Analysis

  • max time kernel
    6s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 14:10

General

  • Target

    799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe

  • Size

    2.0MB

  • MD5

    98e14a04630eb45454969adad2f9cb60

  • SHA1

    0e824009ada1c4a7a5b367807c18f201adca3f5b

  • SHA256

    799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4d

  • SHA512

    fbf5b4fdca4d4db40a67ba95c7ebd647b0a72c7b4f11eb3cd9d9f58040e329f9a2fd831e3ca92c54b54615d81dc02dd87be549b30cd31dabb7b74e959ed909b2

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe
    "C:\Users\Admin\AppData\Local\Temp\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.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:4800
    • 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:3448
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 548
          3⤵
          • Program crash
          PID:4480
      • 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:1716
        • 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:3980
        • 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:2032
          • 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:368
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\xpLeYBsy4KTC.bat" "
            4⤵
              PID:400
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:224
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4548
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4392
                    • 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:4992
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fY9EA2uCwBak.bat" "
                      6⤵
                        PID:1372
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:836
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2372
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2932
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 2208
                            6⤵
                            • Program crash
                            PID:2380
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1640
                        4⤵
                        • Program crash
                        PID:684
                  • C:\Users\Admin\AppData\Local\Temp\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe
                    "C:\Users\Admin\AppData\Local\Temp\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:728
                  • 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:428
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3448 -ip 3448
                  1⤵
                    PID:1096
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3296
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4964
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4300
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 520
                              3⤵
                              • Program crash
                              PID:4068
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1448
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4388
                              • 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:4556
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4964 -ip 4964
                              1⤵
                                PID:3428
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2032 -ip 2032
                                1⤵
                                  PID:1988
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4392 -ip 4392
                                  1⤵
                                    PID:3084
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:392
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:2660
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:2968
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:4560
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:4948
                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                              1⤵
                                                PID:2112
                                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                1⤵
                                                  PID:964

                                                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\fY9EA2uCwBak.bat

                                                  Filesize

                                                  208B

                                                  MD5

                                                  73f1f98b6a6a91b1d9fb13085b7dd989

                                                  SHA1

                                                  dd0a0118c1dd27ddc5001fc11131b822d56d4782

                                                  SHA256

                                                  c4e11e78be4f329df7f2843e6f9b7d9b62b35aa6b0c38ce4ace0b03ab0c29b4f

                                                  SHA512

                                                  c917a03d582e757f97c3d7517bda9b6a319521116abf75d488cb40dd401a501f93a1f3d27a58a763409b584fd0eadeb9261592b9bcc4c0d6be04b6be53fbb459

                                                • 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\Local\Temp\xpLeYBsy4KTC.bat

                                                  Filesize

                                                  208B

                                                  MD5

                                                  611615a00c31b5c19f3162b369f5520a

                                                  SHA1

                                                  c88ff2cfa2c2eabd52057290c8418f5d367f9ba0

                                                  SHA256

                                                  96d53a8131c158449e4ff94672e536bda97ec8e9450b5a6b01d6dc897551a8b3

                                                  SHA512

                                                  8933f9aeb9f220648db975238e5160fed6e9bedadef82770dc5a5c2e12e63e4848281bb99c548c35af7c0a432d4dbae8266057bdc6f6398a1d267371e2a38d3b

                                                • C:\Users\Admin\AppData\Roaming\Logs\11-01-2024

                                                  Filesize

                                                  224B

                                                  MD5

                                                  3575314bb927b43cd03fb49f1ce791ee

                                                  SHA1

                                                  e8ea0f65ae79a2198ea25585e1d84182b7abb692

                                                  SHA256

                                                  686b6c8a141bfa7b47e016a1224e2b0549d0845b1c6bde96549ea5ff540d3a50

                                                  SHA512

                                                  ab9206bbf89b811147726c02205361142a00da8ef6d417a457c082b30e2c5122e666f116fed20c004075d094df078d045916d0c0330b6ad0c3f393b8f9191c4c

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

                                                  Filesize

                                                  2.0MB

                                                  MD5

                                                  c4fc1c1c8f4538ea8bef85a084034e18

                                                  SHA1

                                                  38dffff4c61c32099d6930f0b24e831c256f648a

                                                  SHA256

                                                  33dc15de6a2ad0f8671a8f0f33c3b158d591cd58456f7a47e26a27bf0271ff1c

                                                  SHA512

                                                  45f97272abcb23fb8f5bcde8592bc4f5613a0fad63dcea7186a292c03ab441df339e7bbcc722968ff91b22425f7e02fcbb63247d407cdcb6926c49371d0d9681

                                                • memory/728-20-0x0000000000A70000-0x0000000000A90000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/728-28-0x0000000000A70000-0x0000000000A90000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/1716-36-0x0000000005DF0000-0x0000000005E02000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1716-35-0x00000000057D0000-0x0000000005836000-memory.dmp

                                                  Filesize

                                                  408KB

                                                • memory/1716-37-0x0000000006A10000-0x0000000006A4C000-memory.dmp

                                                  Filesize

                                                  240KB

                                                • memory/1716-34-0x0000000005870000-0x0000000005902000-memory.dmp

                                                  Filesize

                                                  584KB

                                                • memory/1716-33-0x0000000005EE0000-0x0000000006484000-memory.dmp

                                                  Filesize

                                                  5.6MB

                                                • memory/1716-30-0x0000000000E60000-0x0000000000EBE000-memory.dmp

                                                  Filesize

                                                  376KB

                                                • memory/1716-29-0x000000007339E000-0x000000007339F000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2032-45-0x0000000005F00000-0x0000000005F0A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/4388-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/4388-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/4800-19-0x0000000003920000-0x0000000003921000-memory.dmp

                                                  Filesize

                                                  4KB