Analysis

  • max time kernel
    6s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 19:26

General

  • Target

    9e393f8aeb6c73748ae06b533fe96af65ef0f714.exe

  • Size

    2.0MB

  • MD5

    6ffb855e6b442d215b752f28d8237f94

  • SHA1

    9e393f8aeb6c73748ae06b533fe96af65ef0f714

  • SHA256

    df0b5747d6f27b527628ca5c9fdf357d02a376956c17be4a0c82004502b4f4a0

  • SHA512

    6aad42275003bfbd0273e52e5158179dfe2892cc17bb36ac3470960be09b3995f097747c87190e505ca27f0928118220d64a76d562b026137d26d05c1fbb869a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

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\9e393f8aeb6c73748ae06b533fe96af65ef0f714.exe
    "C:\Users\Admin\AppData\Local\Temp\9e393f8aeb6c73748ae06b533fe96af65ef0f714.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:3516
    • 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:4364
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 548
          3⤵
          • Program crash
          PID:2640
      • 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:1304
        • 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:4000
        • 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:4996
          • 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:716
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WQmv0wdvAYTB.bat" "
            4⤵
              PID:4244
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3360
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:5100
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2516
                    • 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:3612
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mUX8hWWFSn40.bat" "
                      6⤵
                        PID:3184
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3028
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4556
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4292
                              • 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:4376
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 2216
                            6⤵
                            • Program crash
                            PID:1704
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 1984
                        4⤵
                        • Program crash
                        PID:1136
                  • C:\Users\Admin\AppData\Local\Temp\9e393f8aeb6c73748ae06b533fe96af65ef0f714.exe
                    "C:\Users\Admin\AppData\Local\Temp\9e393f8aeb6c73748ae06b533fe96af65ef0f714.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4320
                  • 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:3244
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4364 -ip 4364
                  1⤵
                    PID:2636
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4996 -ip 4996
                    1⤵
                      PID:1672
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2500
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2632
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4172
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 520
                                3⤵
                                • Program crash
                                PID:1252
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3744
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4064
                                • 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:2704
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2632 -ip 2632
                                1⤵
                                  PID:1900
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2516 -ip 2516
                                  1⤵
                                    PID:3332
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:632
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1828

                                      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\WQmv0wdvAYTB.bat

                                        Filesize

                                        208B

                                        MD5

                                        2868a285f72ab4dee987169bd0b9da31

                                        SHA1

                                        5afa5de063f682785e4d6098cd191d5eb284f7de

                                        SHA256

                                        bc1757626859822fa78085c9649111ae379c4037455fb4bccc24d2c77e76e586

                                        SHA512

                                        269fc04a8903520f3a8a35e83c22ce719f0e4fa9b2a40d6ab7a7f9d4c9b4c42146a14bcea47861379173bd43ef252a02943f0916fa151f463c615824ae33f30d

                                      • C:\Users\Admin\AppData\Local\Temp\mUX8hWWFSn40.bat

                                        Filesize

                                        208B

                                        MD5

                                        0b6c56041c3adea94a7fe66187b083ec

                                        SHA1

                                        9316246681926db1bd5fce005eb39e125e7b7906

                                        SHA256

                                        b90c143d897c9e6b08296d82c2346de2577fe034ae7d198499ba779c20bec395

                                        SHA512

                                        2f13bc68783c2e2b4f725d6c3a9ffd9070646abc125d418c311fd0cc1cd7c78113e4c761040bb3a3e552f1a4681107f9f0ede2fd00dfc83a9ca79bbe119f41fb

                                      • 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\09-16-2024

                                        Filesize

                                        224B

                                        MD5

                                        f8577e2370d8372cc5604fb2a82227d8

                                        SHA1

                                        807ab744c370eee22717b181fe6c4125e4c8fc82

                                        SHA256

                                        3423cfa9670751d830681b6bbf517a8d677c53406cfb34d1b058535268a53d5b

                                        SHA512

                                        60cfc3b7104c5ea6a2f9581545b6252df6669ef1e9639d117dcf800bed952a9e17c99a1e4ca561853d985d735f82c18c020209b4a493e112c19220ea0c39466b

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-16-2024

                                        Filesize

                                        224B

                                        MD5

                                        724bd23f69c7440e057545eeebd14280

                                        SHA1

                                        140839ce5b585d8dea43041d28032786b1776cba

                                        SHA256

                                        bcc284ff5fbf9e7500cfc44a8366dc5678cc75107454cf4b824c61314a05215c

                                        SHA512

                                        87ede83a929ee8231dcd1e1c6b818dcbae9df4f71109d66ba192acc1a395c239286987fe538b04f26814f4e3de80cc35c4b2a332344ef3cabcae9f9e4d6525a4

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        388f75bc3d7379761465c430c87373e3

                                        SHA1

                                        726fb9bcbd9ba43edc9c3dde85b9376a27da9985

                                        SHA256

                                        52236e133c9269902e7dbc20cf9a2600c23fe9fb441356739984a0bb86396d4f

                                        SHA512

                                        64449f804b8dbd7e30495265378c6becf9015030db31a53ddb5807e037d1450f791f6c3bde026cb56fc9b485a2eb121b24e1c778317dd4a29b7fe42fb10c38c2

                                      • memory/1304-31-0x0000000000450000-0x00000000004AE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1304-35-0x0000000005A80000-0x0000000005A92000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1304-36-0x0000000005FC0000-0x0000000005FFC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1304-34-0x0000000004E60000-0x0000000004EC6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1304-33-0x0000000004DC0000-0x0000000004E52000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1304-32-0x00000000052D0000-0x0000000005874000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3516-18-0x0000000000C40000-0x0000000000C41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4064-73-0x00000000001D0000-0x00000000001F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4064-79-0x00000000001D0000-0x00000000001F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4320-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4320-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4996-44-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

                                        Filesize

                                        40KB