Analysis

  • max time kernel
    5s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 02:58

General

  • Target

    9fa318cb2c70bee831d5b90995440a761475fd009c365a38ccff54b0bbb30c35.exe

  • Size

    2.0MB

  • MD5

    501808bb1c3e0cfb633963fc6b73c1d4

  • SHA1

    b872efdbbd6b18a6f15942204443529c8bcf87e6

  • SHA256

    9fa318cb2c70bee831d5b90995440a761475fd009c365a38ccff54b0bbb30c35

  • SHA512

    76f58b21b8596e8c4db3979728bfb0e97ae9632b52df2687929ba380b9fea777c77f19c906462aed08ac27a220f33117e674be422d8e7826ed586e552c9083b3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

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

    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 1 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 3 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 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\9fa318cb2c70bee831d5b90995440a761475fd009c365a38ccff54b0bbb30c35.exe
    "C:\Users\Admin\AppData\Local\Temp\9fa318cb2c70bee831d5b90995440a761475fd009c365a38ccff54b0bbb30c35.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:3224
    • 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:4700
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3672
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 548
          3⤵
          • Program crash
          PID:3512
      • 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:2300
        • 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:1156
        • 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:4084
          • 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:4260
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4QO6iqFaFqw1.bat" "
            4⤵
              PID:2056
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:232
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1620
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1320
                    • 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:3380
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 2228
                  4⤵
                  • Program crash
                  PID:1968
            • C:\Users\Admin\AppData\Local\Temp\9fa318cb2c70bee831d5b90995440a761475fd009c365a38ccff54b0bbb30c35.exe
              "C:\Users\Admin\AppData\Local\Temp\9fa318cb2c70bee831d5b90995440a761475fd009c365a38ccff54b0bbb30c35.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4404
            • 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:4804
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4700 -ip 4700
            1⤵
              PID:3664
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:4580
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:5076
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:3716
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 520
                        3⤵
                        • Program crash
                        PID:1544
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:1236
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:2432
                        • 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:3668
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 5076 -ip 5076
                        1⤵
                          PID:2744
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4084 -ip 4084
                          1⤵
                            PID:4312
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:4988
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:1040

                              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\Temp\4QO6iqFaFqw1.bat

                                Filesize

                                208B

                                MD5

                                ed727a136bd407f2a61a87af4c1e6ef3

                                SHA1

                                328bcd28ca73214201f036e5efcffefc28178f79

                                SHA256

                                df6f7ca4950e249eeabc3c171b893a146fa07df5ed898e44b51179958275fd9b

                                SHA512

                                07d227607576410eea83607398ba5d2f607f1a11b961e341bc6f2b768c5fcaee088032a770fff59b3d0377511bd73092b6c3a4d9688c6f1be9fc934d45b65637

                              • 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\08-17-2024

                                Filesize

                                224B

                                MD5

                                5ad5ccdc2f03ea9a44235a997d0b567e

                                SHA1

                                5f05fdab1621353c0e70859d38d3892a9029d927

                                SHA256

                                b2f4f00c4cd917b044693c8737ee5cd423180937de511d4a6fae2c557880ac5d

                                SHA512

                                265adad0166e839a7c0c1eb79b780f7b982ef1d817b84cb4bbb2d155cadac80d8328a7a002fc6eee91c731f6ad221562779bfc9e64b521a7817bd390785a76e9

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

                                Filesize

                                2.0MB

                                MD5

                                966ab79ab5810b41614a527eccaf10a0

                                SHA1

                                8aec94b25c58d0634c7a2410e188f1e3be234236

                                SHA256

                                93456059679d0227b23f4390f436c701501443f58695c4cd34d5d70b16e250c6

                                SHA512

                                1e2b69672d6cbc44f2e7d7d07ed71e241155e1f758daaa89c171af97c77c1021703f32ceb8869a2ebe787a365c54c63c986ff2bb3924b86b1d457299499370d7

                              • memory/2300-30-0x0000000000810000-0x000000000086E000-memory.dmp

                                Filesize

                                376KB

                              • memory/2300-33-0x00000000056E0000-0x0000000005C84000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/2300-34-0x00000000051D0000-0x0000000005262000-memory.dmp

                                Filesize

                                584KB

                              • memory/2300-35-0x0000000005270000-0x00000000052D6000-memory.dmp

                                Filesize

                                408KB

                              • memory/2300-36-0x0000000005690000-0x00000000056A2000-memory.dmp

                                Filesize

                                72KB

                              • memory/2300-37-0x0000000006390000-0x00000000063CC000-memory.dmp

                                Filesize

                                240KB

                              • memory/2300-29-0x0000000072E2E000-0x0000000072E2F000-memory.dmp

                                Filesize

                                4KB

                              • memory/3224-19-0x00000000024B0000-0x00000000024B1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4084-45-0x0000000006A30000-0x0000000006A3A000-memory.dmp

                                Filesize

                                40KB

                              • memory/4404-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/4404-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB