Analysis

  • max time kernel
    5s
  • max time network
    115s
  • 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 02:51

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    aebfef8e61872c05a551c6580c5005e4

  • SHA1

    cced57b49d887d66f58aeb851fe0cc6d20a02d39

  • SHA256

    8dc7af80c816e9ed1abfb0322e41e4033f480684d4568c9b3e6a612a41204ceb

  • SHA512

    d2e0dd2d5234e4f5f50326495da28548e37888ba763643d12304b98d951c4dcfba30e1d587067acd288acef43311de1c95d6a1a24d48cf592af535a6519054a8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

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\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:3996
    • 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:3912
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 556
          3⤵
          • Program crash
          PID:3988
      • 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:4700
        • 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:3944
        • 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:3752
          • 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:2212
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jGXXUIyDq3nG.bat" "
            4⤵
              PID:2248
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4216
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2076
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3912
                    • 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:2624
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MSOZYCE3W8K0.bat" "
                      6⤵
                        PID:2524
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3008
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2284
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2368
                              • 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:3908
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 1676
                            6⤵
                            • Program crash
                            PID:1684
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 2260
                        4⤵
                        • Program crash
                        PID:1264
                  • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
                    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1964
                  • 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:2084
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3912 -ip 3912
                  1⤵
                    PID:1888
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4308,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4280 /prefetch:8
                    1⤵
                      PID:4360
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3752 -ip 3752
                      1⤵
                        PID:3516
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:5032
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:1828
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:652
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 520
                                  3⤵
                                  • Program crash
                                  PID:4720
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:2800
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:1568
                                  • 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:5020
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1828 -ip 1828
                                  1⤵
                                    PID:348
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3912 -ip 3912
                                    1⤵
                                      PID:2356

                                    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\MSOZYCE3W8K0.bat

                                      Filesize

                                      208B

                                      MD5

                                      bd23a9d802f970b4988e8c89e6e55bd4

                                      SHA1

                                      748eadb330304f792fa9069bcac71a85f5907c35

                                      SHA256

                                      8a411e4d5d10f96fd7794914d374cd96fd11f09ce944310540172816a5f7ce8c

                                      SHA512

                                      374dd51122c1c0fd393861750c753326600d1ef7031a4a08f0a74643549bf1c2cf94e4fc468d5468fc49d4a257e0b2ec82082f9fbd1fea026ee927cd18132150

                                    • C:\Users\Admin\AppData\Local\Temp\jGXXUIyDq3nG.bat

                                      Filesize

                                      208B

                                      MD5

                                      29a71ec890a269b859dc4a08f0468239

                                      SHA1

                                      34a67cd86682f362663acf0cb64770d7c0662a00

                                      SHA256

                                      b81318aea1b57951c822435779160e3839911718d7c90de823b8a5462a5ac82d

                                      SHA512

                                      9b84ff5a948e1ea96008939b53440e9d147eb8c76a7ecd4450a3f56eb05fef61b5f69b0b792a02e19b26f3050f2bc61ddaf0828b5072bbd9ddd5a36c3a60a250

                                    • 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

                                      e1c96f98eea8cd7a45fee4823235148c

                                      SHA1

                                      84f6201ce27cb44971e71922e433732c456458a0

                                      SHA256

                                      0e6002132f9665eb50f77193a6425b842991a6d2e4339e068652a98783fe7124

                                      SHA512

                                      77b7768287681920a949e89a11b1a9ad9df65cdb0e91059064b31b7d93cdc938561bc5baece2893a35fc071398a8e4e770f4190ab72e8234197e71556ad770b6

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

                                      Filesize

                                      224B

                                      MD5

                                      c79fdb6295ae1ab2bd852b63b38091f6

                                      SHA1

                                      1f498d3697f8576a440f13892088ef970f006e7a

                                      SHA256

                                      940f36574db7d3faa93a02d2e7b82c9195b963df1dff5998f5c9f52945e4804d

                                      SHA512

                                      19e7f94ddd6161ef865d2fb49ddcce7f8ef7219eb5a774b78b0e16aafcc8692a5963ca076fc071c53025a8d1661e0fb218938d3807001b9ead4f023200a8e8c4

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      8987f83ba6c6bfade844a53e4b69ae0a

                                      SHA1

                                      614f3334a955f94ec132ed1dd16c4b3e98ec5643

                                      SHA256

                                      e5b985229a8be876c336fd51d234d9c7548342c50ccfa73e011c32f33a710651

                                      SHA512

                                      1cf8e13e67fff1494226c3ac6122693355383ab01b1da98cecbcd727bd1cd77990308892bc9ac376a2e0fe3584d369a5b7a6c0004047eb8ea4ba8ee672ac504a

                                    • memory/1568-74-0x0000000000E20000-0x0000000000E40000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1964-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1964-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3752-45-0x0000000006610000-0x000000000661A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3996-19-0x00000000046F0000-0x00000000046F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4700-29-0x0000000072FDE000-0x0000000072FDF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4700-37-0x0000000006480000-0x00000000064BC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4700-36-0x0000000005790000-0x00000000057A2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4700-35-0x0000000005340000-0x00000000053A6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4700-34-0x00000000052A0000-0x0000000005332000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4700-33-0x00000000057B0000-0x0000000005D54000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4700-30-0x0000000000900000-0x000000000095E000-memory.dmp

                                      Filesize

                                      376KB