Analysis

  • max time kernel
    6s
  • 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
    19-09-2024 22:38

General

  • Target

    956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9.exe

  • Size

    2.0MB

  • MD5

    100d5741d66fe4d58016722d163887c6

  • SHA1

    facbfb4aafbdcb91a14b55f72da9cdfa4919118a

  • SHA256

    956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9

  • SHA512

    c1afc6fb4a4b239474235c8ac20c40ebda5ce41af7655672e5da889be57a7c664712eefac6934d8a2b3df36d2bf1f17f1837599f6a0f791cc6594eec3cf455f1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

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\956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9.exe
    "C:\Users\Admin\AppData\Local\Temp\956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9.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:4664
    • 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:1668
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 548
          3⤵
          • Program crash
          PID:1152
      • 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:3480
        • 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:3400
        • 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:740
          • 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:3800
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\izMx8NjxPwRo.bat" "
            4⤵
              PID:940
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2656
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3220
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4940
                    • 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:4480
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\otWlkPXHweFk.bat" "
                      6⤵
                        PID:1424
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1296
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5072
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1064
                              • 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:4364
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 1680
                            6⤵
                            • Program crash
                            PID:4496
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1996
                        4⤵
                        • Program crash
                        PID:732
                  • C:\Users\Admin\AppData\Local\Temp\956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9.exe
                    "C:\Users\Admin\AppData\Local\Temp\956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2188
                  • 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:692
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1668 -ip 1668
                  1⤵
                    PID:1692
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4576
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4592
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3264
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 520
                              3⤵
                              • Program crash
                              PID:2232
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2300
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:5044
                              • 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:3484
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4592 -ip 4592
                              1⤵
                                PID:452
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 740 -ip 740
                                1⤵
                                  PID:1876
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4940 -ip 4940
                                  1⤵
                                    PID:4412
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:1636
                                      • C:\Windows\explorer.exe
                                        explorer.exe /LOADSAVEDWINDOWS
                                        2⤵
                                          PID:2772

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      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\izMx8NjxPwRo.bat

                                        Filesize

                                        208B

                                        MD5

                                        11b1b0ee015ddcbc16263b0597ea8d56

                                        SHA1

                                        0a98f546d4f32c9e25a99687b4ada0eacc653ac9

                                        SHA256

                                        f5958f5abf74ea9a1c9994955d46700427f5dcac41b66daa20e55bd1560d84ff

                                        SHA512

                                        dd2741e96a425433443681473c7642dc53e5cfc171715d3fc6407c6b29bffdf87dc5e455598a006323908c0946d3961a19a42f0bc5a88843e19d6b3b7fd8f8b9

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

                                        Filesize

                                        208B

                                        MD5

                                        17b01dddb01b5478b29f8b0691710c60

                                        SHA1

                                        bc69b390f2df058e057081b5fb7c8c4a5ad9a331

                                        SHA256

                                        67fa0717fe76e1a6cad59c5d13ba5a7f2bb212b12a60371410ad1dae1b77ab31

                                        SHA512

                                        0b6e68791a91fb1da7ae904d9b96b16a95d0a5f72e2aa35e25bc44cbce5d66439f41d4eb48b870bf864510e0c78ede10307e6940f13a896f987b593e84393df0

                                      • 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\09-19-2024

                                        Filesize

                                        224B

                                        MD5

                                        48dc53dcbf2824daecac891304594c32

                                        SHA1

                                        f2c8f8616f1787b38847515bad3287955af80897

                                        SHA256

                                        9c5007a25637166fe4eee5d8945efd7886f66166d09e712fb9552ff5ed97b75d

                                        SHA512

                                        f720eb20e40da42fcc8d31e32170f95cee72446c28571791b4d2f2e16999109644e860fa1b079f60b10e892d6220d7f3b7c5914f32354b18d0a7ae84e7393ce5

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-19-2024

                                        Filesize

                                        224B

                                        MD5

                                        54c00bf2f8ded8e9f48af801a8e28241

                                        SHA1

                                        a25a0313d4ba1aa077cbbc64f1be890f83ebbc82

                                        SHA256

                                        9f7050c624622021c2e9de72456390634505f101a19a75a3708c7258577e5f15

                                        SHA512

                                        5a2a919535b5918be4458bf2b14b1f84d737861a366ef5cd7c695f5253a3e6f09d13026d2dcd54c2b6b0486f0851be4aba0c3996d18fff0f0e1b4a442258befa

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        db6e215bca9bbd63b2426c846d76629d

                                        SHA1

                                        28f2cb09cf20d3e70845d29a69e95a766a930cbc

                                        SHA256

                                        5bc552293788c5fb035d16a8d5702218fbc0fcbcee8c72debbb0619615a99bf2

                                        SHA512

                                        01534a6af26184fedcb8f4786cc177ea1f83603e89d106ed3646c8fdd19a5ceb1e5ec6bae837d4decd06cd30acd5ab0576d93fe1b661db2515abd9ea534bc141

                                      • memory/740-44-0x0000000006770000-0x000000000677A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2188-28-0x00000000001C0000-0x00000000001E0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2188-20-0x00000000001C0000-0x00000000001E0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3480-36-0x00000000065E0000-0x000000000661C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3480-35-0x00000000058A0000-0x00000000058B2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3480-34-0x00000000053A0000-0x0000000005406000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3480-33-0x0000000005440000-0x00000000054D2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3480-32-0x00000000058D0000-0x0000000005E74000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3480-31-0x0000000000A50000-0x0000000000AAE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4664-19-0x0000000004420000-0x0000000004421000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/5044-66-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/5044-72-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB