Analysis

  • max time kernel
    5s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 04:13

General

  • Target

    d14fe724b6ca09f8c657c3737f81058b5261a651ace3fbba1459bb9791169d0dN.exe

  • Size

    2.0MB

  • MD5

    812b51782f375dcf9954f35e1650ae80

  • SHA1

    a5b7ebd9425e686dc09bb6106d1a9d0efab3ad89

  • SHA256

    d14fe724b6ca09f8c657c3737f81058b5261a651ace3fbba1459bb9791169d0d

  • SHA512

    28c4f3fd71fe7f6e6c7da175da3f3af83c53f641d2d6e3013a2ccefd6fc0e96f511aefc103f54fb949f058f0fd80682f0dea90bf488469af384b48cb34a19963

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ya

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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • 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\d14fe724b6ca09f8c657c3737f81058b5261a651ace3fbba1459bb9791169d0dN.exe
    "C:\Users\Admin\AppData\Local\Temp\d14fe724b6ca09f8c657c3737f81058b5261a651ace3fbba1459bb9791169d0dN.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:3116
    • 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:592
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 592 -s 556
          3⤵
          • Program crash
          PID:1888
      • 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:1624
        • 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:2860
        • 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:4520
          • 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:3732
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sCMQI4Kvyj1i.bat" "
            4⤵
              PID:4608
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1384
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4512
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1924
                    • 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:4028
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pZkxZPCXmsXx.bat" "
                      6⤵
                        PID:224
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4736
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2036
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 2212
                          6⤵
                          • Program crash
                          PID:1556
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 1084
                      4⤵
                      • Program crash
                      PID:892
                • C:\Users\Admin\AppData\Local\Temp\d14fe724b6ca09f8c657c3737f81058b5261a651ace3fbba1459bb9791169d0dN.exe
                  "C:\Users\Admin\AppData\Local\Temp\d14fe724b6ca09f8c657c3737f81058b5261a651ace3fbba1459bb9791169d0dN.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1244
                • 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:2540
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 592 -ip 592
                1⤵
                  PID:3704
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4520 -ip 4520
                  1⤵
                    PID:3220
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4888
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4640
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:316
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 520
                              3⤵
                              • Program crash
                              PID:3244
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4884
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1176
                              • 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:1956
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4640 -ip 4640
                              1⤵
                                PID:4844
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1924 -ip 1924
                                1⤵
                                  PID:4816
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4836

                                  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\pZkxZPCXmsXx.bat

                                    Filesize

                                    208B

                                    MD5

                                    7c317466c9db5d7f7023d88882fca460

                                    SHA1

                                    da6355c046145b85c017818d2bebb6f9e8c3c6e0

                                    SHA256

                                    caabd2ca4a7184bef70f27279bd1ce3a036f7125575ab525698e0f9c5800a8c6

                                    SHA512

                                    67dc9aa983fcd32cb83ed5a0ded3ce6ddaf9ac09f67160c7fe340113390eef8c5b26b26db77a59fe9a1146542c82d9b5f01327e434405aec313b9af57e68617f

                                  • C:\Users\Admin\AppData\Local\Temp\sCMQI4Kvyj1i.bat

                                    Filesize

                                    208B

                                    MD5

                                    5effa24609f2bf64cdc8514d4536e517

                                    SHA1

                                    481e5a2ae49b8b48c69e9515e3f10bf3704b0248

                                    SHA256

                                    0bdcee259c2df22d4cb9d79de7fbbaf23e46c9fc8561753fe88941988e9a7962

                                    SHA512

                                    99dba8738deb42ab339907930f694b373fe68ef0b2bcee22aa5669749480109dd217b92458a77649dfd3825c8f48cb7f05746b91a76161f7a22bc6e5bd5db18f

                                  • 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\09-30-2024

                                    Filesize

                                    224B

                                    MD5

                                    74e6547ec78ac8a8648181a43c410892

                                    SHA1

                                    0054c340ac7f36e5727fc0972b915a1751d3c276

                                    SHA256

                                    e29384eb82d1ac7b84a92a827a8fd92831cc54828d4f3f73c130e63923d97c4c

                                    SHA512

                                    b5ab32ebf249ba2e39486355eb7fd1cbdb4cdf2e68289fcc9679d62bcef5eaa8c274263bd4a2074f4f3b21755939630238d8beaad1ab02a974def4b00527aa7e

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    73359634ed32294ca93ae2e2168dc598

                                    SHA1

                                    546197feac2f15d343c1725c8e4a4fffa6064b6c

                                    SHA256

                                    ae73a98c2f2e9968c1ac12726a6a964998b39d2da35a775be5d7e5c34995e6e8

                                    SHA512

                                    884bdc078c534d365314dd45be2ea8e1d942704dd778ce09996a921d330792fe4691e7331b41793df2fc70ca2831e8210c4cc86e2d10d7e403ea67e18cd945a9

                                  • memory/1176-80-0x0000000000840000-0x0000000000860000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1176-74-0x0000000000840000-0x0000000000860000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1244-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1244-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1624-29-0x0000000072B4E000-0x0000000072B4F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1624-37-0x00000000069F0000-0x0000000006A2C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/1624-36-0x00000000064B0000-0x00000000064C2000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1624-35-0x0000000005790000-0x00000000057F6000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/1624-34-0x00000000056F0000-0x0000000005782000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/1624-31-0x0000000005BA0000-0x0000000006144000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/1624-30-0x0000000000D80000-0x0000000000DDE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/3116-19-0x0000000003AD0000-0x0000000003AD1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4520-45-0x0000000006830000-0x000000000683A000-memory.dmp

                                    Filesize

                                    40KB