Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 10:23

General

  • Target

    883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe

  • Size

    2.0MB

  • MD5

    4d6da9c6608dcb49d0d80811daa72cd9

  • SHA1

    65aa094146b36010606c9dfb14dc66460dac409e

  • SHA256

    883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c

  • SHA512

    6003a98297df26bda509df3e12fb028b6820219fd0a4cb06ea7da9f583184bdd6fceab5b463f528126fd5034e2aa2f326e243ef5abec8eaeebd5f689282e495b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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 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\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe
    "C:\Users\Admin\AppData\Local\Temp\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.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:4932
    • 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:2328
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 556
          3⤵
          • Program crash
          PID:2776
      • 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:3288
        • 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:464
        • 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:540
          • 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:4108
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\y4J2WK4KwkPY.bat" "
            4⤵
              PID:2204
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:636
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3788
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3152
                    • 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:3472
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AYAvZVzo78St.bat" "
                      6⤵
                        PID:544
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4736
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1328
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3076
                              • 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:224
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 2288
                            6⤵
                            • Program crash
                            PID:2008
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 2248
                        4⤵
                        • Program crash
                        PID:1048
                  • C:\Users\Admin\AppData\Local\Temp\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe
                    "C:\Users\Admin\AppData\Local\Temp\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4556
                  • 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:4280
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2328 -ip 2328
                  1⤵
                    PID:2316
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 540 -ip 540
                    1⤵
                      PID:3716
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4672
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1704
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3948
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 520
                                3⤵
                                • Program crash
                                PID:4972
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2228
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4804
                                • 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:5096
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1704 -ip 1704
                                1⤵
                                  PID:1968
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3152 -ip 3152
                                  1⤵
                                    PID:4748
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4592
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3288

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      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\AYAvZVzo78St.bat

                                        Filesize

                                        208B

                                        MD5

                                        3aa40690bf81052ebb0c864137b03d19

                                        SHA1

                                        8d3dc09121d2320e1b7f3ec993bb77d4b5279440

                                        SHA256

                                        d718b3502d1657da6eca62d1a505cd0289579854de1300e55b218bedca36242e

                                        SHA512

                                        989b80e5de9157f6267a92cee30f879836e1b76e622fdef44311c2977355de4c7202a95f5df9eebd458e052c9b7d46eaf090449bd1621da97ecd9ababae703d0

                                      • 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\Local\Temp\y4J2WK4KwkPY.bat

                                        Filesize

                                        208B

                                        MD5

                                        745ac237d86d20c20dd5256838888693

                                        SHA1

                                        f8eda4d9b29b1f8aa98d939587cc889808842970

                                        SHA256

                                        464b0b5d3d7c064b0f9867c83e16c86cc5d807bb264a1525cc6918d607e79181

                                        SHA512

                                        9819d5830ed5ae595bfe700eca3e290f4318c5d62e5d1079bea6b66219f8bf6a71d621c0b340a5b50fc03b1523d3935a099405a874304c370b75cdc9ac50429b

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        4e88ad94448b0d4bb55526edb3b156a2

                                        SHA1

                                        413914585cca6f4dfbc8ea58c91ad8f3de9c64f3

                                        SHA256

                                        a568935a2d6346cee9e88818226545513f3a966e653b1c574b235caad991a846

                                        SHA512

                                        1adca81705564096cef60f05e6f39b8d3f932cd12be9f65818ac009d647004bbf18d423fb9256a674218f2a25437d87f0178bc8f23faf3dc5ee6fb58e3ebefb0

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        e317351c99c075640fee28ddf6980845

                                        SHA1

                                        fb55002e13a0d7c0ddfa6dbb6c13dda2f55cf54c

                                        SHA256

                                        5910d1e5fb597eeb8297504cfa201f089f063349e42cc8d724d0133800d9b279

                                        SHA512

                                        52486169337aa6ff124a3a299adb364e322d8eb4c99ba0a1ef17e84260fbfe28ab1163e6b8f25945b5b9604963afef6265d5baedbf114711d477d8a0b55dc0f7

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        d6e8f554a1056e0dca3572369cada6ff

                                        SHA1

                                        bf2564e592393b0ec309d2ac5db1e05c1a4b142a

                                        SHA256

                                        a0f5dd7c9296c17e40c6dc25cedb203cae03ad8fa10dd95f38a45d55d9d1beab

                                        SHA512

                                        f89bb525f271b4358780b32f6e7b28c57696f59913d230a338342cf09dfcc57e24dd00469a5834c7ee9ff3a40172cac40b68339f2a031e766d7fc903e5f12dba

                                      • memory/540-45-0x00000000069D0000-0x00000000069DA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3288-29-0x0000000072FAE000-0x0000000072FAF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3288-36-0x0000000005D30000-0x0000000005D42000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3288-37-0x0000000006B20000-0x0000000006B5C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3288-35-0x00000000059E0000-0x0000000005A46000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3288-34-0x00000000058E0000-0x0000000005972000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3288-33-0x0000000005D70000-0x0000000006314000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3288-30-0x0000000000FC0000-0x000000000101E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4556-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4556-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4804-74-0x0000000001280000-0x00000000012A0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4804-80-0x0000000001280000-0x00000000012A0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4932-19-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

                                        Filesize

                                        4KB