Analysis

  • max time kernel
    5s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 22:36

General

  • Target

    7ba37e4aa263bdfa0d24ede59f1d767ed6c5b759268660b2bf7b92f45a77c9b1.exe

  • Size

    2.0MB

  • MD5

    06feb8ea2c84bfe15db1fc38a8cedbb7

  • SHA1

    54f5e74721cf1165ffb0e5b4ef781a624c302285

  • SHA256

    7ba37e4aa263bdfa0d24ede59f1d767ed6c5b759268660b2bf7b92f45a77c9b1

  • SHA512

    6d4463973032849b04fabc4dbce5c40cf5b0fe18de1cdcb77eac3ad3684305f808839a0b93cfdeef398257b650d67f65036963564d63cab06ef41dc6de364e46

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YF

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 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 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 9 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ba37e4aa263bdfa0d24ede59f1d767ed6c5b759268660b2bf7b92f45a77c9b1.exe
    "C:\Users\Admin\AppData\Local\Temp\7ba37e4aa263bdfa0d24ede59f1d767ed6c5b759268660b2bf7b92f45a77c9b1.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:2384
    • 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:5028
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 548
          3⤵
          • Program crash
          PID:4884
      • 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:1492
        • 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:2984
        • 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:1468
          • 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:1396
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E5Iy0s32DafL.bat" "
            4⤵
              PID:3608
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1736
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1696
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5096
                    • 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:2076
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E1aqvcsU9aj4.bat" "
                      6⤵
                        PID:2276
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1812
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4484
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1580
                              • 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:1624
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 2232
                            6⤵
                            • Program crash
                            PID:2520
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 1692
                        4⤵
                        • Program crash
                        PID:2652
                  • C:\Users\Admin\AppData\Local\Temp\7ba37e4aa263bdfa0d24ede59f1d767ed6c5b759268660b2bf7b92f45a77c9b1.exe
                    "C:\Users\Admin\AppData\Local\Temp\7ba37e4aa263bdfa0d24ede59f1d767ed6c5b759268660b2bf7b92f45a77c9b1.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3872
                  • 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:1604
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5028 -ip 5028
                  1⤵
                    PID:5100
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:3740
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:2024
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4260
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 520
                            3⤵
                            • Program crash
                            PID:5104
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:1624
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2604
                            • 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:2900
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2024 -ip 2024
                            1⤵
                              PID:3080
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1468 -ip 1468
                              1⤵
                                PID:5112
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5096 -ip 5096
                                1⤵
                                  PID:3424
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3668
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3592

                                    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\E1aqvcsU9aj4.bat

                                      Filesize

                                      208B

                                      MD5

                                      476fa633f4a193579bc16569139d01e8

                                      SHA1

                                      e032c86f9a28ec2e1be9e2338fa66a4b72bd7dc4

                                      SHA256

                                      125700d5e3aa92fe61af6254cd2d6478f030dfc59f7eab0393db1923d2c2640b

                                      SHA512

                                      1e5aefbb3a8e1bc7fb03e1d676c5661844c1153a64b2bb92b7d72bfc4934a9eb5d3a04981ee8c6f21dcc26f84054ffb0fb587bd26ce8106ed726aca0d05281b9

                                    • C:\Users\Admin\AppData\Local\Temp\E5Iy0s32DafL.bat

                                      Filesize

                                      208B

                                      MD5

                                      967f44f3570ed29ec7f43e3632227d27

                                      SHA1

                                      d23c4e944a7558e8cad140b486b5d9cb6a68a389

                                      SHA256

                                      68df10c348e1bda4187024f9cde3067f3364c00c3b4b3551477f930dba251b53

                                      SHA512

                                      b44f907abb0edc9164699ce38c7ba9ff7e2e4ecda68da897e47bf9083683c258892b3b66df68db1d875029d12666e151aafeaa271d984e3222c3139b7d57254a

                                    • 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\08-18-2024

                                      Filesize

                                      224B

                                      MD5

                                      b723f4a0c9d3e64cccf1f3fc30e6692c

                                      SHA1

                                      f85431af7aa719a52dacfe826bbbd283f572f7d9

                                      SHA256

                                      4d87a5ba0ed948d0573fb8ab947bae447bb64e30f22733532e30ff7e0562d7c0

                                      SHA512

                                      8154d91f81db2f84b9c7a029629a823ae98cf73db7924afa0aa707b5cba096b6a144759f955ab63a438477b7d0de6fd373769c13eba85898e2c7b10f7e6bae04

                                    • C:\Users\Admin\AppData\Roaming\Logs\08-18-2024

                                      Filesize

                                      224B

                                      MD5

                                      71ec374028ba3ee831d899b0d6a18bf0

                                      SHA1

                                      b8a766b767cec9fc08bb0eea65fde5b136f5143a

                                      SHA256

                                      a7850c471ec18c241048955c46e117fc5db2e264d4e4be92d4fd9f904a719917

                                      SHA512

                                      e05d53b3dd71610610713ef2b7385f21acbff504526140f2c309c19d973102be1b4ffc2e7560c80005f164a706c99b58f3bbbfc97c4f530e70b4047eb7311f64

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      bc1ff627c844f26813d550697bb75609

                                      SHA1

                                      bc01a82494ad68f4aa235b15b16489be6740cf55

                                      SHA256

                                      17d8b88d249974df46bf8bd88926a66025fce85b15b6e5e9f411edfb6549031a

                                      SHA512

                                      e2a5d727055520da8407089a406295ea5073238e2765f3c8a6a6bcfb165b7e338680d8bf2e623415806835bc0aa9e98d1b7f349ee2531162baeeb3c6f8864407

                                    • memory/1468-45-0x0000000006210000-0x000000000621A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/1492-36-0x0000000005120000-0x0000000005132000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1492-35-0x0000000004B00000-0x0000000004B66000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1492-37-0x0000000005E20000-0x0000000005E5C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1492-34-0x0000000004BA0000-0x0000000004C32000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1492-33-0x0000000005150000-0x00000000056F4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1492-30-0x0000000000070000-0x00000000000CE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1492-19-0x0000000072AAE000-0x0000000072AAF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2384-20-0x0000000004170000-0x0000000004171000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3592-89-0x00007FFCECB60000-0x00007FFCECB72000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3872-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3872-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB