Analysis

  • max time kernel
    5s
  • 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
    20-09-2024 02:27

General

  • Target

    9294cbac38a054ffdce5165536acc79598ad1cceea44288775f9f6e8d15f24d6N.exe

  • Size

    2.0MB

  • MD5

    e4aa2d0a8a1e0e8bf2951e4baa29f350

  • SHA1

    df7b8922ae8db1aa8d4cda604e52486261376454

  • SHA256

    9294cbac38a054ffdce5165536acc79598ad1cceea44288775f9f6e8d15f24d6

  • SHA512

    093a3bb384af5fdf24a79298c34dd7aa3d8c8fc1d7d9afb8faebc502fb3252ec109f9fbb67b7a8b26fd20c57044d53a60942e7e34b404ec0ecb9083a6637559b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYk:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG

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\9294cbac38a054ffdce5165536acc79598ad1cceea44288775f9f6e8d15f24d6N.exe
    "C:\Users\Admin\AppData\Local\Temp\9294cbac38a054ffdce5165536acc79598ad1cceea44288775f9f6e8d15f24d6N.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:3836
    • 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:904
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 548
          3⤵
          • Program crash
          PID:2828
      • 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:4608
        • 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:436
        • 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:4100
          • 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:2352
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eh3ZybfnCHEC.bat" "
            4⤵
              PID:2516
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:5020
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4736
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1248
                    • 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:244
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qJaj0R7Uhevm.bat" "
                      6⤵
                        PID:664
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4604
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1800
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1384
                              • 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:3168
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 2172
                            6⤵
                            • Program crash
                            PID:4144
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 1748
                        4⤵
                        • Program crash
                        PID:3504
                  • C:\Users\Admin\AppData\Local\Temp\9294cbac38a054ffdce5165536acc79598ad1cceea44288775f9f6e8d15f24d6N.exe
                    "C:\Users\Admin\AppData\Local\Temp\9294cbac38a054ffdce5165536acc79598ad1cceea44288775f9f6e8d15f24d6N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2724
                  • 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:2624
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 904 -ip 904
                  1⤵
                    PID:2164
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4100 -ip 4100
                    1⤵
                      PID:3848
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1700
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:5068
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:452
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 520
                                3⤵
                                • Program crash
                                PID:3868
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2812
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4476
                                • 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:4108
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5068 -ip 5068
                                1⤵
                                  PID:1748
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 1248 -ip 1248
                                  1⤵
                                    PID:3200
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2204
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3504

                                      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\eh3ZybfnCHEC.bat

                                        Filesize

                                        208B

                                        MD5

                                        586c9f2f6943cef9cbd8a333591157f2

                                        SHA1

                                        21537e2aff4f9481a48ded502f1eb123f539096c

                                        SHA256

                                        68a163332a2c74f183f3bcf22fd7d7bd38c84b46db8c4cf010a954f2fbe1877c

                                        SHA512

                                        b2af9b1f68bf3d09891f8622de060db19286334ac44be4b5ded5f3d51744dde03de809ca579561461e7485176035e07485683ee6865fd2af5a2e39f02f38ca82

                                      • C:\Users\Admin\AppData\Local\Temp\qJaj0R7Uhevm.bat

                                        Filesize

                                        208B

                                        MD5

                                        781740438f805bed008ce85f1a751823

                                        SHA1

                                        4243f12b66d6bf96ed805714cb39358d92235884

                                        SHA256

                                        5742f3029b23854a5396688062a376e13cf48c028d1f42dcdd3a263181bd3cf9

                                        SHA512

                                        7ef0cc9ccd30f3f5da763a9491bcf767a27fc28e2b3fc81e02f24423a25c5a554fd36cb3e101ec69c81a68ba9b3d99bb08db6b2bec7d7f9a339c47e714053396

                                      • 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\09-20-2024

                                        Filesize

                                        224B

                                        MD5

                                        9157636e54e25cda298b0dff41ecf3ad

                                        SHA1

                                        ee1dd5a0361c356236fa51f22c46f3f4cfabf326

                                        SHA256

                                        0017d64b53c4ffb311e37549de5bb0ff2d21e26c183e108d393a87417b2ef1ef

                                        SHA512

                                        52044b0f452c96dcecc739d79e520d55d03e9b6542ec61854e1911ddd14b51fb48420dbc76b093c6f8b4580a495e59a86f8c885f0c91cdd28ca537a64f1e0b0a

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-20-2024

                                        Filesize

                                        224B

                                        MD5

                                        261b7c31f843c41f79a4a59ed124911c

                                        SHA1

                                        311d6d9fb8c00491432298ea8f10599238d69666

                                        SHA256

                                        b8fc85b885706bb59efe95c1d2f2414ba4048f63bf43d7ee54778ac948139e54

                                        SHA512

                                        c969e3a5fe16be8766dc2a24503debf490ab02d736bbb571f90c458a8fbe8328fcf88bea9405d68bdb5074ed5b3b653482526b3eb3aab52d6d44da94143eaabd

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        85711a825cc98e077eb500c7c84080d6

                                        SHA1

                                        a2b40034a1d3ed94466140f73634c756ea10eda6

                                        SHA256

                                        2a409b6e40d00ca68be37e80357dc7c3f32bfa878d1f7f2dc5a831ad92eca2b3

                                        SHA512

                                        a7904d9062d341dfe1c9b91f92edc30e3acec4c0e801e1dd00daf4ea2aabbd22d7673edf926975f6362b6e68329ae8a977c22b75cb4f380a48fdde56ff65901e

                                      • memory/2724-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2724-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3836-89-0x0000000077340000-0x00000000773FF000-memory.dmp

                                        Filesize

                                        764KB

                                      • memory/3836-88-0x0000000077260000-0x000000007733C000-memory.dmp

                                        Filesize

                                        880KB

                                      • memory/3836-19-0x0000000004590000-0x0000000004591000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4100-45-0x0000000006BA0000-0x0000000006BAA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4476-80-0x00000000007D0000-0x00000000007F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4476-74-0x00000000007D0000-0x00000000007F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4608-29-0x00000000730FE000-0x00000000730FF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4608-37-0x0000000005EB0000-0x0000000005EEC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4608-36-0x0000000005970000-0x0000000005982000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4608-35-0x0000000004D40000-0x0000000004DA6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4608-34-0x0000000004CA0000-0x0000000004D32000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4608-33-0x00000000051A0000-0x0000000005744000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4608-30-0x0000000000330000-0x000000000038E000-memory.dmp

                                        Filesize

                                        376KB