Analysis

  • max time kernel
    3s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 10:17

General

  • Target

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe

  • Size

    2.0MB

  • MD5

    6845e591eb8e4ae6ed050f660f8b033d

  • SHA1

    ee37cea5a67e37fb093defc2de51b25a02ad3e65

  • SHA256

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566

  • SHA512

    25eab1af5ea0b10a0e793618b7d00c863087ecb9cf6fd7673eba12511c4dc942c6c49e6d4c44940220ba9a30cceb6752d68db5bc8ac581a7c55ca84a3579e231

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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 9 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 24 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.

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 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 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
    "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.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:324
    • 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:2548
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:588
    • 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:2936
      • 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:672
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2952
          • 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:2968
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\WaJpTTyPSbIc.bat" "
            4⤵
              PID:2200
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2088
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2160
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2672
                    • 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:1836
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 1536
                  4⤵
                  • Program crash
                  PID:2220
            • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
              "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2864
            • 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:2828
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {95467205-8371-47EB-B4EF-AD29234DB942} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:2608
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1528

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

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

                Filesize

                208B

                MD5

                a06d6046ef33f3580567bc8ade7e6f7f

                SHA1

                f3b22410ebb1fa9520808650c70e903505d22454

                SHA256

                ed4165e865271b926e4c7211a3a76d93629debc548f0fa15d186b2394a7c07ee

                SHA512

                d1e08b964d32bd635a6d64dcf48b61e13167d7c28ee21b799254680dd457511973d6b49d42f76c6ae34c7a76227e5480317194a23157c49a207652d2e33825f3

              • C:\Users\Admin\AppData\Roaming\Logs\11-25-2024

                Filesize

                224B

                MD5

                c3539e00bc73dfe35abaa585ece0a7b6

                SHA1

                adbfb9a4a535b02070ee42b8c7c3e3869385cddd

                SHA256

                1b801101302614ed21310360c6b99a28ebeb11feea03d2f342b2282ebf86cbbc

                SHA512

                5e665f5e0e5f86103aa0f775978fcfdecf350738cbe5fc1cc4c31f5a998a9afd69ff390a73d427ea96d6a2c60993906a1c7737ff5cc8c0aeec5207b54ca0a03d

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

                Filesize

                2.0MB

                MD5

                5aee612ed5d831679c01af589170f415

                SHA1

                2d326f93eed326fb721020ddf0cffa200d9aeda3

                SHA256

                23e0a66f6c0e9c99602f1a8037315b3ab0c8dab9b94263fe96aa72c50ffe0994

                SHA512

                3c4f5cb0b69e30d3bb777885c7d8c953d95b15d9019e56d1b9491aabbb7a2498a3476734febb32b01aac9581e5bd167ee2f87c3d444f00721a441c1e3b2b50c6

              • \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/324-30-0x0000000000910000-0x0000000000911000-memory.dmp

                Filesize

                4KB

              • memory/324-30-0x0000000000910000-0x0000000000911000-memory.dmp

                Filesize

                4KB

              • memory/324-30-0x0000000000910000-0x0000000000911000-memory.dmp

                Filesize

                4KB

              • memory/588-34-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-31-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/588-49-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-49-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-48-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-34-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-64-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-64-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-49-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-38-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/588-64-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-33-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                Filesize

                4KB

              • memory/588-31-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/588-33-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                Filesize

                4KB

              • memory/588-31-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/588-38-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/588-48-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-38-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/588-34-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/588-33-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                Filesize

                4KB

              • memory/588-48-0x0000000000440000-0x00000000004DC000-memory.dmp

                Filesize

                624KB

              • memory/2672-80-0x0000000000900000-0x000000000095E000-memory.dmp

                Filesize

                376KB

              • memory/2672-80-0x0000000000900000-0x000000000095E000-memory.dmp

                Filesize

                376KB

              • memory/2672-80-0x0000000000900000-0x000000000095E000-memory.dmp

                Filesize

                376KB

              • memory/2864-47-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-44-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2864-41-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-47-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-44-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2864-39-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-41-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-39-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-41-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-39-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2864-44-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2864-47-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2936-52-0x00000000000B0000-0x000000000010E000-memory.dmp

                Filesize

                376KB

              • memory/2936-52-0x00000000000B0000-0x000000000010E000-memory.dmp

                Filesize

                376KB

              • memory/2936-52-0x00000000000B0000-0x000000000010E000-memory.dmp

                Filesize

                376KB

              • memory/2952-60-0x0000000000880000-0x00000000008DE000-memory.dmp

                Filesize

                376KB

              • memory/2952-60-0x0000000000880000-0x00000000008DE000-memory.dmp

                Filesize

                376KB

              • memory/2952-60-0x0000000000880000-0x00000000008DE000-memory.dmp

                Filesize

                376KB