Analysis

  • max time kernel
    7s
  • 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
    27-11-2024 04:49

General

  • Target

    e3f7a1c37de27b25faa99ec115346d9ec34f51517f12beab5acc8b81402ba2b6.exe

  • Size

    2.0MB

  • MD5

    966ad4700af58274a7db964dd7b70bca

  • SHA1

    3a952f755532b6f69c39a6bc8223ef9d74804e86

  • SHA256

    e3f7a1c37de27b25faa99ec115346d9ec34f51517f12beab5acc8b81402ba2b6

  • SHA512

    ab7acf0ae966618415ce256020d6ebb481b12840d55d1951c24d12f3ab642a10624cc2c9b87c7800098be02e25f0ca0ee9fb0c17fc8fa391648b09a887d5379d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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 6 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\e3f7a1c37de27b25faa99ec115346d9ec34f51517f12beab5acc8b81402ba2b6.exe
    "C:\Users\Admin\AppData\Local\Temp\e3f7a1c37de27b25faa99ec115346d9ec34f51517f12beab5acc8b81402ba2b6.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:5004
    • 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:2968
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 560
          3⤵
          • Program crash
          PID:4740
      • 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:4764
        • 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:4436
        • 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:2208
          • 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:2172
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LIGs8X77gAAa.bat" "
            4⤵
              PID:1140
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4568
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:636
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:816
                    • 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:1864
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lVcTvf4RivaH.bat" "
                      6⤵
                        PID:3664
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:692
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2660
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1112
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:1584
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 2228
                            6⤵
                            • Program crash
                            PID:2148
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 1080
                        4⤵
                        • Program crash
                        PID:3868
                  • C:\Users\Admin\AppData\Local\Temp\e3f7a1c37de27b25faa99ec115346d9ec34f51517f12beab5acc8b81402ba2b6.exe
                    "C:\Users\Admin\AppData\Local\Temp\e3f7a1c37de27b25faa99ec115346d9ec34f51517f12beab5acc8b81402ba2b6.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1444
                  • 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:1496
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2968 -ip 2968
                  1⤵
                    PID:324
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1516
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3992
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1592
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 480
                              3⤵
                              • Program crash
                              PID:1792
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2040
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2928
                              • 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:1264
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3992 -ip 3992
                              1⤵
                                PID:4620
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2208 -ip 2208
                                1⤵
                                  PID:1120
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 816 -ip 816
                                  1⤵
                                    PID:4776
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4904
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3544

                                      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\LIGs8X77gAAa.bat

                                        Filesize

                                        208B

                                        MD5

                                        5523076bc56916676d621708f9c2ff66

                                        SHA1

                                        e5f4a69eb1c3fb6656f51d985e824cf871309e1c

                                        SHA256

                                        7f6f367feb110b38b2c8a7ad1f4e623f3800ff4829ef77c38f044cd5118c990c

                                        SHA512

                                        e43eaf11628370a7884f603013b44d8e282d42a246dd3ee9274623dbad792f8b350e05f9881866d9377a531cdd94e96bc3b913e33a0d06b25942eeb824ed77b7

                                      • C:\Users\Admin\AppData\Local\Temp\lVcTvf4RivaH.bat

                                        Filesize

                                        208B

                                        MD5

                                        830ac2d13f3a39af22109c99e5cecd0a

                                        SHA1

                                        e50b337b073cc234d12aa4ca7f0c1ca4d648c8b3

                                        SHA256

                                        47d801566d2a962ec68df798f835d8c13d0da1cee7923365f4d496bef02f6766

                                        SHA512

                                        b5c85060b4b428b60ba64fdca33e753dca24fec2a935a8e57ee16bf1d9d67abb6b6942ea5fd699ef4f780efe448df98bfd6b075871c9e16f1dfd175c2874de34

                                      • 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\11-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        9ed23819e8b0e2c97c383fcbc3c07cfe

                                        SHA1

                                        ef216977e99c46d832ce6a76712974845c1d42e9

                                        SHA256

                                        4fcb921974157bde3699265372942e082d54f2059aaebea15e902bbedba32dc8

                                        SHA512

                                        720bc2a6f9dd2491f4b23e04894a5d237bec885fcceb5a29ceff9eed2ee0060268ba3f739f0832b0730fd84e45aa5be001d0d70c4a504751f931544ea7ada1ca

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        3782cebcba866bc6521276869fd7e034

                                        SHA1

                                        d834ca63cf96a0054912f14cdf309520fcf697e6

                                        SHA256

                                        c930e2eaf356753e24d4acd07669eec6ae4275b046f7909d433b9e0a9f9f61e6

                                        SHA512

                                        79c4199daeaf7d83fee2c0e0e41d2ee87ab66ce94cd9d65f55c5b6da24cdbec7692c1e2b2c1b41ddafc08375d845239c1193ffb79ca56460ac65502513c422fa

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        29e8c83608937ee36b8067b97f632838

                                        SHA1

                                        3aa13be23b6ca41607df410ad1788ec279857744

                                        SHA256

                                        008d49d7b55e44193994c8ef19abd46ffd5b10943f0b0e02c4453c62574d07f9

                                        SHA512

                                        e993ba7380a51c508df8dc7e4f5693d619b1919243cbd5ab2ec806f74599541ad7f333d31f67e2c05e98e96a5fddec7ec82544114c8671e506a6db190378e63c

                                      • memory/1444-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1444-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2208-45-0x0000000006240000-0x000000000624A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4764-37-0x0000000006290000-0x00000000062CC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4764-36-0x00000000055A0000-0x00000000055B2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4764-35-0x0000000005110000-0x0000000005176000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4764-34-0x0000000005070000-0x0000000005102000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4764-33-0x0000000005620000-0x0000000005BC4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4764-30-0x0000000000720000-0x000000000077E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4764-19-0x000000007348E000-0x000000007348F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/5004-20-0x0000000001E90000-0x0000000001E91000-memory.dmp

                                        Filesize

                                        4KB