Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 12:34

General

  • Target

    b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe

  • Size

    2.0MB

  • MD5

    8c05d550eeab6126687f902c98887910

  • SHA1

    f295db204520e221a276c891a4274fcb436ea5b4

  • SHA256

    b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02

  • SHA512

    473cebcbf954ded04e01900f24ae9f587e342d8fa5c7877e9e0759eb49d908777ac296ed12bce1d0504fff33a30195dc193caac05d952c1bf72eeea4385d8d6a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYK:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

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\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe
    "C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.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:4100
    • 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:4416
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 544
          3⤵
          • Program crash
          PID:3164
      • 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:3096
        • 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:1528
        • 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:2140
          • 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:512
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\42WOv8Jd6JLD.bat" "
            4⤵
              PID:1868
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3248
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2120
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3976
                    • 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:2100
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\N66KPSLHuMew.bat" "
                      6⤵
                        PID:4312
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3280
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2708
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:804
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 1740
                            6⤵
                            • Program crash
                            PID:2840
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 1988
                        4⤵
                        • Program crash
                        PID:4312
                  • C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe
                    "C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4104
                  • 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:4628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4416 -ip 4416
                  1⤵
                    PID:3720
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2140 -ip 2140
                    1⤵
                      PID:1688
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3984
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3140
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3060
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 520
                                3⤵
                                • Program crash
                                PID:3196
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:824
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:428
                                • 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:4584
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3140 -ip 3140
                                1⤵
                                  PID:4964
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3976 -ip 3976
                                  1⤵
                                    PID:4240
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1860
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4256

                                      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\42WOv8Jd6JLD.bat

                                        Filesize

                                        208B

                                        MD5

                                        4d32caf74655ca70c342a181c27ab46f

                                        SHA1

                                        a29a29fcb3417f67979ab59582f65c5062c36dcd

                                        SHA256

                                        74f3f1ba76d8d027176ce3ce6df8c35fe6b8391aa09730cc597583b42f529ecc

                                        SHA512

                                        7fc878963f356897b9c6138dcc64a1277ffd2dba536b10918d62492888ba42ad7178bdf9ab0a43f4ff7065755fed4a7c63fbc7839cc8acf577312acbbdc8fb1a

                                      • C:\Users\Admin\AppData\Local\Temp\N66KPSLHuMew.bat

                                        Filesize

                                        208B

                                        MD5

                                        381b389408b11d115d74a4c5e0b1341e

                                        SHA1

                                        776259327e4943722dc72052f46d782ceb6722ed

                                        SHA256

                                        a760912608cf7f6d584c28b145d6104da54ab44aa9e7da015c26cbfc8e2ae91c

                                        SHA512

                                        4b4323b42af67195a5d3d7e09a9d65a2097a15224bd434e56acd581d44b5e7813562e2d1badcdfcc449ea7aeabb09eec55af971eb0fa90768f1105022b2743cb

                                      • 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\10-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        a96feb8fc8d304948449336c948406fc

                                        SHA1

                                        00b82d21091777d9cc6630ce8753a52157e9f1ba

                                        SHA256

                                        05593cde8199bafd1e87a4f684b637d93d793f9152d63b1a69390ace43719b39

                                        SHA512

                                        e550fa6eee742de869c279d0f5fe009400a047916d7d6a8051d510575c5ffe6541376b8b3e808852264db6253b9ec0ab8bf27d2751b4d3c0cf5c586fca227c8b

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        78a22d4115566c026deb05a1657527d3

                                        SHA1

                                        eb1ca7f0f5f1476264d5c39d97070bd6cba7241b

                                        SHA256

                                        ed39e9101ff29ef0b732a5caa188630b2a04f93246eb124375956129a216ecc3

                                        SHA512

                                        11d40e3ef57201aac25ac480993065b4aac9a98774b266d8cf43fa290050902f3bf8a9ddb854542eab6844def7d7cb18ea050e6560244578d86d1d7e69b3afa2

                                      • memory/428-79-0x0000000000C40000-0x0000000000C60000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/428-73-0x0000000000C40000-0x0000000000C60000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2140-44-0x0000000006630000-0x000000000663A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3096-29-0x0000000000780000-0x00000000007DE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3096-36-0x00000000062F0000-0x000000000632C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3096-35-0x0000000005DB0000-0x0000000005DC2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3096-34-0x0000000005160000-0x00000000051C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3096-33-0x00000000050C0000-0x0000000005152000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3096-32-0x0000000005580000-0x0000000005B24000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3984-85-0x0000000075550000-0x00000000755FF000-memory.dmp

                                        Filesize

                                        700KB

                                      • memory/4100-25-0x00000000020A0000-0x00000000020A1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4104-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4104-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB