Analysis

  • max time kernel
    4s
  • 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
    11-12-2024 17:24

General

  • Target

    eba6716f86e0f7c512c53017c53696d66ffb6912644ce40eefc001ce5930d581.exe

  • Size

    2.0MB

  • MD5

    8dbebca5411feb3b36096b854ad45476

  • SHA1

    9fc536e74e2c4e55b6a40a045871052c0e759c27

  • SHA256

    eba6716f86e0f7c512c53017c53696d66ffb6912644ce40eefc001ce5930d581

  • SHA512

    f26d8721d23ec997c3fd98153add5b7f0be72e6c3223233c0bf3ffd6f8ebcef373cb479f7a68aa6a4851f52c14075f42acc39492e8927665ec1ca7d80d4d4d43

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

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\eba6716f86e0f7c512c53017c53696d66ffb6912644ce40eefc001ce5930d581.exe
    "C:\Users\Admin\AppData\Local\Temp\eba6716f86e0f7c512c53017c53696d66ffb6912644ce40eefc001ce5930d581.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:1608
    • 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:2540
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 552
          3⤵
          • Program crash
          PID:4680
      • 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:3092
        • 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:4272
        • 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:3400
          • 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:4216
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VR56TNYh05LE.bat" "
            4⤵
              PID:3172
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1668
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4304
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5040
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 2000
                  4⤵
                  • Program crash
                  PID:3160
            • C:\Users\Admin\AppData\Local\Temp\eba6716f86e0f7c512c53017c53696d66ffb6912644ce40eefc001ce5930d581.exe
              "C:\Users\Admin\AppData\Local\Temp\eba6716f86e0f7c512c53017c53696d66ffb6912644ce40eefc001ce5930d581.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2760
            • 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:4796
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2540 -ip 2540
            1⤵
              PID:3160
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:3192
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:4512
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:4908
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 520
                        3⤵
                        • Program crash
                        PID:4332
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:2928
                        • 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:3540
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:2432
                            • 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:4428
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ukSOxfHfvfca.bat" "
                              4⤵
                                PID:4692
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:1516
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:5080
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:2656
                                      • 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:3572
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 2256
                                    4⤵
                                    • Program crash
                                    PID:3852
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2952
                                • 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:652
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4512 -ip 4512
                                1⤵
                                  PID:3572
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3400 -ip 3400
                                  1⤵
                                    PID:2328
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2432 -ip 2432
                                    1⤵
                                      PID:340
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3036
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:736

                                        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\VR56TNYh05LE.bat

                                          Filesize

                                          208B

                                          MD5

                                          a1f0996c99b55e283e45831f6ac6709a

                                          SHA1

                                          2414cf71c1d93f7fe3c28439d359d6c33583a27a

                                          SHA256

                                          dd253db98f1c4cef51ff2eb62d014a2c6570321866f206b0bf5b3c414712fb26

                                          SHA512

                                          a6a7c54576f74895dc0067ab8f3b0851fc600ad6d39651be7cf717e45f343d88c4f1e207ab17c870df1c6e097e8bbbaff780083ca9e776c4076cfe5880a1cd6f

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

                                          Filesize

                                          208B

                                          MD5

                                          168a5a8cd264351bfd6d7b56c7892342

                                          SHA1

                                          3dd315317d90deb4d759ba83db5c053ccfaea3e9

                                          SHA256

                                          82592e73fb1609c0bb4509ed506deb063da06a65cefdbfe71ea1012ebd076aef

                                          SHA512

                                          07345833aac4e3dfe71b0ab0767f0a8e9b272fe7ed275d6506343b7ac1f0117d3178eb1d618beda0e145998181827d836603aca0306c059321bbbc05e31b598c

                                        • 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\12-12-2024

                                          Filesize

                                          224B

                                          MD5

                                          67463deb718872d86465449767a0fea3

                                          SHA1

                                          5bbd5b2e5abd7ad0fb33a7c1883be19dbb5050a8

                                          SHA256

                                          ecf85a71563d57063e10a327e9ef8874d8433efd97ee9444749b03e0df350cf2

                                          SHA512

                                          a1fd8ff4293675eece5d702fc96bcc7ee67248a7e4148c99a0a6501686f33c42542e0b332309cd411e4f80927612921b1bd0d27aa9813ecf804e8a5946cf6b1e

                                        • C:\Users\Admin\AppData\Roaming\Logs\12-12-2024

                                          Filesize

                                          224B

                                          MD5

                                          95f625ebcaf445544c42986aabc54402

                                          SHA1

                                          a8a6aec6aaba175e414e4ae7cb7d51cd7e06eb67

                                          SHA256

                                          de5c53745edb9eff1ba078750ad35ad876bc323bfcb15f09ece49dc878bac076

                                          SHA512

                                          7988d8b3dc8a54f3391f0358e55faa8286574d17cbfe3cc6ed5bdee50c8dd8b329314637e294a466528db371ec4d2f47f253d53243e51c9badc7e04b869b82be

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          89a96d352771d40b8f715ab378f2a3eb

                                          SHA1

                                          033d2bbc34aaa7ee65a5423a0c0bcce14c1d11ab

                                          SHA256

                                          56391ea4b6cda59a83dca23483dfbd597818e73915a0b3218a70214147e369a7

                                          SHA512

                                          48c76eb276c298fe04173410d86eb29d1cd9ed49e62f56d36dbdf5f5f07c49b5ed938064f98688c121895ac540ee677899610cd4744ae419e87163cbfa909fd2

                                        • memory/1608-19-0x0000000004290000-0x0000000004291000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2760-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2760-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2952-66-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2952-72-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3092-31-0x0000000000C00000-0x0000000000C5E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/3092-36-0x0000000006770000-0x00000000067AC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/3092-35-0x0000000005B80000-0x0000000005B92000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3092-34-0x00000000055F0000-0x0000000005656000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/3092-33-0x0000000005520000-0x00000000055B2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/3092-32-0x0000000005BA0000-0x0000000006144000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/3400-44-0x0000000006430000-0x000000000643A000-memory.dmp

                                          Filesize

                                          40KB