Analysis

  • max time kernel
    5s
  • max time network
    95s
  • 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 04:30

General

  • Target

    be9d4d7c8b1f19508620bb59c60a9ddfd0df170017f4f108b6c37afb3d7eeaf6N.exe

  • Size

    2.0MB

  • MD5

    e7b8b526efd41add1c85f5b2b149fa50

  • SHA1

    00783831567d8990f0a31ac171ee1e7fbf43d6ab

  • SHA256

    be9d4d7c8b1f19508620bb59c60a9ddfd0df170017f4f108b6c37afb3d7eeaf6

  • SHA512

    6bf79f116b77d4f9d6a0e68ba97aa192c17b6c7906a5b6f5384d6745bf34d66e649aca554ee78044f43ebb5096e58b7b92cbd0f0ce17f63427d836c7a9c92f0b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYW:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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

    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 1 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 5 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\be9d4d7c8b1f19508620bb59c60a9ddfd0df170017f4f108b6c37afb3d7eeaf6N.exe
    "C:\Users\Admin\AppData\Local\Temp\be9d4d7c8b1f19508620bb59c60a9ddfd0df170017f4f108b6c37afb3d7eeaf6N.exe"
    1⤵
    • 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:4696
    • 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:4496
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 548
          3⤵
          • Program crash
          PID:3520
      • 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:4820
        • 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:4368
        • 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:4508
          • 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:896
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\INxlsANdy55O.bat" "
            4⤵
              PID:1480
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4572
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2872
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3548
                    • 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:3740
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tV4H3sHhDHxX.bat" "
                      6⤵
                        PID:4544
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3224
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5016
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 1676
                          6⤵
                          • Program crash
                          PID:4236
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 1084
                      4⤵
                      • Program crash
                      PID:4240
                • C:\Users\Admin\AppData\Local\Temp\be9d4d7c8b1f19508620bb59c60a9ddfd0df170017f4f108b6c37afb3d7eeaf6N.exe
                  "C:\Users\Admin\AppData\Local\Temp\be9d4d7c8b1f19508620bb59c60a9ddfd0df170017f4f108b6c37afb3d7eeaf6N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3060
                • 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:3608
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4496 -ip 4496
                1⤵
                  PID:3172
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4508 -ip 4508
                  1⤵
                    PID:2932
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4324
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:968
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1872
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 520
                              3⤵
                              • Program crash
                              PID:3172
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3140
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2628
                              • 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:4968
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 968 -ip 968
                              1⤵
                                PID:3948
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3548 -ip 3548
                                1⤵
                                  PID:2388
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:2976
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:4684

                                    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\INxlsANdy55O.bat

                                      Filesize

                                      208B

                                      MD5

                                      3809cdd33e7e5b8fcfeeed65602f8ffb

                                      SHA1

                                      85ddf163994c347889de21b3f6cea153ebea8736

                                      SHA256

                                      c2df5156704cd17a0a121aa00ec615583097b68b039f5dd2137837ca9b58bd8e

                                      SHA512

                                      e9714c3b479b4b2766275b61a938a815b743168ed853e9f7069b417fe4894ece2971c9ed120fe0df75c47b255016df9196599f771a8cea9324b4802220fde6a2

                                    • C:\Users\Admin\AppData\Local\Temp\tV4H3sHhDHxX.bat

                                      Filesize

                                      208B

                                      MD5

                                      8046e9b4b60b9692878dd771bf615ded

                                      SHA1

                                      cd5e1beb04a06789b247964216755e92b472b89e

                                      SHA256

                                      a63f033c1ad320c2543ff94246e5d639fb5825b993c80f7bd8cfb509c7f035ff

                                      SHA512

                                      09880557949d38c69f930b47d65df8762241ecf75cb3d9f3decfee2a7f340b5fe2b143b9c7747d35a046654abffd9a9e8d9e55f96126e930b399a1d511485703

                                    • 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

                                      4ca644fe554b88f94fc438f8525b272d

                                      SHA1

                                      05c82988dadf77ac3f8ee9524df008046f9b1445

                                      SHA256

                                      16b9884e8847ac437e697910c7762f120b50b66152b839d0a0607b2a2131e9e0

                                      SHA512

                                      702f408627fc87cee6d96b93826e37510611374ba6fadbc94adbf50c92a2de250f7f0dfcdbdd337c0405a5fadef46cecb9a68b12a050faed26997e8f3f1a08e5

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      8e6118ff3a25ace4732a89b36bc60ed5

                                      SHA1

                                      f63994228bb292ca0904afe9567fa4a4e192f754

                                      SHA256

                                      fcd28468cb599afe6c8132b2711ca17aa3e3ececc400549a999200503e0e7051

                                      SHA512

                                      00ae9bf100368b77b76a6d96d9eee84af861220a8bd3d8b247091f3076d645bf74584c4fb8df7fcf39b34716d37607a8c805ff37c8a7a02ae68164e1b793bc8c

                                    • memory/2628-80-0x00000000008C0000-0x00000000008E0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2628-74-0x00000000008C0000-0x00000000008E0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3060-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3060-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4508-45-0x0000000006E50000-0x0000000006E5A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4696-19-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4820-29-0x000000007375E000-0x000000007375F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4820-37-0x0000000006C40000-0x0000000006C7C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4820-36-0x0000000006700000-0x0000000006712000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4820-35-0x0000000005B30000-0x0000000005B96000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4820-34-0x0000000005A20000-0x0000000005AB2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4820-33-0x0000000005F30000-0x00000000064D4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4820-30-0x0000000000F80000-0x0000000000FDE000-memory.dmp

                                      Filesize

                                      376KB