Analysis

  • max time kernel
    5s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 02:38

General

  • Target

    bdaf11a70ba45c0932675eb83f0cd0e38cc040facd366dbbcb418960c67e6102.exe

  • Size

    2.0MB

  • MD5

    3ca4ea814a4e5736cb009b3eaf2df8f1

  • SHA1

    c119b4dd29dae653f386d5e2211e0cec0a72f622

  • SHA256

    bdaf11a70ba45c0932675eb83f0cd0e38cc040facd366dbbcb418960c67e6102

  • SHA512

    5d1f8b148587d33bf703661a5939cb7f322ca7e260a95478422dbcf58d20b98b6001fe94b06db6e8c9814f688f16696f3ab9b4593bf4943f3c583b13453e70fa

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYK:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ys

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 3 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 2 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 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\bdaf11a70ba45c0932675eb83f0cd0e38cc040facd366dbbcb418960c67e6102.exe
    "C:\Users\Admin\AppData\Local\Temp\bdaf11a70ba45c0932675eb83f0cd0e38cc040facd366dbbcb418960c67e6102.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:4200
    • 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:4568
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 548
          3⤵
          • Program crash
          PID:2684
      • 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:1916
        • 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:2968
        • 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:3356
          • 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:684
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\m4u9imfgIr8B.bat" "
            4⤵
              PID:3756
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1028
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3196
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4292
                    • 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:4684
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UnjkKdhuAiFi.bat" "
                      6⤵
                        PID:3512
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2428
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2416
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3984
                              • 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:1012
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 2224
                            6⤵
                            • Program crash
                            PID:4992
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 2236
                        4⤵
                        • Program crash
                        PID:3348
                  • C:\Users\Admin\AppData\Local\Temp\bdaf11a70ba45c0932675eb83f0cd0e38cc040facd366dbbcb418960c67e6102.exe
                    "C:\Users\Admin\AppData\Local\Temp\bdaf11a70ba45c0932675eb83f0cd0e38cc040facd366dbbcb418960c67e6102.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1936
                  • 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:4580
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4568 -ip 4568
                  1⤵
                    PID:4232
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3356 -ip 3356
                    1⤵
                      PID:2872
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2012
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1156
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4452
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 520
                                3⤵
                                • Program crash
                                PID:4580
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:884
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4568
                                • 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:460
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1156 -ip 1156
                                1⤵
                                  PID:4624
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4292 -ip 4292
                                  1⤵
                                    PID:668
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3124
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1904
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:460
                                          • C:\Windows\explorer.exe
                                            explorer.exe /LOADSAVEDWINDOWS
                                            2⤵
                                              PID:4036

                                          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\UnjkKdhuAiFi.bat

                                            Filesize

                                            208B

                                            MD5

                                            7128b94bca2f3e6fdab7b6e94cccb43c

                                            SHA1

                                            c5597f74d9fa1f235fcb99cf940a32b40f2c9c42

                                            SHA256

                                            3f5ce2fc022eb9cf86027a70c74305c2314fb1724f868e58cba53452a55215c4

                                            SHA512

                                            bc7b00ae30adfcc43812cff1b0bbd0cb0ad1a8b1f348675207798a9597e2025b616396d6e230884cc37cdd37abffab55b31f7ed23722729549f6a9b382d90543

                                          • C:\Users\Admin\AppData\Local\Temp\m4u9imfgIr8B.bat

                                            Filesize

                                            208B

                                            MD5

                                            8ddac9d63562ebb014496310bb1b0b98

                                            SHA1

                                            a5b2e316cec0ab1c683c607bcbe652518a792aa8

                                            SHA256

                                            adb852a26550f9b385e93af77810fa6f775f57380cfab312e0d95f9f984abbe9

                                            SHA512

                                            7ee4e41e64eb95266a5364bf832adcb229b2c26740b282e9b545daff21a2813adf767035b4ccd2226389b32fada35654ddf52f53c6aefa6f6577af87e7c6553d

                                          • 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\10-05-2024

                                            Filesize

                                            224B

                                            MD5

                                            a4d2b1583ce10abb0f4c852d91b28c9f

                                            SHA1

                                            5b2f8dd41988db73fe3aecf57e8a763394cfc642

                                            SHA256

                                            1017b9d5e6495384c2ec293f18eff5538314dab654ff276d88b54b5da6e1fef6

                                            SHA512

                                            bdd7736604583bab2bd2adfd0cd6e902f8d6a092d41cf56176c64bc9e64b2983716ea8a9febc0aaa7489a1b7d1c1dab73f647cb02609d4c8a5b1034126d48c71

                                          • C:\Users\Admin\AppData\Roaming\Logs\10-05-2024

                                            Filesize

                                            224B

                                            MD5

                                            a69dde9b70b1c59fc2f29d9308a7b10f

                                            SHA1

                                            636a9758534d40286dc702b163766024c2c6f17c

                                            SHA256

                                            b9c0588f1c2e24a35feb73ce2c3a7758f707dcdb4e6d4bccf807d9090cc37a13

                                            SHA512

                                            aad2e33b08ad7a5b528e7d9b41685eac1c4e019d860a3c687b4bbcb684881bc5b0a3d171021aab2382abfdf9f3fb11b0b7df2530e3d526b9dd09720a2c33b9ab

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            99bc516dfa12cead4a3bc4d10c799dce

                                            SHA1

                                            0a8e9080b9274099738895a31ded7db271b1d257

                                            SHA256

                                            1d942b532b654c94da579444a026c78aabff0d11689bbc6d90700b33af21d3e9

                                            SHA512

                                            b076023b5fdcca858a078dcec604e8ac64cb6e250f893ea877451745c6ee069116685ab7d93f094071d7ef04cf5ff7d508aecdfb45e542a5dab371891e020b6b

                                          • memory/1916-36-0x00000000056D0000-0x00000000056E2000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1916-35-0x00000000049A0000-0x0000000004A06000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/1916-34-0x0000000004A50000-0x0000000004AE2000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/1916-37-0x0000000005C10000-0x0000000005C4C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/1916-31-0x0000000005000000-0x00000000055A4000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/1916-30-0x0000000000090000-0x00000000000EE000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/1916-19-0x000000007343E000-0x000000007343F000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1936-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1936-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/3356-45-0x0000000006060000-0x000000000606A000-memory.dmp

                                            Filesize

                                            40KB

                                          • memory/4200-20-0x0000000004070000-0x0000000004071000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4568-71-0x00000000004B0000-0x00000000004D0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4568-77-0x00000000004B0000-0x00000000004D0000-memory.dmp

                                            Filesize

                                            128KB