Analysis

  • max time kernel
    6s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 19:03

General

  • Target

    aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35N.exe

  • Size

    2.0MB

  • MD5

    71254d11715816c90a2e6f5b3cd3b020

  • SHA1

    e97d074667058c075210de8cc5e8cec0277f30dc

  • SHA256

    aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35

  • SHA512

    91a9f217b39050b690ca8b299b042348b2327f93f0d03c310ed4b79df3eb3747806dfd8401a16c42bb75490e04cef508474e04509e72c6b3d3b6c6e9ad815ece

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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 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\aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35N.exe
    "C:\Users\Admin\AppData\Local\Temp\aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35N.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:4560
    • 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:3436
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 556
          3⤵
          • Program crash
          PID:2684
      • 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:224
        • 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:4512
        • 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:1760
          • 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:2508
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NKjA6ESdbMyx.bat" "
            4⤵
              PID:4388
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1340
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:432
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4464
                    • 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:3532
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\epOnw9XRHXiC.bat" "
                      6⤵
                        PID:4972
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3404
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:808
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3032
                              • 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:4440
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 2244
                            6⤵
                            • Program crash
                            PID:2756
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 2012
                        4⤵
                        • Program crash
                        PID:3944
                  • C:\Users\Admin\AppData\Local\Temp\aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35N.exe
                    "C:\Users\Admin\AppData\Local\Temp\aabf2738119a9e5ab03ccf72ee01e0fa4dae087478f1d437b0f0bbfbc412dc35N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3932
                  • 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:3532
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3436 -ip 3436
                  1⤵
                    PID:3896
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4028
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4104
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4108
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 520
                              3⤵
                              • Program crash
                              PID:744
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3456
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4444
                              • 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:4316
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4104 -ip 4104
                              1⤵
                                PID:4280
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1760 -ip 1760
                                1⤵
                                  PID:3920
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4464 -ip 4464
                                  1⤵
                                    PID:4116
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4760
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3356

                                      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\NKjA6ESdbMyx.bat

                                        Filesize

                                        208B

                                        MD5

                                        aa7042e4f07877775cb1dee05a9f56a8

                                        SHA1

                                        3696326bb8b86c8ec5574e06098633b97cd8b018

                                        SHA256

                                        e0ea24f0e4f7cbde6522c694fcbd0f152cd0110edc6829dd310035966a9c0a25

                                        SHA512

                                        3b4eea1f39c9982e94711bef6257437e793eb9f9521b92e47d948351bc005fb9683863678a1876b797f664d24a5e53ed0db2678b46068673d3d178c752892c34

                                      • C:\Users\Admin\AppData\Local\Temp\epOnw9XRHXiC.bat

                                        Filesize

                                        208B

                                        MD5

                                        99824ffc5759af8f745b534a9e4b3830

                                        SHA1

                                        e11044b16bbb63ed1e087a056186bbc5845c127e

                                        SHA256

                                        5fc0345711c832cf3869deb7a0c0700b7756fd0e33244e1d0de6c8855b4a426f

                                        SHA512

                                        593cef8aebfa18030273f0e92580f9d70d7470e14f0ccc8bd0beb5ed97ebccbb7cdb5c96e417e9fc517160421c168aeac786fa463bab476ba65c5fca1c77c342

                                      • 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\12-02-2024

                                        Filesize

                                        224B

                                        MD5

                                        c138111cf7cdf97820a16229370fc567

                                        SHA1

                                        2b9d089a2c9f7a0a94014e1d3a760dbc4f8786ac

                                        SHA256

                                        06da7b98c980e29296c9fc3d721be5cc2f8173cba25a1a297d4ab9fc259cb35b

                                        SHA512

                                        be9db1374af798fb835cd3ec9a9cad30cf847d780552dc4272a845e54d967839d49f55c9bb71b41a3eea9595954f597c4e9a74039871604466974a77e59b738b

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-02-2024

                                        Filesize

                                        224B

                                        MD5

                                        07a2524252eb7c676000c6f89dddc85a

                                        SHA1

                                        e53eeb4a381ac6f1f90eafc253aa13d0cc59735f

                                        SHA256

                                        62a715b242ad3bea4a0fb6bd8d9c72841c92edc1102adc654a861f7f9e1e3235

                                        SHA512

                                        266faa831db58b8aac6a44115e25302afdcb0e6ec6d0095bd09987cbc3fed7694714c8debcef06801df53c7a3c63d123cb13fc0e696ab689110649fd64a2f168

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        7e391512bfc4c8f8932be49a3627baa4

                                        SHA1

                                        b19d34dd74427257ac13837cd315a4bd54f8907a

                                        SHA256

                                        a0162a13c01799b2b7602f222aca5ab5f37c1a681970d2a664b61804fe8e82c2

                                        SHA512

                                        a173f9b84edebf7f0c65de5dd7a519f32ac32d538700dd970c3d92132e2e1f091ca4bf33c51e8c541cbe01b679782504a6512a267163a8498d84db038feaee40

                                      • memory/224-36-0x00000000066A0000-0x00000000066DC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/224-35-0x0000000006160000-0x0000000006172000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/224-34-0x0000000005450000-0x00000000054B6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/224-33-0x0000000005510000-0x00000000055A2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/224-32-0x0000000005990000-0x0000000005F34000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/224-31-0x0000000000B40000-0x0000000000B9E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1760-44-0x00000000061F0000-0x00000000061FA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3932-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3932-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4444-66-0x0000000000190000-0x00000000001B0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4444-72-0x0000000000190000-0x00000000001B0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4560-19-0x00000000018D0000-0x00000000018D1000-memory.dmp

                                        Filesize

                                        4KB