Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 04:39

General

  • Target

    ff89189fe8ea8f91ad66c02fffcfab594ad5175830cafe05007a0b512432ca1fN.exe

  • Size

    2.0MB

  • MD5

    b665c8f02b1af47021010227e2b4e7f0

  • SHA1

    9e1272881172a7d8afc931404e5a6d620a56997f

  • SHA256

    ff89189fe8ea8f91ad66c02fffcfab594ad5175830cafe05007a0b512432ca1f

  • SHA512

    e2a2ff534a71020bca61cb5909ab8de5d46f3e7cb4982d8a76105980235590ee66a4c1621e54b2efae6cc97fc7abfbf63fc473c803d058e8f3b279a62e3f2ec7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

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 6 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\ff89189fe8ea8f91ad66c02fffcfab594ad5175830cafe05007a0b512432ca1fN.exe
    "C:\Users\Admin\AppData\Local\Temp\ff89189fe8ea8f91ad66c02fffcfab594ad5175830cafe05007a0b512432ca1fN.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:3784
    • 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:1380
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 548
          3⤵
          • Program crash
          PID:2924
      • 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:440
        • 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:5012
        • 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:2692
          • 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:3356
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TevaBLfxXAid.bat" "
            4⤵
              PID:3584
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4696
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1628
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4120
                    • 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:4748
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TFyKwOo9PCHB.bat" "
                      6⤵
                        PID:1704
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3596
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3332
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4960
                              • 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:4732
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 2272
                            6⤵
                            • Program crash
                            PID:2028
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 2012
                        4⤵
                        • Program crash
                        PID:4356
                  • C:\Users\Admin\AppData\Local\Temp\ff89189fe8ea8f91ad66c02fffcfab594ad5175830cafe05007a0b512432ca1fN.exe
                    "C:\Users\Admin\AppData\Local\Temp\ff89189fe8ea8f91ad66c02fffcfab594ad5175830cafe05007a0b512432ca1fN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2316
                  • 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:4716
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1380 -ip 1380
                  1⤵
                    PID:1020
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2692 -ip 2692
                    1⤵
                      PID:5032
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1504
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4896
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1908
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 520
                                3⤵
                                • Program crash
                                PID:1756
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3664
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1880
                                • 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:1984
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4896 -ip 4896
                                1⤵
                                  PID:216
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 4120 -ip 4120
                                  1⤵
                                    PID:2248
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2000
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4672

                                      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\TFyKwOo9PCHB.bat

                                        Filesize

                                        208B

                                        MD5

                                        45680f0813ac200601d6d84f894b8d1e

                                        SHA1

                                        819bc45da4e0c1a20857c6dbdcf2bcff216e4936

                                        SHA256

                                        02011630e9c43b1268849f414f803ecfa3abef730bf2f08f74645916c182440b

                                        SHA512

                                        3b99cb081e78cdbad93c74a26fdd7550b1dc918c15f8b52a39e152af5155ebd4918440dcd8354d233ee6883bdb015ee6ddb58594f4394dbe3d246d277a188704

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

                                        Filesize

                                        208B

                                        MD5

                                        2243da6572cb52710c4eca4a56312713

                                        SHA1

                                        cfe4569bea75b634a26fc366b90c40c6e1f424f9

                                        SHA256

                                        6b4b8628659188c1c3ecc7bd980aa81f9eda2924383433815f852d035bbbcf5e

                                        SHA512

                                        6183b43df176bd178387710e6abc636cd0eac4eb7922a9741d059afb80b517f8860dd7209d94ed67519885c2d2bc356fb1d8b65f1c6bd3614a9f330194f72dd6

                                      • 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\12-08-2024

                                        Filesize

                                        224B

                                        MD5

                                        7fb87c56b9ed3d22c46950f5c38a33bb

                                        SHA1

                                        c04254205c262a60fa1c3e027384f2247c325329

                                        SHA256

                                        25720d133fbad5ebd6e6e1bf9cf5dd222b30a9465599a9c1585413d3c1a338ab

                                        SHA512

                                        329bdd15db63eb136c4fed6c832a58acdb69f00e26bec78cf1865c8148d9b446d64950c0a7bc253e3236feb017e4ff5c6f9f6bfaec04bf80472ecb42c093773c

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-08-2024

                                        Filesize

                                        224B

                                        MD5

                                        f13866fdfb29f18e259850e953663b38

                                        SHA1

                                        11b3c9bc2959f114fca53ea3594b18933586516b

                                        SHA256

                                        62cf6cb0b155000778e954079c9eef29b071ab28ac79aa2a14f5d6f1a583b2ef

                                        SHA512

                                        b799255763db8f779a54f7ebc9287f3a7a7047daf2de1dc38c1501c86de96825afdd7802b17f36e4b43b60cff508fb4104c2c52cd9a402b370fcf2d1c33ed245

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        63cebbac01e8a189e1d405fe50607f0d

                                        SHA1

                                        4f78d57d9f570e84eefeb547f9f8abc03dd80b14

                                        SHA256

                                        e0f12801521fa7f6a896ac7334821f6ec72d796214807a6d4fee728054c82581

                                        SHA512

                                        5dde76837d69ab2c49710596e321bcf8abfaf4ffe937df36fbb1dc992bc8a187aa5081391136cb0612a1465e971c2ac99bd49f7a4650420b2ede032b4fd94b69

                                      • memory/440-36-0x0000000005A00000-0x0000000005A12000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/440-35-0x00000000054C0000-0x0000000005526000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/440-34-0x00000000053B0000-0x0000000005442000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/440-37-0x0000000006600000-0x000000000663C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/440-33-0x0000000005A70000-0x0000000006014000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/440-30-0x0000000000A70000-0x0000000000ACE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/440-29-0x00000000729CE000-0x00000000729CF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1880-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1880-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2316-28-0x00000000006A0000-0x00000000006C0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2316-21-0x00000000006A0000-0x00000000006C0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2692-45-0x00000000062A0000-0x00000000062AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3784-19-0x0000000003A40000-0x0000000003A41000-memory.dmp

                                        Filesize

                                        4KB