Analysis

  • max time kernel
    5s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 12:13

General

  • Target

    69f4e7b672b32ab0411195e419f33290N.exe

  • Size

    2.0MB

  • MD5

    69f4e7b672b32ab0411195e419f33290

  • SHA1

    4eaa555d05b76a6e8fc8338e00f8391c376a9e09

  • SHA256

    483c866f7c07574e94715a12cfd6ea193dcb2688eb95205cdb22e7302df9bc26

  • SHA512

    a101a77844681739833983efe7fdd788bc69698c9fe7767e7b49cb56d910b350fc93b0cb907ddf417e9b6599482543931a5e6eb4128a9234fa09fbda253465cd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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 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\69f4e7b672b32ab0411195e419f33290N.exe
    "C:\Users\Admin\AppData\Local\Temp\69f4e7b672b32ab0411195e419f33290N.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:3256
    • 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:1984
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 548
          3⤵
          • Program crash
          PID:4104
      • 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:3280
        • 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:2932
        • 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:744
          • 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:1928
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OViCwtwdUTry.bat" "
            4⤵
              PID:888
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:736
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3160
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:924
                    • 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:2736
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lI5Bg7sw1N6u.bat" "
                      6⤵
                        PID:3884
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4336
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4340
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2304
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 2260
                            6⤵
                            • Program crash
                            PID:1088
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 2260
                        4⤵
                        • Program crash
                        PID:2320
                  • C:\Users\Admin\AppData\Local\Temp\69f4e7b672b32ab0411195e419f33290N.exe
                    "C:\Users\Admin\AppData\Local\Temp\69f4e7b672b32ab0411195e419f33290N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4344
                  • 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:648
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1984 -ip 1984
                  1⤵
                    PID:3592
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4440
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3564
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1180
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 520
                              3⤵
                              • Program crash
                              PID:5028
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:596
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2336
                              • 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:5092
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3564 -ip 3564
                              1⤵
                                PID:4512
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 744 -ip 744
                                1⤵
                                  PID:4548
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 924 -ip 924
                                  1⤵
                                    PID:3720
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1428
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3672

                                      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\OViCwtwdUTry.bat

                                        Filesize

                                        208B

                                        MD5

                                        74c6c177d1e993f9d8972d4ac2dbb6e6

                                        SHA1

                                        4c8020274cca564247023387cdc01f729ab52033

                                        SHA256

                                        57475d27168846af1e6c6be5172079fcb71f32bd50a765ff1598eea38ec12849

                                        SHA512

                                        0000d920b23a9ae57537ccf57e2e669e2a30669162ff16a3161893d32503bf68a31412e065d4ff6c755401eaaf431fd01cefd709a2b25ce6d9e527a56f107867

                                      • C:\Users\Admin\AppData\Local\Temp\lI5Bg7sw1N6u.bat

                                        Filesize

                                        208B

                                        MD5

                                        ddaeaa5c7a0907be1b95feb25ee65b7c

                                        SHA1

                                        e366722bb50ce444d70a81c703ef521437efa776

                                        SHA256

                                        feac67b9a51f61c6e85bf94892033f19597b220fd443869873a4b8ac14b7c6ea

                                        SHA512

                                        db4f8c3c01d69d4bf635739936a8dd777a06df8378bfcf7d56e672ecd50764ee175945d1aeae9fa8856d16a0cb5db506566e91ed94711ccfeae79479c9fcf0f9

                                      • 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\09-08-2024

                                        Filesize

                                        224B

                                        MD5

                                        d2c6366354bbd1b36a07fd251f0a89ca

                                        SHA1

                                        020de973d58d0b2de5af827a4b1e6b5eb388a79d

                                        SHA256

                                        408b92d667e2ab2a2c0501966f4c9ea46b3c20b44d4a467d7327e8ae0cf00acf

                                        SHA512

                                        91584778f4c60e605bc501a35a08c8d8940ba7501fe8e88ba3dc95245c1c4af4c9e40e2d276960199b729a1e67c14c0bdfba8605920b4780e31ba1d47854507f

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        67ce338524288ff3f77ea68781fd20fb

                                        SHA1

                                        0158419a0ef404f183bb9252ff2795d56e1bb781

                                        SHA256

                                        da5f25a0b6347d7d588688cc1898ac545f82e5505dbe933d59bd43616c2329ad

                                        SHA512

                                        acf03ac32e67599703b5bade204809adc9a54e1bddaad8a9debaf7412b93b05ed0c6b6219164a126842f606cb73ea4c3593ad594daf1a4b0d99b3f073a6a5345

                                      • memory/744-45-0x0000000006190000-0x000000000619A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3256-19-0x00000000041A0000-0x00000000041A1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3280-34-0x0000000005700000-0x0000000005792000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3280-36-0x0000000005D10000-0x0000000005D22000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3280-37-0x0000000006910000-0x000000000694C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3280-35-0x00000000057B0000-0x0000000005816000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3280-33-0x0000000005D60000-0x0000000006304000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3280-30-0x0000000000D80000-0x0000000000DDE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3280-29-0x0000000072D4E000-0x0000000072D4F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4344-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4344-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB