Analysis

  • max time kernel
    6s
  • 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
    17-09-2024 11:11

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    1e2b7b1ca63b533966c2453a24de87fb

  • SHA1

    87060ecd4c80eec66778a34855ac1c3139099c12

  • SHA256

    f053cf380265233a2ffe687d67d37804026ec05dff33d597fc3fcf6d6e56655d

  • SHA512

    95c115237fe7f38f7edcd24c21e36ceb515a7cbae8646c36b5b7d5b56d5e706f94d50e22918f9ab41bf88d36ce793ddcc089eaac97e999ba1467082e0bd14831

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 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\SystemPropertiesPerformance.exe
    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.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:4280
    • 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:3676
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 548
          3⤵
          • Program crash
          PID:2704
      • 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:2840
        • 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:4272
        • 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:4972
          • 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:2288
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\rssPnYikHaTf.bat" "
            4⤵
              PID:4108
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1688
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3744
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3520
                    • 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:2328
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\M37yHyevu3bb.bat" "
                      6⤵
                        PID:664
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:5052
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:396
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1112
                              • 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:3992
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 2212
                            6⤵
                            • Program crash
                            PID:4636
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 2256
                        4⤵
                        • Program crash
                        PID:208
                  • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
                    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2916
                  • 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:5028
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3676 -ip 3676
                  1⤵
                    PID:4976
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4972 -ip 4972
                    1⤵
                      PID:3556
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:400
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2712
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2984
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 520
                                3⤵
                                • Program crash
                                PID:1704
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1360
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4232
                                • 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:4576
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2712 -ip 2712
                                1⤵
                                  PID:4396
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3520 -ip 3520
                                  1⤵
                                    PID:3380
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2420
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4320

                                      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\M37yHyevu3bb.bat

                                        Filesize

                                        208B

                                        MD5

                                        e8f5d175a048a406842e288d0f232732

                                        SHA1

                                        43c66a9a3ce33c03401e01cf644ce27bbc178862

                                        SHA256

                                        b981b1f6600778288db7106ab3b229f7c9f01cd9930e726246d44b077ba44052

                                        SHA512

                                        e11412a32b350376189278dc43fb457adeca8887ea246d941ebcb3cbcb0bbbe2e83dd7b01fdb9bd6bca1b6a905ae5ff0a24607943a2b82353e893aeb1d803f66

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

                                        Filesize

                                        208B

                                        MD5

                                        0afbd614f0dfd4776b5edc96ca79a6df

                                        SHA1

                                        ba248f811e2b23fe589cbacad9db36e6b3416707

                                        SHA256

                                        deab3ea02500d5a7b18fb80323821388ff781d02c3b29d49c64b366dd8e6d2d3

                                        SHA512

                                        33f35766361d6e2a101ef79f256412e4d958f1677000ad8cb94c6a793fac4a19eccf8db148f5a9a38133020d3d7ed9a20381ea795f67468df09de4cf410e500c

                                      • 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\09-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        1873987960a8de1ab47354c346fc22a5

                                        SHA1

                                        7e0dbbc389e8c67331651e699b93100caed89579

                                        SHA256

                                        f3f1c6185c32a998caef5fe7c615cea1a3786482d879ff68b59abf0259d7a4e1

                                        SHA512

                                        5c4f4ca1ad2f9124a548a0ff424a3c2d6da97d3ba43fcd472ee03e33fcfe4984c415d2f8741ae4281f118d964275968f505c32e6c5d5c06428653563a3e22266

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        8862ad7bf0adb0be48ec0a8a16dd06b5

                                        SHA1

                                        d4402455ffa494237908c253d31793881dcf3c2a

                                        SHA256

                                        87c7df1db7c3a6c5232ddf3d3fce2f49714f4908a2e6f16f1ddfc35c9c5ce336

                                        SHA512

                                        b2615a414f26b2b6e0a6903d4a0d241fd069e60a3c76cdf0041eaec21dc27200ad822ba12a766861772176786a9895dde43eec917f7133b37b165f6fd54594bb

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        b52c65f1d4026b723dd58b734ff7821f

                                        SHA1

                                        adf303f6d23c3282df68eb9dcf11bb5595b03d69

                                        SHA256

                                        7426d09dd9ec688c100cb4fb8e6e156e256cd41df900d02a9ecf7b3c3f6face3

                                        SHA512

                                        1fecf373b3ded2c3f08366b2357df539ddbf1b22992390b4d4b902ccfcacf5e4de707fde6f50e4f5d90bcff110602b1c98b973fb8fd37a842057e0dcefa25cc2

                                      • memory/400-88-0x0000000000230000-0x000000000043A000-memory.dmp

                                        Filesize

                                        2.0MB

                                      • memory/2840-29-0x000000007355E000-0x000000007355F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2840-36-0x0000000005540000-0x0000000005552000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2840-37-0x0000000006240000-0x000000000627C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2840-35-0x0000000004FA0000-0x0000000005006000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2840-34-0x0000000004ED0000-0x0000000004F62000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2840-33-0x00000000055D0000-0x0000000005B74000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2840-30-0x0000000000470000-0x00000000004CE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2916-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2916-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4232-71-0x0000000000C20000-0x0000000000C40000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4232-77-0x0000000000C20000-0x0000000000C40000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4280-19-0x0000000003A00000-0x0000000003A01000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4972-45-0x0000000006A90000-0x0000000006A9A000-memory.dmp

                                        Filesize

                                        40KB