Analysis

  • max time kernel
    5s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 18:10

General

  • Target

    27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN.exe

  • Size

    2.0MB

  • MD5

    8eafa73c310e5696ef8c6eede692bcb0

  • SHA1

    8c006502c13c906ba1c425bd60777d744ec6759b

  • SHA256

    27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05b

  • SHA512

    a0d661976d9e28343db958f544439db726a17e29d8fb5e81c5a9de09cfd5f73d6629e2c2a52be110f17ee2363111e8e5659d8ec94909f49dbe1c7a1f59558c92

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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\27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN.exe
    "C:\Users\Admin\AppData\Local\Temp\27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN.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:2792
    • 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:3964
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 536
          3⤵
          • Program crash
          PID:1680
      • 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:756
        • 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:4512
        • 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:2524
          • 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:1656
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qL70PKpzW4U8.bat" "
            4⤵
              PID:5116
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:660
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1112
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2864
                    • 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:1344
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8LwR0RXrtD8H.bat" "
                      6⤵
                        PID:944
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3784
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5060
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3464
                              • 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:984
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 1748
                            6⤵
                            • Program crash
                            PID:3220
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 2280
                        4⤵
                        • Program crash
                        PID:4304
                  • C:\Users\Admin\AppData\Local\Temp\27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN.exe
                    "C:\Users\Admin\AppData\Local\Temp\27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2544
                  • 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:3996
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3964 -ip 3964
                  1⤵
                    PID:1344
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2796
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:672
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3768
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 520
                              3⤵
                              • Program crash
                              PID:4072
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2932
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2700
                              • 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:3700
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 672 -ip 672
                              1⤵
                                PID:1220
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2524 -ip 2524
                                1⤵
                                  PID:624
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2864 -ip 2864
                                  1⤵
                                    PID:616

                                  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\8LwR0RXrtD8H.bat

                                    Filesize

                                    208B

                                    MD5

                                    409ad0bdfd7031ae62237fd71db74424

                                    SHA1

                                    48e98bc4219ede9c4296c7891dab963fb7e0bfbd

                                    SHA256

                                    f9f35aa6e32dbf80b43fd1826c7ebc7986679ad5e5bba0f353ecd1f9340b8e01

                                    SHA512

                                    a24f90e8f16de8eaa4a3338aab21a348c2f7d7b62e92035f6487cf52ba45b8b66cd0753d95f846c76faab914da775a3caf947f6e6db0ad7b563c4eae8ad57290

                                  • C:\Users\Admin\AppData\Local\Temp\qL70PKpzW4U8.bat

                                    Filesize

                                    208B

                                    MD5

                                    4e4992552d1a8c321dc541d10ce3027c

                                    SHA1

                                    6eb809dccbc56b19a49a367e7654f5aad746d305

                                    SHA256

                                    0848379a16156cd328bdc6fd468dfd04a71feb436f89719d2ba4cab1b991b458

                                    SHA512

                                    5e699f92b5eb88f56d88b617a015d3aa0ce2682096def960e259c68c270c2b5521ccf2238111110fd3f13b0f73ab833bbcdafc37f29cc075f455446326d51b09

                                  • 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\10-09-2024

                                    Filesize

                                    224B

                                    MD5

                                    dd7787cf960da14adbb50e4e6a019828

                                    SHA1

                                    25ec1ea8629cfc3572185f475f3991a18cc10268

                                    SHA256

                                    c305454d1bdbb8f46c0014f6878923cc2ed2feb4651f1291ca370b3106d4cc3d

                                    SHA512

                                    eb268aa8d334d8c1c5ea79fad524a049b3bc2b796163af931e0de639e024523747cb0176b810b66bb8e2486d1526313c7f7978ea865d23b113d86d511483671d

                                  • C:\Users\Admin\AppData\Roaming\Logs\10-09-2024

                                    Filesize

                                    224B

                                    MD5

                                    f970aeeb14958beec7344c538a12ecba

                                    SHA1

                                    6cfcae7d2563e7125e1bf6d2511535a4e5e0966d

                                    SHA256

                                    49d9442ee20c420d6860c327293479d7e2715cece7c54f832ff565112f619c5b

                                    SHA512

                                    d8a5cd4199db1fcbd2e90d88819e51cca892bf2aa4402d6e3db1919ba444741b7b59d741356cebd8234ecc46a4ff861f6974290b3a4da26ce581c315496ed6b5

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    fa99966abb0a3a517ad8102ade0781e6

                                    SHA1

                                    386bd9e9a3a89c0ab2c63149272fadfd7c0ceec5

                                    SHA256

                                    ffe03e46a0b6035de49933362e758002d4a69c3e4e501b251206ed9650eeca5b

                                    SHA512

                                    1647aa138568be61c71a747eddd28edef87b8b01eea9b21c1d661109ff295a795e80596fc3e0f96a9ad0cea93f343d9f39519ee358bab8ca58ceb47775ef33e6

                                  • memory/756-36-0x0000000006660000-0x0000000006672000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/756-35-0x0000000005940000-0x00000000059A6000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/756-34-0x00000000058A0000-0x0000000005932000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/756-37-0x0000000006BA0000-0x0000000006BDC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/756-33-0x0000000005D50000-0x00000000062F4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/756-30-0x0000000000DE0000-0x0000000000E3E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/756-29-0x0000000072A5E000-0x0000000072A5F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2524-45-0x0000000006860000-0x000000000686A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/2544-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2544-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2700-67-0x0000000000150000-0x0000000000170000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2700-73-0x0000000000150000-0x0000000000170000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2792-19-0x00000000022A0000-0x00000000022A1000-memory.dmp

                                    Filesize

                                    4KB