Analysis

  • max time kernel
    6s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 12:10

General

  • Target

    8e3ff12a1fb091d2ffde45c1b59b144218ac4bfa3989bb1e1e4ad64af4d639e3.exe

  • Size

    2.0MB

  • MD5

    d01c5529f58933539073d2f0824a22da

  • SHA1

    09618c1345af21c65d0362bd0477fad056150e68

  • SHA256

    8e3ff12a1fb091d2ffde45c1b59b144218ac4bfa3989bb1e1e4ad64af4d639e3

  • SHA512

    7f13542150f8ee05c65149036819ed1563c9d4f0dd424b1bea64880751567c0818d0cdf478d8ef45ea5b4d0ecb29e3daa2b7652706ea98a549ff886742f45ca4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y+

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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • 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\8e3ff12a1fb091d2ffde45c1b59b144218ac4bfa3989bb1e1e4ad64af4d639e3.exe
    "C:\Users\Admin\AppData\Local\Temp\8e3ff12a1fb091d2ffde45c1b59b144218ac4bfa3989bb1e1e4ad64af4d639e3.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:4872
    • 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:3024
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 556
          3⤵
          • Program crash
          PID:1440
      • 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:1420
        • 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:1804
        • 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:3424
          • 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:4232
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ByYuk6eF44c3.bat" "
            4⤵
              PID:5116
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4552
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4404
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1536
                    • 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:1448
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bcpufZo2VmA9.bat" "
                      6⤵
                        PID:4356
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4460
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:764
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3864
                              • 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:3288
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 2260
                            6⤵
                            • Program crash
                            PID:3536
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 2000
                        4⤵
                        • Program crash
                        PID:4564
                  • C:\Users\Admin\AppData\Local\Temp\8e3ff12a1fb091d2ffde45c1b59b144218ac4bfa3989bb1e1e4ad64af4d639e3.exe
                    "C:\Users\Admin\AppData\Local\Temp\8e3ff12a1fb091d2ffde45c1b59b144218ac4bfa3989bb1e1e4ad64af4d639e3.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:860
                  • 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:1636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3024 -ip 3024
                  1⤵
                    PID:2644
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3424 -ip 3424
                    1⤵
                      PID:3760
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1092
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1468
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4752
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 520
                                3⤵
                                • Program crash
                                PID:4348
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4944
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2452
                                • 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:3484
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1468 -ip 1468
                                1⤵
                                  PID:4008
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1536 -ip 1536
                                  1⤵
                                    PID:4672

                                  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\ByYuk6eF44c3.bat

                                    Filesize

                                    208B

                                    MD5

                                    cfe5734d9917ae02a3afaf84026524ec

                                    SHA1

                                    6d3186ca7a97e3257a60dbc1e919a247bfcad15d

                                    SHA256

                                    55d0f446347b1035963f440b18a3f6c73ed4ed77afbc0ed3e772bf64de4a2d43

                                    SHA512

                                    02fc415923551e58f383b5cc2d1f2f3520e5143e97b00e7f36a3fe1a21b6fad6117b45f90ddb81a3466a5bd2a7829dccc650bba61faacdc7bbcc977d535dced3

                                  • C:\Users\Admin\AppData\Local\Temp\bcpufZo2VmA9.bat

                                    Filesize

                                    208B

                                    MD5

                                    5e08859b2c1e9ab6ca6b1727873db099

                                    SHA1

                                    be9e363bc8152eda6ca38b94c7345c3b2fac2c41

                                    SHA256

                                    884757156dbc37f8d5d88dbee1916a69e044acb85852e157235cfb2523785b28

                                    SHA512

                                    42e82d28902f03c65658ba6a44674c92b6d340225b9d18235742b6a4a66ce7cc5fbecb2c7f284e047f910828b4ecf7e94f736a3024617f4c382bd0ffa3d7b170

                                  • 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\12-01-2024

                                    Filesize

                                    224B

                                    MD5

                                    4be525770726957f1d60d944bf0197ca

                                    SHA1

                                    09c7a71cee3f23ae6b94b09e71895b7be8c8394f

                                    SHA256

                                    fd1b870eb5d85dde92f5195f593aec54d6b278c334cc803354ab7eab74a09592

                                    SHA512

                                    e0c2af969ec4caccf34d833a5d50d10960d9b29286cda6ecbe27a75031e1b30d53d8206f61d6cfa633f59150919ba98b67c1051cf28f137af72966fd65158257

                                  • C:\Users\Admin\AppData\Roaming\Logs\12-01-2024

                                    Filesize

                                    224B

                                    MD5

                                    3b3cac2d2ce8f387ea33e673a3d4f5da

                                    SHA1

                                    8a1424a0829813b38c6ce6df0cc3e3d625ed3492

                                    SHA256

                                    2ef06e7d54bc2f7934532f7c34801df23a45b9de1eef0740829507651310e5cd

                                    SHA512

                                    a1af0ff6c658042f6673a15bf7227327a6bfa299d64c7c2be0893990214d491b8fd2ad56c77f08a2adf67d76e207d10d95410bd9ffb6119502e8d1dae3e9bbee

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    e6bd47b54b80bb0fc5185f121fcd1231

                                    SHA1

                                    f0b143bed9601f61d115b35f343f20dc49698a74

                                    SHA256

                                    b3a60d0eb7e1b03accadfb1592af36035bb4244240c912bbfd57cce503f2d458

                                    SHA512

                                    f5ab59d57d58fec8e22950953616cdf2d31a8f9123d8074d882535e4988bd587014338b4f2296baf6096203f8f2852840aa7837261adc6c7c551970eae83cc5b

                                  • memory/860-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/860-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1420-29-0x0000000072EFE000-0x0000000072EFF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1420-37-0x0000000006780000-0x00000000067BC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/1420-36-0x0000000006240000-0x0000000006252000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1420-35-0x0000000005610000-0x0000000005676000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/1420-34-0x0000000005570000-0x0000000005602000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/1420-33-0x00000000059F0000-0x0000000005F94000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/1420-32-0x0000000000AC0000-0x0000000000B1E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/2452-61-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3424-45-0x0000000006680000-0x000000000668A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4872-19-0x0000000003AF0000-0x0000000003AF1000-memory.dmp

                                    Filesize

                                    4KB