Analysis

  • max time kernel
    5s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 10:48

General

  • Target

    4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe

  • Size

    2.0MB

  • MD5

    7b6ad46a65a6fae54d1932bdeabb88e0

  • SHA1

    0dcce5f926d6cd9d449923deca0f421fad2d68d6

  • SHA256

    4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcd

  • SHA512

    670bb0a3fda1d9b38b7dcfdd74f09ab1ddad71d353f3ac22bf828cdd0589d213970b7aceab33c350a57c3790b0d13416ad9696314036a4e646b247187856c2b0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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 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\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe
    "C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.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:2392
    • 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:2568
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 548
          3⤵
          • Program crash
          PID:2388
      • 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:528
        • 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:348
        • 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:4580
          • 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:2132
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\gNq1rxVQDWnh.bat" "
            4⤵
              PID:4200
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1092
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2928
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4456
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 2252
                  4⤵
                  • Program crash
                  PID:1360
            • C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe
              "C:\Users\Admin\AppData\Local\Temp\4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:1104
            • 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:2340
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2568 -ip 2568
            1⤵
              PID:804
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:1304
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:1640
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:3200
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 516
                        3⤵
                        • Program crash
                        PID:2068
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:2416
                        • 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:4436
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:4916
                            • 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:2340
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FNuIIR7wTgkV.bat" "
                              4⤵
                                PID:1028
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:1128
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:3548
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:4024
                                      • 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:4412
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 2268
                                    4⤵
                                    • Program crash
                                    PID:2876
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4956
                                • 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:4400
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1640 -ip 1640
                                1⤵
                                  PID:2008
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4580 -ip 4580
                                  1⤵
                                    PID:4336
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4916 -ip 4916
                                    1⤵
                                      PID:4120

                                    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\FNuIIR7wTgkV.bat

                                      Filesize

                                      208B

                                      MD5

                                      d2db5559d3fb8d0a9467f822edd48b67

                                      SHA1

                                      e21b406622b7acfe51f2b956f5a0bc6cf7d21569

                                      SHA256

                                      c1087daac076921e78e656c73d71e3f0895cf3807092bcdf503c112009bd5c36

                                      SHA512

                                      c4a118c4f1a90da8c1151106ac392ecf1615155683531c65f63bf193ddc865aed42fcf6abfe39645b88c0f7481189973837aded796204b634e09f9e828a57e62

                                    • C:\Users\Admin\AppData\Local\Temp\gNq1rxVQDWnh.bat

                                      Filesize

                                      208B

                                      MD5

                                      188de39e92b37213c1cee73df386d0b1

                                      SHA1

                                      f47a3589a0199acecf4953647c76daaf4684b5a7

                                      SHA256

                                      e5c8f8dae8392a94f31cfdf3070e7bd75d1e8fcd95ed69674e850fe5e3649cd7

                                      SHA512

                                      01bb65510b6e7030bf727dc0e5d8a3bb1896cdaa80abb1b57d122b14d2d45dd70692175e00483cb536b362f6010fe88030a783891fe1b4c6b89f7c725a6802e0

                                    • 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\01-03-2025

                                      Filesize

                                      224B

                                      MD5

                                      2d3c3823fd544fae5116bf5b2cdd321a

                                      SHA1

                                      4e099901a166eb69c1a77efa274b4495b154b221

                                      SHA256

                                      8accd859235a1d385ee7000676dab8442d351f0bc0914dbf3eafd22805bacea1

                                      SHA512

                                      608508909597bafd133d02f68c364d27254236250c75607de450132093c6386b2e7ef85a52175a6cc288aa2faa73f6caf88d0b8265cd524449e4151381919d5a

                                    • C:\Users\Admin\AppData\Roaming\Logs\01-03-2025

                                      Filesize

                                      224B

                                      MD5

                                      709c3544a699124daaae544925436f14

                                      SHA1

                                      ef6c445f5726349546f4b5967b137748aed30b80

                                      SHA256

                                      8e1675ece1e8efa50194b97d1eeb988851711d2969ee81d1b4f890fe87c7c6c7

                                      SHA512

                                      10df4c145b7de1808408ad047514609af8eb96fd188d766d9826a110f181e06f25d1d15648c0632837ad8a03443ed3e2e55c99f69a59e56cd15de411b130d6a9

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      a106a821b6e631d1140a5c992cc4f773

                                      SHA1

                                      14c978023bd62eff2729d7264cfc2ff6fde34a06

                                      SHA256

                                      e91ffdab37ae5238cdfc8513900888f866fbe370cc644cb923c4c1b1ee7616f7

                                      SHA512

                                      c502b92353926afe86a2e5c56328b7a979be7a9e6245472d215c0fb42583e2232393d53076b4d33a7545c5b0a84376687eb5dd01fa30ab295fae9cb2c4364f1e

                                    • memory/528-29-0x000000007390E000-0x000000007390F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/528-36-0x0000000005530000-0x0000000005542000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/528-37-0x0000000006120000-0x000000000615C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/528-35-0x0000000004F70000-0x0000000004FD6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/528-34-0x0000000004ED0000-0x0000000004F62000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/528-33-0x00000000055B0000-0x0000000005B54000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/528-32-0x0000000000480000-0x00000000004DE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1104-28-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1104-20-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2392-19-0x0000000000C80000-0x0000000000C81000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4580-45-0x0000000006850000-0x000000000685A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4956-71-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4956-77-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB