Analysis

  • max time kernel
    6s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 19:00

General

  • Target

    a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe

  • Size

    2.0MB

  • MD5

    e9f5691c16624507967c3fb092ff0c31

  • SHA1

    169ec82da95b5ecc992d1d6b0e15d20fcea5fd93

  • SHA256

    a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53

  • SHA512

    3962bf0640bab1b764f73308187a841b03feb77d0e2ace746431bfcfd445fde466711c8b41b2a15b61735379a9e0f8f5f398ab0727096ec3c4453c0c122c4b81

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYR:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.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:1236
    • 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:2260
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 548
          3⤵
          • Program crash
          PID:1428
      • 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:1820
        • 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:3692
        • 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:4956
          • 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:4172
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2WIEwn8N9Ex2.bat" "
            4⤵
              PID:3188
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1588
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4912
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3652
                    • 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:4276
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bhLXDwEsJVmr.bat" "
                      6⤵
                        PID:5008
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3968
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1684
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2684
                              • 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:2292
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 2204
                            6⤵
                            • Program crash
                            PID:4616
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 2232
                        4⤵
                        • Program crash
                        PID:3324
                  • C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe
                    "C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3204
                  • 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:4624
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2260 -ip 2260
                  1⤵
                    PID:3660
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4956 -ip 4956
                    1⤵
                      PID:3960
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4160
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:388
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:68
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 520
                                3⤵
                                • Program crash
                                PID:3560
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4920
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4624
                                • 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:1720
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 388 -ip 388
                                1⤵
                                  PID:540
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3652 -ip 3652
                                  1⤵
                                    PID:2300
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3864
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4956
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:2356
                                          • C:\Windows\explorer.exe
                                            explorer.exe /LOADSAVEDWINDOWS
                                            2⤵
                                              PID:4700
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:1084

                                            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\2WIEwn8N9Ex2.bat

                                              Filesize

                                              208B

                                              MD5

                                              f4b43b5445070e1760a662fbbe7f8806

                                              SHA1

                                              8149f531b47f58be3b72d3b408febf64499010de

                                              SHA256

                                              4ccdbc68119531f2ecb1604d4d7419fd294b9a5070972906a564cc005a2b53cc

                                              SHA512

                                              cb8d8cdb48e352f3508029ebb4a4d9ea37c8293deb785f64b3847c524152289cd9d5d706b6bd97b17974ef2d7824414d7cbbaf9f4fcb9bcd5e3e65b9a032a052

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

                                              Filesize

                                              208B

                                              MD5

                                              9d51f16cfa750051fa8aead8c9dd3373

                                              SHA1

                                              71290c61686e88e5ee32717b4b3a76d8a3c7afc5

                                              SHA256

                                              07266ea384382265cd7b80a4986ab919764cd0c1ec907ca9452dbf9f5157405d

                                              SHA512

                                              0b55bae91db0618b1618a56f6d99e9ae20fa9d10d4cd50caf1d1ec4a828e3d4e50349c32e8d365c7a7f462cec0dfce25280177248fa2d32a67ba2b606fd4ce24

                                            • 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\12-04-2024

                                              Filesize

                                              224B

                                              MD5

                                              4b622a11f76171fb008a2d732a69c744

                                              SHA1

                                              65bad46a1e9cfb730539278cc7cf36971028e3f6

                                              SHA256

                                              5afbc64fce42cdba47a544d1fff97e8d1970324f6d124d1ca62f311cc3945879

                                              SHA512

                                              d143efece903bb1160070128c40297806841fc15ddf24e8c748f72c2774e128711ffed6e5aa4fadaee62f096e9869ba70c275f13000cf965fefcdab430dd958e

                                            • C:\Users\Admin\AppData\Roaming\Logs\12-04-2024

                                              Filesize

                                              224B

                                              MD5

                                              bc82d6085b866def1f32f50b447c9db5

                                              SHA1

                                              03c14ade74b6f395142aa393f99b1c38314d6b23

                                              SHA256

                                              b53081e661563cadef4d9b22536199f7d6f709d97c32a5f44f826ae42db267c4

                                              SHA512

                                              24a5f79ed36e8425a5079180666a841d53da991ac25d05ff5fe9e2df1394cfe4124634d35903b86b45bae2f887ac8e02a073308dad2753fe0549f4d58f54f7e3

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

                                              Filesize

                                              2.0MB

                                              MD5

                                              ad2a4360999350efd943ef10e7283a42

                                              SHA1

                                              5c15f3af1bb31cb03468265f5bdfdeb79ccca239

                                              SHA256

                                              c8acc068954cbc517511c12393795a3729d244985fd8df67ba475eaee06ba558

                                              SHA512

                                              44cd3f64db34be248f0174bfe987528a3c3d96e5ba9592876aebf770e9729350b14af49d7a0ac203232e7e82d7598e712cf38a6ce40a85bb878a1f71b142f2fd

                                            • memory/1236-18-0x0000000001F10000-0x0000000001F11000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1820-31-0x00000000004C0000-0x000000000051E000-memory.dmp

                                              Filesize

                                              376KB

                                            • memory/1820-36-0x0000000006030000-0x000000000606C000-memory.dmp

                                              Filesize

                                              240KB

                                            • memory/1820-35-0x0000000005AF0000-0x0000000005B02000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/1820-34-0x0000000004E90000-0x0000000004EF6000-memory.dmp

                                              Filesize

                                              408KB

                                            • memory/1820-33-0x0000000004DD0000-0x0000000004E62000-memory.dmp

                                              Filesize

                                              584KB

                                            • memory/1820-32-0x0000000005440000-0x00000000059E4000-memory.dmp

                                              Filesize

                                              5.6MB

                                            • memory/3204-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3204-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/4624-73-0x00000000000D0000-0x00000000000F0000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/4624-79-0x00000000000D0000-0x00000000000F0000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/4956-44-0x00000000060B0000-0x00000000060BA000-memory.dmp

                                              Filesize

                                              40KB