Analysis

  • max time kernel
    5s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 18:57

General

  • Target

    4790b424ede10c5e2f0a349f91074d2e3f103336808aa8e6397f0002304a64a1.exe

  • Size

    2.0MB

  • MD5

    0084ea3d838a191afdf3e0cab1fcd48f

  • SHA1

    ed9d5eb1587140cfcf559d5d42957b7ba0b82935

  • SHA256

    4790b424ede10c5e2f0a349f91074d2e3f103336808aa8e6397f0002304a64a1

  • SHA512

    831c076f6b9449e35f26110a99fb55240d4702818a4d15efe2888e2c998e252792b619abad8aeca35fdb00a9b271da8294efd3f5edee2e9ef4d9ea7e03b99f4f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YC

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\4790b424ede10c5e2f0a349f91074d2e3f103336808aa8e6397f0002304a64a1.exe
    "C:\Users\Admin\AppData\Local\Temp\4790b424ede10c5e2f0a349f91074d2e3f103336808aa8e6397f0002304a64a1.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:2124
    • 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:5044
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 224
          3⤵
          • Program crash
          PID:3996
      • 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:2312
        • 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:1080
        • 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:3316
          • 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:8
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\q1A9FukH8QUQ.bat" "
            4⤵
              PID:4808
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4516
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4404
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3064
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 2300
                  4⤵
                  • Program crash
                  PID:4040
            • C:\Users\Admin\AppData\Local\Temp\4790b424ede10c5e2f0a349f91074d2e3f103336808aa8e6397f0002304a64a1.exe
              "C:\Users\Admin\AppData\Local\Temp\4790b424ede10c5e2f0a349f91074d2e3f103336808aa8e6397f0002304a64a1.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4064
            • 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:2568
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
            1⤵
              PID:556
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3316 -ip 3316
              1⤵
                PID:1144
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:2392
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:4324
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:1964
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 520
                          3⤵
                          • Program crash
                          PID:4648
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4624
                          • 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:2296
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:2008
                              • 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:232
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\z7T7CqSMdv6i.bat" "
                                4⤵
                                  PID:2884
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:1028
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:4440
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:2760
                                        • 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:2236
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 2284
                                      4⤵
                                      • Program crash
                                      PID:4028
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:3628
                                  • 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:2224
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4324 -ip 4324
                                  1⤵
                                    PID:5104
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2008 -ip 2008
                                    1⤵
                                      PID:2488
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:1852
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4644
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:3876

                                          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\q1A9FukH8QUQ.bat

                                            Filesize

                                            208B

                                            MD5

                                            4207a9287d5fd40cda87152c557b22fb

                                            SHA1

                                            dce77a4070ce29e63327152b5586a26d1ca2ac3b

                                            SHA256

                                            c1697294018c094deb3084e51cd3d624c43e51f219f3944687243d51d2e06138

                                            SHA512

                                            e20b5bb20d30e8dd9a3409c91cefba9029b0b18190a9d6dcf8574188b6b39bf8f01fa1bb43e33389e7dae7387100dcbe0306b080eb3bc08c44c7895cd10d8e28

                                          • 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\z7T7CqSMdv6i.bat

                                            Filesize

                                            208B

                                            MD5

                                            06c6a11521d6ed917f4fd027cd69137f

                                            SHA1

                                            4a98b20239a3c41ed53b95ab246333f9acea0397

                                            SHA256

                                            7398fbe20c787a6d7650d4ee92c9c87fa7bc14ebc165cfc62ae9fcd1323816f3

                                            SHA512

                                            608305ce4836b36f6b9287bc8b9a0c5f0cea385010b44a71ba35691cdda0e0c26d1f902f02d92d89993677ae6979435fdc1ae2f36763d82fc05ec1661047dc68

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

                                            Filesize

                                            224B

                                            MD5

                                            f4ddbc155795c38963b240d0614e100c

                                            SHA1

                                            ec55bda28b85cf8992f6aa3433348ed626e9d9f7

                                            SHA256

                                            8147c835f1d5ff619fb71cd2a3dcbb104298c4e106eb71231dbe2d7e514ab0d0

                                            SHA512

                                            8a643068ebd01a5c5104ddad7cc48b4ed3feff7d2575c6271b64874ccbf8965a72ce9c0eacc960fb6cad2479d8e377b7ffc5dde466a145489c35b9cc1c09e1bf

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

                                            Filesize

                                            224B

                                            MD5

                                            5dc6078728ddce3bb385409cfd47ca4c

                                            SHA1

                                            a2028fddbd7937874f256b91b1b068ec37b82f91

                                            SHA256

                                            87ebd013005fa71e0401b16ffc70a5775b61243f9b2ade6239cc2f3f0a99f586

                                            SHA512

                                            85a46e1667d5c0ae6592ca63cebc809776c600adcdb7183d31e34146519b6279f2b1fdb1f1ee81b2c85c9793b2f6242ad2c576bf32ba1693ba9c35278e807d72

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            a0fca9ccaf421fe01ec852ff2d3a8aba

                                            SHA1

                                            714b52b523c5b340ca47de50f3a53ff53c5f864d

                                            SHA256

                                            36bb6dcfbf22d6d2e51b0735562144a432141e5e9f6e962245596c24a3f70ca9

                                            SHA512

                                            3c6781b9f9c2c3e6f5ec92cc553fe29ac6e446a30a6669803f30ca04ad70d0b34daef57f01fa415ac3984b0d80d2b1d8cfbdca2f13f15061e791d517017ad97c

                                          • memory/2124-19-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2312-29-0x0000000072F7E000-0x0000000072F7F000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2312-37-0x0000000006120000-0x000000000615C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/2312-36-0x0000000005BE0000-0x0000000005BF2000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2312-35-0x0000000004FC0000-0x0000000005026000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/2312-34-0x0000000004F20000-0x0000000004FB2000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/2312-33-0x00000000054D0000-0x0000000005A74000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/2312-30-0x00000000005B0000-0x000000000060E000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/3316-45-0x0000000006030000-0x000000000603A000-memory.dmp

                                            Filesize

                                            40KB

                                          • memory/4064-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4064-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB