Analysis

  • max time kernel
    5s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 02:44

General

  • Target

    a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N.exe

  • Size

    2.0MB

  • MD5

    35d64806c83e40323809a0f5d65cb010

  • SHA1

    89797682194294de224ce2aa895b7d4c437a831f

  • SHA256

    a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331

  • SHA512

    dc570864b8fbf42766fde1b1da0f56bb4e53129ba06daa3d732f81acdeabfe39de323b78940cb0402cff296355b23fa783954b524269b72a3f346e807c9d63f5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

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 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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 8 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N.exe
    "C:\Users\Admin\AppData\Local\Temp\a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4768
    • 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:1204
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 548
          3⤵
          • Program crash
          PID:724
      • 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
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1396
        • 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:772
        • 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:5016
          • 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:888
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jrLHRDwIV6a8.bat" "
            4⤵
              PID:4824
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3932
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1144
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1436
                    • 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
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:3704
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9WcHMg65wo8F.bat" "
                      6⤵
                        PID:4336
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1968
                        6⤵
                        • Program crash
                        PID:4100
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 2228
                    4⤵
                    • Program crash
                    PID:1028
              • C:\Users\Admin\AppData\Local\Temp\a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N.exe
                "C:\Users\Admin\AppData\Local\Temp\a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:3424
              • 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:4288
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1204 -ip 1204
              1⤵
                PID:5024
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5016 -ip 5016
                1⤵
                  PID:3748
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:2360
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4740
                    • C:\Windows\system32\dwm.exe
                      "dwm.exe"
                      1⤵
                        PID:3392
                      • C:\Windows\system32\dwm.exe
                        "dwm.exe"
                        1⤵
                          PID:2412
                        • C:\Windows\system32\dwm.exe
                          "dwm.exe"
                          1⤵
                            PID:4536
                          • C:\Windows\system32\dwm.exe
                            "dwm.exe"
                            1⤵
                              PID:3972
                            • C:\Windows\system32\dwm.exe
                              "dwm.exe"
                              1⤵
                                PID:1004
                              • C:\Windows\system32\dwm.exe
                                "dwm.exe"
                                1⤵
                                  PID:2236
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:2036
                                  • C:\Windows\system32\AUDIODG.EXE
                                    C:\Windows\system32\AUDIODG.EXE 0x2dc 0x2fc
                                    1⤵
                                      PID:884
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3508
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:3840
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:2536
                                          • C:\Windows\system32\sihost.exe
                                            sihost.exe
                                            1⤵
                                              PID:4116
                                            • C:\Windows\system32\sihost.exe
                                              sihost.exe
                                              1⤵
                                                PID:1568
                                              • C:\Windows\system32\sihost.exe
                                                sihost.exe
                                                1⤵
                                                  PID:1636
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1436 -ip 1436
                                                  1⤵
                                                    PID:4016
                                                  • C:\Windows\system32\wbem\WMIADAP.EXE
                                                    wmiadap.exe /R /T
                                                    1⤵
                                                      PID:3936

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    • C:\Users\Admin\AppData\Local\Temp\jrLHRDwIV6a8.bat

                                                      Filesize

                                                      208B

                                                      MD5

                                                      1e0389f7b237485aba3b5f086c4cbf35

                                                      SHA1

                                                      1839ba6dc825c5e4cb3a0b9c79895f77f016410b

                                                      SHA256

                                                      5f2d8104354f3d8737da80420a829c321f9cdd510006cb6e3f3fca9c00b58420

                                                      SHA512

                                                      573081033c573bd73ac3b7a719e427e773a5e7d263d3b0e09391b76fce8641cbd602fea605d48465401a0e915410efda144d1af2368d09b64122ea78a439dc57

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

                                                      Filesize

                                                      405KB

                                                      MD5

                                                      b8ba87ee4c3fc085a2fed0d839aadce1

                                                      SHA1

                                                      b3a2e3256406330e8b1779199bb2b9865122d766

                                                      SHA256

                                                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                                      SHA512

                                                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                                                      Filesize

                                                      349KB

                                                      MD5

                                                      b4a202e03d4135484d0e730173abcc72

                                                      SHA1

                                                      01b30014545ea526c15a60931d676f9392ea0c70

                                                      SHA256

                                                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                                      SHA512

                                                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                                    • C:\Users\Admin\AppData\Roaming\Logs\10-11-2024

                                                      Filesize

                                                      224B

                                                      MD5

                                                      cc4aa6e540ed567c0c54cf908277b61b

                                                      SHA1

                                                      906675d64b5a65643437794cf164d01bf9fcfc4f

                                                      SHA256

                                                      186c38574511b319af459ee5afe379952b83da452e074ca8f7793ef17b66d5d2

                                                      SHA512

                                                      0689f38534d421b1065854cc05c49807c4e9817ca0db364ed19be98fdf2dad5220bc12e5228a89b660de4d43b46151cee5d320544f5c1abcc35ce7ec72a6f57f

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

                                                      Filesize

                                                      2.0MB

                                                      MD5

                                                      27d31773f682a036b8a128e0cab4253f

                                                      SHA1

                                                      84f16e67fda214bde28ec00c89bff02157f3728b

                                                      SHA256

                                                      4fc5a9f5144229210cdc62371d16824c36014c7111113b6171f73f4121d9c943

                                                      SHA512

                                                      bf7cf8a62bffe0acc985cac7009a210bf5487a532a91805688f7e3034660b2e6956044c0d05c5323054b7a910ee90fc952d3ce22d41621967e84e708419aad15

                                                    • memory/1396-29-0x000000007303E000-0x000000007303F000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1396-32-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

                                                      Filesize

                                                      376KB

                                                    • memory/1396-33-0x00000000059F0000-0x0000000005F94000-memory.dmp

                                                      Filesize

                                                      5.6MB

                                                    • memory/1396-34-0x00000000055A0000-0x0000000005632000-memory.dmp

                                                      Filesize

                                                      584KB

                                                    • memory/1396-35-0x0000000005500000-0x0000000005566000-memory.dmp

                                                      Filesize

                                                      408KB

                                                    • memory/1396-36-0x0000000006320000-0x0000000006332000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/1396-37-0x0000000006860000-0x000000000689C000-memory.dmp

                                                      Filesize

                                                      240KB

                                                    • memory/3424-28-0x0000000001400000-0x0000000001420000-memory.dmp

                                                      Filesize

                                                      128KB

                                                    • memory/3424-20-0x0000000001400000-0x0000000001420000-memory.dmp

                                                      Filesize

                                                      128KB

                                                    • memory/4768-46-0x0000000003F70000-0x0000000003F71000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/4768-19-0x0000000003F70000-0x0000000003F71000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/5016-45-0x0000000006530000-0x000000000653A000-memory.dmp

                                                      Filesize

                                                      40KB