Analysis

  • max time kernel
    4s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    27-08-2024 23:34

General

  • Target

    7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe

  • Size

    2.0MB

  • MD5

    2aa63d5fbf31675b8d1da4bd56be8acb

  • SHA1

    44d4335e92151f65e9b2e1149e877aa63e5baa69

  • SHA256

    7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c

  • SHA512

    22b996e991e09ad0ffcc033ad35a50503cd40e3563dc387687c42fed8c606bf95f0258ffbd307abd337d2448b1b7a6715002afb2003088e3b9f73273c2f39ba4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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 2 IoCs
  • Loads dropped DLL 8 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 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.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:2540
    • 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:2904
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2708
    • 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:2728
      • 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:2252
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:1000
          • 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:2296
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\GnUBe2ExGZCv.bat" "
            4⤵
              PID:1708
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:576
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1252
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2212
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 1496
                  4⤵
                  • Program crash
                  PID:760
            • C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe
              "C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2980
            • 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:2800
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {8F477959-9003-44BF-876E-B5238292CE07} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
            1⤵
              PID:2408
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2416
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:752
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:432
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1944
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:2404
                          • 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:2032

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\GnUBe2ExGZCv.bat

                        Filesize

                        208B

                        MD5

                        c95cac861c13df41d320c6f260240b59

                        SHA1

                        403d756a10ca8127712f26a1969a03dacd83dd01

                        SHA256

                        8a139ba610f6f8b7897911b6b32e1a3befc6d89b95bc4a2563f233d51ac9f485

                        SHA512

                        872b4195910d254bad02cf8901639b42fc680b9963c710cc278da9f777b253f9381eda1fa5fafec1d7697266ab882138bdc72c129d5efbd59e5d12cf597cf95f

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\MM9H1C59.txt

                        Filesize

                        211B

                        MD5

                        b3702fba908377b645489ef98f93296a

                        SHA1

                        390e8caf9b8d553b97ebff82166f38b9dc90c7d8

                        SHA256

                        82530e2e88974afbd8a6fa14c29e1f00c010558fe246fb7c41cf62e5e2a56bcf

                        SHA512

                        97530eb96f0dcfccdfee76db27e5bb6ea4561ddc34eb22dc0c282fe14ded825c0e8c21c3137f87d46cb537ef66ba0d6ae227295f1a95e42eb55e38ee69c75d57

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

                        Filesize

                        2.0MB

                        MD5

                        17ca6061b5b3c9bb75a56254112e1796

                        SHA1

                        90a57ce3dc90e56ff9ac9cc52cf79aee13fc2e1e

                        SHA256

                        977e7fe2d07eff61ba4b9e5f862a05b8ba230c0ba7b935c94fbc31507c81618b

                        SHA512

                        15161045dcb97c1e7d629365ca47afbaecff0c485d86a07df4b3ae06d3d7c9882228ffd8a0454e619c06c0a31f1af2509a5378abfb2ec43cdf52587d8eebadbe

                      • \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/432-131-0x00000000001D0000-0x000000000026C000-memory.dmp

                        Filesize

                        624KB

                      • memory/432-127-0x00000000001D0000-0x000000000026C000-memory.dmp

                        Filesize

                        624KB

                      • memory/432-126-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/1000-64-0x0000000000B00000-0x0000000000B5E000-memory.dmp

                        Filesize

                        376KB

                      • memory/1944-113-0x0000000001220000-0x000000000127E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2404-119-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2540-30-0x00000000007A0000-0x00000000007A1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2708-44-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/2708-46-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

                        Filesize

                        4KB

                      • memory/2708-51-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2708-50-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2728-54-0x0000000000890000-0x00000000008EE000-memory.dmp

                        Filesize

                        376KB

                      • memory/2980-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2980-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2980-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2980-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB