Analysis

  • max time kernel
    4s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 21:17

General

  • Target

    e0ddcf363cc154b0bc398484397f9be0N.exe

  • Size

    2.0MB

  • MD5

    e0ddcf363cc154b0bc398484397f9be0

  • SHA1

    f057acb0d3a1c057d4ffe1d0c267dbfef00eefa1

  • SHA256

    6a06f6cbdd342d3effee7e0f411080d8b0c302cdcb7f0ebaa1dce87ae46d40c5

  • SHA512

    4dfe40b14576ac0446fe76a40b29e8839b4c50987c271362e16d0189d6a1ed9627a1b5e4b4764f0eb246ff6fd701cbd36cd8cbaa5b119c24401351f1f0fe0334

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYM:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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\e0ddcf363cc154b0bc398484397f9be0N.exe
    "C:\Users\Admin\AppData\Local\Temp\e0ddcf363cc154b0bc398484397f9be0N.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:3540
    • 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:2684
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 548
          3⤵
          • Program crash
          PID:1888
      • 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:2740
        • 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:3416
        • 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:4412
          • 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:4608
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sJIlm6YObQN7.bat" "
            4⤵
              PID:1508
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3132
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2016
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3716
                    • 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:3420
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\da0g2LXSa829.bat" "
                      6⤵
                        PID:2384
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4628
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1556
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 2212
                          6⤵
                          • Program crash
                          PID:2356
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 2244
                      4⤵
                      • Program crash
                      PID:4164
                • C:\Users\Admin\AppData\Local\Temp\e0ddcf363cc154b0bc398484397f9be0N.exe
                  "C:\Users\Admin\AppData\Local\Temp\e0ddcf363cc154b0bc398484397f9be0N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:5044
                • 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:1884
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2684 -ip 2684
                1⤵
                  PID:3772
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:776
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:2720
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:3648
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 520
                            3⤵
                            • Program crash
                            PID:3308
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:1756
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2280
                            • 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:3068
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2720 -ip 2720
                            1⤵
                              PID:2044
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4412 -ip 4412
                              1⤵
                                PID:2228
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3716 -ip 3716
                                1⤵
                                  PID:3376
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4136
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3996

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    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\da0g2LXSa829.bat

                                      Filesize

                                      208B

                                      MD5

                                      02bfa5a62d5449260ca0952ab6247bf0

                                      SHA1

                                      b106b4cde59b30b859c908f50b536ef56b067966

                                      SHA256

                                      895263968eb79203f69a8350ca3efdea1c9ad3c08a8790ff992c6c6060e65e31

                                      SHA512

                                      8700833fe6311c3c927f2353b21497290ea0c92761ea188c2e9571f934f51328ee9712a03442abf1864cefb9f5cf822b14e3c217749d47497faa16b58a7a2dea

                                    • C:\Users\Admin\AppData\Local\Temp\sJIlm6YObQN7.bat

                                      Filesize

                                      208B

                                      MD5

                                      579fc26d33591104b8ef48b403cfe769

                                      SHA1

                                      7faa65e1ab457843c7bddba66e9a65a68b092684

                                      SHA256

                                      964fed148c643dfe67383dc214c6ab0f7e8314ee6141fc1481af898b5577b58b

                                      SHA512

                                      06646757b61fd67976849b78189c4b54f8cf1703729d3abd8bfba849084ae061ee3fe21b497f35c6b46151824e8c5fb4a8a8be29381fb8cec38dad65dc1ab50b

                                    • 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\09-14-2024

                                      Filesize

                                      224B

                                      MD5

                                      fc8effb5434ec7f47a9d8840df700ba5

                                      SHA1

                                      7d82511fb5c564eae2bb9aec8bccf287d307c3af

                                      SHA256

                                      5b67e949989cb41d3aaf7c6447d88e2cd2e7d64cc930ecad6c479e2bb3847ea0

                                      SHA512

                                      3de8a983e029a2f01093574391a2612bd202de71f710d10f656bf25df07026112605ead76869c2928977f16d300ff8e52568716bfded67866bb9439b7ee69b35

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      7ea9a3bf12cd295de5b0c4a487de7fd1

                                      SHA1

                                      79177010ea1c9e5f03b7bbbfbef9e557782861e5

                                      SHA256

                                      f61be46b4efe5d83bb4c2ee69cf779f581af31c357c6a6106cc8e775ca17179d

                                      SHA512

                                      e94b330398bf274cc967225fb4d5047b6c700381bd41494f251d1f80a2efc8efd7c92761baed61088710b96bb6d77b3a06afa51fdeb418ed7f2e7f098c5a5637

                                    • memory/2740-34-0x0000000004B60000-0x0000000004BC6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/2740-33-0x0000000004AC0000-0x0000000004B52000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/2740-35-0x0000000005780000-0x0000000005792000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2740-36-0x0000000005CC0000-0x0000000005CFC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/2740-32-0x0000000004FD0000-0x0000000005574000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/2740-31-0x0000000000150000-0x00000000001AE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/3540-19-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4412-44-0x0000000006230000-0x000000000623A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/5044-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/5044-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB