Analysis

  • max time kernel
    4s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2025, 22:45

General

  • Target
    41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe
  • Size 2.0MB
  • Sample250112-2plemssrdz
  • SHA256 41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6
  • 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 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 7 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\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe
    "C:\Users\Admin\AppData\Local\Temp\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.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:3764
    • 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:4596
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 548
          3⤵
          • Program crash
          PID:4360
      • 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:984
        • 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:3212
        • 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:4340
          • 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:2648
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fNACKNQC33gj.bat" "
            4⤵
              PID:1840
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3548
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2236
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:540
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 2268
                  4⤵
                  • Program crash
                  PID:3116
            • C:\Users\Admin\AppData\Local\Temp\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe
              "C:\Users\Admin\AppData\Local\Temp\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4132
            • 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:2020
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4596 -ip 4596
            1⤵
              PID:4032
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4340 -ip 4340
              1⤵
                PID:1132
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:1372
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1556
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:5044
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 520
                          3⤵
                          • Program crash
                          PID:3484
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1976
                          • 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⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:1908
                            • C:\Windows\System32\Conhost.exe
                              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                              4⤵
                                PID:3212
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              3⤵
                                PID:2064
                                • 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⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:3620
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BGopKAShmKTm.bat" "
                                  4⤵
                                    PID:1680
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 65001
                                      5⤵
                                        PID:4116
                                      • C:\Windows\SysWOW64\PING.EXE
                                        ping -n 10 localhost
                                        5⤵
                                        • System Network Configuration Discovery: Internet Connection Discovery
                                        • Runs ping.exe
                                        PID:3432
                                      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                        5⤵
                                          PID:4756
                                          • 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:2364
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 2272
                                        4⤵
                                        • Program crash
                                        PID:4452
                                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                    "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                    2⤵
                                      PID:1328
                                    • 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:1888
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1556 -ip 1556
                                    1⤵
                                      PID:1508
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2064 -ip 2064
                                      1⤵
                                        PID:4428
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:1484
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:2988

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                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

                                                winsock.exe.log

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log
                                                • Size 701B
                                                • SHA256 d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92
                                                • MD5 SHA1 SHA512

                                                BGopKAShmKTm.bat

                                                • Path C:\Users\Admin\AppData\Local\Temp\BGopKAShmKTm.bat
                                                • Size 208B
                                                • SHA256 9263e4bc59ce83305602b4de42627debf1353dc2e01cf973c2b00a08f67c6da9
                                                • MD5 SHA1 SHA512

                                                fNACKNQC33gj.bat

                                                • Path C:\Users\Admin\AppData\Local\Temp\fNACKNQC33gj.bat
                                                • Size 208B
                                                • SHA256 8f583b9471532281d945a73785621242c5e8acc75928a2d2d103eb72f971dd49
                                                • 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

                                                01-12-2025

                                                • Path C:\Users\Admin\AppData\Roaming\Logs\01-12-2025
                                                • Size 224B
                                                • SHA256 c5691e6c9258856f9e7fbe4a7cfbc190ccc5e63452c0e55b53e10c49a260f043
                                                • MD5 SHA1 SHA512

                                                01-12-2025

                                                • Path C:\Users\Admin\AppData\Roaming\Logs\01-12-2025
                                                • Size 224B
                                                • SHA256 2718beb8d49623ce6e21cf8abdc6646072217311fe1a5c27af37f9747ffb248b
                                                • MD5 SHA1 SHA512

                                                SystemPropertiesPerformance.exe

                                                • Path C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                                • Size 2.0MB
                                                • SHA256 d1dffccea2a28ba7de3e571ca9739c1eb7e82b8b57ec6c9fde71c1bd9dc3ca09
                                                • MD5 SHA1 SHA512 SSDEEP

                                                memory/984-36-0x00000000064C0000-0x00000000064FC000-memory.dmp

                                                memory/984-35-0x0000000005F80000-0x0000000005F92000-memory.dmp

                                                memory/984-34-0x00000000052B0000-0x0000000005316000-memory.dmp

                                                memory/984-33-0x0000000005210000-0x00000000052A2000-memory.dmp

                                                memory/984-32-0x0000000005720000-0x0000000005CC4000-memory.dmp

                                                memory/984-31-0x0000000000850000-0x00000000008AE000-memory.dmp

                                                memory/1328-70-0x0000000000400000-0x0000000000420000-memory.dmp

                                                memory/1328-76-0x0000000000400000-0x0000000000420000-memory.dmp

                                                memory/3764-19-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                                                memory/4132-28-0x00000000000F0000-0x0000000000110000-memory.dmp

                                                memory/4132-20-0x00000000000F0000-0x0000000000110000-memory.dmp

                                                memory/4340-44-0x0000000006180000-0x000000000618A000-memory.dmp