Analysis

  • max time kernel
    6s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 07:48

General

  • Target

    005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe

  • Size

    2.0MB

  • MD5

    2874eed770eb9c67ded0643e813a00a0

  • SHA1

    7b5ed1e6164fca1b0c82b256c238840c965661c7

  • SHA256

    005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637c

  • SHA512

    203ae06889e57029d663dc56c6f693cb224baa12d1c434672a39ca6dbc62acac2e291de6f4acba9db6ed562a9fb7fe5f5b8c24d6201bc1f377a2dc7df2459562

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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 7 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\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe
    "C:\Users\Admin\AppData\Local\Temp\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.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:2836
    • 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:3472
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 548
          3⤵
          • Program crash
          PID:2012
      • 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:1472
        • 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:1676
        • 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:1744
          • 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:2260
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JRMpxJtcnMrQ.bat" "
            4⤵
              PID:3024
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4284
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1704
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3416
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 2244
                  4⤵
                  • Program crash
                  PID:3108
            • C:\Users\Admin\AppData\Local\Temp\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe
              "C:\Users\Admin\AppData\Local\Temp\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4104
            • 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:612
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3472 -ip 3472
            1⤵
              PID:2528
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1744 -ip 1744
              1⤵
                PID:468
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3804
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3976
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:1628
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 520
                          3⤵
                          • Program crash
                          PID:4536
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1664
                          • 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⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:4832
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:840
                              • 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⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4512
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JTnvgusSyEKP.bat" "
                                4⤵
                                  PID:3256
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:3664
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:2524
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:4980
                                        • 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:5072
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 2256
                                      4⤵
                                      • Program crash
                                      PID:2344
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:716
                                  • 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:4672
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3976 -ip 3976
                                  1⤵
                                    PID:1996
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 840 -ip 840
                                    1⤵
                                      PID:3940

                                    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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                      Filesize

                                      701B

                                      MD5

                                      5de8527438c860bfa3140dc420a03e52

                                      SHA1

                                      235af682986b3292f20d8d71a8671353f5d6e16d

                                      SHA256

                                      d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                      SHA512

                                      77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

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

                                      Filesize

                                      208B

                                      MD5

                                      bd4186971b77dfb6181f908ae3e111bc

                                      SHA1

                                      c3778037492917e71ca5d6e4a674e870549f39a7

                                      SHA256

                                      c86144130e05a3e0b467a72c1746e8189e77ab2d9a579c6e4326ecb417e27d8c

                                      SHA512

                                      2f159341ac6ad2a6123d1fdc1687fc00f2069020f02764b54ac11ddef7e73a03769df7ec0bc04e0238d855778111cd2fc25f80a08d841deb933ad40e46028341

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

                                      Filesize

                                      208B

                                      MD5

                                      acaa50dba304395ea29c53b2e2e4d519

                                      SHA1

                                      005eb1913d548d81cc71e41a7cf2e9ead82cd4be

                                      SHA256

                                      a79caae6393a4eccc4bcbdc0888f33211e33f811e9ae620c1680ef543477b24b

                                      SHA512

                                      a8d0927e621a4fe64bb459f221f0b7853cb9c099e54f2e52ad3362430951b63d08a373e26e55f3f5f2a6736ac31b4d358773339409a495283466c25874e9a359

                                    • 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\10-04-2024

                                      Filesize

                                      224B

                                      MD5

                                      3837ef1fcd7f4e70dada8933d08e3a54

                                      SHA1

                                      0a18dc4bfd035d3960a150bd7a349b85b7c77cd7

                                      SHA256

                                      dc48bfd5ce47aa5a7e1b764bc449b1dd2b2acae6e9e76a530c5ae1a2a8702360

                                      SHA512

                                      2e6021a25abbaf44870a1654a86c83627d50fbb07e7083d5409b471e970c03012e64c9b3203a9ed879c6d03d8c2c05ed97438cf5aae3aa9471182608da05b899

                                    • C:\Users\Admin\AppData\Roaming\Logs\10-04-2024

                                      Filesize

                                      224B

                                      MD5

                                      e482e027f90b19143812a55048c44742

                                      SHA1

                                      e145d8eefd8889767ba059d2da5112e70022850f

                                      SHA256

                                      bfca86152b1122f6166a8c99aa17322edbac0e87acf5450f79409d17f95290d3

                                      SHA512

                                      7f455e59201a531b005b64d20198e53bd4f5fccc11e4af8ae24f8fefb4cdef1d8429e96ad87644e6c708385b5bef87a5156d1498aa277b4d84e6b78ca409059a

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      10367dd9c51aebf374d9c8e7ce722e51

                                      SHA1

                                      1f0971e0221050b843108f051cae4c9fb0554f01

                                      SHA256

                                      27856d76dca220f5684571287ddc3c49bdbd90e9512ea38250d7ab0be02efd20

                                      SHA512

                                      fcfe502705f4e57984bbd26ca36616939f495fe4dd031c994ec2fd148653afadd30f983b483bd32d01da045c11c411b19d9b94b1b91a51ab298db40756908d72

                                    • memory/1472-36-0x0000000005BA0000-0x0000000005BB2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1472-35-0x0000000005630000-0x0000000005696000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1472-37-0x0000000006890000-0x00000000068CC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1472-34-0x00000000056D0000-0x0000000005762000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1472-33-0x0000000005BE0000-0x0000000006184000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1472-30-0x0000000000D10000-0x0000000000D6E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1472-29-0x000000007339E000-0x000000007339F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1744-45-0x0000000006B30000-0x0000000006B3A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2836-19-0x00000000037B0000-0x00000000037B1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4104-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4104-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB