Analysis

  • max time kernel
    5s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 04:00

General

  • Target

    cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe

  • Size

    2.0MB

  • MD5

    504cf9feb93d2675977bc11db8929172

  • SHA1

    50b1f0258a439e42608e039260d6a098283b2197

  • SHA256

    cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726

  • SHA512

    d5c9e98458ccdb62c7291d9e59c446292d4d88a71c0d0b7e43edac236698b1fc1c0c81afa6e6985f812bee816fc1da1d30a16c4866c9b34fdbcbd43e13223789

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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 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\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe
    "C:\Users\Admin\AppData\Local\Temp\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.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:2808
    • 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:1672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 548
          3⤵
          • Program crash
          PID:3592
      • 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:4284
        • 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:4208
        • 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:1484
          • 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:2872
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HTCHpcWsRJJp.bat" "
            4⤵
              PID:1316
              • 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:4456
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3772
                    • 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:2688
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\n6MFRNeXTjbA.bat" "
                      6⤵
                        PID:2276
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4492
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2072
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4656
                              • 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:3696
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 2220
                            6⤵
                            • Program crash
                            PID:4916
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 2236
                        4⤵
                        • Program crash
                        PID:1732
                  • C:\Users\Admin\AppData\Local\Temp\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe
                    "C:\Users\Admin\AppData\Local\Temp\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4836
                  • 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:2640
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1672 -ip 1672
                  1⤵
                    PID:1468
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1484 -ip 1484
                    1⤵
                      PID:4344
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3152
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4804
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3820
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 520
                                3⤵
                                • Program crash
                                PID:4648
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2408
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3060
                                • 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:460
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4804 -ip 4804
                                1⤵
                                  PID:1896
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3772 -ip 3772
                                  1⤵
                                    PID:740
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4140
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3928

                                      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\HTCHpcWsRJJp.bat

                                        Filesize

                                        208B

                                        MD5

                                        ae917a1834d0813bdca2ce8a6f20fc6a

                                        SHA1

                                        679c1fac193d819227023e4448b15a698f89c754

                                        SHA256

                                        e393647ec56e6254f5e3074a7d440cc56373181c219881fe50b23b7fc97f8053

                                        SHA512

                                        649a543f4840809f234974c7ad385dfaacccda1fd90c1fda3b8f243ec2fea455ce1319040ef92a9af1eb84e86d15642bdc84ce9870634aa91a713272e6ccf877

                                      • C:\Users\Admin\AppData\Local\Temp\n6MFRNeXTjbA.bat

                                        Filesize

                                        208B

                                        MD5

                                        0dd8fe43cde8977a22a73415e6587190

                                        SHA1

                                        f09b33fe3af0eb3920a782ae0a93f46dc0d52dde

                                        SHA256

                                        dac7e31a6528600236eba246666051a7c89baedff5793bae34323eb2c7b2756a

                                        SHA512

                                        c95a43e718d9e2325d41f30e0f542647b3bf7493a5f0ca8f4d5983b5a2e481d65ae87a07ba461cf84702c7796d16efe0e7a92393009ae7b652112dac46226727

                                      • 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\11-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        6e5970da888417e91e93c45bea70e4a0

                                        SHA1

                                        fc0e8db1ddf85703ec137528d5adb3d9632fddf8

                                        SHA256

                                        164eadd6ac975c0a4dd61f6f5dfacc8a636911ab99aee11eb225cf96fb8ccb23

                                        SHA512

                                        abbd2cc3ddd4464ed9686a6467eaad989405a8de629946f2ec5175711123856bfabad5310d6bcf14c8a922b50eb6fdb0ba8713d57e1c8fd010a85906a8cb4295

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        1f0c5000e52c73da6721303fd4f63719

                                        SHA1

                                        0bccf6804d93667f42716babc34e407e74e17dc2

                                        SHA256

                                        be49ef72c587afe4bb504c3bff1034970d60d380a01a4c45aa75c8825449606d

                                        SHA512

                                        c6b30e905355e8cdae19abd2cc873bec4876fcc0874198aace86110c14894762af9030d882b4978681adb6490b219c0126524abad6a3bfbd85f2450feba74c8d

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        c8863e6141b5cc79860fe54dbd2ce13f

                                        SHA1

                                        38a32142b17b159da279f8241c6c0352187ce371

                                        SHA256

                                        000f5b041555678eeba89e874c944bcc27f70bee2935fbdb3f4a19526dbf8ba0

                                        SHA512

                                        bb848dee6a8edd114fd5f8894be16a12e7a674d6529c0c0d8159b105bb4afc2df8f1e940f69d8a72c540da5e69311fc64d56c84ae124e8537f9190197f8aaab3

                                      • memory/1484-45-0x0000000006240000-0x000000000624A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2808-20-0x0000000003520000-0x0000000003521000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4284-34-0x00000000050C0000-0x0000000005152000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4284-37-0x00000000063C0000-0x00000000063FC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4284-36-0x0000000005E80000-0x0000000005E92000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4284-35-0x0000000005160000-0x00000000051C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4284-33-0x00000000055D0000-0x0000000005B74000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4284-30-0x0000000000750000-0x00000000007AE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4284-19-0x0000000072CFE000-0x0000000072CFF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4836-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4836-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB