Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 10:09

General

  • Target

    8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe

  • Size

    2.0MB

  • MD5

    92b4e1b83bd1d806d59f6eee8a28ffa0

  • SHA1

    75238a373abd56968689c81693b72c1590875a23

  • SHA256

    8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54

  • SHA512

    e6e767cf9172a5ee499d7a3fc187db2fc4ab0bf49719f35e6c87a7bdb48c2b7592e2b2437bc7aa5b79fed541b10190db5809856f5f2275460d783da77fc233c4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY0:2u0c++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 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 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\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.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:4364
    • 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:512
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 548
          3⤵
          • Program crash
          PID:2496
      • 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:4932
        • 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:1796
        • 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:5096
          • 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:2756
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Rch8Swg0COH2.bat" "
            4⤵
              PID:4752
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1936
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2212
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1576
                    • 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:2272
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eAIWOJxFnezw.bat" "
                      6⤵
                        PID:1656
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3436
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4768
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3980
                              • 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:4304
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 1980
                            6⤵
                            • Program crash
                            PID:2244
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 2232
                        4⤵
                        • Program crash
                        PID:3636
                  • C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe
                    "C:\Users\Admin\AppData\Local\Temp\8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3640
                  • 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:5024
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 512 -ip 512
                  1⤵
                    PID:1324
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4108
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4072
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4692
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 520
                              3⤵
                              • Program crash
                              PID:3216
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3348
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3728
                              • 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:4884
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4072 -ip 4072
                              1⤵
                                PID:3768
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5096 -ip 5096
                                1⤵
                                  PID:4360
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1576 -ip 1576
                                  1⤵
                                    PID:3732
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4228
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:212

                                      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\Rch8Swg0COH2.bat

                                        Filesize

                                        208B

                                        MD5

                                        2fbb54ca19a9f914067c867f1b4486fb

                                        SHA1

                                        ea35cfecd096d4f1d2bc54f00d5ec272da77bde3

                                        SHA256

                                        05516f34fc240c04677d9b0edaebc4177955ee81364cd46819638dd11075999c

                                        SHA512

                                        b2a5964e4c37cc5cfbc6f407d9bb76d65ba7b9fd86e189ca1fd1632c155328afc335fc436e00c6f261dfb46a85614b3b5d2fa8cb3564627d9c7983e93ce8f5aa

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

                                        Filesize

                                        208B

                                        MD5

                                        0d600d6bd66538d6bfe278efa3ee56e4

                                        SHA1

                                        3ed2e4c6110a4e81c50ecd4a9a0173b123a36916

                                        SHA256

                                        6d23c3cdd1ecba277e1e3bccec3b474069096cb629486ebcd2608c1a1f87cc89

                                        SHA512

                                        99c623dee6418274f9d4ba5bb09619c920ff2e282866b470e2a1d6b19858e7091cef78b6a884237696a42ceb9ae2641f3f052aeb6a0e17ee41ed4b34075da740

                                      • 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\09-22-2024

                                        Filesize

                                        224B

                                        MD5

                                        1e219d43957271e825fc2cbf42c3e658

                                        SHA1

                                        4c8c0b8f7d187321b664f49b28da93eaa09416a9

                                        SHA256

                                        4a98a8bd6fd859cbd03e68aa1caaaa592412dd8354ed663cd119cb6cf70f74b9

                                        SHA512

                                        f4d04fb175ff20f37b80b53a4da7af7a68aac88e9739d485cfd7b36b564cad5fed5c6dcbcc0162c008019ec6a95e13fc178fb3cc75e461e3137b96b012ebe487

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-22-2024

                                        Filesize

                                        224B

                                        MD5

                                        1b005aa4ad6b1aeec11ac299e702d997

                                        SHA1

                                        e39fe6e88feaaccedcaedb32c72f92e02b3842ad

                                        SHA256

                                        1e7db8cdf789446268db4f7cdbb022d777d7802313d4aad2077baaf1591fa5f8

                                        SHA512

                                        2289b51552fb3ae3ca506217b684a1e67f9c3511c05f141c59e6354e8442a3a11e074bb5442772fa231cd1e32f3400f5bfde3fca9161636260641ab7ccaf84ae

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        bb5d53c7e8a07e14d627d62a79685464

                                        SHA1

                                        73746f1a2403f3ed87684a3812efd170381946e1

                                        SHA256

                                        551aa84047da37752fbb0259652602cac217bb891176ec18ae249a77d748f94a

                                        SHA512

                                        b010e51b51b5c2e7074b5e36f85bfba589d6138f875f497cf84bbf6f82346d20d988d39711044205956892280348b83a40f908a99ee0eb9a6eb41c13423fc8f8

                                      • memory/3640-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3640-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4364-19-0x0000000001090000-0x0000000001091000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4932-34-0x0000000004EA0000-0x0000000004F32000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4932-37-0x0000000006060000-0x000000000609C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4932-36-0x0000000005B20000-0x0000000005B32000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4932-35-0x0000000004DF0000-0x0000000004E56000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4932-33-0x0000000005330000-0x00000000058D4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4932-30-0x0000000000390000-0x00000000003EE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4932-29-0x000000007343E000-0x000000007343F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/5096-45-0x00000000065F0000-0x00000000065FA000-memory.dmp

                                        Filesize

                                        40KB