Analysis

  • max time kernel
    5s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 11:54

General

  • Target

    98ace9f94c3c7319003cf5bf4dd93480N.exe

  • Size

    2.0MB

  • MD5

    98ace9f94c3c7319003cf5bf4dd93480

  • SHA1

    45dc5e6152f95f6ae17028ece647ede0dbd7cead

  • SHA256

    9c0576b27ea39081f9e433870a8b276e4b6e79be1ac1a9534b0d2c5e10996af3

  • SHA512

    b5e0889cfbba00ef468e5fbd33b5344dbbfb21f05c0de0e8131df1e77b76def3a551ab5295a3a6773a085b9984afdaca2b69b361f93e93b23acb09c207ad531c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++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.

  • Quasar RAT

    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 1 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\98ace9f94c3c7319003cf5bf4dd93480N.exe
    "C:\Users\Admin\AppData\Local\Temp\98ace9f94c3c7319003cf5bf4dd93480N.exe"
    1⤵
    • 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:3400
    • 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:3048
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 552
          3⤵
          • Program crash
          PID:212
      • 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:4180
        • 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:2184
        • 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:216
          • 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:532
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat" "
            4⤵
              PID:3976
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1956
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4360
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1060
                    • 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:1948
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fQ9YTr7X2Lj4.bat" "
                      6⤵
                        PID:4928
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4396
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4592
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1136
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 1952
                            6⤵
                            • Program crash
                            PID:2056
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 2272
                        4⤵
                        • Program crash
                        PID:716
                  • C:\Users\Admin\AppData\Local\Temp\98ace9f94c3c7319003cf5bf4dd93480N.exe
                    "C:\Users\Admin\AppData\Local\Temp\98ace9f94c3c7319003cf5bf4dd93480N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3780
                  • 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:1524
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3048 -ip 3048
                  1⤵
                    PID:2012
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 216 -ip 216
                    1⤵
                      PID:2768
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2748
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1792
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4464
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 516
                                3⤵
                                • Program crash
                                PID:4124
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4576
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2952
                                • 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:528
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1792 -ip 1792
                                1⤵
                                  PID:2424
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1060 -ip 1060
                                  1⤵
                                    PID:2280
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3444
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4016

                                      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\JFbhTUKXWP0I.bat

                                        Filesize

                                        208B

                                        MD5

                                        acd66156590e3c87b46dc6f033836410

                                        SHA1

                                        dd050672d05b27d00b6f049fe5ed6e666c92f009

                                        SHA256

                                        b48cc9ed3aafda38ec0775f55ae2af73fcfd9c13b3b75e0a50582aca069bbe21

                                        SHA512

                                        66c381d1508a97d2cf8ead2978cc8cfacde8ffd20ebef077f0f4a73380eb916c06737915587c91643cfec2412d2d0905a3a9661a081b1708cf4ba5e11d47e859

                                      • C:\Users\Admin\AppData\Local\Temp\fQ9YTr7X2Lj4.bat

                                        Filesize

                                        208B

                                        MD5

                                        97ee2ac2523c101fd2096d4c4307f77a

                                        SHA1

                                        7a78e284d5231578182c47f99c85572ee12caf6d

                                        SHA256

                                        2915152b1b55a44a2dab52c05a488816504501f5b3c23763be833d0470ba9e32

                                        SHA512

                                        e93ff01dc50cbdcab49daf17c9add68dd1b32e4efe10fb8b6863cfa5ecb6d9fedb65ed92ecd13ff1862c0e2173ff3789e3882120a0fd07acf2d66f3ac60befa7

                                      • 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\09-09-2024

                                        Filesize

                                        224B

                                        MD5

                                        4162ea6a0e8726fecca39b6b85003d3d

                                        SHA1

                                        06d1ac39ffc0461f4f192f3acba3c383fc9ab33f

                                        SHA256

                                        f2421d9b2e500cdface768213813bb7b45ae6911c7ed7a82a4fbd938946f1c45

                                        SHA512

                                        67caaf7a818abd449a3eca73bde7d98d306c744e5ecc82dde5117b24bd7900b858d15b1059dc7560a69bcd30a635bab6bc74a8df08990b0d07151d2ac668b7f9

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        c18e65feda64856701f297a4b2b7e83a

                                        SHA1

                                        34fd6c9cf482afc0700b5fd79a052472f517911d

                                        SHA256

                                        8e461afdd52e113513c4956b8300e5e3e8af9e4ece4168f51221839980f40355

                                        SHA512

                                        6051e8bf0fafad14a778a5e2bb7ea61e4d93ad4209806a50ff84949fe8445204d6f8d0ef6e4021388b0a2c8174d5d08eec1b6e32254412c0399d5eb5ae6c5d98

                                      • memory/216-45-0x0000000006760000-0x000000000676A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2952-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2952-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3400-19-0x0000000001040000-0x0000000001041000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3780-28-0x0000000000800000-0x0000000000820000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3780-20-0x0000000000800000-0x0000000000820000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4180-37-0x0000000006180000-0x00000000061BC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4180-36-0x0000000005C40000-0x0000000005C52000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4180-35-0x0000000005040000-0x00000000050A6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4180-34-0x0000000004F80000-0x0000000005012000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4180-33-0x0000000005490000-0x0000000005A34000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4180-30-0x0000000000600000-0x000000000065E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4180-29-0x00000000732BE000-0x00000000732BF000-memory.dmp

                                        Filesize

                                        4KB