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Analysis

  • max time kernel
    4s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:17

General

  • Target

    d1f112692188b7a7cd36cafc7751da401af6d5e6ff73a89ea988c553d00bd93e.exe

  • Size

    2.0MB

  • MD5

    3122ecf57731e501138565db5741fe49

  • SHA1

    5a41892c9e73afde78510c0426da994d21515e9e

  • SHA256

    d1f112692188b7a7cd36cafc7751da401af6d5e6ff73a89ea988c553d00bd93e

  • SHA512

    d49434de0cbb63f44bba3e6e57bf7471bc2ce71b6efa81c1bacbf3bcf8e6c4138526c06760cb461b46ccb0b44f2d9e2422bd37352c1f60a952dfbaa6a8be8513

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

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 3 IoCs

    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 2 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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1f112692188b7a7cd36cafc7751da401af6d5e6ff73a89ea988c553d00bd93e.exe
    "C:\Users\Admin\AppData\Local\Temp\d1f112692188b7a7cd36cafc7751da401af6d5e6ff73a89ea988c553d00bd93e.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:4432
    • 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:3788
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 548
          3⤵
          • Program crash
          PID:3920
      • 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
        PID:4892
        • 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:4824
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:3672
            • 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:4032
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3eff9PMhynlP.bat" "
              4⤵
                PID:3044
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:3016
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:2868
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:4140
                      • 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:5000
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 2276
                    4⤵
                    • Program crash
                    PID:2540
              • C:\Users\Admin\AppData\Local\Temp\d1f112692188b7a7cd36cafc7751da401af6d5e6ff73a89ea988c553d00bd93e.exe
                "C:\Users\Admin\AppData\Local\Temp\d1f112692188b7a7cd36cafc7751da401af6d5e6ff73a89ea988c553d00bd93e.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:3384
              • 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:5104
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3788 -ip 3788
              1⤵
                PID:4848
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3672 -ip 3672
                1⤵
                  PID:4584
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:4256
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4924
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:5072
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 520
                            3⤵
                            • Program crash
                            PID:5076
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3120
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:3404
                            • 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:1908
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4924 -ip 4924
                            1⤵
                              PID:3596

                            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\3eff9PMhynlP.bat

                              Filesize

                              208B

                              MD5

                              e59f30cd2fe0a601a1acc65f16331aac

                              SHA1

                              8ee17106c6e47f8d80a10b38c7d7ff35c4741162

                              SHA256

                              477ac521a14066617ae6d2a9a24271ad23254dd367ea8a29f56a48194f24b7f5

                              SHA512

                              3b3c571cff0d9484145dca23d8bdd58bef733e2cf8fb96039bee78946ca21bfed99124f15e6e3665a04b302963cd84787d119cf80f2854dbf6b8648b4f99b339

                            • 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\03-06-2025

                              Filesize

                              224B

                              MD5

                              d5efa403e84d4e0916683018d7580eed

                              SHA1

                              7a8921bada192270a5123b1e6d94096fc0047570

                              SHA256

                              d209bee208ba62709f45f52383bfe8d5a217507f7c8d7a6cdc9ba0ea298d0b62

                              SHA512

                              5af8671a4065d9d10a824ccfb1969b3e1f752ee5e90d0f4e7c9aaeb91e2545534813950b8a24c2034321abddd43386a42dd399a1c160982c0a650cee5c6d994c

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

                              Filesize

                              2.0MB

                              MD5

                              aa76f1ed6ed6507dd9864b8e9427032c

                              SHA1

                              5faf9b92e0d7cf8a2a11b546e42653e4350dae94

                              SHA256

                              98e0c114888432c4489772b14b408dbbdc8cc1469deda1de7ce5d42217db6eb4

                              SHA512

                              2a5a7574d778a7060797fa17bdb73f3475f9874e3a24deb2976890a2cc94ff1b44096de8098d13875527d1e83c1b5240c7090c9d723f1382317da818af4c071c

                            • memory/3384-21-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3384-29-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3672-46-0x0000000006220000-0x000000000622A000-memory.dmp

                              Filesize

                              40KB

                            • memory/4256-83-0x00000000760E0000-0x000000007618F000-memory.dmp

                              Filesize

                              700KB

                            • memory/4432-20-0x0000000003A90000-0x0000000003A91000-memory.dmp

                              Filesize

                              4KB

                            • memory/4892-34-0x00000000054D0000-0x0000000005562000-memory.dmp

                              Filesize

                              584KB

                            • memory/4892-38-0x0000000006670000-0x00000000066AC000-memory.dmp

                              Filesize

                              240KB

                            • memory/4892-37-0x0000000072F0E000-0x0000000072F0F000-memory.dmp

                              Filesize

                              4KB

                            • memory/4892-36-0x0000000005980000-0x0000000005992000-memory.dmp

                              Filesize

                              72KB

                            • memory/4892-35-0x0000000005570000-0x00000000055D6000-memory.dmp

                              Filesize

                              408KB

                            • memory/4892-33-0x00000000059E0000-0x0000000005F84000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/4892-30-0x00000000009D0000-0x0000000000A2E000-memory.dmp

                              Filesize

                              376KB

                            • memory/4892-19-0x0000000072F0E000-0x0000000072F0F000-memory.dmp

                              Filesize

                              4KB