Analysis

  • max time kernel
    5s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 10:57

General

  • Target

    e9507afb96cff2ad0fcfeb1e5126c480N.exe

  • Size

    2.0MB

  • MD5

    e9507afb96cff2ad0fcfeb1e5126c480

  • SHA1

    bf59bf7a5b3ebf2e56255fc074ff0d827685508e

  • SHA256

    797bde73849d91da456f152bf3db930f94a121b2bc655279148f6e2cd7d739ed

  • SHA512

    5234264aca21bce3947e8d242c48a4705d54dbc55e00f954573b83acb0ba41217e818e5eca69306c1da2120daff1a443d0dca7091dcf5a35d59123e00a84877e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

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 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\e9507afb96cff2ad0fcfeb1e5126c480N.exe
    "C:\Users\Admin\AppData\Local\Temp\e9507afb96cff2ad0fcfeb1e5126c480N.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:3144
    • 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:4136
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2368
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 548
          3⤵
          • Program crash
          PID:5088
      • 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:924
        • 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:1216
        • 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:4148
          • 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:2552
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9Mjn0FWx385t.bat" "
            4⤵
              PID:800
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3168
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2588
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4948
                    • 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:5024
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ENZuawrUvpW5.bat" "
                      6⤵
                        PID:5084
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2904
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3888
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2252
                          6⤵
                          • Program crash
                          PID:3892
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 2244
                      4⤵
                      • Program crash
                      PID:4136
                • C:\Users\Admin\AppData\Local\Temp\e9507afb96cff2ad0fcfeb1e5126c480N.exe
                  "C:\Users\Admin\AppData\Local\Temp\e9507afb96cff2ad0fcfeb1e5126c480N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2268
                • 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:116
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4136 -ip 4136
                1⤵
                  PID:4540
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:5036
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:3628
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:3408
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 520
                            3⤵
                            • Program crash
                            PID:2980
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3200
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2636
                            • 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:2496
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3628 -ip 3628
                            1⤵
                              PID:4416
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4148 -ip 4148
                              1⤵
                                PID:1608
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4948 -ip 4948
                                1⤵
                                  PID:2828
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4540
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3360

                                    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\9Mjn0FWx385t.bat

                                      Filesize

                                      208B

                                      MD5

                                      cd048c8b778b051e3f5c3b98e5cb658d

                                      SHA1

                                      6e1cccb27e7394bd4c81a6d5fbc4c93d574eada1

                                      SHA256

                                      ac84ef398430585ad9ef7112bc186ad586fbdba072e0995aeb6cfb909c5c4450

                                      SHA512

                                      a9432854c049d20add8b0939ba0ca70eb5be5eed038de066cfe8eb50391eedbb108115c6b3838b920486a7a4075ee0fd8b68537063475b5ae1f79fb59cc09bf3

                                    • C:\Users\Admin\AppData\Local\Temp\ENZuawrUvpW5.bat

                                      Filesize

                                      208B

                                      MD5

                                      8288adabc9da66d9a4fa69194e947d4e

                                      SHA1

                                      ace8aa125cffc6884d0a5c0a82953f998831fc1e

                                      SHA256

                                      e9b2b850cc94d74c3515a90c5d0e7313e7a9041bf90aa0d26083f51f63b3105a

                                      SHA512

                                      dd2115095c47acf8f4a75c429aadd2a55b2df007af0ecb4b7770b983cd9fa05bf05a9bfcc3d857e3d014d017fe6b8b22e16155548789ab8d51994ee36006bcc2

                                    • 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\08-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      434310672c45cc4f1d72f5ab4e9f2de3

                                      SHA1

                                      619fb09a2a2dc63847d1ed0cfef4c4790acc22d3

                                      SHA256

                                      a0541962d79b491d3660a830668a6d9d56575fef00b1a89654b52a0591aea7b4

                                      SHA512

                                      12ec9f964cf0e3129cd94e04e0370fe5bef00b3f6f5e0cde0ba92eb2f0e5f657dddf0ae824a1104a4afdf017e926643c2c54da999bd24f88cb688e87a501d7e2

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      46d13fdd7ef31e7f33827140043e835c

                                      SHA1

                                      24dc2afad80e7022447ce10898d16e4e7658ab54

                                      SHA256

                                      e5b2d11108c08b957ed9e342614d2e21506d1ccea25e8af588bc2cf4328d9b0d

                                      SHA512

                                      c741e3f776f775c02581e5f075c4f36673dc38370005b3fb248df998c41e561c00b40177c63f3636b3a4beea504a624f99ba6af1170df942d70df963ed0b27a0

                                    • memory/924-34-0x0000000004A30000-0x0000000004A96000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/924-33-0x0000000004990000-0x0000000004A22000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/924-35-0x0000000005770000-0x0000000005782000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/924-36-0x0000000005CB0000-0x0000000005CEC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/924-32-0x0000000004F40000-0x00000000054E4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/924-31-0x0000000000040000-0x000000000009E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/2268-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2268-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3144-19-0x0000000003A90000-0x0000000003A91000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4148-44-0x0000000006810000-0x000000000681A000-memory.dmp

                                      Filesize

                                      40KB