Analysis

  • max time kernel
    6s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:38

General

  • Target

    14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe

  • Size

    2.0MB

  • MD5

    8de04844f9165b9be51e8a9e1ff03940

  • SHA1

    bc175188740ce04a7170684d6d87e4725675a58f

  • SHA256

    14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258

  • SHA512

    418a63d406ab626306f2c29d96ff9829d241868878fe012583410d6d730d7b4168a938c497939df87b0032d4199873282cee1c34a0015ff601db2527dc606bfa

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

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

    Quasar is an open source Remote Access Tool.

  • Quasar payload 4 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 2 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\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe
    "C:\Users\Admin\AppData\Local\Temp\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.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:2564
    • 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:4596
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 548
          3⤵
          • Program crash
          PID:2424
      • 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:1536
        • 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:1604
        • 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:3552
          • 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:4944
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iFWAhLo0UA4z.bat" "
            4⤵
              PID:1556
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:968
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1940
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3268
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1972
                  4⤵
                  • Program crash
                  PID:464
            • C:\Users\Admin\AppData\Local\Temp\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe
              "C:\Users\Admin\AppData\Local\Temp\14b2a9b27378974f3e88d1cafdf4bae45e598b2f89d5968c3687326b43aab258N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3196
            • 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:5068
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4596 -ip 4596
            1⤵
              PID:1540
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3552 -ip 3552
              1⤵
                PID:3024
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4452
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1420
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4344
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 520
                          3⤵
                          • Program crash
                          PID:4304
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4016
                          • 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:2480
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:2148
                              • 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:4224
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cWvmRdvFbO99.bat" "
                                4⤵
                                  PID:1760
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:1824
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:2260
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 2256
                                    4⤵
                                    • Program crash
                                    PID:4044
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1752
                                • 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:3908
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1420 -ip 1420
                                1⤵
                                  PID:4348
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2148 -ip 2148
                                  1⤵
                                    PID:2340
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4944
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4796

                                      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\cWvmRdvFbO99.bat

                                        Filesize

                                        208B

                                        MD5

                                        45006b306973e2760d9fa5302fe1e3bc

                                        SHA1

                                        0a02923cfd7063831bf47086329480d1d17b9793

                                        SHA256

                                        2fb7353dbd8a5e023d68e503cf8499710e73f5250cb14c2cbcbe8238a4ff64e3

                                        SHA512

                                        d49d20442b333b9790583c961f587389fa5c3e37dd243f573a53e19489ff16c12a23748926c15a778b98bf4173afa3cdecbab59f216741004631a513abb5d0fc

                                      • C:\Users\Admin\AppData\Local\Temp\iFWAhLo0UA4z.bat

                                        Filesize

                                        208B

                                        MD5

                                        8ac02f75e2388bc14967bcf2b57a189b

                                        SHA1

                                        901b5df2bb90e145523f8ae70c0926c4d603935c

                                        SHA256

                                        7837e123c272129de3e9e2aad770b35e4a9dae045561d098098f3565a3f89316

                                        SHA512

                                        c0f751b834d17d2d4f511058ccf50c5ba37b303b0a87ae6e1ea8ab22f66469596dc1f180080dd8963a4d8e2d7decc6d03a045ecb54f0590f06432b1319cae31a

                                      • 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\09-19-2024

                                        Filesize

                                        224B

                                        MD5

                                        1be2a9c037bb96823b497e25339fed6d

                                        SHA1

                                        a327dd07fb6e5c729235b894d3fb792c4e9a1733

                                        SHA256

                                        37b8f1d4fbcf1499e0d03a462b8bb1f17dec74314d3ccd80e3c74622e3fd6387

                                        SHA512

                                        fb2ef0087f413ba0c7ee1ae1b347d11e13f111cfa11f849aaa1d57b5120c44cd971c074eb626a06e2bd406039795b218b3c5144b29b734f97b937038f4d511d7

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        c1fc3f1aa6d396436333e5ce16174889

                                        SHA1

                                        b8a269d9f6074e32213ff5c49a05db41c0d2ae65

                                        SHA256

                                        a39240b7d03be8db4cbf3ef7689aecb028722c4c4cc505376090925338d4c289

                                        SHA512

                                        cb4e2cc997a1b474eec608680b7fb117e8321177c0815520cb7176fdd77540a07a870dc010682eada0bf8c090276031fbd9fe032ad124f7c5ab3affc57eb3970

                                      • memory/1536-30-0x0000000000890000-0x00000000008EE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1536-34-0x0000000005300000-0x0000000005392000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1536-35-0x00000000053A0000-0x0000000005406000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1536-36-0x0000000006000000-0x0000000006012000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1536-37-0x0000000006540000-0x000000000657C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1536-33-0x0000000005810000-0x0000000005DB4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1536-29-0x00000000729EE000-0x00000000729EF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2564-19-0x00000000035E0000-0x00000000035E1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3196-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3196-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3552-45-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4452-91-0x00000000000F0000-0x00000000002FA000-memory.dmp

                                        Filesize

                                        2.0MB