Analysis

  • max time kernel
    6s
  • max time network
    136s
  • 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 21:24

General

  • Target

    43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29.exe

  • Size

    2.0MB

  • MD5

    09d2206da18e8d0aa8e8f5e01a3c295d

  • SHA1

    5d1a504b15ab8c7429bb8a8d7fd4c88f78ac8dea

  • SHA256

    43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29

  • SHA512

    36a08aed529321610648f0ff5ccccb68909d9ddbb32fcb870d5827cf0ba543df5235a374128c07624b6c8b572ac87e7ab242b79ebb37d567368d89321923ad2d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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 7 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\43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29.exe
    "C:\Users\Admin\AppData\Local\Temp\43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29.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:3144
    • 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:1480
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 548
          3⤵
          • Program crash
          PID:2444
      • 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:4044
        • 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:3284
        • 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:1732
          • 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:3712
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ppEE8UvA7pJN.bat" "
            4⤵
              PID:2668
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:224
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1476
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4580
                    • 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:3716
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dfpT39r4DOXs.bat" "
                      6⤵
                        PID:3040
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4340
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1440
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4004
                              • 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:3900
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 2252
                            6⤵
                            • Program crash
                            PID:2036
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 2212
                        4⤵
                        • Program crash
                        PID:60
                  • C:\Users\Admin\AppData\Local\Temp\43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29.exe
                    "C:\Users\Admin\AppData\Local\Temp\43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2924
                  • 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:3756
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1480 -ip 1480
                  1⤵
                    PID:2496
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1732 -ip 1732
                    1⤵
                      PID:3000
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2012
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4284
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3668
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 520
                                3⤵
                                • Program crash
                                PID:2480
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1780
                                • C:\Windows\SysWOW64\schtasks.exe
                                  "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
                                  3⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:1600
                                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                  3⤵
                                    PID:4140
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:3828
                                  • 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:1192
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4284 -ip 4284
                                  1⤵
                                    PID:3236
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4580 -ip 4580
                                    1⤵
                                      PID:3208
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1420
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:3572

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                          Filesize

                                          701B

                                          MD5

                                          5de8527438c860bfa3140dc420a03e52

                                          SHA1

                                          235af682986b3292f20d8d71a8671353f5d6e16d

                                          SHA256

                                          d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                          SHA512

                                          77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                        • C:\Users\Admin\AppData\Local\Temp\dfpT39r4DOXs.bat

                                          Filesize

                                          208B

                                          MD5

                                          370d929198c6bb4ba57c3a8a240dafe5

                                          SHA1

                                          f9c31d79455e6842301bc330ef44101d896e446f

                                          SHA256

                                          10d2d2302707172a250a172b3068a3fddec2507dce29d79feaf9734aee96bc70

                                          SHA512

                                          6f481db66ca9a5d91e0eb9c5bb81f0320e16a035a5a359e3c65e7233fd6f2ec710441380e285ecc2151be1ba98b46c8fea778806b0246f4765a3cb7dcb8d87a1

                                        • C:\Users\Admin\AppData\Local\Temp\ppEE8UvA7pJN.bat

                                          Filesize

                                          208B

                                          MD5

                                          11253d479370f2fed15ae86656b32198

                                          SHA1

                                          a05d3c253e6115feffcbe1cca4b96ec8e2418719

                                          SHA256

                                          90631b8ac38d7fc3df6fc806d1405e78da30869e3ce7f50d8eac087dc9f82ba7

                                          SHA512

                                          eaf994f6dab39f5b3c58053847a9bdb4cd0f76d755f5118ddf5619600adbff1f7a649dd0b152a977e92e6a0c188e76403e9b61220c23cf84ce8835a8c88d8213

                                        • 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\10-20-2024

                                          Filesize

                                          224B

                                          MD5

                                          acc7e9bbcbc02acbcf7ceaf440836fb6

                                          SHA1

                                          eb49d7e7300b54c8bdc0a6a0a3a6835f9b2e52e5

                                          SHA256

                                          88f4f9ccecb77ac8fa07cb8aa1c069aae6b1f3b8598a38e6fc819282b4b04f7f

                                          SHA512

                                          ce84349626ae31f9d4ba0c765fa4570985a3848da87e224a6c0b434d4dff56e8e1e1e347d5989d3203bf56cb67ba8a0389007bf62ee140913c2ffd2467a6cad9

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

                                          Filesize

                                          224B

                                          MD5

                                          4da993c0cc6f1ccf7a8a0fec6d35e373

                                          SHA1

                                          7c188e425eb283cdf00e84a40d03eb8e37406c00

                                          SHA256

                                          9528bfaa95d48c752fd903c15279535a8e35be4c8cf97cfc74d99af0df38fbd8

                                          SHA512

                                          eea459abf21f5b8fa174b543e8b59b7c921cfa4d849ce723a9f646c9245423bed081265881ce9a2e9ef492f739fc35987af534db8139feca7832ee4b8fe32de5

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          224df496d5f6d81839e4ec70a84955bd

                                          SHA1

                                          35f9071bef9f6c1bdb011211479f60846bca33fd

                                          SHA256

                                          e6778c3a411d731a078572fb1ca825d4fefd2202bfae9f679a548fd275cee79a

                                          SHA512

                                          ec030719560fe82a59e830751b869817ca00be233989dc67ab6c1902ffdeb5faae49fe662dfc136b2249e121e41f9da64ac999fe44e289f726afdeb3bb561005

                                        • memory/1732-45-0x0000000006290000-0x000000000629A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2924-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2924-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3144-19-0x0000000004040000-0x0000000004041000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4044-29-0x0000000072FAE000-0x0000000072FAF000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4044-37-0x00000000063B0000-0x00000000063EC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/4044-36-0x0000000005E70000-0x0000000005E82000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4044-35-0x0000000005140000-0x00000000051A6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/4044-34-0x00000000051F0000-0x0000000005282000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4044-33-0x00000000057A0000-0x0000000005D44000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/4044-30-0x00000000006F0000-0x000000000074E000-memory.dmp

                                          Filesize

                                          376KB