Analysis

  • max time kernel
    5s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2024 19:46

General

  • Target

    5ccc59d4cb500f3b4845b35ce7e76b00N.exe

  • Size

    2.0MB

  • MD5

    5ccc59d4cb500f3b4845b35ce7e76b00

  • SHA1

    a779845d6d4eb83fffa16b7bd53c67fdbcff0f3b

  • SHA256

    ab718fee68d503c4ab5ca99de20e403666cc7dd82029838ba318ba711e713a74

  • SHA512

    035fec5ab6011a49cb0d258376de673064c9c2319fae0b80f9770382fad11c3350907d2ef25b57a21461e0bd565d0ba35961d68b279334a055236bc5db7c514a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY+:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

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 4 IoCs

    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 3 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 4 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 7 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\5ccc59d4cb500f3b4845b35ce7e76b00N.exe
    "C:\Users\Admin\AppData\Local\Temp\5ccc59d4cb500f3b4845b35ce7e76b00N.exe"
    1⤵
    • Quasar RAT
    • 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:1116
    • 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:3620
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 552
          3⤵
          • Program crash
          PID:2316
      • 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:232
        • 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:4660
        • 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:3944
          • 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:3600
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat" "
            4⤵
              PID:1056
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4160
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4280
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5020
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 2240
                  4⤵
                  • Program crash
                  PID:4388
            • C:\Users\Admin\AppData\Local\Temp\5ccc59d4cb500f3b4845b35ce7e76b00N.exe
              "C:\Users\Admin\AppData\Local\Temp\5ccc59d4cb500f3b4845b35ce7e76b00N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2072
            • 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:4176
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3620 -ip 3620
            1⤵
              PID:3420
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3944 -ip 3944
              1⤵
                PID:3808
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4452
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3188
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4884
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 520
                          3⤵
                          • Program crash
                          PID:4116
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:2660
                          • 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:4000
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:1184
                              • 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:4724
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A8RO7XFNykfP.bat" "
                                4⤵
                                  PID:3052
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:2316
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:3136
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:3180
                                        • 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:3556
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 2268
                                      4⤵
                                      • Program crash
                                      PID:404
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:2376
                                  • 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⤵
                                    • Scheduled Task/Job: Scheduled Task
                                    PID:3548
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3188 -ip 3188
                                  1⤵
                                    PID:4876
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1184 -ip 1184
                                    1⤵
                                      PID:3024

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                      Filesize

                                      1KB

                                      MD5

                                      10eab9c2684febb5327b6976f2047587

                                      SHA1

                                      a12ed54146a7f5c4c580416aecb899549712449e

                                      SHA256

                                      f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                      SHA512

                                      7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                      Filesize

                                      701B

                                      MD5

                                      5de8527438c860bfa3140dc420a03e52

                                      SHA1

                                      235af682986b3292f20d8d71a8671353f5d6e16d

                                      SHA256

                                      d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                      SHA512

                                      77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                    • C:\Users\Admin\AppData\Local\Temp\A8RO7XFNykfP.bat

                                      Filesize

                                      208B

                                      MD5

                                      cd73cae2b87fc81b400bdae343e0bbae

                                      SHA1

                                      b41bcad0c73212737ab96bd4fbc5927a5a01d8d9

                                      SHA256

                                      124e23abee57c4903dd76c28fd9043f8e449e3cd84132d245d6287fc3e1c076e

                                      SHA512

                                      0fc8ba1c6d0595e12fda333410c2aac67d46d82bc409ef568c81df90fb56cbc1495d9fb321e9f4f90cd86aa393c3b0c25af8b936890f5a60e4966d47f895bd65

                                    • C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat

                                      Filesize

                                      208B

                                      MD5

                                      acd66156590e3c87b46dc6f033836410

                                      SHA1

                                      dd050672d05b27d00b6f049fe5ed6e666c92f009

                                      SHA256

                                      b48cc9ed3aafda38ec0775f55ae2af73fcfd9c13b3b75e0a50582aca069bbe21

                                      SHA512

                                      66c381d1508a97d2cf8ead2978cc8cfacde8ffd20ebef077f0f4a73380eb916c06737915587c91643cfec2412d2d0905a3a9661a081b1708cf4ba5e11d47e859

                                    • 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\08-30-2024

                                      Filesize

                                      224B

                                      MD5

                                      cc8f731860834cb5ad9bc9efd8a56531

                                      SHA1

                                      8724428ce4e49d6970f59d66fcc4b50c647abcd0

                                      SHA256

                                      c31b797a6cdf248a471999f002e6ebbad562e95236044dacd50dde5cd9a8bbcb

                                      SHA512

                                      0ddc40303a600f19fc6c8274908f30599dbff440750ee4c5f77b09b8303eb29d21ecf7db46fe68342d9bd5ae256444e9a86adf20fe983e90b2660bdb1fa124b4

                                    • C:\Users\Admin\AppData\Roaming\Logs\08-30-2024

                                      Filesize

                                      224B

                                      MD5

                                      9776945d8b57fcefcdcaa66ae6c54c6d

                                      SHA1

                                      dde12d2496f693e64d1f165d93e64cf1d1188a4f

                                      SHA256

                                      f96d2540b9920ef6ce459b16a27b91c4d0045c745bd66dcb8a2b37fc47c53320

                                      SHA512

                                      a8edb8b02920f132878542b8b64ebbeff9b966199c05acf1aa42693650b7c2c233295e258de3c4860b849f6dccc09b0a95302bd6b9735a864d7869da65115bb6

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      fa0762fdcefca2ea35a831f503d58edc

                                      SHA1

                                      9e3df428b2e74e1f99b48b63aa78a2bb13ed7061

                                      SHA256

                                      eae82333f4597ea94de9520295c292b00aa4f39c7314021ff9a13ab373425890

                                      SHA512

                                      1463a34a5e2d9b6c509e84bef81f92750b4047b98651008ae3fb2a8cf954576d0ec73351af5b16c4e8318b682bb9b11ec1ee87392811e06ffb6cabb7d131cf8f

                                    • memory/232-34-0x0000000004F10000-0x0000000004F76000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/232-36-0x0000000006020000-0x000000000605C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/232-35-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/232-33-0x0000000004E70000-0x0000000004F02000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/232-32-0x0000000005310000-0x00000000058B4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/232-31-0x00000000004B0000-0x000000000050E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1116-19-0x00000000029B0000-0x00000000029B1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2072-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2072-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3944-44-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

                                      Filesize

                                      40KB