Analysis

  • max time kernel
    6s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 08:41

General

  • Target

    d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe

  • Size

    2.0MB

  • MD5

    1c8124fd503c6498eb007538a1021388

  • SHA1

    ac8608d293fb8cee7e2ce7bb1c6a71e6ea897fb6

  • SHA256

    d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4

  • SHA512

    53541b37f7e65dd984c0f6cf7164e06b5e40bb72ee029e6e2716283d66162d869acaa9028258aa3eed4a3f7d799d102ff2701eb0397db97a21c6fa2072b56dbe

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ

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 4 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 2 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\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
    "C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.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:3204
    • 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:4120
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 548
          3⤵
          • Program crash
          PID:2636
      • 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:2172
        • 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:1200
        • 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:3376
          • 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:3980
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nr4g0oYQlmml.bat" "
            4⤵
              PID:460
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3904
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4256
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3840
                    • 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:4836
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HX9Qi1sXiI1m.bat" "
                      6⤵
                        PID:700
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3036
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4552
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:5036
                              • 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:1436
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 2228
                            6⤵
                            • Program crash
                            PID:4932
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3376 -s 2236
                        4⤵
                        • Program crash
                        PID:4896
                  • C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
                    "C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2404
                  • 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:4532
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4120 -ip 4120
                  1⤵
                    PID:5032
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3376 -ip 3376
                    1⤵
                      PID:2956
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3088
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:812
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2516
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 520
                                3⤵
                                • Program crash
                                PID:1768
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4088
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3624
                                • 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:1452
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 812 -ip 812
                                1⤵
                                  PID:2268
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3840 -ip 3840
                                  1⤵
                                    PID:4768
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4896
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4228

                                      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\HX9Qi1sXiI1m.bat

                                        Filesize

                                        208B

                                        MD5

                                        70df853f9f94303c09c24e0d45c664d7

                                        SHA1

                                        7963593e9f66196dd862d0bd5232899f7b5221b0

                                        SHA256

                                        8f2a8a398cb6ec5d90a3bd6f3fa7b6d51e08a445bd5101357acc589ec603f4d1

                                        SHA512

                                        033d41c094e140cf618bf7e35470403dc2bf8cdc5634a105805d4dcfafc53918221a03e2410f206f4367848626e75e991248c216829825604e42d9acc227a456

                                      • C:\Users\Admin\AppData\Local\Temp\nr4g0oYQlmml.bat

                                        Filesize

                                        208B

                                        MD5

                                        f4a9fd736aebaedfd94e60b7bee5991a

                                        SHA1

                                        c3d13da7511ef756f1b669769eea1093b50a86c3

                                        SHA256

                                        1996f4fc14ce4d1cb9dff72a1d5be49018cb8530d4b2f84cbecf325b9bc4526f

                                        SHA512

                                        8834b349284f9dbc9b82c0600795e7bd378fd9d5a6d68519e8df05be3957803a54935b2d481ddad1b9e8e5510e699c8858de09aae9874b3e69750d857874409c

                                      • 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\01-15-2025

                                        Filesize

                                        224B

                                        MD5

                                        418d5a7fc9f549618932b2e2455d67b3

                                        SHA1

                                        baeb5db2b7ad4538fcf17dc017fd733a7dd9c2f3

                                        SHA256

                                        31e5c1292f2a67877f8726daa7254cfaca5ced50ae5ad6d9f3edc48e3977c072

                                        SHA512

                                        4bf30158d1dc9971d87606bf9e967d265b4ed2fabec53ea034a53066cf013e2ec86a60b549907ba09abefcab00178486d7b45eeccefcc6e83ff3c1a74e741e43

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-15-2025

                                        Filesize

                                        224B

                                        MD5

                                        be3795324550f8082e37f2ae6276ffd3

                                        SHA1

                                        b236315ef4be20b6dff7a742a4ea484100367152

                                        SHA256

                                        b7a554a986b084e36f20e9580953f77a50d9bd846184f03b87dac26d1ea301eb

                                        SHA512

                                        ae18cfb5a7a62767ac614b580f41954ce24a96bcc5dc91dab2fb832bef338af00d6b3067a0dc9271fa1a88ef6613c917fe2928a739dc27fdc16c62627ca7c0cb

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        181e5bf97add91b3ef59583460129768

                                        SHA1

                                        4a593adeb5dc7a87c3bbaea6440c03e32d3c0d3c

                                        SHA256

                                        b9df3d904dabe814de6513c79949298221497b76ea2f36d77614209345449ca5

                                        SHA512

                                        47ed79c44fe5d8a62b89a2efe90e1384b83289c91b78e53ca28af4609ce050887305a3b6a1301f8d3c2a3642162f806b49f3773d0ae82118166dd42d03eacca9

                                      • memory/2172-29-0x00000000735AE000-0x00000000735AF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2172-36-0x0000000005290000-0x00000000052A2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2172-37-0x0000000005E80000-0x0000000005EBC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2172-35-0x0000000004D60000-0x0000000004DC6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2172-34-0x0000000004C90000-0x0000000004D22000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2172-33-0x0000000005310000-0x00000000058B4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2172-30-0x0000000000300000-0x000000000035E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2404-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2404-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3088-91-0x0000000074520000-0x00000000745B3000-memory.dmp

                                        Filesize

                                        588KB

                                      • memory/3088-88-0x0000000000920000-0x0000000000B2A000-memory.dmp

                                        Filesize

                                        2.0MB

                                      • memory/3204-19-0x0000000000E40000-0x0000000000E41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3376-45-0x00000000060C0000-0x00000000060CA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3624-80-0x00000000002E0000-0x0000000000300000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3624-74-0x00000000002E0000-0x0000000000300000-memory.dmp

                                        Filesize

                                        128KB