Analysis

  • max time kernel
    2s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 19:09

General

  • Target

    6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe

  • Size

    2.0MB

  • MD5

    8f0ad6014e3072402f939e7b3b94a0a0

  • SHA1

    86b2cde6160807f79091bd48e7eaf81529e31ab6

  • SHA256

    6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96

  • SHA512

    ef738f3588a2c0d55b8257150eedf35d23bd6e7a84c56097260a020f12362ab236035065104c65c345ab299a9a65b3fa9859536c3978401efed49158624101eb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yw

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 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 11 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 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe
    "C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.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:2532
    • 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:2360
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 180
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2936
      • 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:2060
        • 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:1288
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:1404
            • 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:2856
        • C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe
          "C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:832
        • 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:2776
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {5AAD6105-904F-4699-858F-93D36E5464DC} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
        1⤵
          PID:2956
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            2⤵
              PID:2440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            2.0MB

            MD5

            8d245d98ce9c78bdaacba43ebc0dce91

            SHA1

            b16d6358095299f2dadcebbce01239a54bdd9039

            SHA256

            e6d94cf908629e4c2d93c004caba31ffeb4b93e097283c08174a325955b5e74c

            SHA512

            c662dd95f56f7a3f66bd5573af0c35ded47c267862eb2d3f07e34e467670afdafefbc76160ce9b6ce4a22357481dc31ac43d7f25ed377ce584f3401b2c3eec75

          • \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/352-48-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

            Filesize

            4KB

          • memory/352-46-0x0000000000020000-0x0000000000021000-memory.dmp

            Filesize

            4KB

          • memory/832-43-0x0000000000080000-0x00000000000A0000-memory.dmp

            Filesize

            128KB

          • memory/832-37-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

            Filesize

            4KB

          • memory/832-31-0x0000000000080000-0x00000000000A0000-memory.dmp

            Filesize

            128KB

          • memory/832-29-0x0000000000080000-0x00000000000A0000-memory.dmp

            Filesize

            128KB

          • memory/1404-63-0x0000000000FD0000-0x000000000102E000-memory.dmp

            Filesize

            376KB

          • memory/2060-49-0x0000000000820000-0x000000000087E000-memory.dmp

            Filesize

            376KB

          • memory/2532-65-0x0000000000730000-0x0000000000731000-memory.dmp

            Filesize

            4KB

          • memory/2532-40-0x0000000000730000-0x0000000000731000-memory.dmp

            Filesize

            4KB