Analysis

  • max time kernel
    4s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 06:42

General

  • Target

    226e96f1ede521509a6e1e1020e9afaaa80c7680370b47651606e577138e6038N.exe

  • Size

    2.0MB

  • MD5

    35806f5f2f1933739c942e08c31e6780

  • SHA1

    cca73ba4b8fecc88e6a569bdb7d0dea7958f1148

  • SHA256

    226e96f1ede521509a6e1e1020e9afaaa80c7680370b47651606e577138e6038

  • SHA512

    415ee6daee7f7011a24da2a9d24bcfbf2d4c1b70bfb1dda672290e911572b712e23cb7f3242e2f1f90a94df5b17ddaa60b93be5b88a44273920c079df20df377

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI: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 5 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 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 8 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\226e96f1ede521509a6e1e1020e9afaaa80c7680370b47651606e577138e6038N.exe
    "C:\Users\Admin\AppData\Local\Temp\226e96f1ede521509a6e1e1020e9afaaa80c7680370b47651606e577138e6038N.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:3000
    • 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:2372
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2924
    • 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:2408
      • 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:3012
      • 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 SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2180
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1948
    • C:\Users\Admin\AppData\Local\Temp\226e96f1ede521509a6e1e1020e9afaaa80c7680370b47651606e577138e6038N.exe
      "C:\Users\Admin\AppData\Local\Temp\226e96f1ede521509a6e1e1020e9afaaa80c7680370b47651606e577138e6038N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2104
    • 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:2808
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0ED961BC-C8AA-4F09-AA8B-AF8C3DF04A26} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
    1⤵
      PID:1040
      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        2⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
            3⤵
              PID:1276
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k
                4⤵
                  PID:2636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 160
                  4⤵
                  • Program crash
                  PID:844
              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                3⤵
                  PID:2744
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                  3⤵
                    PID:1236
                  • 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:1264

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

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

                Filesize

                211B

                MD5

                f334b4cd2673e56a03a17c602184174f

                SHA1

                10f5143278d4fd32e52ef6e687906acdac092ce1

                SHA256

                cedee1a22d228872ee8206249ef2010e931ac32d8012fabcb6a26fbd3d617b39

                SHA512

                525c228250b88a51780e60f0e740500138b7d9aea9a231e6cbafc79bc5375ff52af62601af06d9f25f78fa9d7329a9ef91cc13754769f9a3b8d7178d46164962

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

                Filesize

                2.0MB

                MD5

                eb3fd207f99bd2007412632a6f361303

                SHA1

                132a4ecb9983913be6e89d631845276c88b91dd5

                SHA256

                8610333b5d11bf850df90cc3545c8f06040d6fece9bd8ed373d1e6f7700b247f

                SHA512

                e3a402ede2b110ca6161480a7e98a4262def9876e1c90fe1d985bd94812861aba0877838f7ca9142f6fb110f3689eb6a559e942cc47902d1190d903a5347e566

              • \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/1236-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2104-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2104-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2104-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2104-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                Filesize

                128KB

              • memory/2180-62-0x00000000011F0000-0x000000000124E000-memory.dmp

                Filesize

                376KB

              • memory/2408-53-0x0000000000D30000-0x0000000000D8E000-memory.dmp

                Filesize

                376KB

              • memory/2744-109-0x0000000001050000-0x00000000010AE000-memory.dmp

                Filesize

                376KB

              • memory/2924-54-0x0000000000460000-0x00000000004FC000-memory.dmp

                Filesize

                624KB

              • memory/2924-46-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/2924-48-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp

                Filesize

                4KB

              • memory/2924-49-0x0000000000460000-0x00000000004FC000-memory.dmp

                Filesize

                624KB

              • memory/3000-30-0x0000000000E90000-0x0000000000E91000-memory.dmp

                Filesize

                4KB