Analysis

  • max time kernel
    4s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2024 01:33

General

  • Target

    46b8cc8d9e0aa996d62f5a9add956520N.exe

  • Size

    2.0MB

  • MD5

    46b8cc8d9e0aa996d62f5a9add956520

  • SHA1

    26955a9d83405ab4d5c0425bb21dbe0363213c57

  • SHA256

    4605adf4c7076a282c59aa46d2474008a5087b83dcc146155c2168d3127a306b

  • SHA512

    2ebdac6442c7a9814a6a771a6bad5b55f03d4bc490cc8f2f2af83993ec9f0c5ce1f595895f39b05cba916033dce8326d5a44d73264668609e0e4a314b9bca0d0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

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
  • 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\46b8cc8d9e0aa996d62f5a9add956520N.exe
    "C:\Users\Admin\AppData\Local\Temp\46b8cc8d9e0aa996d62f5a9add956520N.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5384
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 556
          3⤵
          • Program crash
          PID:1776
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2120
        • 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:4028
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:724
          • 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:2264
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\onZENlrGMpWk.bat" "
            4⤵
              PID:2644
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:5188
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:3744
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:768
                    • 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:2112
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ERqFIE13nW4r.bat" "
                      6⤵
                        PID:932
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:5848
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:5916
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4448
                              • 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:2460
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 2256
                            6⤵
                            • Program crash
                            PID:1548
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 724 -s 1980
                        4⤵
                        • Program crash
                        PID:5200
                  • C:\Users\Admin\AppData\Local\Temp\46b8cc8d9e0aa996d62f5a9add956520N.exe
                    "C:\Users\Admin\AppData\Local\Temp\46b8cc8d9e0aa996d62f5a9add956520N.exe"
                    2⤵
                      PID:4488
                    • 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⤵
                      • Quasar RAT
                      • Scheduled Task/Job: Scheduled Task
                      PID:2504
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3184 -ip 3184
                    1⤵
                      PID:4816
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:5764
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2688
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3648
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 520
                                3⤵
                                • Program crash
                                PID:5692
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3700
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1348
                                • 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:1140
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2688 -ip 2688
                                1⤵
                                  PID:5880
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 724 -ip 724
                                  1⤵
                                    PID:1812
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 768 -ip 768
                                    1⤵
                                      PID:1068
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3408

                                      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\ERqFIE13nW4r.bat

                                        Filesize

                                        208B

                                        MD5

                                        87918a844dc67b0fa7bfdcce5ea7ce65

                                        SHA1

                                        d4246b34362488ac98ff9999e7e55df448ad11c5

                                        SHA256

                                        377087f804192ed351bf109534dbc048d7f8b4ef1057185fee24d27151ac2df4

                                        SHA512

                                        229101003236d5b9f072bf455ed911086a967e704948c3b655b930ff58b1f71366ba19b79e86f6c0296441122a4c509fc84a1f51434ccbe875480b72cdaa3cdb

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

                                        Filesize

                                        208B

                                        MD5

                                        d1f37f26262cd2fb575ccfd4bc3c42b9

                                        SHA1

                                        eba92755c1ca049ee05ed23e6916cc1ae4ab939a

                                        SHA256

                                        b7101d6a095691059f9fe6fda6c8af571b016ca5a573317949468299ea22721e

                                        SHA512

                                        ed6207bd332b5f94712937c40f3edd35b507989df9965f023dc458152237a338a1b6103285891f145898ac34447b8869c12a62bc1e4c6f381bb1650b790a736d

                                      • 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\07-16-2024

                                        Filesize

                                        224B

                                        MD5

                                        5e09829f4147148625201d21491ad288

                                        SHA1

                                        dbe189f6f38c5fcff2cde187957d929d695e2b81

                                        SHA256

                                        0272eb8d35790441b21974c74599ccc9d31342ad78ef8e42498cf1e946d4cbd9

                                        SHA512

                                        98ff2ac0f84ff40092a8813f98ec82c9794d9fdde1dac6ad592640be1f7a901305c7272ff383b0795b2b3579b2d7c5a2a666310800084fa8e6048dda5d760284

                                      • C:\Users\Admin\AppData\Roaming\Logs\07-16-2024

                                        Filesize

                                        224B

                                        MD5

                                        fb44907b8d04dd4667d80d5b1541ddc9

                                        SHA1

                                        94c36a0ec7b1ddecca48fde86f2a4a92cae6a1a1

                                        SHA256

                                        4f568f68fa8267ee21a6e832880054cfcdaf70f3a84520fd6c3eaa179d2335fb

                                        SHA512

                                        218855f5c1d516962c7e79dd4b6fa2ed42da8702ebb13595a2d781f032a55ceefa9f550f284de9ff2f2a4337e9bde54b6b606e16a3e908d65c25d12443e2c02e

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        cb2d821e8d523d364496a5099e5277fb

                                        SHA1

                                        c4e77beb7e87c57bca4462466984e50aafcd7d76

                                        SHA256

                                        551610cc6aeeac0ae49080dd771ddc8d6c1040d8a1176ad8ff7ce93f249edfa7

                                        SHA512

                                        54ea57e2523990e666c4ca873063cb46bc715ff2cbda07cbfdb18f6cd92442a6368ab07ed39d8ab33e05e7b5d77be35fcbe57678a8eaca30e779d9daa9d6b95d

                                      • memory/724-45-0x0000000006D30000-0x0000000006D3A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/1348-74-0x00000000007D0000-0x00000000007F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1348-68-0x00000000007D0000-0x00000000007F0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2120-29-0x000000007349E000-0x000000007349F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2120-37-0x0000000006A00000-0x0000000006A3C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2120-36-0x0000000005D10000-0x0000000005D22000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2120-35-0x0000000005920000-0x0000000005986000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2120-34-0x0000000005880000-0x0000000005912000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2120-33-0x0000000005D50000-0x00000000062F4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2120-30-0x0000000000E90000-0x0000000000EEE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4488-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4488-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/5384-46-0x0000000003FF0000-0x0000000003FF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/5384-28-0x0000000003FF0000-0x0000000003FF1000-memory.dmp

                                        Filesize

                                        4KB