Analysis

  • max time kernel
    2s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 23:14

General

  • Target

    68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe

  • Size

    2.0MB

  • MD5

    4ea7103214b50d185fa6d3ba4df3bb17

  • SHA1

    d1043763a20561ae4b13398902c56bf1acc581f9

  • SHA256

    68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257

  • SHA512

    1881b8161a18aa65c4521edfa07f7d3d0982743237e18d24e6283b3eac7075701cc62fb9280887bf10a608c122cfa308acf5a88fc8fcc72ab9c0749a0feb9210

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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 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 2 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe
    "C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.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:2992
    • 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:2808
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 160
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2720
      • 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:2700
        • 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:1268
        • 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:3028
          • 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:780
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\XcWuPvm8QUzw.bat" "
            4⤵
              PID:396
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2760
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1792
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 1492
                4⤵
                • Program crash
                PID:2404
          • C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe
            "C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2680
          • 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:2460
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {C93FDAFD-96F0-4D0D-A000-0F11672985BB} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
          1⤵
            PID:2276
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              2⤵
                PID:1496
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  3⤵
                    PID:2260
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      4⤵
                        PID:2152
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      3⤵
                        PID:1984
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        3⤵
                          PID:1472
                        • 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:2312

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\XcWuPvm8QUzw.bat

                      Filesize

                      208B

                      MD5

                      72ca57689e27715dec5ec3a20aa24e77

                      SHA1

                      209af7747eb10bcf8b97458a524030a76b0525e2

                      SHA256

                      32b7b14ac0ff655b54c074b9f0f2a5f45e8f2efb615f843a80336f925905cec0

                      SHA512

                      93d39b5fb8ede39febbd85bf86bff44fbca49a4f0f248e7e1453f1e345d39a2aa9dbffa31f9a1737b1cf55462d1b5280466456cca272abb36c8ab4e1ce2da22c

                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                      Filesize

                      405KB

                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\QU5Z1EZA.txt

                      Filesize

                      213B

                      MD5

                      81a79655707e38afc2c233cf4768f789

                      SHA1

                      fafdb89f8aa361104403e35bd116b5a8eccecbca

                      SHA256

                      6c9c0441c0aafa68d93c7902c81a380cd96af79847b0efe97959ee16af594ad2

                      SHA512

                      d075218564060badf8f3eaca072eca5f8a6ade613fb22e1dd2fa3518b9db7c7a490185aab75c9a521d366ea1dbe1f910d01d24b1a3051ce2c622c63d10424fab

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

                      Filesize

                      2.0MB

                      MD5

                      f1789660e115c1ed66caa989d3300179

                      SHA1

                      353b2fbac27ed142162aad6b11a50deb509c8df3

                      SHA256

                      c83e0a641848a49cfde715585da64ae3b6fb4ba753252094d6e63ce67ad6f240

                      SHA512

                      e3103134d1b325f2e6f064317267b2fa61c547b7b491f172e5f727783b04306f3deb47fa042c6d22828d26c859dc17a457e3da4f31f9df9bc2d5a9d6dd6d10c1

                    • \Users\Admin\AppData\Local\Temp\windef.exe

                      Filesize

                      349KB

                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • memory/1472-109-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/1472-105-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/1472-102-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/1984-112-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2152-85-0x00000000003E0000-0x000000000047C000-memory.dmp

                      Filesize

                      624KB

                    • memory/2152-82-0x0000000000020000-0x0000000000021000-memory.dmp

                      Filesize

                      4KB

                    • memory/2152-84-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                      Filesize

                      4KB

                    • memory/2152-113-0x00000000003E0000-0x000000000047C000-memory.dmp

                      Filesize

                      624KB

                    • memory/2680-30-0x00000000000C0000-0x00000000000E0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2680-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2680-28-0x00000000000C0000-0x00000000000E0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2680-40-0x00000000000C0000-0x00000000000E0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2700-49-0x0000000001220000-0x000000000127E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2992-114-0x00000000010D0000-0x00000000010D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2992-45-0x00000000010D0000-0x00000000010D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3028-60-0x0000000001350000-0x00000000013AE000-memory.dmp

                      Filesize

                      376KB