Analysis

  • max time kernel
    4s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 14:58

General

  • Target

    46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe

  • Size

    2.0MB

  • MD5

    5e2a9b43af55a4d20c54b33f5feb1eaf

  • SHA1

    439473f9fd97745e896f921d9ee235d782ca4da9

  • SHA256

    46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c

  • SHA512

    89d0f318068466ef7116640595ee8341669862e0362b24f7d5e662f29f778afaa94588a660ea0b76f7f2dd3999657b2fa68074a691a8744cea12dab6b3aaf444

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYm:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe
    "C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.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:2488
    • 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:2396
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3032
    • 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:2972
      • 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:1472
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2352
          • 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:1952
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\SuGL7M1N5Stn.bat" "
            4⤵
              PID:1768
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2164
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1524
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2468
                    • 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:2444
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1536
                  4⤵
                  • Program crash
                  PID:2180
            • C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe
              "C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3056
            • 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:2784
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {E34DF9D8-9635-4548-B385-B3176FFA6461} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:1508
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:596
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1648
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:1060
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1676
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:1168
                          • 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:1708

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\SuGL7M1N5Stn.bat

                        Filesize

                        208B

                        MD5

                        aaeedebca915b2a0aa133e0138cf1af5

                        SHA1

                        7e7463facbf3e5f50254aa19bb688d0a916db8ad

                        SHA256

                        5352ec726f85449baafc60f5af73695b4b0fbff94b47a62bb76d13ce65e4e196

                        SHA512

                        bba1cf43482090bf13048369d1a49e79766a6a0cd2c453a7e03b4fe2bb8a505fa6ad36dd7d8748623b3c186abee5b4eba55e6c0dd2c74f6721e3817cf0ab6400

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

                        Filesize

                        224B

                        MD5

                        76f7cfafbf3c97563995a4a801f1fc3f

                        SHA1

                        648d9c5a4b5ff852d9b4ce14ba5647425abc4f54

                        SHA256

                        2d1afc337a18ad6484af928bb6e8ce3b88bd1cd3deb049f3563ea0c540188c47

                        SHA512

                        a6f504f546f32d591ef6dc20a51fefa40449787c3cb7027100b05b5fa4424e19e6ae1390c7ecc559f7e1082283c4c6783f5a392761d88c774fc9f7d9d4ce4fc7

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

                        Filesize

                        2.0MB

                        MD5

                        fcffae2052a50f15ae5f65170a6f2a98

                        SHA1

                        6fe849dab697e5cebe06d57fd53a709acf66753a

                        SHA256

                        bc6dbcf67ba82b93905eb788f783637d8e436cbfc6e23e923a239818d060ca02

                        SHA512

                        f30b474bf5c056fd7cf4759266d18bff463f147f013ecb9f4eb5f4580fac29e1dd12fed3251f713472b816c52b5a0577413686e2c36af0e3eca53b4969e10c5d

                      • \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/1060-133-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/1060-127-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp

                        Filesize

                        4KB

                      • memory/1060-129-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/1168-120-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/1168-117-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/1168-124-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/1676-134-0x0000000000F00000-0x0000000000F5E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2352-63-0x00000000012D0000-0x000000000132E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2468-80-0x00000000012D0000-0x000000000132E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2488-41-0x0000000000F30000-0x0000000000F31000-memory.dmp

                        Filesize

                        4KB

                      • memory/2972-53-0x0000000000240000-0x000000000029E000-memory.dmp

                        Filesize

                        376KB

                      • memory/3032-52-0x00000000003B0000-0x000000000044C000-memory.dmp

                        Filesize

                        624KB

                      • memory/3032-46-0x00000000003B0000-0x000000000044C000-memory.dmp

                        Filesize

                        624KB

                      • memory/3032-43-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/3032-45-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

                        Filesize

                        4KB

                      • memory/3056-29-0x0000000000400000-0x0000000000420000-memory.dmp

                        Filesize

                        128KB

                      • memory/3056-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/3056-40-0x0000000000400000-0x0000000000420000-memory.dmp

                        Filesize

                        128KB

                      • memory/3056-30-0x0000000000400000-0x0000000000420000-memory.dmp

                        Filesize

                        128KB