Analysis

  • max time kernel
    5s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 04:02

General

  • Target

    833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe

  • Size

    2.0MB

  • MD5

    a8c5adb07fbb2043f9083675afdc02c5

  • SHA1

    257b0f0402e3bb12d48197736ff72ead3758b8da

  • SHA256

    833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb

  • SHA512

    a5e729ebf98921f86fc24d38b0288c890492a24da2b7a25a7994380734bb2d0d85868f32167906a037de1de7f9ad5a546e22cba75b4b159ea422cd95264bc3d6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY/: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\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
    "C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.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:1796
    • 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:4512
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 548
          3⤵
          • Program crash
          PID:2152
      • 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:1244
        • 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:4088
        • 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:340
          • 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:3188
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0N7RjMwxBkB2.bat" "
            4⤵
              PID:4460
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2548
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4292
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1048
                    • 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:1868
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\H3ikBnxZVvJ0.bat" "
                      6⤵
                        PID:2508
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1912
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2604
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2188
                              • 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:2044
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 2236
                            6⤵
                            • Program crash
                            PID:3292
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 1752
                        4⤵
                        • Program crash
                        PID:2864
                  • C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
                    "C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4288
                  • 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:668
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4512 -ip 4512
                  1⤵
                    PID:228
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 340 -ip 340
                    1⤵
                      PID:4560
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2072
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3792
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1820
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 520
                                3⤵
                                • Program crash
                                PID:560
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2144
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4512
                                • 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:3680
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3792 -ip 3792
                                1⤵
                                  PID:4112
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1048 -ip 1048
                                  1⤵
                                    PID:4324
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4092

                                    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\0N7RjMwxBkB2.bat

                                      Filesize

                                      208B

                                      MD5

                                      68ef9878af3aa925102116420823f213

                                      SHA1

                                      c9fd10b7e0782fb4f0777d3b8be89c6bdc234a2c

                                      SHA256

                                      7c3933a981599a5115829258fe8dcfb677d80b61779bbece88ca3da8f8495c8e

                                      SHA512

                                      ccc0c631216a7fc392c397e16d035a5348871c1eedda7ff5828ba8d94c60d12fd192d685bfd46dad30c75df17a899ba739ce64941a2e26138e3a72499ee1a86c

                                    • C:\Users\Admin\AppData\Local\Temp\H3ikBnxZVvJ0.bat

                                      Filesize

                                      208B

                                      MD5

                                      3bc4d22daafcd2b6f596620734d5a787

                                      SHA1

                                      d85bd40f12c756f78ad41e4b5054b75640d29e97

                                      SHA256

                                      db1bec26fa0bda9e1348f416c6f5d88e953154f4a3ff44a304d6c663a85d3202

                                      SHA512

                                      7787b4003a0e383e99a73f6009bc89920ee738c1757b559f5823abf70e6056f21e7e93186567b0799188f923013625f8de2de6ca02fc2fe5c8cb9deef81d3443

                                    • 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\12-03-2024

                                      Filesize

                                      224B

                                      MD5

                                      a50e62c62d2449b7673e350154c8d6d8

                                      SHA1

                                      cf5d78c827aeb8cd218bcc55278200369902dcb8

                                      SHA256

                                      a98036feca7504f0035a1eb8684c6af1dfe52bb9b1f98d5100cdc6af6ec6be9f

                                      SHA512

                                      270a443dcaf90b0b6e547927d4395434031db2674eee06e47d395512473efd48ca6bc40f1e0c7d728341f7139e0608ebec36005ad40bf77810cf1ea7f2444c48

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-03-2024

                                      Filesize

                                      224B

                                      MD5

                                      613e0af756d7afc30409528256e0f011

                                      SHA1

                                      e2f0b8ef7d36259cf5c63fd4f70c61bcd23d191e

                                      SHA256

                                      f86a5acb61d3f3914f72d9b50257faceb188dd02bb05e07355b6a4928e866082

                                      SHA512

                                      0fc188c34ad0c1eabcabc1f38017cea281e9dcbf2f2f3868cd8b77babc0ac287896ae1b92e8a7234b676fc2597be8217cb9e93bc0438774b38ecdff9527f1c01

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      5e06f19b040364ff3c93f90fcf84361e

                                      SHA1

                                      d10c95c1742ea257ca8146dd401c2d50771a9573

                                      SHA256

                                      30e2317833f26fa4fe3fd193093905649a7878056cb5b0eea116abdb2bfdd622

                                      SHA512

                                      815de157f4759f888dc6d76bc4aacbc1bf12c8e6a7632a38180ad9af16381a424f5cdbd79bc497b0d9cff52078e5d8ae5f33e1e84d4977eb3694ba66232da444

                                    • memory/340-44-0x0000000006420000-0x000000000642A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/1244-36-0x00000000064B0000-0x00000000064EC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1244-35-0x00000000058C0000-0x00000000058D2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1244-34-0x00000000052B0000-0x0000000005316000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1244-33-0x0000000005330000-0x00000000053C2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1244-32-0x00000000058E0000-0x0000000005E84000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1244-31-0x0000000000940000-0x000000000099E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1796-19-0x0000000003B40000-0x0000000003B41000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4288-20-0x0000000000A90000-0x0000000000AB0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4288-28-0x0000000000A90000-0x0000000000AB0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4512-70-0x00000000009E0000-0x0000000000A00000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4512-76-0x00000000009E0000-0x0000000000A00000-memory.dmp

                                      Filesize

                                      128KB