Analysis

  • max time kernel
    5s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 02:17

General

  • Target

    a7fd64595c13db9b6a24912be8227920390a6b3e607d17a9b93a309e1ba6bb9f.exe

  • Size

    2.0MB

  • MD5

    2f70592dfec3fd7e48b5e7586fe9d0fa

  • SHA1

    dbf4ac2e6a73a31bef75169995f21ac07b7c7fd7

  • SHA256

    a7fd64595c13db9b6a24912be8227920390a6b3e607d17a9b93a309e1ba6bb9f

  • SHA512

    efd97fa70acc2555b99e30f9256e4961e774a15170b9b50a147330cb9f806ed3a1de9130b1ff205ed1485654f077bd4a119f90bf60b12d7bbe922f5da8b5119d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN: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 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 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\a7fd64595c13db9b6a24912be8227920390a6b3e607d17a9b93a309e1ba6bb9f.exe
    "C:\Users\Admin\AppData\Local\Temp\a7fd64595c13db9b6a24912be8227920390a6b3e607d17a9b93a309e1ba6bb9f.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:2992
    • 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:5000
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 540
          3⤵
          • Program crash
          PID:4828
      • 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:3120
        • 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:1560
        • 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:2776
          • 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:3340
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\T1glVpi2gFSm.bat" "
            4⤵
              PID:2284
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3740
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4880
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4392
                    • 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:3416
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ypFTtt9KRmMp.bat" "
                      6⤵
                        PID:636
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4344
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3480
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1748
                          6⤵
                          • Program crash
                          PID:4044
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 1800
                      4⤵
                      • Program crash
                      PID:2552
                • C:\Users\Admin\AppData\Local\Temp\a7fd64595c13db9b6a24912be8227920390a6b3e607d17a9b93a309e1ba6bb9f.exe
                  "C:\Users\Admin\AppData\Local\Temp\a7fd64595c13db9b6a24912be8227920390a6b3e607d17a9b93a309e1ba6bb9f.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:4216
                • 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:2188
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 5000
                1⤵
                  PID:3124
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2776 -ip 2776
                  1⤵
                    PID:3176
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4164
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2432
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3208
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 520
                              3⤵
                              • Program crash
                              PID:4924
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:448
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4228
                              • 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:2876
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2432 -ip 2432
                              1⤵
                                PID:3836
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4392 -ip 4392
                                1⤵
                                  PID:4056
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:3944
                                    • C:\Windows\explorer.exe
                                      explorer.exe /LOADSAVEDWINDOWS
                                      2⤵
                                        PID:3496
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4868
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:4672
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:2952
                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                            1⤵
                                              PID:4304
                                            • C:\Windows\system32\sihost.exe
                                              sihost.exe
                                              1⤵
                                                PID:4480
                                              • C:\Windows\system32\sihost.exe
                                                sihost.exe
                                                1⤵
                                                  PID:4720
                                                • C:\Windows\system32\sihost.exe
                                                  sihost.exe
                                                  1⤵
                                                    PID:1236
                                                  • C:\Windows\system32\sihost.exe
                                                    sihost.exe
                                                    1⤵
                                                      PID:4380
                                                    • C:\Windows\system32\sihost.exe
                                                      sihost.exe
                                                      1⤵
                                                        PID:748

                                                      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\Temp\T1glVpi2gFSm.bat

                                                        Filesize

                                                        208B

                                                        MD5

                                                        3ee591546cfedc1227b802591d326941

                                                        SHA1

                                                        7972d1c1a748e8526eb40178d4489daa2191912a

                                                        SHA256

                                                        a0a20e693d661b7a9bea61c932ac4db83615a14970c71159bff808cd846541fc

                                                        SHA512

                                                        4c620d343fcd08786014500886f09375d2d4f533d0c8b1db4774fec78e33c2c70ae288e948b45d304db733e89a084a82a418e643b37837d1791a781dca547f31

                                                      • 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\ypFTtt9KRmMp.bat

                                                        Filesize

                                                        208B

                                                        MD5

                                                        634b52890f4ef039085b7ba7653ece54

                                                        SHA1

                                                        0e7927de5b91c3837bce717546f93d0e88275c6c

                                                        SHA256

                                                        ef9f01b43e64b603cdf8e9a16165cadf5d6b8d94c6802b482c5702bfe1161537

                                                        SHA512

                                                        c1753daadef1e1ee4fbbba37fa87e51addc90139fe737a5cec78a183cedfc7fcd5c67795c45c93fbfe15c172e10dccb001a44949d3febb9cc081ef4fd4f08525

                                                      • C:\Users\Admin\AppData\Roaming\Logs\08-15-2024

                                                        Filesize

                                                        224B

                                                        MD5

                                                        9a63393c62c60d95a6e20bfa33ea9f82

                                                        SHA1

                                                        71efc07bfc1a9ef453d8921e52771ca209488e31

                                                        SHA256

                                                        e146ed2eaeca6f37a2c8520f6709573b7aa4adeceb8b7bada4b02a4b8c9c427a

                                                        SHA512

                                                        e3274abf402626475a60cc74de071695659b8e9684c3e68c1bad3459babf68cbad85c6e9f30de1125063dff61382b6b9cd0fde5892bb56c20e14a8bd23d710fd

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

                                                        Filesize

                                                        2.0MB

                                                        MD5

                                                        b27e6c54134264fdb7f7e3e356aca7ac

                                                        SHA1

                                                        bdbac9ebf70f083e0c9dd53a9ba13783a9db6208

                                                        SHA256

                                                        135730e0bc3ebdb900f1206ab9bb6039d272f63f7a32dec393dcdaa434bee96c

                                                        SHA512

                                                        4f1d9dd5fea1c476f0d840f3f17eae7f87fe6159292c9c5c5553f0edc8a62c54c435e18fe5b7e34d640b4714bfd2ae98c155ccb441b187c3f36bc5b20ae58622

                                                      • memory/2776-45-0x0000000006D40000-0x0000000006D4A000-memory.dmp

                                                        Filesize

                                                        40KB

                                                      • memory/2992-20-0x0000000004760000-0x0000000004761000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3120-36-0x0000000006620000-0x0000000006632000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3120-19-0x0000000072EBE000-0x0000000072EBF000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3120-37-0x0000000006B60000-0x0000000006B9C000-memory.dmp

                                                        Filesize

                                                        240KB

                                                      • memory/3120-34-0x00000000058E0000-0x0000000005972000-memory.dmp

                                                        Filesize

                                                        584KB

                                                      • memory/3120-33-0x0000000005DC0000-0x0000000006364000-memory.dmp

                                                        Filesize

                                                        5.6MB

                                                      • memory/3120-30-0x0000000000DB0000-0x0000000000E0E000-memory.dmp

                                                        Filesize

                                                        376KB

                                                      • memory/3120-35-0x0000000005810000-0x0000000005876000-memory.dmp

                                                        Filesize

                                                        408KB

                                                      • memory/3496-88-0x0000000002A60000-0x0000000002A61000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/4164-85-0x00007FFF604D0000-0x00007FFF60553000-memory.dmp

                                                        Filesize

                                                        524KB

                                                      • memory/4164-86-0x0000000075E90000-0x00000000760A5000-memory.dmp

                                                        Filesize

                                                        2.1MB

                                                      • memory/4216-21-0x0000000000830000-0x0000000000850000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/4216-29-0x0000000000830000-0x0000000000850000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/4228-72-0x0000000000400000-0x0000000000420000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/4228-78-0x0000000000400000-0x0000000000420000-memory.dmp

                                                        Filesize

                                                        128KB