
                        PID:836
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4352
                      • 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:4972
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4344 -ip 4344
                      1⤵
                        PID:4104
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1792 -ip 1792
                        1⤵
                          PID:1456
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2440 -ip 2440
                          1⤵
                            PID:1828
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:4384
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:1180

                              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\W9qYhGvSejEm.bat

                                Filesize

                                208B

                                MD5

                                f128da4eefef4a991ebe0d6e0fd7d526

                                SHA1

                                71d58cc937df20fff73c1a751b29054e4ca3e4a0

                                SHA256

                                6333392ebc69f290d243a69150e79ec9d9ad436d6e4523d5935ff4726f045b81

                                SHA512

                                e8c7900d0bba03f26b3c1f1044be59f930f6037eefd44af6aa6e53bbd5f12bdc92ec403faa5d9b0004d4584482e49f8e9f354790ad40a3191a1da640861aeb28

                              • C:\Users\Admin\AppData\Local\Temp\g9YcyEEr89NC.bat

                                Filesize

                                208B

                                MD5

                                9260d1fbdaadf84d1d698603dd9593a3

                                SHA1

                                96fba1af07fe60ee84b148602946565c93983342

                                SHA256

                                54129e31cd708a29a0e24e1018b9320e1f64810d24d19ece9640281536130539

                                SHA512

                                4815e64fe994ead43f3f5f1739e525369e3a060206344ea39d694c0090be7b2e20cb0406e9e249becd3e01bca390226247d6246ef14460c6e6937e6919bd685f

                              • 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\01-01-2025

                                Filesize

                                224B

                                MD5

                                d908b58cd7ca2327847f5880c1198d41

                                SHA1

                                4719cd2040222eec4bbb544a906f6c3e327ebee8

                                SHA256

                                43bc2e28823924bd7ca16f2d04e81ab7dd8f76aeeb85877ed7c0e0c7b82f6730

                                SHA512

                                09e2594b04ed8ada6ac0c21202117cde64e7aa08be6adf13dc08831ae142e057742715197c579cbb837b90a6bf4c48958ffcdadf7bbf08ad56bc0f7a5bc00b0e

                              • C:\Users\Admin\AppData\Roaming\Logs\01-01-2025

                                Filesize

                                224B

                                MD5

                                65479de0e6e905fdf2c9ac328ad28876

                                SHA1

                                1946b61b5dcd49e5ef3d600c5621f4d2f6b34e91

                                SHA256

                                fb057020953162fbaea39d3c8cae21756ba2499d7ccb5cf77f83288363ce441b

                                SHA512

                                747dc707b8530a150cab8785472d4751570accf6f9e2ea0eadf015ebe8f30e5e1a91a146649a5de6f50cc6107fcf34b36aaddfa2395408d01fdb5f2406c5b550

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

                                Filesize

                                2.0MB

                                MD5

                                d769be0fe1297b702d2c5c85b7bd090a

                                SHA1

                                b5c907506783adbd6526ec61e1c17b9a991cc3c4

                                SHA256

                                39725f31db644d08623086bbe1cae41b7460e1c0ece3a97c8dbe6a2755280268

                                SHA512

                                e69efce524ea45708473aeb1df68ed1aa33bb383cb3ff2f261d1ae9b85d298836ae06264e6f6fca44538a0b1dd6a1f7281aa3956f0d0e9c0c28d1ac1f81be649

                              • memory/1792-52-0x0000000006230000-0x000000000623A000-memory.dmp

                                Filesize

                                40KB

                              • memory/2804-20-0x00000000010B0000-0x00000000010B1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3612-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3612-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3980-36-0x00000000050A0000-0x00000000050B2000-memory.dmp

                                Filesize

                                72KB

                              • memory/3980-37-0x0000000005DE0000-0x0000000005E1C000-memory.dmp

                                Filesize

                                240KB

                              • memory/3980-35-0x0000000004B90000-0x0000000004BF6000-memory.dmp

                                Filesize

                                408KB

                              • memory/3980-34-0x0000000004C40000-0x0000000004CD2000-memory.dmp

                                Filesize

                                584KB

                              • memory/3980-33-0x00000000050D0000-0x0000000005674000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/3980-30-0x0000000000250000-0x00000000002AE000-memory.dmp

                                Filesize

                                376KB

                              • memory/3980-19-0x000000007319E000-0x000000007319F000-memory.dmp

                                Filesize

                                4KB

                              • memory/4352-67-0x00000000003B0000-0x00000000003D0000-memory.dmp

                                Filesize

                                128KB

                              • memory/4352-73-0x00000000003B0000-0x00000000003D0000-memory.dmp

                                Filesize

                                128KB