Analysis

  • max time kernel
    5s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 15:25

General

  • Target

    f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N.exe

  • Size

    2.0MB

  • MD5

    b7f1de7e2c05646925ec2034aade1560

  • SHA1

    207cc8a93d6300ebe4ec3e644f40efb9dce29f76

  • SHA256

    f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6

  • SHA512

    80d3f672ad0d68db8bd712a132a1f9c3026012345ead099ec65ec58ab07b5746456ae315803d2bd169d419af30b9e42d1ebd770e1120f32e95a601e733a1165f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yy

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\f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N.exe
    "C:\Users\Admin\AppData\Local\Temp\f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N.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:2184
    • 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:864
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 548
          3⤵
          • Program crash
          PID:1536
      • 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:4840
        • 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:312
        • 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:1696
          • 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:1632
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UjRCii5nLtKL.bat" "
            4⤵
              PID:396
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3236
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4240
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2744
                    • 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:4776
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kE7pYdAa144Z.bat" "
                      6⤵
                        PID:2224
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:312
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3400
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2100
                              • 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:2740
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 2240
                            6⤵
                            • Program crash
                            PID:2916
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 2236
                        4⤵
                        • Program crash
                        PID:3508
                  • C:\Users\Admin\AppData\Local\Temp\f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N.exe
                    "C:\Users\Admin\AppData\Local\Temp\f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:208
                  • 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:2540
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 864 -ip 864
                  1⤵
                    PID:1184
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3408
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4624
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1312
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 520
                              3⤵
                              • Program crash
                              PID:2616
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:368
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4184
                              • 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:2388
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4624 -ip 4624
                              1⤵
                                PID:1600
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1696 -ip 1696
                                1⤵
                                  PID:2676
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2744 -ip 2744
                                  1⤵
                                    PID:3428
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:5016
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3468

                                      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\UjRCii5nLtKL.bat

                                        Filesize

                                        208B

                                        MD5

                                        9deaea8cbb2d5a639daae563f9dc2174

                                        SHA1

                                        68085780dfe17e9781000853ee8a7d1a4c46b7e3

                                        SHA256

                                        99745910f84be55904bf3ec742f2878e34017c35a4cff3d445d169e4ee477e36

                                        SHA512

                                        3b06db0866d1c432ad5864503a7d891a632788775dd2936e77dbadf0fbcc24e5fbb57e1c91e2b0c7d0241d87a43f743fafa6944faa1b2dc952999c1988a01be2

                                      • C:\Users\Admin\AppData\Local\Temp\kE7pYdAa144Z.bat

                                        Filesize

                                        208B

                                        MD5

                                        a5289da1052c90a5a43ffd9cb90dc711

                                        SHA1

                                        966b754511dec6266b101dc6816783c99402761c

                                        SHA256

                                        f8b462c445d2b0c5842b9704aa40c7bb7ddcf3848a3c8a6bb7d3a4cd902e0b10

                                        SHA512

                                        786a7c7e4ecfb073fd65a2e36f96d006c0699986bccc66b6d82c6c5ef7fec42d889604f5361bc99396f48cc900bad389f9a439191e2779efa7a503ca1e7ea85d

                                      • 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\10-12-2024

                                        Filesize

                                        224B

                                        MD5

                                        d935135b4990bccd3b6768d7d242b167

                                        SHA1

                                        467cb8a39c23f0fb7792dde2a6ae59ed29395907

                                        SHA256

                                        e6a4497b413c1a4ebd3bf07b189fe3efb0b0f2be6257102be55f2ffa9a93b98f

                                        SHA512

                                        eca6f0c1b5fb75bbf5782fac1a298b90bf82aae5efc9af9a737e5be42f21b92566cfc7d9072ecc9d32bd908bb239e2462416bb0d2e6ee3c8d6bd95200d7d9b79

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-12-2024

                                        Filesize

                                        224B

                                        MD5

                                        2787fb294e1eb0209876032d3b24234b

                                        SHA1

                                        70b86e877b30337df6998286d1ee6cbf3036e90d

                                        SHA256

                                        73522dc5f17015859547774b0212e52774cf4831a85c05ac5e831887c2b332a6

                                        SHA512

                                        cc251cd0384e9fc846b45891b68a08578a47f03b40c1a935dcadb78d9a4a64fa055e006077b442baf8e5d346c0bf1e6805ac94e6744b5d6a647e6ce618088f8d

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        a92898100686fd550184524d22c1ef86

                                        SHA1

                                        facbde09a08dc46daa16389297df205975b9de01

                                        SHA256

                                        5ea54fced698b21d41ff66327009a1f78c8f2bde97ddb342102ada944ce91439

                                        SHA512

                                        300a24e0a779a1ac1121e1c6a0182e231c280bde91998fd3d8ee7e38a6dddc54a30bf5d7463b35b2a788939b70a7cc6f83c6dcb7caf2786a78adbdd763b14916

                                      • memory/208-20-0x0000000000820000-0x0000000000840000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/208-28-0x0000000000820000-0x0000000000840000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1696-44-0x0000000006900000-0x000000000690A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2184-19-0x0000000003B40000-0x0000000003B41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4184-66-0x00000000004C0000-0x00000000004E0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4184-72-0x00000000004C0000-0x00000000004E0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4840-31-0x00000000004A0000-0x00000000004FE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4840-36-0x0000000006020000-0x000000000605C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4840-35-0x0000000005430000-0x0000000005442000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4840-34-0x0000000004EE0000-0x0000000004F46000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4840-33-0x0000000004DC0000-0x0000000004E52000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4840-32-0x0000000005490000-0x0000000005A34000-memory.dmp

                                        Filesize

                                        5.6MB