Analysis

  • max time kernel
    4s
  • 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
    12-01-2025 21:54

General

  • Target

    c8731f7e7ecbe6b034ff92c7918b91f05643aeee1de13eb1f76b86b98417ff66N.exe

  • Size

    2.0MB

  • MD5

    58cced9c44294105668d0edcc4d2db60

  • SHA1

    f58985e5637f6c39e7b25a865bdfd4054b526ae3

  • SHA256

    c8731f7e7ecbe6b034ff92c7918b91f05643aeee1de13eb1f76b86b98417ff66

  • SHA512

    9d0f2eed76ae094322ad6a325953f6624a3f6ce53dba544a1c9fa212d9d86786c5a4f8f03dcc56bc07170a323b6c3fb2898589871101e913ca2eb0d03bfae7a9

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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 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
  • 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\c8731f7e7ecbe6b034ff92c7918b91f05643aeee1de13eb1f76b86b98417ff66N.exe
    "C:\Users\Admin\AppData\Local\Temp\c8731f7e7ecbe6b034ff92c7918b91f05643aeee1de13eb1f76b86b98417ff66N.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:3152
    • 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:3380
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 548
          3⤵
          • Program crash
          PID:2520
      • 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:2016
        • 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:1856
        • 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:2600
          • 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:4616
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KJuRKUIK5YH3.bat" "
            4⤵
              PID:4472
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2844
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • 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"
                  5⤵
                    PID:4884
                    • 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:3788
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8bR5NTRha4dz.bat" "
                      6⤵
                        PID:2176
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:220
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2316
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4384
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 1972
                            6⤵
                            • Program crash
                            PID:2860
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 2260
                        4⤵
                        • Program crash
                        PID:4100
                  • C:\Users\Admin\AppData\Local\Temp\c8731f7e7ecbe6b034ff92c7918b91f05643aeee1de13eb1f76b86b98417ff66N.exe
                    "C:\Users\Admin\AppData\Local\Temp\c8731f7e7ecbe6b034ff92c7918b91f05643aeee1de13eb1f76b86b98417ff66N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3576
                  • 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:4744
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3380 -ip 3380
                  1⤵
                    PID:5064
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2600 -ip 2600
                    1⤵
                      PID:2704
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:184
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:952
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:116
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 520
                                3⤵
                                • Program crash
                                PID:3688
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2472
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1504
                                • 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:1724
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 952 -ip 952
                                1⤵
                                  PID:4340
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4884 -ip 4884
                                  1⤵
                                    PID:2996
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1492
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2068

                                      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\8bR5NTRha4dz.bat

                                        Filesize

                                        208B

                                        MD5

                                        b3bdba367b92ce5d87623f1601ce51c7

                                        SHA1

                                        ac5d7b0b688e060e0702cda046be945b30ee4dfe

                                        SHA256

                                        1e47112b9a5c0ade0dff96d37b458bb5b99f9c42504d469f5872632bbb7124f3

                                        SHA512

                                        e311c956e1410a7a2a8753f5286bc4210c5a54fd90b955a93b8ba2939e151a3aad7b3fa4eb43c80a81e5e0c03382a3866add6a96eef592c841b9d45018895b97

                                      • C:\Users\Admin\AppData\Local\Temp\KJuRKUIK5YH3.bat

                                        Filesize

                                        208B

                                        MD5

                                        55e7cfe907ce95189091e0103b6c2295

                                        SHA1

                                        6cc3804eae20ca559302b8f86d383936f2933ae1

                                        SHA256

                                        62ac180aec9939ef5437f25fe37a8293ab60a236c9cde9725414b05ab377aaed

                                        SHA512

                                        a686d8a95e9195c276308e2b9b41ae7984b26bb09ec4f69a5255e59f1fe1bfd5109e0dc49e63eca4db13842d77a0f2573e98bc2075403f7d4d87560f2a3963b4

                                      • 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\01-12-2025

                                        Filesize

                                        224B

                                        MD5

                                        00a27e9f5f1a8a9f375086e716f0ca8a

                                        SHA1

                                        e69fb767a668781504703e448bdf41d017eaa394

                                        SHA256

                                        d3aa514f2961c3d30a5f898494d4b6ab353ec0d4eb4525c2dad6695d5b342d6d

                                        SHA512

                                        44e23067ebd17df382172bcc40f4e9df97bb990389ffe79b46824b8453e78284b49dd5299894f41e112ed958a189b632360f75f1cf5f83ad43206ae0fae94544

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        69c6781467c64816b17c452109803084

                                        SHA1

                                        963636711d92d7d9a6095c321817a2350ec0c051

                                        SHA256

                                        6245db1beed0e421dfd3cd2ace97659dbc00ae4969523d8f559718937d3f1098

                                        SHA512

                                        660d0bad8396e430f545fe6c724c98820e187e9a0479cf3ccb094039cb81a10a296feed0cb1aaab58e1419edcbf2d3df4160627ea36cef3ea659f3f3a64dbb51

                                      • memory/2016-34-0x0000000005590000-0x00000000055F6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2016-33-0x0000000005650000-0x00000000056E2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2016-35-0x00000000062A0000-0x00000000062B2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2016-36-0x00000000067E0000-0x000000000681C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2016-32-0x0000000005AD0000-0x0000000006074000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2016-29-0x0000000000C70000-0x0000000000CCE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2600-44-0x0000000006390000-0x000000000639A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3152-19-0x0000000003D40000-0x0000000003D41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3576-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3576-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB