Analysis

  • max time kernel
    3s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 04:45

General

  • Target
    c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe
  • Size 2.0MB
  • Sample250121-fdte8axlcx
  • SHA256 c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79
  • MD5 SHA1 SHA512 SSDEEP

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

    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\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe
    "C:\Users\Admin\AppData\Local\Temp\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.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:3780
    • 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:1544
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 548
          3⤵
          • Program crash
          PID:3940
      • 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:556
        • 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:3460
        • 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:3880
          • 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:3088
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat" "
            4⤵
              PID:2764
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3592
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:976
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3140
                    • 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:1544
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D35t5QFIEgy2.bat" "
                      6⤵
                        PID:2232
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1696
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1616
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2216
                          6⤵
                          • Program crash
                          PID:2384
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 2260
                      4⤵
                      • Program crash
                      PID:2256
                • C:\Users\Admin\AppData\Local\Temp\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe
                  "C:\Users\Admin\AppData\Local\Temp\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2224
                • 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:2864
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1544 -ip 1544
                1⤵
                  PID:1060
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:2476
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4512
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:560
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 528
                            3⤵
                            • Program crash
                            PID:3576
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3152
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2888
                            • 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:3380
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4512 -ip 4512
                            1⤵
                              PID:1200
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3880 -ip 3880
                              1⤵
                                PID:3656
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3140 -ip 3140
                                1⤵
                                  PID:316
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:2972
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:5012

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          windef.exe.log

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log
                                          • Size 1KB
                                          • SHA256 f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928
                                          • MD5 SHA1 SHA512

                                          D35t5QFIEgy2.bat

                                          • Path C:\Users\Admin\AppData\Local\Temp\D35t5QFIEgy2.bat
                                          • Size 208B
                                          • SHA256 f29c1ca745a855d3ab72c5eb28a101deca7958f98374d238db2d64ebd380f7b1
                                          • MD5 SHA1 SHA512

                                          JFbhTUKXWP0I.bat

                                          • Path C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat
                                          • Size 208B
                                          • SHA256 b48cc9ed3aafda38ec0775f55ae2af73fcfd9c13b3b75e0a50582aca069bbe21
                                          • MD5 SHA1 SHA512

                                          vnc.exe

                                          • Path C:\Users\Admin\AppData\Local\Temp\vnc.exe
                                          • Size 405KB
                                          • SHA256 4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
                                          • MD5 SHA1 SHA512 SSDEEP

                                          windef.exe

                                          • Path C:\Users\Admin\AppData\Local\Temp\windef.exe
                                          • Size 349KB
                                          • SHA256 7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
                                          • MD5 SHA1 SHA512 SSDEEP

                                          01-21-2025

                                          • Path C:\Users\Admin\AppData\Roaming\Logs\01-21-2025
                                          • Size 224B
                                          • SHA256 e5ba9ce042fdbe859e66f7a1652c1fc96804a4858d3b00d63045fa51f94971e9
                                          • MD5 SHA1 SHA512

                                          SystemPropertiesPerformance.exe

                                          • Path C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                          • Size 2.0MB
                                          • SHA256 3519d308f6dd2506efb37a9ee0ff7637c16b213ad7c8643d76a4f8c24acb4d2b
                                          • MD5 SHA1 SHA512 SSDEEP

                                          memory/556-33-0x0000000004A30000-0x0000000004AC2000-memory.dmp

                                          memory/556-34-0x0000000004AE0000-0x0000000004B46000-memory.dmp

                                          memory/556-35-0x00000000056F0000-0x0000000005702000-memory.dmp

                                          memory/556-36-0x0000000005C30000-0x0000000005C6C000-memory.dmp

                                          memory/556-32-0x0000000004F40000-0x00000000054E4000-memory.dmp

                                          memory/556-31-0x00000000000A0000-0x00000000000FE000-memory.dmp

                                          memory/2224-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                          memory/2224-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                          memory/2888-72-0x0000000000120000-0x0000000000140000-memory.dmp

                                          memory/2888-66-0x0000000000120000-0x0000000000140000-memory.dmp

                                          memory/3780-18-0x0000000004060000-0x0000000004061000-memory.dmp

                                          memory/3880-44-0x00000000066C0000-0x00000000066CA000-memory.dmp