Analysis

  • max time kernel
    5s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 00:14

General

  • Target

    8b32fa130f48a428b415a5be46c6cb1b2004f5ff5d3d432787f926f8e97a8e84.exe

  • Size

    2.0MB

  • MD5

    9e163764e06bf352c692a9c4d152786f

  • SHA1

    b36cf94ab0214191d1eb27b623d4f5a6d65ec99c

  • SHA256

    8b32fa130f48a428b415a5be46c6cb1b2004f5ff5d3d432787f926f8e97a8e84

  • SHA512

    e0d980a79c82e5efb7b1bd432cd04bb981aee45c7858401059fb2e590c8bdfc3de6118686b28f0af82b44b8a7a0c800664a02c01e23d7b82deaa5890d840ba40

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YX

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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\8b32fa130f48a428b415a5be46c6cb1b2004f5ff5d3d432787f926f8e97a8e84.exe
    "C:\Users\Admin\AppData\Local\Temp\8b32fa130f48a428b415a5be46c6cb1b2004f5ff5d3d432787f926f8e97a8e84.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:212
    • 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:624
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 548
          3⤵
          • Program crash
          PID:4968
      • 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:3920
        • 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:4092
        • 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:4748
          • 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:1560
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8JBAnQdFsomF.bat" "
            4⤵
              PID:3428
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3000
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4924
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4920
                    • 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:4016
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sGexuzw2nYx6.bat" "
                      6⤵
                        PID:2824
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4764
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4112
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 1972
                          6⤵
                          • Program crash
                          PID:740
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 1696
                      4⤵
                      • Program crash
                      PID:3148
                • C:\Users\Admin\AppData\Local\Temp\8b32fa130f48a428b415a5be46c6cb1b2004f5ff5d3d432787f926f8e97a8e84.exe
                  "C:\Users\Admin\AppData\Local\Temp\8b32fa130f48a428b415a5be46c6cb1b2004f5ff5d3d432787f926f8e97a8e84.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3608
                • 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:3324
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 624 -ip 624
                1⤵
                  PID:4568
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:4484
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:3404
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:3496
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 520
                            3⤵
                            • Program crash
                            PID:5044
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:4244
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2508
                            • 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:2396
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3404 -ip 3404
                            1⤵
                              PID:2300
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4748 -ip 4748
                              1⤵
                                PID:1748
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4920 -ip 4920
                                1⤵
                                  PID:4408
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3404
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4148

                                    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\8JBAnQdFsomF.bat

                                      Filesize

                                      208B

                                      MD5

                                      325720e0c0b215ffdbdb2ecd427fd462

                                      SHA1

                                      99586f9009c98aa3813b757b51a1ec9b968ad9e9

                                      SHA256

                                      2b362be2bad922bc0c105346ced3ebba7ceca29e7be59c0d55b83965565598cb

                                      SHA512

                                      de3cbf4013e4d4a7c1a86a320e0d881c2dc3847044981c4bba4ed3f7b43c9dfbc693ffd11eacf2ab3b07f7ad3d43fe8a6764b4aecf82dd235663a0ee5512fff2

                                    • C:\Users\Admin\AppData\Local\Temp\sGexuzw2nYx6.bat

                                      Filesize

                                      208B

                                      MD5

                                      77cdd6b943bda6e48c60e53f13d9cf04

                                      SHA1

                                      0a57bb96842111bd55a63e8aa5249cd1ca30062b

                                      SHA256

                                      6957832014be55cb3eb018eb54b6e74e0826f4a15d742e782d8f966b5db33273

                                      SHA512

                                      695c8089c5fc461882b05b7d4228462dfa7c1e3b4218287c5512a0ddb6e5e5963a9301a22c7e493efd3c88db01cdd8520a5ba4cfeb34ae6fcc4902365b5aa542

                                    • 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\12-28-2024

                                      Filesize

                                      224B

                                      MD5

                                      890978caf5c68a21bcb8aa5a2d69ab74

                                      SHA1

                                      a94bb635b65d30fff27b9fd3a7cd9bd1f8e7ddfe

                                      SHA256

                                      56ac41d0c256e7204ebc065be19e9237d161e7c83c6fe2248ead892f14236dce

                                      SHA512

                                      a3723b595ef184806cd1f55dbfb269c3126603e7e9178ef214b6f6ada43938d75bb0c06df7b6e45b3271dd975037ea0bce33a3336a898ad4b85db79a4499142b

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      3c840cdf509d3a9488be5fefcda6a343

                                      SHA1

                                      becd554fe377818000861dd77a31128b00b554f7

                                      SHA256

                                      301d5628ac5d4cefec878258fb7b6b43bea0fdbf8be55cc26f1433d9a3f72fff

                                      SHA512

                                      f3680cc1b592d93e6b89220676b60df5a0663300d1a4c22395d74f6e3010af7c6531aab74d6c47697ac70e98d435fd395827201a08b96d4318952b68634e8b00

                                    • memory/212-19-0x0000000003B30000-0x0000000003B31000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2508-73-0x00000000008B0000-0x00000000008D0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2508-67-0x00000000008B0000-0x00000000008D0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3608-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3608-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3920-29-0x00000000731AE000-0x00000000731AF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3920-37-0x0000000006A30000-0x0000000006A6C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3920-36-0x0000000005D30000-0x0000000005D42000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3920-35-0x0000000005890000-0x00000000058F6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3920-34-0x00000000057F0000-0x0000000005882000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3920-33-0x0000000005DA0000-0x0000000006344000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3920-30-0x0000000000D60000-0x0000000000DBE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4748-45-0x00000000060F0000-0x00000000060FA000-memory.dmp

                                      Filesize

                                      40KB