Analysis

  • max time kernel
    5s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 05:28

General

  • Target

    b155c7b30d72b1d8bfa227915084959b21ad027dd9de6b3d0bfac0bd8d22a199.exe

  • Size

    2.0MB

  • MD5

    8d3c3ace1aa240de51c18c96dd3550cd

  • SHA1

    183a61f222d32d3c63135380d189a872e39bc1c9

  • SHA256

    b155c7b30d72b1d8bfa227915084959b21ad027dd9de6b3d0bfac0bd8d22a199

  • SHA512

    2cd191e4157147cddecae6ca0519aa06dda411d066cfc59e731b44d296f42ec61b1c1c4e98effabd0ceb6a50bf06021a917c6ab89ff0976b550deec4a1227119

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYi:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YU

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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 4 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 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 2 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 6 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\b155c7b30d72b1d8bfa227915084959b21ad027dd9de6b3d0bfac0bd8d22a199.exe
    "C:\Users\Admin\AppData\Local\Temp\b155c7b30d72b1d8bfa227915084959b21ad027dd9de6b3d0bfac0bd8d22a199.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:2332
    • 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:2252
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 552
          3⤵
          • Program crash
          PID:4944
      • 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:4268
        • 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:1136
        • 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:4900
          • 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:1196
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\W9qYhGvSejEm.bat" "
            4⤵
              PID:208
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2188
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1744
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4716
                    • 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:4840
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BvbvPZ87RfJz.bat" "
                      6⤵
                        PID:2472
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2848
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2972
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4612
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:2036
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 2212
                            6⤵
                            • Program crash
                            PID:2384
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 1972
                        4⤵
                        • Program crash
                        PID:3652
                  • C:\Users\Admin\AppData\Local\Temp\b155c7b30d72b1d8bfa227915084959b21ad027dd9de6b3d0bfac0bd8d22a199.exe
                    "C:\Users\Admin\AppData\Local\Temp\b155c7b30d72b1d8bfa227915084959b21ad027dd9de6b3d0bfac0bd8d22a199.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3820
                  • 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:3520
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2252 -ip 2252
                  1⤵
                    PID:4496
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4900 -ip 4900
                    1⤵
                      PID:4528
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2844
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4400
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1804
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 520
                                3⤵
                                • Program crash
                                PID:4608
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4552
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3200
                                • 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:984
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4400 -ip 4400
                                1⤵
                                  PID:3040
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4716 -ip 4716
                                  1⤵
                                    PID:5008
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1064

                                    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\Temp\BvbvPZ87RfJz.bat

                                      Filesize

                                      208B

                                      MD5

                                      1b4f5265631cadbe46182fc424096af5

                                      SHA1

                                      4a1eb2a766f8e21565570893880d93ce97a8bc63

                                      SHA256

                                      7a6a4ac64618e5871315eb99dfa3362d777cbaa34dc348779ee45f43eeb4efe6

                                      SHA512

                                      307de8c8211bf8aebcd246715d7a51054e7a968cc492f3e39097faa4d83466be3de8c9a36d2f5db78ba9a8d17833738352507b2005977c2c9b53afa4bf82f85f

                                    • C:\Users\Admin\AppData\Local\Temp\W9qYhGvSejEm.bat

                                      Filesize

                                      208B

                                      MD5

                                      f128da4eefef4a991ebe0d6e0fd7d526

                                      SHA1

                                      71d58cc937df20fff73c1a751b29054e4ca3e4a0

                                      SHA256

                                      6333392ebc69f290d243a69150e79ec9d9ad436d6e4523d5935ff4726f045b81

                                      SHA512

                                      e8c7900d0bba03f26b3c1f1044be59f930f6037eefd44af6aa6e53bbd5f12bdc92ec403faa5d9b0004d4584482e49f8e9f354790ad40a3191a1da640861aeb28

                                    • 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\01-17-2025

                                      Filesize

                                      224B

                                      MD5

                                      2d7e4ea602bf8246a706f5de9e490f02

                                      SHA1

                                      297145a8eb49cb5f8ef54929482da65c4676adcc

                                      SHA256

                                      49873c287f473bddefd52ca0e09961767300294a0bff65652480b6c0403b2f9f

                                      SHA512

                                      1bfeabf4ba11e848fc4d13fc15025e84120b5f063ca693482c106685a259b140cbfbaa3fceb7bcf5b8e21175b436bd4da5511e77679c6307d1cc4aeba53966fc

                                    • C:\Users\Admin\AppData\Roaming\Logs\01-17-2025

                                      Filesize

                                      224B

                                      MD5

                                      9cdc58d855effb74759b0d2dce916c74

                                      SHA1

                                      cdf0b666aa14f5e88f7ab39e6ac7f5d9eb2b18d2

                                      SHA256

                                      a5fd52b092f35d529fa24eef9c7ff22e5f44387507c51cc78f19c6dfbcbf26cc

                                      SHA512

                                      0ddee2ecca16a81286147ad3e604327d83ac48d3ebe1b0d6b32f43f80841cad9371f77d392fad9bfc68cab68bb68b9156244ca11d8373813cfc8db61d979314d

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      27fddfc88a83e0e2a91709592e6df036

                                      SHA1

                                      89724c0415a134bb71d2dec983d5d36c6a7b8058

                                      SHA256

                                      f3986eb6643b139cb9afc8722b208f2d3de3e288912b6bc036f152cd0bf30315

                                      SHA512

                                      7f26c198fb2b99bec2cfd009e9ebcffb3ebbcfb271a6ade225e95aa7bd5363ac0fb80044cf6fcfe6bd47ce5aa50f9eb2c926d0d674d06962ea7175386ee8b6dc

                                    • memory/2332-19-0x0000000004540000-0x0000000004541000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2332-88-0x0000000000260000-0x000000000046A000-memory.dmp

                                      Filesize

                                      2.0MB

                                    • memory/3200-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3200-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3820-20-0x0000000001220000-0x0000000001240000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3820-28-0x0000000001220000-0x0000000001240000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4268-29-0x000000007308E000-0x000000007308F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4268-37-0x0000000006460000-0x000000000649C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4268-36-0x0000000005F20000-0x0000000005F32000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4268-35-0x0000000005310000-0x0000000005376000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4268-34-0x0000000005270000-0x0000000005302000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4268-33-0x0000000005710000-0x0000000005CB4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4268-32-0x00000000007B0000-0x000000000080E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4900-45-0x00000000060E0000-0x00000000060EA000-memory.dmp

                                      Filesize

                                      40KB