Analysis

  • max time kernel
    3s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 22:36

General

  • Target

    b06d58a0848ddc4e2b168fe4fcda0a3c62fabde2eaac51e78c3e7c5bc8960978N.exe

  • Size

    2.0MB

  • MD5

    e1d1b306930f0d37e44a8af0d4f64840

  • SHA1

    bd9e5677d4a83331a783e69ab742b4531bcb50b1

  • SHA256

    b06d58a0848ddc4e2b168fe4fcda0a3c62fabde2eaac51e78c3e7c5bc8960978

  • SHA512

    9923bd9e300cc8176a878b053c12400e5a49173da23d08ed0ca2efcc66eb0c74a874a7c070a5e1bf8a093da3e73c0f8bf4ffd5f10ffa506592cd2cde671c24c0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

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 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\b06d58a0848ddc4e2b168fe4fcda0a3c62fabde2eaac51e78c3e7c5bc8960978N.exe
    "C:\Users\Admin\AppData\Local\Temp\b06d58a0848ddc4e2b168fe4fcda0a3c62fabde2eaac51e78c3e7c5bc8960978N.exe"
    1⤵
    • 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:4400
    • 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:4188
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 552
          3⤵
          • Program crash
          PID:228
      • 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:3544
        • 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:2520
        • 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:1940
          • 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:3420
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\oCd1jTini3q5.bat" "
            4⤵
              PID:4432
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1388
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4972
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3612
                    • 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:452
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GnyFZTg9EfQW.bat" "
                      6⤵
                        PID:1332
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2680
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3764
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1100
                              • 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:3732
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 2236
                            6⤵
                            • Program crash
                            PID:2040
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 2260
                        4⤵
                        • Program crash
                        PID:4604
                  • C:\Users\Admin\AppData\Local\Temp\b06d58a0848ddc4e2b168fe4fcda0a3c62fabde2eaac51e78c3e7c5bc8960978N.exe
                    "C:\Users\Admin\AppData\Local\Temp\b06d58a0848ddc4e2b168fe4fcda0a3c62fabde2eaac51e78c3e7c5bc8960978N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3152
                  • 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
                    • System Location Discovery: System Language Discovery
                    • Scheduled Task/Job: Scheduled Task
                    PID:4084
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4188 -ip 4188
                  1⤵
                    PID:1844
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1940 -ip 1940
                    1⤵
                      PID:4080
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2256
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4344
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2960
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 520
                                3⤵
                                • Program crash
                                PID:1080
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2936
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2608
                                • 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:3292
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4344 -ip 4344
                                1⤵
                                  PID:2640
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3612 -ip 3612
                                  1⤵
                                    PID:3616
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1964
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3544
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:3136

                                        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\GnyFZTg9EfQW.bat

                                          Filesize

                                          208B

                                          MD5

                                          7056289d2def539eeecd3d1418916aed

                                          SHA1

                                          0fdb9c57c0f7f9b4c591a524e1ba611a341c6759

                                          SHA256

                                          f3e39b590d49786184c706e94e7395a26a699a4abc7fb414a827034f327899f8

                                          SHA512

                                          2c891e041bcf557ed6245f2b62dce8c4b1389457f0cb8e0f23720eb40594e24a59c9f697492ee19d20ab5e98d85733e455f35fdfd528643889ecc5e9fcbf9206

                                        • C:\Users\Admin\AppData\Local\Temp\oCd1jTini3q5.bat

                                          Filesize

                                          208B

                                          MD5

                                          5090b1b0bbc2c174bb557ea3c11fa3dc

                                          SHA1

                                          653067a348a351aaf6ff5e92ae960c4c97aaa1c7

                                          SHA256

                                          37e4abc72dcaec91f937b8925129b98722e101df5a2b6c35f6884beca825d21e

                                          SHA512

                                          a99388c5a8e0e107d420d93ef145910e47e7babe933dc98193f3018107f8fc2d5a40b44f38ed2bf8fef16cf83d1572881e07e5839280e943bcb48442b48807f9

                                        • 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\09-26-2024

                                          Filesize

                                          224B

                                          MD5

                                          cda08091af3ac452e987bab9d9ccd291

                                          SHA1

                                          8845f5d4c43859abd851d6092e2ac36b9590769c

                                          SHA256

                                          4fa373ddd31d28173eede9b57f0d33df82e8d2882fede411ff9d09b281275f73

                                          SHA512

                                          7686bbaceb73eef0b20fba0961481924c2f04e4c48dfbe9d726cc2a8c0bec954d8d0948618e477283171dbbfce1599748d991659a1aece4381bc4d79573cae2e

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-26-2024

                                          Filesize

                                          224B

                                          MD5

                                          7dd9de8c1b9ba4967da5ea5f6c299cfa

                                          SHA1

                                          d700962ead4e7425a2229f7a93e1e557b8bf7309

                                          SHA256

                                          a5f7db5301bd6a7da2e5c51ea9281c475476b3869c36e3fd100588559de0de6f

                                          SHA512

                                          8e1b381e04a87051cd1c1154a96d4c064dd990a6c9dfcaf2f2768f3d3a1194d2cd40dea5d79836239f57a65e8081d70534f9d81cd0fdb1a9798f387c2721a6d7

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          97c16a0b454dcac1a304e2f23b908deb

                                          SHA1

                                          b338a9379d4a36e9a89d11a044c0d38922955eaf

                                          SHA256

                                          ffce72ab1cd727376850c3fc279d8d2a4fa60edade421a528c197a91253e0bc7

                                          SHA512

                                          dc60598d54112f04bdf7ddc7513d2357f923c19fdd25b4cac0dcb8dbb29e21751904bcad6895a01e0ada3cc8d2252e7bf02fd03e7ed52c4102678dafaf166334

                                        • memory/1940-45-0x0000000006C60000-0x0000000006C6A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2608-74-0x0000000000B80000-0x0000000000BA0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2608-80-0x0000000000B80000-0x0000000000BA0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3152-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3152-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3544-33-0x0000000005110000-0x00000000056B4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/3544-37-0x0000000005DE0000-0x0000000005E1C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/3544-36-0x00000000050E0000-0x00000000050F2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3544-35-0x0000000004CD0000-0x0000000004D36000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/3544-29-0x00000000738FE000-0x00000000738FF000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3544-34-0x0000000004C00000-0x0000000004C92000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/3544-32-0x0000000000120000-0x000000000017E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/4400-19-0x0000000003850000-0x0000000003851000-memory.dmp

                                          Filesize

                                          4KB