Analysis

  • max time kernel
    6s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 08:44

General

  • Target

    8f7b9603ed86d72e6617b451febb4b7f5028d0d6d76893bf4cfc596491b380c2.exe

  • Size

    2.0MB

  • MD5

    6fb6c869d361435b7bcc7d6840091313

  • SHA1

    ebac7d02cc59763b197ccfc5e5b160cd679b3b47

  • SHA256

    8f7b9603ed86d72e6617b451febb4b7f5028d0d6d76893bf4cfc596491b380c2

  • SHA512

    ca13de11891b17999eae87e7a87b071be8fd6da723c82ec695ee679ce60d50b161d9987a2659bd0db743319c936f9430b0d35ba08f59951ded12a3059cfb0baf

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yb

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\8f7b9603ed86d72e6617b451febb4b7f5028d0d6d76893bf4cfc596491b380c2.exe
    "C:\Users\Admin\AppData\Local\Temp\8f7b9603ed86d72e6617b451febb4b7f5028d0d6d76893bf4cfc596491b380c2.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:5096
    • 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:316
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 548
          3⤵
          • Program crash
          PID:4968
      • 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:116
        • 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:3092
        • 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:3328
          • 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:3588
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s2n7P4eYuarP.bat" "
            4⤵
              PID:1864
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3144
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2784
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:232
                    • 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:4416
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\juD57SkmWxmp.bat" "
                      6⤵
                        PID:4636
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1464
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:228
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3440
                              • 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:3972
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 2224
                            6⤵
                            • Program crash
                            PID:3600
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 2228
                        4⤵
                        • Program crash
                        PID:4856
                  • C:\Users\Admin\AppData\Local\Temp\8f7b9603ed86d72e6617b451febb4b7f5028d0d6d76893bf4cfc596491b380c2.exe
                    "C:\Users\Admin\AppData\Local\Temp\8f7b9603ed86d72e6617b451febb4b7f5028d0d6d76893bf4cfc596491b380c2.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4012
                  • 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:4564
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 316 -ip 316
                  1⤵
                    PID:4596
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4616
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3772
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2956
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 520
                              3⤵
                              • Program crash
                              PID:1424
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:700
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4172
                              • 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:1668
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3772 -ip 3772
                              1⤵
                                PID:1068
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3328 -ip 3328
                                1⤵
                                  PID:3272
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 232 -ip 232
                                  1⤵
                                    PID:1972

                                  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\juD57SkmWxmp.bat

                                    Filesize

                                    208B

                                    MD5

                                    e2b2772b9975bb716521adddcfa9901a

                                    SHA1

                                    2a7306d174e5ccc0eb696beb518e21c3357e679a

                                    SHA256

                                    4a55f240fa1784a1d0d6333c52655559b77819f57fd2306abcca7805278d4ade

                                    SHA512

                                    83e16f9166056ebb2ba2b0819ed5104754582fe2bc82b4ed833e5485ccc6d8bbc4e4b234c0ce7dfb8b4e806e2b5e3307fc2ba1ee58c73fea4ff7a601af98f114

                                  • C:\Users\Admin\AppData\Local\Temp\s2n7P4eYuarP.bat

                                    Filesize

                                    208B

                                    MD5

                                    2333b9a33dba5a7ab48dc4b3a72bd50c

                                    SHA1

                                    50a9166f78304dc34a9cf082127b24f8c64fd534

                                    SHA256

                                    3d463cb757fe8ab2130d0ca227cdd54e45fbc6a723216acdf87dc76edae08ba4

                                    SHA512

                                    ff1ed34c7149a6383bcf51d6a61bc601d5e9214ec6139d5b72fe70f2b1fe3639183295b507f5706c43e2a346b966d9b257f9fb2d80cb08dba7a454666e26ebe3

                                  • 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\01-24-2025

                                    Filesize

                                    224B

                                    MD5

                                    617bc53090c8118ff341243411100626

                                    SHA1

                                    29d9fde4be9f3ad512f25835eb721d0216fec1f7

                                    SHA256

                                    535bf5a4188c80cb11c97d5513d6ec2cab2c9d99ae6571c6e63d3a08a61f14bf

                                    SHA512

                                    7405a850ecc69e89d96f890b3ae925fe01349df63d7d5a67e9a9f31a058e489042c4eb5c3a2398ab050bdf5fcfada355297d6a7017b07373a5e1686822fa8859

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-24-2025

                                    Filesize

                                    224B

                                    MD5

                                    95e257f13487d0b12d01816750f8459a

                                    SHA1

                                    d405f80aa59cf389ce903ceb63470b708ea9f5a0

                                    SHA256

                                    007f19f0bc30a226b0c594df82bb3df72c3961d8f629c3aa462f0ceee4fb1624

                                    SHA512

                                    604d1f8a9f1455b05c0fac016d59f1c6e68396edff231d7b31fea5e70e8f127c5d6bf9924de675bc4781f86ba51c875f4671bab43e2befeb4b0b9b6f68fb30f4

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    1f6bf489276f6033ff8752db68513473

                                    SHA1

                                    a633dc934fed5bcbbea428c5ed10a5085b6f41ea

                                    SHA256

                                    7f11a6099ffc83546871febd0dad7f7f1a0ab0143a9d85178530c7efe1fae247

                                    SHA512

                                    0e7e8a5c609bd110ddb1534daaa1d0f9a992bf4dc87380edd9759360e0049bf8eb3c86441894e5b9a1d746381eaf1f577520a3e6da4ad7600131eaaca5af6d3f

                                  • memory/116-32-0x0000000000F60000-0x0000000000FBE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/116-35-0x0000000005990000-0x00000000059F6000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/116-36-0x00000000065B0000-0x00000000065C2000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/116-37-0x0000000006AF0000-0x0000000006B2C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/116-34-0x00000000058F0000-0x0000000005982000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/116-33-0x0000000005E00000-0x00000000063A4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/116-29-0x000000007352E000-0x000000007352F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3328-45-0x0000000006800000-0x000000000680A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4012-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4012-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/5096-19-0x00000000037E0000-0x00000000037E1000-memory.dmp

                                    Filesize

                                    4KB