Analysis

  • max time kernel
    7s
  • 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
    03-12-2024 04:09

General

  • Target

    833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe

  • Size

    2.0MB

  • MD5

    a8c5adb07fbb2043f9083675afdc02c5

  • SHA1

    257b0f0402e3bb12d48197736ff72ead3758b8da

  • SHA256

    833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb

  • SHA512

    a5e729ebf98921f86fc24d38b0288c890492a24da2b7a25a7994380734bb2d0d85868f32167906a037de1de7f9ad5a546e22cba75b4b159ea422cd95264bc3d6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY/:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 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 11 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
    "C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.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:5088
    • 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:3896
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 552
          3⤵
          • Program crash
          PID:220
      • 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:4348
        • 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:2844
        • 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:3448
          • 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:4412
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pMXiLzecL3Ep.bat" "
            4⤵
              PID:3056
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2872
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2660
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4732
                    • 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:1616
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tJdJ2TdNnrzR.bat" "
                      6⤵
                        PID:2944
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2884
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3964
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4088
                              • 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:2252
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 2268
                            6⤵
                            • Program crash
                            PID:1256
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 2012
                        4⤵
                        • Program crash
                        PID:544
                  • C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
                    "C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1720
                  • 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:3684
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3896 -ip 3896
                  1⤵
                    PID:2448
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:2488
                    • 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:1584
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2680
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 520
                          3⤵
                          • Program crash
                          PID:3976
                      • 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
                        PID:4184
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:4500
                        • 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:1036
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1584 -ip 1584
                        1⤵
                          PID:3128
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3448 -ip 3448
                          1⤵
                            PID:4596
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4732 -ip 4732
                            1⤵
                              PID:4960
                            • C:\Windows\system32\dwm.exe
                              "dwm.exe"
                              1⤵
                                PID:544
                              • C:\Windows\system32\dwm.exe
                                "dwm.exe"
                                1⤵
                                  PID:1296
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:4068
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:1740

                                    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\pMXiLzecL3Ep.bat

                                      Filesize

                                      208B

                                      MD5

                                      ac9a53ea2367b2f7673a1734f42a7217

                                      SHA1

                                      ef82139a5d9b0ade873d5baf9e5920a1b4b7e6cf

                                      SHA256

                                      5aa33e9e0037000009088e57847df19e2d91f4587eff4853c5c7e04b8b9a782c

                                      SHA512

                                      49e5bc9fd2fcd6e8a5e79037d9e774c198847f74bc1b5004c678c597e1b2a65413127bb81155a9088b0f8ffc5ac61ac82ec1dab881c18a3bc85c559423902a5e

                                    • C:\Users\Admin\AppData\Local\Temp\tJdJ2TdNnrzR.bat

                                      Filesize

                                      208B

                                      MD5

                                      aee0160a341933333b4d038ffb16ca46

                                      SHA1

                                      9289e16386f65f9d9bf2ce68fcfa7d33fae3adf9

                                      SHA256

                                      2b8b229002a4c1b9a2c630f123cfbf58d2ab129cf257a7c2f6c386b69973d813

                                      SHA512

                                      b07eb429e588fc6bdca7d92c25fdb73d173c7b3fb7bef7231b4bdc27c9c9c065d24ae3dfe4097573cff57f0eb5ea8f70640c1ff98d5b840ac2e5612c3b5c1143

                                    • 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\12-03-2024

                                      Filesize

                                      224B

                                      MD5

                                      a71f4b4b199a3515fb623049d71bab96

                                      SHA1

                                      da53c3004a65c188dec2369b5c3de870e7aaf83e

                                      SHA256

                                      673aaef4282589ef9cd555569f605c1882d3d782cc526a98f6ddeaa35d993748

                                      SHA512

                                      d12b02b3ce740bd604ca3f52e6e57b2d781958a38ab7f95462044c6c4bc5f4a97a71961615d6afdb85866a7fd8598f40910c9852b11281954e5934438722e8ce

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-03-2024

                                      Filesize

                                      224B

                                      MD5

                                      011b2db7dc1fdc066ee42df3708fd6c4

                                      SHA1

                                      6679ee3ab29b67de9481d4e468b5c08c4c09149d

                                      SHA256

                                      7c3572ec85fa2ecde9888ed591610ccd10227c007579104a2427a2e94f2f267a

                                      SHA512

                                      bcc7a623b4db61f39939fb699337c4bca0b6afee9b4c6a7b5a58bd2d2af9d7fcdab1f42db0d5c5622c1b1fc659b2837b71b09f03b4f4073080d41495128239a4

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      6d57a55e64524225a6b40aa096d28136

                                      SHA1

                                      35c7748f95dd7f1fddf610ff6922e85ca0d17c68

                                      SHA256

                                      2dbaf2216e6f0cffceef7bbe7f45988dcbb303f3c703c2c14bb87aa4aa336da8

                                      SHA512

                                      2220b6ee3c5fcceef9b69755f66fbb7afac8935f66a412c7e7d80d848df9f7e9b766c1bdc730dad020f4df4d22971e9fbac3a25bf31e1f34e574063886136e1e

                                    • memory/1720-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1720-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3448-46-0x0000000006A70000-0x0000000006A7A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4348-36-0x00000000064A0000-0x00000000064DC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4348-35-0x0000000005F60000-0x0000000005F72000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4348-34-0x0000000005370000-0x00000000053D6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4348-33-0x00000000052D0000-0x0000000005362000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4348-32-0x00000000057B0000-0x0000000005D54000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4348-31-0x0000000000920000-0x000000000097E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4500-66-0x0000000000180000-0x00000000001A0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4500-72-0x0000000000180000-0x00000000001A0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/5088-19-0x0000000002100000-0x0000000002101000-memory.dmp

                                      Filesize

                                      4KB