Analysis

  • max time kernel
    5s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 13:04

General

  • Target

    3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe

  • Size

    2.0MB

  • MD5

    3f8d4a67e8e2d15220f4ec2cb0caf28c

  • SHA1

    3fb979356e7978bc1663516e9ef93428635dcba3

  • SHA256

    3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed

  • SHA512

    5445ee21fe04d9772a3af88f31e5706b45d4c32533a9c230f70f66a2d50c637af6d7a43f96a85be68b786562e509a75ac345be92cc7758332a3987aec61f577d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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 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\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.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:2544
    • 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:4692
      • 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 4692 -s 548
          3⤵
          • Program crash
          PID:3636
      • 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:4612
        • 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:4020
        • 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:1300
          • 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:384
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\T7c6yrwVJwnB.bat" "
            4⤵
              PID:860
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3748
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4304
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4048
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 2248
                  4⤵
                  • Program crash
                  PID:4900
            • C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe
              "C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:5020
            • 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:4052
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4692 -ip 4692
            1⤵
              PID:740
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:4548
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:1424
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:4420
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 520
                        3⤵
                        • Program crash
                        PID:3172
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:5012
                        • 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:1172
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:4540
                            • 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:708
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iZyyxm4VSzHe.bat" "
                              4⤵
                                PID:3404
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:4812
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:3036
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:4560
                                      • 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:1320
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 2260
                                    4⤵
                                    • Program crash
                                    PID:3528
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:740
                                • 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:4604
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1424 -ip 1424
                                1⤵
                                  PID:2192
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1300 -ip 1300
                                  1⤵
                                    PID:2908
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4540 -ip 4540
                                    1⤵
                                      PID:3668
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2484

                                      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\T7c6yrwVJwnB.bat

                                        Filesize

                                        208B

                                        MD5

                                        10aa8b1b748b5d1c4602860a4f4f90e0

                                        SHA1

                                        9baf000be849cea867b8dbbae5214118cfeadb44

                                        SHA256

                                        f18c27b2d79d0facb59b067b1c592a07995f9661f36090f8055572198718ac8c

                                        SHA512

                                        4b6cf5a4bef01d9972425f8463ea53fd4a72b049f2dd0306a9d34316040a4b6ab2874318b0465443506a3e1e6d1377ad5d0111548ec44de73c0d55dafea4f03c

                                      • C:\Users\Admin\AppData\Local\Temp\iZyyxm4VSzHe.bat

                                        Filesize

                                        208B

                                        MD5

                                        2aef8ef1867fb79a5591e770cf2ab64e

                                        SHA1

                                        d953a09fe95bbc92db59f08e7f6d590fe8e59b58

                                        SHA256

                                        38ba08e59530e6851ede0180f991aa5593a53d4691d8b19745c416347cfb27a4

                                        SHA512

                                        42efcfb7b432203749813c0d1ba7066a7e46952677c9ce2da9611df3fdfca35d95be7826f29a46db842e5889ce79fa1032c27daab5c4f85c08804823a38b0b6b

                                      • 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\12-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        66c8b649e29e325b90268a4d09561bbf

                                        SHA1

                                        32037d0a3b79deb5ce1ccbf416455806e97cc5a9

                                        SHA256

                                        2be3d7de224b0f7539bfa35f88649a2092ca739704b2f17d6f8c4535e5615204

                                        SHA512

                                        6c974c372e75c64baf809e476448c9dc6258a3a7d74eaddebe0c6a97c7670f523c834346627f302c8448fd33cd797a3ecc5d51999a331dd414e5f05099978675

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        4612b03b19877656d93c1467501a21d4

                                        SHA1

                                        39f515b4fab9999abdd6ee49c1063adfb6eadd2c

                                        SHA256

                                        4d14b0dea6da23027546d75656a3a11fa172f1c47b5da109c827c1ba57ff546d

                                        SHA512

                                        f53997cda859c507ad896ab372c3ea1a6a9c830f49a680920de242d0d4e04c3f1b4f96b3a89fbdf40bed6ed1dd9030bbbaff9d2d023e01382ec6229bdea2635f

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        f6f9986662543ed65f14b74369911849

                                        SHA1

                                        8ebf4bbea5a676ade190f1aa1fd19834d03a6264

                                        SHA256

                                        eba555d58540f3b0cfaff8f55428b4962b0d66bcb1f7f88d797c61b687a4254e

                                        SHA512

                                        4ce80cf192f6dada76a5571885f49fbdcd2854f4b2c3e4d08fba1016222b2dfc80079f8c65ac2317f8c60debc4579a2d5d6bd2fbe875b0e9306665edbd47086b

                                      • memory/740-77-0x0000000000870000-0x0000000000890000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/740-71-0x0000000000870000-0x0000000000890000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1300-45-0x0000000006180000-0x000000000618A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2544-19-0x0000000001860000-0x0000000001861000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4612-29-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4612-37-0x0000000006780000-0x00000000067BC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4612-36-0x0000000005A90000-0x0000000005AA2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4612-35-0x0000000005670000-0x00000000056D6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4612-34-0x00000000055D0000-0x0000000005662000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4612-33-0x0000000005AD0000-0x0000000006074000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4612-30-0x0000000000C10000-0x0000000000C6E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/5020-28-0x0000000000AE0000-0x0000000000B00000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/5020-20-0x0000000000AE0000-0x0000000000B00000-memory.dmp

                                        Filesize

                                        128KB