Analysis

  • max time kernel
    4s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 10:48

General

  • Target

    4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe

  • Size

    2.0MB

  • MD5

    7b6ad46a65a6fae54d1932bdeabb88e0

  • SHA1

    0dcce5f926d6cd9d449923deca0f421fad2d68d6

  • SHA256

    4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcd

  • SHA512

    670bb0a3fda1d9b38b7dcfdd74f09ab1ddad71d353f3ac22bf828cdd0589d213970b7aceab33c350a57c3790b0d13416ad9696314036a4e646b247187856c2b0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe
    "C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2696
    • 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
      PID:2932
      • 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:1924
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2996
          • 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:2132
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\dwnrLaxWJmJt.bat" "
            4⤵
              PID:1816
              • 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:1352
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1248
                    • 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:2308
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1524
                  4⤵
                  • Program crash
                  PID:1204
            • C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe
              "C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2884
            • 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:1172
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {C0B852F5-0D05-4F15-B888-4A0371BE520C} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:676
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2160
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:2392
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:2232
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:2532
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:1616
                          • 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
                            3⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:2088

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        208B

                        MD5

                        3757a309f2e8cc216fd55eb2c3318c00

                        SHA1

                        edff1c4a66fcaa8be1eb53b3a55fc61c945d3292

                        SHA256

                        12ff25492fb4a8d86da17c8a312c4091d21253b03fb63d2c96786e02a1db8cc0

                        SHA512

                        71829e82bf2ee5c88eb40105eb212f94a15647aa2fcc65fd02109419416729c496701486468ae4a516ec050c2114462b34eed2305488cf948eb95c8c61540394

                      • C:\Users\Admin\AppData\Roaming\Logs\01-03-2025

                        Filesize

                        224B

                        MD5

                        788982245498be2701ac9a7715664103

                        SHA1

                        33cb0659985cecd3892dcae0ab27586f5427eb78

                        SHA256

                        1bd3a0b8d93e4e30b4db574657f33a760ae6bde756c2fd247ade69ac25ad6d82

                        SHA512

                        a1640b2d6e2dd3ca4dc06d9b9fb4355934cb9613ca8c626139d86f5c4ade620b97c226afc9f5739f06dafedc2839b27a55dc336ffca4a5408698aabb6953ffbd

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\F6GE63FX.txt

                        Filesize

                        211B

                        MD5

                        567ab184d545bf1c65d1e4160b791601

                        SHA1

                        93de8efb8b38fbed71af0224122aa54eef459e6d

                        SHA256

                        1fe4b0105a78147c27648005b76d074aa9184757b2fa66d12cf2c41ff392e001

                        SHA512

                        101dd57028d8d62499ba5df02222cd385af6505ceee731f78aca3d60d38b14cbd14eee89c9b9d1ce647e0a75596a1529b469954b1d9f4f64d21ac95fe53cb1ff

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

                        Filesize

                        2.0MB

                        MD5

                        6fca1bdab9d9e9d6322dbf6189a5f5e3

                        SHA1

                        5babd201bdb8ce53dcfa174cfb5a0cc125db70ba

                        SHA256

                        5dd54d0b3e17611c974aa1ef6bc06ac664bd1d846e03e31f5419d9d81ddcf863

                        SHA512

                        008b0cbdd826d06a220f3debf037503fe70ae391aac579dce5b7bc510fa47b6e21e118fa825c2d3d4684036d41dc7cb59f5b017c756ba5b10f90a93389ef9c2a

                      • \Users\Admin\AppData\Local\Temp\vnc.exe

                        Filesize

                        405KB

                        MD5

                        b8ba87ee4c3fc085a2fed0d839aadce1

                        SHA1

                        b3a2e3256406330e8b1779199bb2b9865122d766

                        SHA256

                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                        SHA512

                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                      • \Users\Admin\AppData\Local\Temp\windef.exe

                        Filesize

                        349KB

                        MD5

                        b4a202e03d4135484d0e730173abcc72

                        SHA1

                        01b30014545ea526c15a60931d676f9392ea0c70

                        SHA256

                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                        SHA512

                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                      • memory/1248-130-0x0000000000E50000-0x0000000000EAE000-memory.dmp

                        Filesize

                        376KB

                      • memory/1616-108-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2232-88-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

                        Filesize

                        4KB

                      • memory/2532-102-0x00000000003A0000-0x00000000003FE000-memory.dmp

                        Filesize

                        376KB

                      • memory/2696-46-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2696-44-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/2696-51-0x00000000002C0000-0x000000000035C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2696-47-0x00000000002C0000-0x000000000035C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2824-30-0x00000000003B0000-0x00000000003B1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2884-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2884-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2884-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2884-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2932-54-0x0000000000C70000-0x0000000000CCE000-memory.dmp

                        Filesize

                        376KB

                      • memory/2996-64-0x0000000000D00000-0x0000000000D5E000-memory.dmp

                        Filesize

                        376KB