Analysis

  • max time kernel
    4s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 22:45

General

  • Target

    41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe

  • Size

    2.0MB

  • MD5

    909bd94ea59c280802a2625da53898c6

  • SHA1

    c6b1a0731800ae54342ed4841f1e82d82fda2a96

  • SHA256

    41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6

  • SHA512

    88f32555950f8b4da0e9d86a9382c26d65aa45bddb7bcf558cfa24dd534772ce756cb17da70455f6483cb7479f7306fe5c1eab913184a457eff2f7ee9361e2f4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YA

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\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe
    "C:\Users\Admin\AppData\Local\Temp\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.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:3764
    • 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:4596
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 548
          3⤵
          • Program crash
          PID:4360
      • 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:984
        • 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:3212
        • 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:4340
          • 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:2648
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fNACKNQC33gj.bat" "
            4⤵
              PID:1840
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3548
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2236
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:540
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 2268
                  4⤵
                  • Program crash
                  PID:3116
            • C:\Users\Admin\AppData\Local\Temp\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe
              "C:\Users\Admin\AppData\Local\Temp\41efb8d2be1f0500b3050bcd0f5ed620b06b7614ee970baecff80903a1e111a6.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4132
            • 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:2020
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4596 -ip 4596
            1⤵
              PID:4032
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4340 -ip 4340
              1⤵
                PID:1132
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:1372
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1556
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:5044
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 520
                          3⤵
                          • Program crash
                          PID:3484
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1976
                          • 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:1908
                            • C:\Windows\System32\Conhost.exe
                              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                              4⤵
                                PID:3212
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              3⤵
                                PID:2064
                                • 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:3620
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BGopKAShmKTm.bat" "
                                  4⤵
                                    PID:1680
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 65001
                                      5⤵
                                        PID:4116
                                      • C:\Windows\SysWOW64\PING.EXE
                                        ping -n 10 localhost
                                        5⤵
                                        • System Network Configuration Discovery: Internet Connection Discovery
                                        • Runs ping.exe
                                        PID:3432
                                      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                        5⤵
                                          PID:4756
                                          • 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:2364
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 2272
                                        4⤵
                                        • Program crash
                                        PID:4452
                                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                    "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                    2⤵
                                      PID:1328
                                    • 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:1888
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1556 -ip 1556
                                    1⤵
                                      PID:1508
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2064 -ip 2064
                                      1⤵
                                        PID:4428
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:1484
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:2988

                                          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\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\BGopKAShmKTm.bat

                                            Filesize

                                            208B

                                            MD5

                                            4e7750a14d37090a7981f82b449e3c85

                                            SHA1

                                            e06de0c822de4a2b941b80ff0a73b16d3b3a969d

                                            SHA256

                                            9263e4bc59ce83305602b4de42627debf1353dc2e01cf973c2b00a08f67c6da9

                                            SHA512

                                            7cc3fbb41a2b2ca2b6fa6dd83c21514b99a35eac3185dd3e827cdbc03ad4bdfdf69fdf892d567015262dfcee3329cb08cd361787ec1cb59076f8b48ef858e608

                                          • C:\Users\Admin\AppData\Local\Temp\fNACKNQC33gj.bat

                                            Filesize

                                            208B

                                            MD5

                                            f0ce09c31282b43995191029070f6afc

                                            SHA1

                                            d25410a527c057622f933b5195037a16196de9c9

                                            SHA256

                                            8f583b9471532281d945a73785621242c5e8acc75928a2d2d103eb72f971dd49

                                            SHA512

                                            bdf5e118e6bd4040136fec9148ab11a150bae5f60a51c5dc317e9084333a24532d13b8dcb1d1d8b322a3e3f40c35ae3ce3fdedd0becf81c93e520d8c29aa5942

                                          • 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\01-12-2025

                                            Filesize

                                            224B

                                            MD5

                                            4f081c5d043e1418a0dc49bb36a26a9f

                                            SHA1

                                            0d3ec8b2efcc443993b58245faba9f444bde7fcd

                                            SHA256

                                            c5691e6c9258856f9e7fbe4a7cfbc190ccc5e63452c0e55b53e10c49a260f043

                                            SHA512

                                            85f01f00f072bb6b6d1b4f5d1d72861677ed94f5799219c5925b3e9de50eabfe791966152544916a92a32b75739939d24ca7c848955fc0d26a06d85d54028c2e

                                          • C:\Users\Admin\AppData\Roaming\Logs\01-12-2025

                                            Filesize

                                            224B

                                            MD5

                                            882c0efc0912ab7dc00fc0ea4b3b06c2

                                            SHA1

                                            0ca2be5d858d201530894b06f5214a9ed83de2f0

                                            SHA256

                                            2718beb8d49623ce6e21cf8abdc6646072217311fe1a5c27af37f9747ffb248b

                                            SHA512

                                            3fbf58a4b0dfb5e22071f1d13dde142998c6ab982d239c6d678be8ff0cf6fb037bfe5daff5af163e62fa28936c1355046eee6070a6eca75ac0dd540382ff0166

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            b7154556a021de301b6678a90140b206

                                            SHA1

                                            7a782de96fd0627839a58c7f871c26777d612340

                                            SHA256

                                            d1dffccea2a28ba7de3e571ca9739c1eb7e82b8b57ec6c9fde71c1bd9dc3ca09

                                            SHA512

                                            f923c4a9cf8855544f6870769aae094c36c2fb2f7fff593a9f01be3e7654c36e5f201ae405c8bc1c9fd9247e18793af5d6f262de15890d58a8b78edb6dc46d23

                                          • memory/984-36-0x00000000064C0000-0x00000000064FC000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/984-35-0x0000000005F80000-0x0000000005F92000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/984-34-0x00000000052B0000-0x0000000005316000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/984-33-0x0000000005210000-0x00000000052A2000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/984-32-0x0000000005720000-0x0000000005CC4000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/984-31-0x0000000000850000-0x00000000008AE000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/1328-70-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1328-76-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/3764-19-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4132-28-0x00000000000F0000-0x0000000000110000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4132-20-0x00000000000F0000-0x0000000000110000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4340-44-0x0000000006180000-0x000000000618A000-memory.dmp

                                            Filesize

                                            40KB