Analysis

  • max time kernel
    5s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 12:34

General

  • Target

    d789d7e2f218c985bf223d7d8fb12e64d614d5cf56cdf7c38d6162bdef6363e9.exe

  • Size

    2.0MB

  • MD5

    619f43958fc43d833ae6656d22bb7844

  • SHA1

    191bdceee52c554dc3b50a6337c51fa332d199c4

  • SHA256

    d789d7e2f218c985bf223d7d8fb12e64d614d5cf56cdf7c38d6162bdef6363e9

  • SHA512

    533283101ac7e1d3837cc0bbec280ec414aa80cacc96248d5468d2a311041cdc21576e8130625bf2e3c5ed9978b8b535f1460e8709124166dd4d19f5ddeb22e1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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

    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 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\d789d7e2f218c985bf223d7d8fb12e64d614d5cf56cdf7c38d6162bdef6363e9.exe
    "C:\Users\Admin\AppData\Local\Temp\d789d7e2f218c985bf223d7d8fb12e64d614d5cf56cdf7c38d6162bdef6363e9.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:2508
    • 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:820
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 548
          3⤵
          • Program crash
          PID:1148
      • 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:1032
        • 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:3708
        • 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:3780
          • 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:760
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\frcssbLAGRPV.bat" "
            4⤵
              PID:1484
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1756
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2132
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2028
                    • 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:1160
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0sF2GTCM9OjY.bat" "
                      6⤵
                        PID:4140
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1844
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4108
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 1616
                          6⤵
                          • Program crash
                          PID:664
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2232
                      4⤵
                      • Program crash
                      PID:3388
                • C:\Users\Admin\AppData\Local\Temp\d789d7e2f218c985bf223d7d8fb12e64d614d5cf56cdf7c38d6162bdef6363e9.exe
                  "C:\Users\Admin\AppData\Local\Temp\d789d7e2f218c985bf223d7d8fb12e64d614d5cf56cdf7c38d6162bdef6363e9.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3872
                • 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:4968
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 820 -ip 820
                1⤵
                  PID:2172
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3780 -ip 3780
                  1⤵
                    PID:1644
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3720
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4192
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1564
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 520
                              3⤵
                              • Program crash
                              PID:3792
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:8
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:624
                              • 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:3460
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4192 -ip 4192
                              1⤵
                                PID:2140
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2028 -ip 2028
                                1⤵
                                  PID:2212
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:1728
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4164
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3192

                                      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\0sF2GTCM9OjY.bat

                                        Filesize

                                        208B

                                        MD5

                                        6246e7c0bd800ac50d2a4767cb4162e5

                                        SHA1

                                        451ebf06f955e8fe77ff4f22e8e6c1e0eec2b559

                                        SHA256

                                        3485ad54ed65059993d4b3515d6f62d8e20383134965951f5647c4eb31b11af0

                                        SHA512

                                        e1724fbf6a7d62acff0fa1f33e6b81ca6d54c3a5caf77a6a6c5172dfd9c1ba404f0d43b3cfa63dc6098ef975856786fa48fd9de20d2381816b8fb97dd539afe6

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

                                        Filesize

                                        208B

                                        MD5

                                        1106c64f550db1aa0db38670d4abef76

                                        SHA1

                                        fd6beedfa0b2e6a6503beeae0684074e60f402b5

                                        SHA256

                                        6282dc527e5e1d8a07fea3c28e197f4feb383a1f1b7496e7952935ba85a6dfec

                                        SHA512

                                        18106ecf0284c80bbd114a0e7f7e7705faf8fac8ee1e514b7e6f8bf18142d8e90b536832447f5029e6f9311bae0875302c34b68d6964b46ef3fd983c316361e6

                                      • 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\12-05-2024

                                        Filesize

                                        224B

                                        MD5

                                        865a4e344676cd9dae1ae35757db8f37

                                        SHA1

                                        a62010a91ebdf916e13df60f890efbbed2de7ec5

                                        SHA256

                                        a23f5bd41140dfb401db58f5a1814838c51eabac750e4d7ebba4ebe7ff9b6ba2

                                        SHA512

                                        693376c45553eaf43944615efcc67dfa77159de81e5a6db0739870ffceb495129f0ea489175b6a747f6984e1d4cc617d3589f8d063147d1d467d06e9d3cf50d7

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        18e5c62a312d92dcddbe8be8d6744e75

                                        SHA1

                                        abeb0ab2258dd15bd40bd73eae0856541b4d90a2

                                        SHA256

                                        a89a2642e1a8437d99b7afb3f867aa1c86d4d6f22b4f44fe13cbacefe8fb76e2

                                        SHA512

                                        5e51fe342305c405790ba0b83b33912c5623476580f91372c75d1f469a09e3e701cab17ca0d16376bd4c9be88169bf0f780c028d89ba75e8d37ea89f88c4c942

                                      • memory/1032-32-0x00000000004E0000-0x000000000053E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1032-34-0x0000000004EB0000-0x0000000004F42000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1032-35-0x0000000004F50000-0x0000000004FB6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1032-36-0x0000000005B10000-0x0000000005B22000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1032-37-0x0000000006050000-0x000000000608C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1032-33-0x0000000005460000-0x0000000005A04000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1032-29-0x0000000072CFE000-0x0000000072CFF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2508-18-0x00000000039F0000-0x00000000039F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3780-45-0x0000000006000000-0x000000000600A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3872-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3872-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB