Analysis

  • max time kernel
    5s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 23:37

General

  • Target

    085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.exe

  • Size

    2.0MB

  • MD5

    b57b3dc23c3b1a8a5db69708c92e29c0

  • SHA1

    39b4c269e7f722145de19a75f77aaad410091de5

  • SHA256

    085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155e

  • SHA512

    336fa8c83134b78725e6623375b8684623a3b213c7b4005ede71b8998c99db78019954f6771cab88de9eba4d86a46a8391a88d28a29372810cbb4ccdee90799f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

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 4 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 2 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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\085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.exe
    "C:\Users\Admin\AppData\Local\Temp\085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.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:1120
    • 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:2732
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 548
          3⤵
          • Program crash
          PID:2400
      • 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:4496
        • 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:3212
        • 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:1040
          • 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:3568
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\T3D1tiQXVg18.bat" "
            4⤵
              PID:2620
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1376
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4192
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4368
                    • 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:2448
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HLkfxiZu0BO4.bat" "
                      6⤵
                        PID:4688
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3564
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 1976
                          6⤵
                          • Program crash
                          PID:1432
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 1740
                      4⤵
                      • Program crash
                      PID:3664
                • C:\Users\Admin\AppData\Local\Temp\085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.exe
                  "C:\Users\Admin\AppData\Local\Temp\085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2752
                • 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:4884
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2732 -ip 2732
                1⤵
                  PID:2652
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1040 -ip 1040
                  1⤵
                    PID:968
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4316
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4180
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3772
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 520
                              3⤵
                              • Program crash
                              PID:4692
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4620
                            • 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:1208
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4180 -ip 4180
                              1⤵
                                PID:4168
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4368 -ip 4368
                                1⤵
                                  PID:4984
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3244
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4120

                                    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\HLkfxiZu0BO4.bat

                                      Filesize

                                      208B

                                      MD5

                                      3596f2dff81b859102393911f86926ee

                                      SHA1

                                      a7c7f88e624f4d123f98af5371ac1bd5b04b8859

                                      SHA256

                                      d1a17a4a4376431fba8d1df6524638bfc968a5d397da0b81ba0aafcc83f90eec

                                      SHA512

                                      5481e236237b78c2650e46cc687d5b81e5544e4651174b9bbaa007c458d190b40dba93b40684247ad31806a2a0d6921740029453198e31ff095d055912225f2d

                                    • C:\Users\Admin\AppData\Local\Temp\T3D1tiQXVg18.bat

                                      Filesize

                                      208B

                                      MD5

                                      f7ecdd1ce3279f5c8de1bc5a7a735197

                                      SHA1

                                      981ef3b384d75a5c42b92077a29e3da72a66e40e

                                      SHA256

                                      89474eca1a150bdfee640962745a7c97feea698a485c1bafed16479570c077d0

                                      SHA512

                                      6ec31bfdb47598b19ae3398e31a741b25d2d2176a9c20eccbf6bc37e3aa26de4c0cde39597e85a4dfc64252dbe70cf8cd0271a462c8155426edf0d0b2e5629ed

                                    • 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\01-10-2025

                                      Filesize

                                      224B

                                      MD5

                                      e26bebe5475873fc7310ea9438ec523e

                                      SHA1

                                      7c524b45054b9c97734552706fce40246fa7caf1

                                      SHA256

                                      49b39cd2b25931dca76ac0c1fbed0c9fcd2afb240eca3f0af31a391be268515a

                                      SHA512

                                      90f33e635b33d6377a52bf793e64e2f25e1af0de30cb0eda019ae92528912c9464aa220152e6c7c405bc5ec6de39aebc42b055d8445b47453011eb9bb86f84bc

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      87d7ab0ad59666e896168ed785463a74

                                      SHA1

                                      1e4bbc9596db270e69187da280550cf708a55dc8

                                      SHA256

                                      7924df479ad18a6bf00b6be9eb317be2abb46831dc17d1e10de33675c2c1da79

                                      SHA512

                                      57a4b0dadbeb4639a1e0bd72f4e73c89366cd2c37942d94ecab55d3968da87e3b255080058ee487651635efcb9a893bddef743858b7d736f61753528d7fb387f

                                    • memory/1040-45-0x00000000061A0000-0x00000000061AA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/1120-19-0x0000000003E00000-0x0000000003E01000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1120-85-0x0000000000040000-0x000000000024A000-memory.dmp

                                      Filesize

                                      2.0MB

                                    • memory/2628-74-0x0000000000DD0000-0x0000000000DF0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2628-80-0x0000000000DD0000-0x0000000000DF0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2752-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2752-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4496-29-0x000000007324E000-0x000000007324F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4496-37-0x0000000005CD0000-0x0000000005D0C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4496-36-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4496-35-0x0000000004AD0000-0x0000000004B36000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4496-34-0x0000000004B70000-0x0000000004C02000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4496-33-0x0000000005080000-0x0000000005624000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4496-30-0x0000000000010000-0x000000000006E000-memory.dmp

                                      Filesize

                                      376KB