Analysis

  • max time kernel
    4s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 17:28

General

  • Target

    9a43983911a204a4dd728cf5017b1de62e490fe8e4c4da2cfc7a52a5c621eb63N.exe

  • Size

    2.0MB

  • MD5

    8e70f05bce19a5790051642c6bd68c70

  • SHA1

    9e228a7b0ee5f1b53f54eb2f91d0e8acea75142a

  • SHA256

    9a43983911a204a4dd728cf5017b1de62e490fe8e4c4da2cfc7a52a5c621eb63

  • SHA512

    8d98cdc75dc0be77a6736d24e685fc30a67cf5c24654b1fc6d573e5be09bab4ec3ccf203e89669a937fab81b4ddecb572c16e45b2730bfb27da35b3cd694ccb1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYl:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

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\9a43983911a204a4dd728cf5017b1de62e490fe8e4c4da2cfc7a52a5c621eb63N.exe
    "C:\Users\Admin\AppData\Local\Temp\9a43983911a204a4dd728cf5017b1de62e490fe8e4c4da2cfc7a52a5c621eb63N.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:4672
    • 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:4232
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 548
          3⤵
          • Program crash
          PID:2308
      • 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:2588
        • 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:3964
        • 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:1968
          • 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:4084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Uf28eZZoWcYI.bat" "
            4⤵
              PID:2624
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4684
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2556
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1064
                    • 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:2904
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eCpmmCfkb5ZI.bat" "
                      6⤵
                        PID:5016
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3572
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3580
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4628
                              • 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:1464
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 2220
                            6⤵
                            • Program crash
                            PID:3760
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 1176
                        4⤵
                        • Program crash
                        PID:620
                  • C:\Users\Admin\AppData\Local\Temp\9a43983911a204a4dd728cf5017b1de62e490fe8e4c4da2cfc7a52a5c621eb63N.exe
                    "C:\Users\Admin\AppData\Local\Temp\9a43983911a204a4dd728cf5017b1de62e490fe8e4c4da2cfc7a52a5c621eb63N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3764
                  • 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:224
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4232 -ip 4232
                  1⤵
                    PID:2412
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1968 -ip 1968
                    1⤵
                      PID:1180
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4184
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:224
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2496
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 520
                                3⤵
                                • Program crash
                                PID:2052
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2860
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:5072
                                • 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:3224
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 224 -ip 224
                                1⤵
                                  PID:4232
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1064 -ip 1064
                                  1⤵
                                    PID:4180

                                  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\Uf28eZZoWcYI.bat

                                    Filesize

                                    208B

                                    MD5

                                    e4e13b601f9f9067f29c3f6baf2ec242

                                    SHA1

                                    4cbe5d4b9c5a8566b74c9a783ee7f1ae3e6beb65

                                    SHA256

                                    4d676c0ed8477a05102c6d6813623cf959b20ee8fd88e3d0f9198408975b5c9f

                                    SHA512

                                    fefc4b0ac2f936310b28661e669b761602f2098f2f986342a1ddb5c3fc425cd55d4d899aa64b38f4b21b0b629246926055d593a20a7501bce4da73c9ed524507

                                  • C:\Users\Admin\AppData\Local\Temp\eCpmmCfkb5ZI.bat

                                    Filesize

                                    208B

                                    MD5

                                    94b05d03e7a851afd81d45790803daa2

                                    SHA1

                                    6c23c08d3f67ef41b28e3b1049e64f677307dfaf

                                    SHA256

                                    706917726d686d44be16f538f3b201b89484bd168511cb6614909cf6616647d0

                                    SHA512

                                    15466ee2c8e3ec015903fe3f273793b9f2641d0042fc4eee246d4bbe2b4a4a2f2d808c9abf0e9162b60711ab8e1ae6c8f37bd9e108a8b51f63d2bffa963282b2

                                  • 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\09-22-2024

                                    Filesize

                                    224B

                                    MD5

                                    3703e820dbefa864eaf2d82d27b77612

                                    SHA1

                                    c4c6b00980128ee81ca7121bfc956cadf4121f37

                                    SHA256

                                    cdce5287d51f4be0d617f497a2773f8f89d5b7c8eebe0907473e24d9af8d11c8

                                    SHA512

                                    410ae892dc5773a67634cff8831ed45fdb9c3b9bbd79be1d8b825de1fa39b3b13a6343758b25dd06a9cc6e689f5b515361e0babf405ac9a02fc9dd3e36108f13

                                  • C:\Users\Admin\AppData\Roaming\Logs\09-22-2024

                                    Filesize

                                    224B

                                    MD5

                                    42dc1f292a2fe976c2262cbb00317709

                                    SHA1

                                    862aa4b97f9c3209722044482b483d7cf7c67e92

                                    SHA256

                                    6a92f72c2a6dac96b7da9009583b0c76b9e31e6a671a97a4643aa241fdf30809

                                    SHA512

                                    265bea076b180c7ee0929e5d54cf12cdfcc137dacfa8052a84e475cba6c9968c3cc37eddf6bab8bcf821cb108f9adbe21be28843ed068a27c4cd17ac36cf7d06

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    d337bab1c888541ee3555b346d15a21b

                                    SHA1

                                    c723b119630f5b71b41377b095d706fc5909895f

                                    SHA256

                                    15f4ed20c29b6bf0f222af742868414150f4c8dceaba8a909ad0b0e92810008c

                                    SHA512

                                    e46d4ed3449289a3002ea658a1a57fd9c2ad55b022df46a19e03f7cb477d5236f5405e76921cbfdbd346dd79f9b03d12443d4389e7a6fda3fc71377b85ea41a5

                                  • memory/1968-45-0x0000000006360000-0x000000000636A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/2588-29-0x00000000733BE000-0x00000000733BF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2588-36-0x0000000005CF0000-0x0000000005D02000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2588-37-0x0000000006230000-0x000000000626C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/2588-35-0x0000000004FA0000-0x0000000005006000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/2588-34-0x0000000004F00000-0x0000000004F92000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/2588-33-0x00000000053D0000-0x0000000005974000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/2588-30-0x00000000005D0000-0x000000000062E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/3764-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3764-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4672-19-0x0000000003930000-0x0000000003931000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5072-74-0x00000000014C0000-0x00000000014E0000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/5072-80-0x00000000014C0000-0x00000000014E0000-memory.dmp

                                    Filesize

                                    128KB