Analysis

  • max time kernel
    4s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 11:10

General

  • Target

    5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe

  • Size

    2.0MB

  • MD5

    11f55f9ee5e486b1a56bf4e3cd1fe25f

  • SHA1

    626ee2b115753567fa46252f96b814ea7fc8b771

  • SHA256

    5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475

  • SHA512

    bc467c5b7ec0b9423fd339e97b3e4f628c78ec38406fb37718b8a862942754922a347acddc5e0564a21f850a2dc6154f2c6d5826250ae17e4283cb5ad576fd06

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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

    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 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\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe
    "C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.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:2012
    • 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:3820
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 548
          3⤵
          • Program crash
          PID:3428
      • 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:3572
        • 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:4068
        • 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:2176
          • 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:4828
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5kHp91gOlxEl.bat" "
            4⤵
              PID:2908
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4620
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2356
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4396
                    • 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:3812
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 1972
                  4⤵
                  • Program crash
                  PID:4056
            • C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe
              "C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3360
            • 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:4860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3820 -ip 3820
            1⤵
              PID:2036
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2176 -ip 2176
              1⤵
                PID:4216
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3956
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1016
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:1984
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 520
                          3⤵
                          • Program crash
                          PID:3476
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:3364
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:816
                          • 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:4016
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1016 -ip 1016
                          1⤵
                            PID:2456
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2760
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:1612

                              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\5kHp91gOlxEl.bat

                                Filesize

                                208B

                                MD5

                                e51785c776333003e8e9e5e4c61283f5

                                SHA1

                                08e6be54c13f70c2e792ea62369a40d22af9d829

                                SHA256

                                d7776b7c5cd88ef615bdc2a8a14cd473ce3caea9c6d43afae7835f5e53d8cecd

                                SHA512

                                5abce39b332c373ce0b5d80a75478497cf3ca89ba885e54446e68a024e2573aff0bb5952e74e4ccaab6c35cb5db6ecc4c7c29ab4e80fc6f64a450899127a9e3e

                              • 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\01-16-2025

                                Filesize

                                224B

                                MD5

                                41d1dd114a435a71f9e9d5d2df6e0481

                                SHA1

                                8471bb837575fdce521e5e658f1d26ae37c4bc5a

                                SHA256

                                231c8bd34a4efac1ddb38eb7ec6b745914ab6df63ee41b20d8d078b2469eee5d

                                SHA512

                                8940fff39c9929d002e63b6e7840176e74415e75488cb663792772c2d486edf46a3f04b2af365daad7830b296e2b70eb4ffc3991444a1c7444d05fa2d15e4603

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

                                Filesize

                                2.0MB

                                MD5

                                a19d2ce147610c107c0b40b662d4d066

                                SHA1

                                bd96b6d63c3abc77f31eb673415077ecba4e787b

                                SHA256

                                6a30ff80699f91ba8c004efc4ecd5076a2629407cd39435613ff912a94f82c0e

                                SHA512

                                0420cc6707cb25a219f9215794e704110e6a3a32f83053fe2192605b347274a6a207589bd63984df0a28add0e2661fbc5b6ef5f4645a159e4bf789753493e9ba

                              • memory/816-80-0x0000000000320000-0x0000000000340000-memory.dmp

                                Filesize

                                128KB

                              • memory/816-74-0x0000000000320000-0x0000000000340000-memory.dmp

                                Filesize

                                128KB

                              • memory/2012-19-0x00000000041E0000-0x00000000041E1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2176-45-0x0000000006590000-0x000000000659A000-memory.dmp

                                Filesize

                                40KB

                              • memory/3360-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3360-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3572-37-0x00000000068A0000-0x00000000068DC000-memory.dmp

                                Filesize

                                240KB

                              • memory/3572-36-0x0000000005AA0000-0x0000000005AB2000-memory.dmp

                                Filesize

                                72KB

                              • memory/3572-35-0x00000000056F0000-0x0000000005756000-memory.dmp

                                Filesize

                                408KB

                              • memory/3572-34-0x0000000005650000-0x00000000056E2000-memory.dmp

                                Filesize

                                584KB

                              • memory/3572-33-0x0000000005B10000-0x00000000060B4000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/3572-32-0x0000000000BE0000-0x0000000000C3E000-memory.dmp

                                Filesize

                                376KB

                              • memory/3572-29-0x00000000731AE000-0x00000000731AF000-memory.dmp

                                Filesize

                                4KB