Analysis

  • max time kernel
    3s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2024 10:09

General

  • Target

    8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe

  • Size

    2.0MB

  • MD5

    92b4e1b83bd1d806d59f6eee8a28ffa0

  • SHA1

    75238a373abd56968689c81693b72c1590875a23

  • SHA256

    8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54

  • SHA512

    e6e767cf9172a5ee499d7a3fc187db2fc4ab0bf49719f35e6c87a7bdb48c2b7592e2b2437bc7aa5b79fed541b10190db5809856f5f2275460d783da77fc233c4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY0:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 5 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 13 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 1 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 7 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.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:316
    • 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 behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 180
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2732
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2476
        • 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:668
        • 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 WriteProcessMemory
          PID:1468
          • 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:2000
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\d0YAaOtP3KuS.bat" "
            4⤵
              PID:2152
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2036
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2016
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2388
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 1512
                  4⤵
                  • Program crash
                  PID:1796
            • C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe
              "C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2804
            • 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:2712
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {359816B0-6B0C-43E9-9597-0E34BD2CEDC9} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
            1⤵
              PID:2772
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1836
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1512
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:2256
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 160
                          4⤵
                          • Program crash
                          PID:2580
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:2220
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:2924
                          • 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:1084

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\d0YAaOtP3KuS.bat

                        Filesize

                        208B

                        MD5

                        11edf330ea0d515e4a7363980c1b8c88

                        SHA1

                        d17cee47470792b01c22f82d1c1249d18fbfc508

                        SHA256

                        ca83df742af2b9018e9a9171a262d754580a5c99b2c27d8f962b41bb691452fb

                        SHA512

                        035b7bfefabb52721f97ba787802004d75ebf06a5c52ea477506f5c3648392da2d83a33ad8f0b97405ce30b463f5a193c890621f9eb750caad038673c1b74279

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

                        Filesize

                        211B

                        MD5

                        e8a9e131896bd6f1282295e7c4db6b20

                        SHA1

                        21ca7208c6f2f81ea69833e6393e0f18a0f3fd3e

                        SHA256

                        81b7c7a75baf1ba13edf4373455de8595232b9a8dc2100ae73bfe2cd39112ee6

                        SHA512

                        3f3d625faa675da3a8241d90391673f2875d251d90ef4681dbeed9c06ea482b69b78aa7250667f9550a9f6c39d1eb361f4521ccbbd8571bb565d634a2691d4c6

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

                        Filesize

                        2.0MB

                        MD5

                        bb5d53c7e8a07e14d627d62a79685464

                        SHA1

                        73746f1a2403f3ed87684a3812efd170381946e1

                        SHA256

                        551aa84047da37752fbb0259652602cac217bb891176ec18ae249a77d748f94a

                        SHA512

                        b010e51b51b5c2e7074b5e36f85bfba589d6138f875f497cf84bbf6f82346d20d988d39711044205956892280348b83a40f908a99ee0eb9a6eb41c13423fc8f8

                      • \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/1468-57-0x0000000000DA0000-0x0000000000DFE000-memory.dmp

                        Filesize

                        376KB

                      • memory/2220-94-0x0000000001040000-0x000000000109E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2476-45-0x00000000012F0000-0x000000000134E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2804-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2804-29-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2804-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2804-42-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2924-92-0x0000000000400000-0x0000000000420000-memory.dmp

                        Filesize

                        128KB

                      • memory/2924-88-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2924-85-0x0000000000400000-0x0000000000420000-memory.dmp

                        Filesize

                        128KB