Analysis

  • max time kernel
    5s
  • max time network
    128s
  • 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 17:07

General

  • Target

    ad692819c344ddba7f7dbf76f8e24695.exe

  • Size

    2.0MB

  • MD5

    ad692819c344ddba7f7dbf76f8e24695

  • SHA1

    7e76d3fa4d89db8736ad98767bd1bf7e849097ce

  • SHA256

    5ff73b7c44dc2f469c16e6197a0e8b2032141b14160bed30c30c115d50a7d78f

  • SHA512

    bf031aedb08847cd478f64a88faaaeb219f571b6c1f287178e3c5438fffe05fccb5e5eda64af03881381b754f8f6a9d5ef389450fe73f6be39bcffe2df6c2da9

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

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\ad692819c344ddba7f7dbf76f8e24695.exe
    "C:\Users\Admin\AppData\Local\Temp\ad692819c344ddba7f7dbf76f8e24695.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:4508
    • 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:2596
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 548
          3⤵
          • Program crash
          PID:3228
      • 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:3896
        • 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:4672
        • 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:1444
          • 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:2328
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cYDCaEIAqQMj.bat" "
            4⤵
              PID:3872
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3652
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4880
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1536
                    • 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:4008
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MlCbyHvSPEMB.bat" "
                      6⤵
                        PID:1476
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4956
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2508
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2664
                              • 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:4824
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 2248
                            6⤵
                            • Program crash
                            PID:3496
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 2240
                        4⤵
                        • Program crash
                        PID:3256
                  • C:\Users\Admin\AppData\Local\Temp\ad692819c344ddba7f7dbf76f8e24695.exe
                    "C:\Users\Admin\AppData\Local\Temp\ad692819c344ddba7f7dbf76f8e24695.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3620
                  • 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:1568
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2596 -ip 2596
                  1⤵
                    PID:2860
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1292
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:5088
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4876
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 520
                              3⤵
                              • Program crash
                              PID:4488
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2888
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2036
                              • 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:2212
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5088 -ip 5088
                              1⤵
                                PID:4376
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1444 -ip 1444
                                1⤵
                                  PID:3800
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1536 -ip 1536
                                  1⤵
                                    PID:5100
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3596
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2184

                                      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\MlCbyHvSPEMB.bat

                                        Filesize

                                        208B

                                        MD5

                                        d8459ea456e75f35734e46176f4e19cf

                                        SHA1

                                        577cf19943661da82e84fa8ddb6c85f70bb753f6

                                        SHA256

                                        687a79060cc5073fd4625a80bec6b49b0235fd40eff5a1faa6b6b144ed58418c

                                        SHA512

                                        4e81bfb12aa27f6056bf8b6c7ef0b5eb5df4da2da720818816fbaa525a8cdcf2f4a9bc9330e34b81e1550e43ebca332c5286b3ff1a918b4d94f888197685e6de

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

                                        Filesize

                                        208B

                                        MD5

                                        891e73b2df04dddd4e8bc2a77d185101

                                        SHA1

                                        fce2d5e902994b867d96d7b85c71e12d184d3b3a

                                        SHA256

                                        564d87eff9855ff87d6639ad1141e19754a4eebe0bb30f848021afb3497e6ed8

                                        SHA512

                                        68e059408f3c8be269119e76326db22593e027a8ff13d9aa3a9876ca7e9e701cad6f87b55708f28242a9894b77408823a394541312a74469f989281123e9e032

                                      • 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

                                        4db876647b682706add5083e55eafc86

                                        SHA1

                                        924a31c08d148e858c1ed05e69a389a1b8f5cc28

                                        SHA256

                                        75b84e620e5b21fb50df1b6e881f292dcc56c989a4f30b3e35205e2080dfb9ce

                                        SHA512

                                        b42aa1eca9c4ff807b04a704395824c71992633c01dc12db09db914ca11c75ce5fcf6367b1e4ad1ed944c5a90407fa2e9ac82027791bc646c5a3510536c2e340

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

                                        Filesize

                                        224B

                                        MD5

                                        099d8c129bd460e1906cfd9ede766cd0

                                        SHA1

                                        786dac3d2ad409f488c5f6e5077f7e071919c26d

                                        SHA256

                                        f71055dc8a2f7c8027e706e331d0a06f94c4a2808b3b47697340f695f961c8bf

                                        SHA512

                                        25b010b5e377fadc337699f882946419c17bf61fc4a4d706ec7fc349c54be93c6dcdba2cd8c9ff2f7358518d8867a7dac07bcea022fb2b403438ecdbea36bbea

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        58656a2e3c3135b92cfac025d31710fa

                                        SHA1

                                        1d8a258d30d1ee305c380016411c24f83f0232fb

                                        SHA256

                                        512e5da5b8fcbd191ee23b8fa95be1983424d8f4c7b4057343ebd197dc4faeaf

                                        SHA512

                                        725d589fdc14e4dbd3eda16a2c72fa7e9972260146cadf977e6b644a3aed472da53f32065715d04cf6aeac630a59fad8e356e1c4cd87d901e80b652dbdb81cfe

                                      • memory/1444-45-0x0000000006500000-0x000000000650A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2036-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2036-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3620-29-0x00000000009B0000-0x00000000009D0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3620-22-0x00000000009B0000-0x00000000009D0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3896-37-0x00000000060B0000-0x00000000060EC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3896-36-0x0000000005B70000-0x0000000005B82000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3896-35-0x0000000004F90000-0x0000000004FF6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3896-34-0x0000000004EF0000-0x0000000004F82000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3896-33-0x0000000005310000-0x00000000058B4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3896-30-0x0000000000400000-0x000000000045E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3896-19-0x0000000072F6E000-0x0000000072F6F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4508-20-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

                                        Filesize

                                        4KB