Analysis

  • max time kernel
    5s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 23:02

General

  • Target

    9c6991deb2d8444a6a048819f8ab9d6cde0bf033f996d53966a9b13b2400b37c.exe

  • Size

    2.0MB

  • MD5

    8630a1e2d25b072c1a494261da7615e8

  • SHA1

    dcc0304c0a35cdac3695e00b649ec129d967c1ea

  • SHA256

    9c6991deb2d8444a6a048819f8ab9d6cde0bf033f996d53966a9b13b2400b37c

  • SHA512

    c590518b4fe6875d62e58c00397640b98b6e33f97e08cd37ba17f91461ef7f133e331b2a33367485a9bb6de72e2696a2edcfb6a3c3d84edd0d9a259ff67c3288

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

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 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\9c6991deb2d8444a6a048819f8ab9d6cde0bf033f996d53966a9b13b2400b37c.exe
    "C:\Users\Admin\AppData\Local\Temp\9c6991deb2d8444a6a048819f8ab9d6cde0bf033f996d53966a9b13b2400b37c.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:4800
    • 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:376
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 540
          3⤵
          • Program crash
          PID:4148
      • 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:312
        • 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:2836
        • 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:3376
          • 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:4020
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8fAESjbFe4ZH.bat" "
            4⤵
              PID:1752
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4520
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4500
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1200
                    • 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:2736
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RHoloiRP39jZ.bat" "
                      6⤵
                        PID:2032
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2852
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4520
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2600
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 2252
                            6⤵
                            • Program crash
                            PID:1636
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3376 -s 1108
                        4⤵
                        • Program crash
                        PID:4704
                  • C:\Users\Admin\AppData\Local\Temp\9c6991deb2d8444a6a048819f8ab9d6cde0bf033f996d53966a9b13b2400b37c.exe
                    "C:\Users\Admin\AppData\Local\Temp\9c6991deb2d8444a6a048819f8ab9d6cde0bf033f996d53966a9b13b2400b37c.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4300
                  • 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:4996
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 376 -ip 376
                  1⤵
                    PID:1744
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3376 -ip 3376
                    1⤵
                      PID:1736
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2504
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3176
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2456
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 520
                                3⤵
                                • Program crash
                                PID:3324
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2260
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3944
                                • 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:5092
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3176 -ip 3176
                                1⤵
                                  PID:2844
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1200 -ip 1200
                                  1⤵
                                    PID:5024
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4620
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4352

                                      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\8fAESjbFe4ZH.bat

                                        Filesize

                                        208B

                                        MD5

                                        75bd657851428dccd35162ae57b62429

                                        SHA1

                                        0ce567add6d0973434192bf71f66f7baa3fa84b0

                                        SHA256

                                        faf06a39a3cee43b4d9a2bdec8389eddf5c34670d4c8eb6c5cbc3b0fa7cb1e84

                                        SHA512

                                        8bba9184b0ea1c990c863e5313fd431b43657ab2a9db4714e096ee2fe90260f2bb36e4a9f4b83dfcca86bb6ff5ab88cb86d5129cafe3ad629a2923591c7a3f67

                                      • C:\Users\Admin\AppData\Local\Temp\RHoloiRP39jZ.bat

                                        Filesize

                                        208B

                                        MD5

                                        f6d53d5b878dc70d4e6df6122927f9cd

                                        SHA1

                                        0d9e1a31600d649f8ecf290c61fb039f615dcd82

                                        SHA256

                                        7bcba47ddaf3ca678245ff6dcef4b5b969321c0f27c3438ca4b47a862ceac723

                                        SHA512

                                        997e77faaff2bc7d4fbfacb9b51066c4c56e66dfd9f917a1c887f35b8c69382e45f32b3525a25c35fdba299a7d73763ab50726d148c250e45cdbd2d5bbadfd25

                                      • 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\08-12-2024

                                        Filesize

                                        224B

                                        MD5

                                        b1dce7cb9064f8fc7a067eff6892f724

                                        SHA1

                                        52241a6c57abe653b96b598f02fe7014c7d912f2

                                        SHA256

                                        b4d79d43d1e347e0e1d433ccf0a35368eef7975c122457f9e31162e4bb85bed8

                                        SHA512

                                        92a60576b5bcabca3f094d56636bf2e6464ac08cf7f5020c7fe6a499cda745bcbf32a73bd61101818d9fcf4e887e8d38484ae63db9702bae8fd4846d0ce46263

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        a789affcbd8caa7397909276483ca73d

                                        SHA1

                                        8892cb1db1de974085e9a7c0696bc2ad5d659d93

                                        SHA256

                                        f7b21bb6dea64dcac35a5ecd002d5ab7e73a4a520efa1912fd7680eb76ba8473

                                        SHA512

                                        f03beb9671a53230176805541f46239dc11880f81785b55ad2a967894975f85a3c4f366ad639172c34904cf14f88e61bc2f2205696817951173dcbaf8bf56a15

                                      • memory/312-30-0x00000000004F0000-0x000000000054E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/312-34-0x0000000005000000-0x0000000005092000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/312-35-0x0000000004F50000-0x0000000004FB6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/312-36-0x0000000005C80000-0x0000000005C92000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/312-37-0x00000000061C0000-0x00000000061FC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/312-33-0x00000000055B0000-0x0000000005B54000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/312-29-0x00000000729CE000-0x00000000729CF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3376-45-0x0000000006BE0000-0x0000000006BEA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4300-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4300-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4800-19-0x00000000043A0000-0x00000000043A1000-memory.dmp

                                        Filesize

                                        4KB