Analysis

  • max time kernel
    5s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 01:46

General

  • Target

    877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe

  • Size

    2.0MB

  • MD5

    b83b407650a4430de314fab0699bee00

  • SHA1

    daa90ab02e6073469b64ff0ff17aeb6e11cdb6f4

  • SHA256

    877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4

  • SHA512

    4bc00830b9f31f69fe45584b06373527e0941d3a967f76ce681a05fa07b1d1f0ac7ffed1f1a926bdece3c78d6ea5d5f6b02b9ce29e97899afb4c968d850497b6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

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 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\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe
    "C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.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:4288
    • 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:1216
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 552
          3⤵
          • Program crash
          PID:2392
      • 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:4764
        • 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:4292
        • 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:4548
          • 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:3432
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yypdE20ArL7F.bat" "
            4⤵
              PID:720
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2112
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3864
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4724
                    • 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:1620
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\npQs9hw4xuMl.bat" "
                      6⤵
                        PID:4512
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2836
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1200
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:5092
                              • 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:628
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 2204
                            6⤵
                            • Program crash
                            PID:4904
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1968
                        4⤵
                        • Program crash
                        PID:3192
                  • C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe
                    "C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3024
                  • 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:3192
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1216 -ip 1216
                  1⤵
                    PID:5024
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1568
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2288
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4412
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 520
                              3⤵
                              • Program crash
                              PID:4852
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1428
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3532
                              • 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:3856
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2288 -ip 2288
                              1⤵
                                PID:1624
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4548 -ip 4548
                                1⤵
                                  PID:1080
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4724 -ip 4724
                                  1⤵
                                    PID:1600
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4764
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4836

                                      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\npQs9hw4xuMl.bat

                                        Filesize

                                        208B

                                        MD5

                                        b878c9dc321b853ecdc6b34baf0b509a

                                        SHA1

                                        9fa47cc1c874970d494856ac1a1770095cd1b024

                                        SHA256

                                        a5513655b10deabb765d7ac509c2374619bb8b18710edabcdb5fedb81f283ae2

                                        SHA512

                                        5f9cb876e016b15d91cf64092d1da26e8d7d57adacd75fa5b87019dfcd475bf673689e6aa51611072fc4526a22c27c76b893a1091768295903dfd26f4111fa58

                                      • 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\Local\Temp\yypdE20ArL7F.bat

                                        Filesize

                                        208B

                                        MD5

                                        d5c798026fe35a78e0d0d7cf6505ee8c

                                        SHA1

                                        99d15ee1cec9db8c0417562cc9aac13fbdc9d642

                                        SHA256

                                        a12cc1c73c4efd77a29409f54ce735576b8e276001318a2e941083cc41fb6169

                                        SHA512

                                        3b5c053afd21613dad2e5934bfc603405d3ebf72ba8066fd387408a6f7fa98cfac30838885d85c83ff4156867283d8eabdbce82071c0550150e2b09afdb579eb

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-31-2024

                                        Filesize

                                        224B

                                        MD5

                                        aac5916e7278b71dd38fe3e0d6a539ef

                                        SHA1

                                        aa8d58c40fe2da7c96f03f506806b0bac6c1baba

                                        SHA256

                                        303520dcc84aeda4e749db040bb72dce57a6c43cdf49a50cb691e9e5ffb12d86

                                        SHA512

                                        763f65bb384c4a8ebf3d570fca0617c962b46395b3d649c387b8b14216f357aef8c75a9df3f30c3d3b59467f7deb2542cb67c4cb954b147d0f7875c8d1b6a029

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-31-2024

                                        Filesize

                                        224B

                                        MD5

                                        26c67f5f162ca50c3ae13fe4640857d0

                                        SHA1

                                        d1c6d711a4782fb81a9503f4f8dda5e9625c6b7a

                                        SHA256

                                        09cb2f9b95aa582d3fda91fb2815bc0039e69919ce4e2a49e8b9fa1085ba6604

                                        SHA512

                                        0aa8c72a996395c763912a4f9204df0cd6e7805f9843adddce307cdd775daadff65398837a4c1b0af0622bf79029e09962e0490f4133dae986b217a812867736

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        e9cd32bcd7b80c49f4d08e1541d5dd18

                                        SHA1

                                        d0b639e9253858334a1b3f7571ce4fb2d342d1b0

                                        SHA256

                                        e506c67548627db0ec69eb96190abf8b3cd0fdc4aca5051a72316328024351a3

                                        SHA512

                                        88886af9207a39710a778d1794a2041042b0bbd64ea94c006f96767b7c9bafc0b7a1803fa1907306969de1a8b6307804dca0b8c7bfd4890ef57970ea718a8073

                                      • memory/3024-28-0x0000000000120000-0x0000000000140000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3024-20-0x0000000000120000-0x0000000000140000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3532-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3532-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4288-19-0x0000000003990000-0x0000000003991000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4548-45-0x00000000068C0000-0x00000000068CA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4764-29-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4764-37-0x0000000005DF0000-0x0000000005E2C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4764-36-0x00000000051F0000-0x0000000005202000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4764-35-0x0000000004C90000-0x0000000004CF6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4764-34-0x0000000004BD0000-0x0000000004C62000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4764-33-0x0000000005240000-0x00000000057E4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4764-30-0x0000000000130000-0x000000000018E000-memory.dmp

                                        Filesize

                                        376KB