Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 21:57

General

  • Target

    ca59028bc78254fc761a269d6518ffd68206c292067b367bc830defef4b86cd0.exe

  • Size

    2.0MB

  • MD5

    a3ded7e9d3d450599b74aa494a670c67

  • SHA1

    042473e84228e217e6386210264eee79e53d800c

  • SHA256

    ca59028bc78254fc761a269d6518ffd68206c292067b367bc830defef4b86cd0

  • SHA512

    9c11608f7c2eacc3e443cdc2529788e0215ac22e0e5566e6936a8f925c1807ad70c0a79c85b223da73ec398f0a02b7553c2f226c42bd86343adcb0b2654625ca

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

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\ca59028bc78254fc761a269d6518ffd68206c292067b367bc830defef4b86cd0.exe
    "C:\Users\Admin\AppData\Local\Temp\ca59028bc78254fc761a269d6518ffd68206c292067b367bc830defef4b86cd0.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:676
    • 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:2852
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 548
          3⤵
          • Program crash
          PID:3560
      • 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:4448
        • 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:4052
        • 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:3756
          • 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:3952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qG3J3hZSGewW.bat" "
            4⤵
              PID:1948
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1584
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3864
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4632
                    • 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:1192
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JUEedZg5nC36.bat" "
                      6⤵
                        PID:2192
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4444
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2128
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4880
                              • 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:1228
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 2236
                            6⤵
                            • Program crash
                            PID:3500
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 1672
                        4⤵
                        • Program crash
                        PID:4684
                  • C:\Users\Admin\AppData\Local\Temp\ca59028bc78254fc761a269d6518ffd68206c292067b367bc830defef4b86cd0.exe
                    "C:\Users\Admin\AppData\Local\Temp\ca59028bc78254fc761a269d6518ffd68206c292067b367bc830defef4b86cd0.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3784
                  • 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:2136
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2852 -ip 2852
                  1⤵
                    PID:2020
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3308
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4472
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4072
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 520
                              3⤵
                              • Program crash
                              PID:636
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1564
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4112
                              • 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:3860
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4472 -ip 4472
                              1⤵
                                PID:3448
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3756 -ip 3756
                                1⤵
                                  PID:3184
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4632 -ip 4632
                                  1⤵
                                    PID:2688
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1140

                                    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\JUEedZg5nC36.bat

                                      Filesize

                                      208B

                                      MD5

                                      cca4d3b20cec85d547f4e7176672424b

                                      SHA1

                                      c25277869671d1aed37732754120881033c9b31f

                                      SHA256

                                      beef984b112191b3fd49ff01d9f3cfe6a855447e77ef5d389506d24f31e0c8eb

                                      SHA512

                                      f4f87635b700c5046fc441635c86a85fd579ab6f049d7e3459e1011ad111ce499db531ac83f61d4f76891cdd62dff379411037d3ba42fe26bbc29c4a00a08544

                                    • C:\Users\Admin\AppData\Local\Temp\qG3J3hZSGewW.bat

                                      Filesize

                                      208B

                                      MD5

                                      9de90b062064f70678343ec2bf406063

                                      SHA1

                                      7ccbd94664a779e0d2e6b1cb7eca1af06090a78c

                                      SHA256

                                      5f9b970ffd3b0e96d654444cb8def194b747407500b2ef0399db18957b84835c

                                      SHA512

                                      32d5eb31aa052f6c850e17ed1b7a53b7c65f59702ff3d2d00eb12361605be19df151876569f22158e8377968ebef59474102c558de27940abcbfdf58445e8d2f

                                    • 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\12-02-2024

                                      Filesize

                                      224B

                                      MD5

                                      1e8c91b2e0d9feef640d58416b8bf3e4

                                      SHA1

                                      19152e5a3323f4283eb7508252407e34c83cb1fc

                                      SHA256

                                      c82668cf506311878155c86c74d69bdc6ec0300ec5e2fe9ee4eb7b96ba12802e

                                      SHA512

                                      44ea0473d0177c447fb8beaab33dc23d6de11e78d1fd497eb822a40fde0b222d3c49b8ee389c27a74938168faeaa14841a0dcdd19c3dd10fa31becaf750880d9

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-02-2024

                                      Filesize

                                      224B

                                      MD5

                                      a6154fe9d16f60c531bf7e78fb550742

                                      SHA1

                                      39aa4a817826d9cac365c6a5ce83ae52cfb625f4

                                      SHA256

                                      0122e436121525858cf64313d67fed5d05c69a323b1225d98c47dcb6d2f899ed

                                      SHA512

                                      7868bd9a55a353d012c7a2f645cf4da0e0a8971bc691beeaea24e03eb6a896967b259acc4fabaa9b774b42b6e3c32b0467d44e6090aacd7462f29b2cf7245288

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      53c75a255e410cc2a5ed8c216c1d109e

                                      SHA1

                                      4c7795e6db6c21c33558cfdacbbebc7622ec8f38

                                      SHA256

                                      61a9bf69d1e34ea9336163a4700107af731faf915b32b7b5126370e43c84e2a7

                                      SHA512

                                      0a9a26886a6cb1a5195fe980005fe84e50e2057d356e0dba65a0d5956463150f40a39830e2efe246a5b633dd6dc765f8ad75e75510e578240e58a5636f66e47a

                                    • memory/676-19-0x0000000001130000-0x0000000001131000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3756-45-0x0000000006A60000-0x0000000006A6A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3784-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3784-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4448-37-0x0000000006870000-0x00000000068AC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4448-36-0x0000000006330000-0x0000000006342000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4448-35-0x0000000005730000-0x0000000005796000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4448-34-0x0000000005690000-0x0000000005722000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4448-33-0x0000000005C40000-0x00000000061E4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4448-30-0x0000000000D00000-0x0000000000D5E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4448-29-0x00000000735BE000-0x00000000735BF000-memory.dmp

                                      Filesize

                                      4KB