Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 14:12

General

  • Target

    9214842745bd569d671a2ee85007da80N.exe

  • Size

    2.0MB

  • MD5

    9214842745bd569d671a2ee85007da80

  • SHA1

    9a8be39ba1131be3c9d0fd491dbbccb330dccd1e

  • SHA256

    9d03d56a365e1b3d503f6da12a361e0d73066d7207650b00015c29743847ef8a

  • SHA512

    1469a3c95df037f9719c91b6bb9c00622e73ca27f32e9203c729ca77e69872469f1fbecc72bb5d7afc165d51a5020fabfe0b43f051694a6eb57b9f3222b4bc96

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ

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\9214842745bd569d671a2ee85007da80N.exe
    "C:\Users\Admin\AppData\Local\Temp\9214842745bd569d671a2ee85007da80N.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:2392
    • 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:5008
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 552
          3⤵
          • Program crash
          PID:3932
      • 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:1948
        • 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:4712
        • 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:3132
          • 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:2548
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qnNnGBIuTsry.bat" "
            4⤵
              PID:4872
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3340
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3932
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3344
                    • 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:2992
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3HEgJMDNeFuJ.bat" "
                      6⤵
                        PID:2884
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2396
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4268
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 2240
                          6⤵
                          • Program crash
                          PID:4716
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 2224
                      4⤵
                      • Program crash
                      PID:5028
                • C:\Users\Admin\AppData\Local\Temp\9214842745bd569d671a2ee85007da80N.exe
                  "C:\Users\Admin\AppData\Local\Temp\9214842745bd569d671a2ee85007da80N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3076
                • 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:2588
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5008 -ip 5008
                1⤵
                  PID:2008
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:2428
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:3204
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:2416
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 520
                            3⤵
                            • Program crash
                            PID:4456
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:2532
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:4072
                            • 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:4716
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3204 -ip 3204
                            1⤵
                              PID:4396
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3132 -ip 3132
                              1⤵
                                PID:4756
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3344 -ip 3344
                                1⤵
                                  PID:116
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3088
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:628

                                    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\3HEgJMDNeFuJ.bat

                                      Filesize

                                      208B

                                      MD5

                                      42e2e64bbe2be2f218ddafbf77501a9b

                                      SHA1

                                      4220c20c1e004605de50e19b997efc0eb3b62244

                                      SHA256

                                      500fed56646f8a83382837fda0a90421580dafa6c00e56f0be331952d116f62b

                                      SHA512

                                      ab84ad2ddae00fbac82256a791cf2b9d8355f491fe72b9764ead739fdfe6c5e2ec692e88560192e82b2aef6e82011524b351032c76d71dc7c049bc1a57c345cb

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

                                      Filesize

                                      208B

                                      MD5

                                      b0d4ef5388971e7f8cf0884704f26515

                                      SHA1

                                      1b1386a33c31a513ba1fccc3e309b97c5b6412bd

                                      SHA256

                                      9ce995da71ef406f174f4daa3edc0d1589d79de1f9a72c6f595391c4e0b06fbc

                                      SHA512

                                      ae50e717f3c8951a016abf97bf5a69e44f8092900cc1ec2b2c0c65b284654013844abc6b5795d4bc90f155e80851ddd1fa407046bccf8ae9afbd59991ec0f3eb

                                    • 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\08-14-2024

                                      Filesize

                                      224B

                                      MD5

                                      73e514d958146f2594451b9b13de2df1

                                      SHA1

                                      eb88f91c266ee795398f83910e5432d77d050061

                                      SHA256

                                      42508101cca814cc2795649ef6937b34c34a446824995d6bbf8f0d1431653655

                                      SHA512

                                      d1c575577ed97599080ca2e07ad4eb0ff7c734fda6e0263d3dfee4ee2e924bde879212d01b03cee0f94adf7a577b11c4f021909d734cc162bdcb7c57e99fc29a

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      756cfb67618b8d982da7c2fe85aaccc9

                                      SHA1

                                      06bb6f200e19ce7eccc0b61657784d2c0ab8fcdf

                                      SHA256

                                      700afa14d2018b44e805c44c7e95eb79607c9bd896ce440eea2a661aadf33f99

                                      SHA512

                                      5b35a0f78c07cbfd66cb26a9fb31a096ecf52e3dc9d118888fc4edf777134af3da9ad83e18c9fd947b396171eb13b1f75df8f6efe7795eae11246fd6ea980e08

                                    • memory/1948-29-0x00000000008C0000-0x000000000091E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1948-35-0x0000000005730000-0x0000000005742000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1948-36-0x0000000006430000-0x000000000646C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1948-33-0x0000000005210000-0x00000000052A2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1948-32-0x00000000057C0000-0x0000000005D64000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1948-34-0x00000000052B0000-0x0000000005316000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/2392-73-0x0000000002890000-0x0000000002891000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2392-28-0x0000000002890000-0x0000000002891000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2428-85-0x00000000759A0000-0x0000000075A4F000-memory.dmp

                                      Filesize

                                      700KB

                                    • memory/2428-88-0x0000000074FC0000-0x0000000075056000-memory.dmp

                                      Filesize

                                      600KB

                                    • memory/2428-87-0x0000000075AA0000-0x0000000075B83000-memory.dmp

                                      Filesize

                                      908KB

                                    • memory/3076-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3076-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3132-44-0x0000000006260000-0x000000000626A000-memory.dmp

                                      Filesize

                                      40KB