Analysis

  • max time kernel
    4s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 21:51

General

  • Target

    370924a22ce4ff00959671d7e6fc95269e527a3119e918bf6e0d2460b86c3aa2.exe

  • Size

    2.0MB

  • MD5

    e5016eaff3085ba129a3213aaaa6a22a

  • SHA1

    4955c56154c8d6e357d8affe2d9a0da5a86d354f

  • SHA256

    370924a22ce4ff00959671d7e6fc95269e527a3119e918bf6e0d2460b86c3aa2

  • SHA512

    1f9c5de71f68dc5faa5322e39f345ace39944bd387cde438072916a7b71a909c4153f20f386e7fd7c78ec0a501508c12a8a7e4ab74c570a9c28402d851315326

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 6 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 2 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\370924a22ce4ff00959671d7e6fc95269e527a3119e918bf6e0d2460b86c3aa2.exe
    "C:\Users\Admin\AppData\Local\Temp\370924a22ce4ff00959671d7e6fc95269e527a3119e918bf6e0d2460b86c3aa2.exe"
    1⤵
    • Quasar RAT
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2484
    • 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 use of WriteProcessMemory
      PID:2528
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 160
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2428
      • 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:1096
        • 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:3020
        • 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
          PID:840
          • 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:2312
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\sFbXZRbd6PPW.bat" "
            4⤵
              PID:1368
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1816
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1736
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1992
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 1488
                  4⤵
                  • Program crash
                  PID:1852
            • C:\Users\Admin\AppData\Local\Temp\370924a22ce4ff00959671d7e6fc95269e527a3119e918bf6e0d2460b86c3aa2.exe
              "C:\Users\Admin\AppData\Local\Temp\370924a22ce4ff00959671d7e6fc95269e527a3119e918bf6e0d2460b86c3aa2.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3044
            • 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:2796
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {E597D166-D8C4-487C-AD9F-01E991B37428} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
            1⤵
              PID:2868
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2912
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:2184
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:1080
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 160
                          4⤵
                          • Program crash
                          PID:264
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1480
                          • 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
                            4⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:896
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            4⤵
                              PID:2524
                              • 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
                                5⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:2372
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            3⤵
                              PID:848
                            • 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:1640

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\sFbXZRbd6PPW.bat

                          Filesize

                          208B

                          MD5

                          3e756f0e7feddf77e8120f228dced7ef

                          SHA1

                          916c894591aa8ac9cd1de3dc77f1a5a839008654

                          SHA256

                          2a07fcc061aca3865a6d1d12a0ea46940931616da36ff1a86495b8f94e8fd7fb

                          SHA512

                          eedbca6a18abc0df2193ae8d1f62f200bc06fcf0f02c160e568a4b7e7e738ea5f6bae8501e8d48a7e28b410fb0fa03c2f97616f662100b654976ab8b54b269bf

                        • C:\Users\Admin\AppData\Roaming\Logs\10-30-2024

                          Filesize

                          224B

                          MD5

                          04634d704580d61877a62034cbda0cd6

                          SHA1

                          8c47d04d7e44d7f8e649a78e5cc39960ef300749

                          SHA256

                          320e8a58e47530f7e9dc35c1cf2a11c11c6a5b266ff65e935df6c21f202dbcf9

                          SHA512

                          e0df8b5270ab1ebe67f91edf7c90798898aa63083e933da9038c62b0c89f1b69f2bceeb51800c84fc13e34d397eda63837a0d559098e4f32f647a6e85446c220

                        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\00Y9OXSK.txt

                          Filesize

                          211B

                          MD5

                          c53d49c6d5c342a332ee6b7a422d4a57

                          SHA1

                          9795066cc31abf91e370b8f5fca5fbadc7e17ddf

                          SHA256

                          38652ad3f8812f25134b0c1bb6ea77d65e3836a8968cecac70c34628c2d87deb

                          SHA512

                          ab0307878c45af7c653770a528946ca3bb8fe3ca510d304fd129e0a7d36c82c26d6d0c250256f6b14caf331cf09fc43c2f284c5c90b5a8ba7d493e9db5504695

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

                          Filesize

                          2.0MB

                          MD5

                          8033f817efb334d6c644834374cdeefe

                          SHA1

                          b0df448155c939c7daac8424838df84b0ea3fff3

                          SHA256

                          af17b1beeded7ef69b418ef5eff522c2442cbb99be2aeeb862315e7c0c39b210

                          SHA512

                          e387f6ba5dbadfaa2cd903cf648be0dbccee7ff82320c811d96b2bdd7d468c35fd619f16bf5b8da8e85df6b6e0f1fff634f4b30b88a1c951638fe45033364d34

                        • \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/840-58-0x0000000000B20000-0x0000000000B7E000-memory.dmp

                          Filesize

                          376KB

                        • memory/848-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1096-46-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

                          Filesize

                          376KB

                        • memory/1480-108-0x0000000000CA0000-0x0000000000CFE000-memory.dmp

                          Filesize

                          376KB

                        • memory/2484-30-0x0000000000B30000-0x0000000000B31000-memory.dmp

                          Filesize

                          4KB

                        • memory/2524-133-0x00000000012B0000-0x000000000130E000-memory.dmp

                          Filesize

                          376KB

                        • memory/3044-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/3044-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/3044-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/3044-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB