Analysis

  • max time kernel
    7s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2023 16:42

General

  • Target

    NEAS.435d784177be0786b43390ebfa6db620.exe

  • Size

    2.0MB

  • MD5

    435d784177be0786b43390ebfa6db620

  • SHA1

    fb1c42eeaa2a4dc4770ff65473e9cb189a1722ca

  • SHA256

    c6b9b3f728ab67474196acf152c59771fb3e227820b154ed16b45c71eea1c258

  • SHA512

    27681572f28c18b0a03a750b972556955abc0a13d2e79b057dfb34efb08dce3a04700ab188c6612366ff9f48314e84934b6110dfbe7761dfa76c38e8eecbc95f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 11 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.435d784177be0786b43390ebfa6db620.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.435d784177be0786b43390ebfa6db620.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4240
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        PID:3252
        • 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⤵
          • Creates scheduled task(s)
          PID:1508
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:4596
            • 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⤵
              • Creates scheduled task(s)
              PID:2732
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Vt0WcilAP2Ue.bat" "
              4⤵
                PID:1968
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:640
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • Runs ping.exe
                    PID:1804
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:3780
                      • 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⤵
                        • Creates scheduled task(s)
                        PID:3436
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 2268
                    4⤵
                    • Program crash
                    PID:1520
              • C:\Users\Admin\AppData\Local\Temp\NEAS.435d784177be0786b43390ebfa6db620.exe
                "C:\Users\Admin\AppData\Local\Temp\NEAS.435d784177be0786b43390ebfa6db620.exe"
                2⤵
                  PID:2516
                • 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⤵
                  • Creates scheduled task(s)
                  PID:1728
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4596 -ip 4596
                1⤵
                  PID:1980
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:1232
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:1140
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:2324
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3608

                        Network

                        MITRE ATT&CK Matrix ATT&CK v13

                        Execution

                        Scheduled Task/Job

                        1
                        T1053

                        Persistence

                        Scheduled Task/Job

                        1
                        T1053

                        Privilege Escalation

                        Scheduled Task/Job

                        1
                        T1053

                        Discovery

                        Query Registry

                        2
                        T1012

                        System Information Discovery

                        3
                        T1082

                        Peripheral Device Discovery

                        1
                        T1120

                        Remote System Discovery

                        1
                        T1018

                        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\Temp\Vt0WcilAP2Ue.bat
                          Filesize

                          208B

                          MD5

                          8ef03d1641af7cf412b5d892776c9a5a

                          SHA1

                          b9a7a48ba1c428d64b741ebaa741e030c0d7bbf9

                          SHA256

                          037b6555edcd2065cb52d8fabb177f381e06c06b95b2526548be84a5eb1c8074

                          SHA512

                          a469581895bb17071bcd1a441e5ff355534ce6091a8e8581a004dd7465c82b4624288f87d6de0ff476d27e96103a72d8fec57a6c002a4ff2ab803403e3d7011b

                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          Filesize

                          405KB

                          MD5

                          b8ba87ee4c3fc085a2fed0d839aadce1

                          SHA1

                          b3a2e3256406330e8b1779199bb2b9865122d766

                          SHA256

                          4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                          SHA512

                          7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          Filesize

                          405KB

                          MD5

                          b8ba87ee4c3fc085a2fed0d839aadce1

                          SHA1

                          b3a2e3256406330e8b1779199bb2b9865122d766

                          SHA256

                          4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                          SHA512

                          7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          Filesize

                          405KB

                          MD5

                          b8ba87ee4c3fc085a2fed0d839aadce1

                          SHA1

                          b3a2e3256406330e8b1779199bb2b9865122d766

                          SHA256

                          4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                          SHA512

                          7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                        • 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\windef.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • C:\Users\Admin\AppData\Roaming\Logs\11-02-2023
                          Filesize

                          224B

                          MD5

                          c537631e1e625df7a50cd316f6e47cbf

                          SHA1

                          98d3617fbec585c499b329705436d331199eacf1

                          SHA256

                          5f0fb800365a0dc1e04178a62f415f8558b4d2f79352d07b5708cd6a32b5ecad

                          SHA512

                          d64624c8b28cd199e4952c111d80198859eeaa8fb9cb375807de9bbb332bee7b1a25540dbd30c72ef1991cfa0b60ef3d455f147fcd4780ce32d190d6bb83b0bc

                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

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

                          2.0MB

                          MD5

                          e261a86054acf5d4daebc961af9f199f

                          SHA1

                          0795810946d97c399e17a63ca3d287b2627b4655

                          SHA256

                          f9a9d0ac8f9f55b608b0262c0620206949fff73d47dca913eca8f4057f79628a

                          SHA512

                          3934a3345f066ccc6250a7bf341f8fef85738d38ddfbc701c2a7ab4481641bbec882b6fd666a28fd68814fe61f58993caa1885c702a880ea9bfc98c06b06b2c8

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

                          2.0MB

                          MD5

                          e261a86054acf5d4daebc961af9f199f

                          SHA1

                          0795810946d97c399e17a63ca3d287b2627b4655

                          SHA256

                          f9a9d0ac8f9f55b608b0262c0620206949fff73d47dca913eca8f4057f79628a

                          SHA512

                          3934a3345f066ccc6250a7bf341f8fef85738d38ddfbc701c2a7ab4481641bbec882b6fd666a28fd68814fe61f58993caa1885c702a880ea9bfc98c06b06b2c8

                        • memory/2324-88-0x00000000000B0000-0x00000000000B1000-memory.dmp
                          Filesize

                          4KB

                        • memory/2324-94-0x0000000000010000-0x00000000000AC000-memory.dmp
                          Filesize

                          624KB

                        • memory/2324-90-0x0000000000010000-0x00000000000AC000-memory.dmp
                          Filesize

                          624KB

                        • memory/2516-24-0x0000000000400000-0x0000000000420000-memory.dmp
                          Filesize

                          128KB

                        • memory/2516-34-0x0000000000400000-0x0000000000420000-memory.dmp
                          Filesize

                          128KB

                        • memory/3252-25-0x0000000000B70000-0x0000000000BCE000-memory.dmp
                          Filesize

                          376KB

                        • memory/3252-41-0x00000000066F0000-0x000000000672C000-memory.dmp
                          Filesize

                          240KB

                        • memory/3252-19-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/3252-32-0x0000000005B40000-0x00000000060E4000-memory.dmp
                          Filesize

                          5.6MB

                        • memory/3252-48-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/3252-37-0x00000000054E0000-0x0000000005572000-memory.dmp
                          Filesize

                          584KB

                        • memory/3252-38-0x0000000005430000-0x0000000005440000-memory.dmp
                          Filesize

                          64KB

                        • memory/3252-39-0x0000000005690000-0x00000000056F6000-memory.dmp
                          Filesize

                          408KB

                        • memory/3252-40-0x0000000005AF0000-0x0000000005B02000-memory.dmp
                          Filesize

                          72KB

                        • memory/3520-21-0x0000000001670000-0x0000000001671000-memory.dmp
                          Filesize

                          4KB

                        • memory/3608-85-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/3780-62-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
                          Filesize

                          64KB

                        • memory/3780-61-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/4240-23-0x0000000000F80000-0x0000000000F81000-memory.dmp
                          Filesize

                          4KB

                        • memory/4240-22-0x0000000000EE0000-0x0000000000F7C000-memory.dmp
                          Filesize

                          624KB

                        • memory/4596-49-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/4596-59-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/4596-54-0x0000000005620000-0x0000000005630000-memory.dmp
                          Filesize

                          64KB

                        • memory/4596-50-0x0000000005620000-0x0000000005630000-memory.dmp
                          Filesize

                          64KB

                        • memory/4596-53-0x00000000736F0000-0x0000000073EA0000-memory.dmp
                          Filesize

                          7.7MB

                        • memory/4596-52-0x0000000006DC0000-0x0000000006DCA000-memory.dmp
                          Filesize

                          40KB