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Analysis

  • max time kernel
    3s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 04:45

General

  • Target

    c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe

  • Size

    2.0MB

  • MD5

    e21005f9f38d0924120f1e4d0c36ed04

  • SHA1

    5c0e2fbb3ee586b4e2f7eacf11bf6840b732326f

  • SHA256

    c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79

  • SHA512

    390de9b3e8cb8d48a4c7a0b678f1f219f0d9f75e50cdfa45585c1a554b413726caa690b866f66d594c0f732e442443b449e2f42f4fab09859869398508391eff

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV: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

    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 1 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 5 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\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe
    "C:\Users\Admin\AppData\Local\Temp\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe"
    1⤵
    • 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:3780
    • 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:1544
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 548
          3⤵
          • Program crash
          PID:3940
      • 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:556
        • 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:3460
        • 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:3880
          • 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:3088
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat" "
            4⤵
              PID:2764
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3592
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:976
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3140
                    • 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:1544
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D35t5QFIEgy2.bat" "
                      6⤵
                        PID:2232
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1696
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1616
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2216
                          6⤵
                          • Program crash
                          PID:2384
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 2260
                      4⤵
                      • Program crash
                      PID:2256
                • C:\Users\Admin\AppData\Local\Temp\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe
                  "C:\Users\Admin\AppData\Local\Temp\c1f0ecfd3774383b24916124901636d6de84eb0af364db54712329f6fff50c79.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2224
                • 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:2864
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1544 -ip 1544
                1⤵
                  PID:1060
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:2476
                    • 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:560
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 528
                            3⤵
                            • Program crash
                            PID:3576
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3152
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2888
                            • 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:3380
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4512 -ip 4512
                            1⤵
                              PID:1200
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3880 -ip 3880
                              1⤵
                                PID:3656
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3140 -ip 3140
                                1⤵
                                  PID:316
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:2972
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:5012

                                    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\D35t5QFIEgy2.bat

                                      Filesize

                                      208B

                                      MD5

                                      3d009e1bb7c9fe1862276c35cf0e8f21

                                      SHA1

                                      8b63b686705ba525b6ddad53cd941ab4ef6dbaaf

                                      SHA256

                                      f29c1ca745a855d3ab72c5eb28a101deca7958f98374d238db2d64ebd380f7b1

                                      SHA512

                                      2072ae7e3d2fd9b0e2a7ac8709272250a1fab59c9fc6270c185d864dcf17d5522916b6d9ead097ba4f5d56329da1fea711fbbcfaa95d07bd06aaaaed685e3366

                                    • C:\Users\Admin\AppData\Local\Temp\JFbhTUKXWP0I.bat

                                      Filesize

                                      208B

                                      MD5

                                      acd66156590e3c87b46dc6f033836410

                                      SHA1

                                      dd050672d05b27d00b6f049fe5ed6e666c92f009

                                      SHA256

                                      b48cc9ed3aafda38ec0775f55ae2af73fcfd9c13b3b75e0a50582aca069bbe21

                                      SHA512

                                      66c381d1508a97d2cf8ead2978cc8cfacde8ffd20ebef077f0f4a73380eb916c06737915587c91643cfec2412d2d0905a3a9661a081b1708cf4ba5e11d47e859

                                    • 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\01-21-2025

                                      Filesize

                                      224B

                                      MD5

                                      05b9880b8c05bc4a0ba7f96be2383eb3

                                      SHA1

                                      41a0b3a9c04e9e68e0aa1849dd2d7a5ddfa1be23

                                      SHA256

                                      e5ba9ce042fdbe859e66f7a1652c1fc96804a4858d3b00d63045fa51f94971e9

                                      SHA512

                                      d5511fb8284cda70b3719d517efdf75c4f40f74d0aabb1ee721a109b194b40aadae2498ea6c1fdb8537c804973e06c2bd5dbda7f73dd948e7e876511de89df7c

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      d09307571cc1b5c6f4c24cd9e85d39cb

                                      SHA1

                                      0500fab447b60b691150f417fbec081ec58001ed

                                      SHA256

                                      3519d308f6dd2506efb37a9ee0ff7637c16b213ad7c8643d76a4f8c24acb4d2b

                                      SHA512

                                      971d59a0089cc05426e07953be246b51ea3179a958f5e306ba066a10d75860113d5e4cef0cfc9d4694eeb2818fb674aa9206b82841539e8cccaf9f2e70fe82e9

                                    • memory/556-33-0x0000000004A30000-0x0000000004AC2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/556-34-0x0000000004AE0000-0x0000000004B46000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/556-35-0x00000000056F0000-0x0000000005702000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/556-36-0x0000000005C30000-0x0000000005C6C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/556-32-0x0000000004F40000-0x00000000054E4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/556-31-0x00000000000A0000-0x00000000000FE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/2224-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2224-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2888-72-0x0000000000120000-0x0000000000140000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2888-66-0x0000000000120000-0x0000000000140000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3780-18-0x0000000004060000-0x0000000004061000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3880-44-0x00000000066C0000-0x00000000066CA000-memory.dmp

                                      Filesize

                                      40KB