Analysis

  • max time kernel
    5s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 09:21

General

  • Target

    741d447493913a76e70ad25c4bd47e848f32c9151256409b9fc4a53813a9c25eN.exe

  • Size

    2.0MB

  • MD5

    a6ebebea6f71733cadfab32e36b02bd0

  • SHA1

    7e6b9a3219d91d6415be69b6f5202aff378edc42

  • SHA256

    741d447493913a76e70ad25c4bd47e848f32c9151256409b9fc4a53813a9c25e

  • SHA512

    90f8f5f77860195ead04a46486d71359f309b2ec4ea6f12a2f02c9b9d0c1004a15702df1262ad9a52f402670a2da1b19d0bc369b3da15ff08b8e245c4beb9823

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

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 6 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\741d447493913a76e70ad25c4bd47e848f32c9151256409b9fc4a53813a9c25eN.exe
    "C:\Users\Admin\AppData\Local\Temp\741d447493913a76e70ad25c4bd47e848f32c9151256409b9fc4a53813a9c25eN.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:2392
    • 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:5088
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 548
          3⤵
          • Program crash
          PID:852
      • 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:4100
        • 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:2316
        • 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:724
          • 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:4848
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CcuHtqV2uRiY.bat" "
            4⤵
              PID:516
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:824
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3180
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4964
                    • 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:1128
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\14LcYMaD1xTE.bat" "
                      6⤵
                        PID:2312
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3444
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1916
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4800
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4776
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 1952
                            6⤵
                            • Program crash
                            PID:3372
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 724 -s 2180
                        4⤵
                        • Program crash
                        PID:396
                  • C:\Users\Admin\AppData\Local\Temp\741d447493913a76e70ad25c4bd47e848f32c9151256409b9fc4a53813a9c25eN.exe
                    "C:\Users\Admin\AppData\Local\Temp\741d447493913a76e70ad25c4bd47e848f32c9151256409b9fc4a53813a9c25eN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2864
                  • 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:3896
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5088 -ip 5088
                  1⤵
                    PID:5092
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 724 -ip 724
                    1⤵
                      PID:3920
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3096
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3252
                            • 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 3252 -s 520
                                3⤵
                                • Program crash
                                PID:2032
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3452
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4612
                                • 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:1060
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3252 -ip 3252
                                1⤵
                                  PID:4192
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4964 -ip 4964
                                  1⤵
                                    PID:856
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1624
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1792

                                      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\14LcYMaD1xTE.bat

                                        Filesize

                                        208B

                                        MD5

                                        0ad068105b296e4f2239934e75302744

                                        SHA1

                                        6c616a210e864635ea544e2606710e0ae857621a

                                        SHA256

                                        d56f664077d291cb00734751e50169933c32072a4116c3a39bc92cadb5b96ea1

                                        SHA512

                                        704ab4c468afdf3ae633d6e52724236cb010bd7d32e793605392bb69586dfe2d6983fcb5b97a30ceed6a6ed5ea4b874f5bcced2e57c31a14ff794654a51a998b

                                      • C:\Users\Admin\AppData\Local\Temp\CcuHtqV2uRiY.bat

                                        Filesize

                                        208B

                                        MD5

                                        46bf19c0341d69b46e651567bc4f9d45

                                        SHA1

                                        e98bf081fb93bc9d39d43518ed154e17e921efc6

                                        SHA256

                                        4ab702cd4fb99a6678f2e59f1469d51dc45f41faa7133e75e94f4fcbdf334ee7

                                        SHA512

                                        3a587ef1565ce3208fc9e3e6329b7e6373ae72814203758a3897dc2f0f1defc6edbd94f84061eba4ad9b0e11a3c7c6504fd90261806c123f40c2b2b4b25dccf1

                                      • 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\01-08-2025

                                        Filesize

                                        224B

                                        MD5

                                        599b1b13a2acbf78bb10092cfccb3980

                                        SHA1

                                        4114c8017cfc8b8b610252a606bf381d4029f032

                                        SHA256

                                        c8e46cad41d7f59864998a70df62f05671a331b68e9147467e941dffa4d32464

                                        SHA512

                                        3f32b31b0c3dca582e4f17a132221bd8ef4188cbce51cbb3486b72c250505c754ea97cbbd15fb21d2968cf033ecc559eb68658c608ffa2f959775cdf6dfb50f5

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-08-2025

                                        Filesize

                                        224B

                                        MD5

                                        bad51d4fa42fd62d9ceb7b43a1b3e092

                                        SHA1

                                        986295996afac4f7a2681951d3e0e1184db90270

                                        SHA256

                                        e7245ebd3b84657b8c382615d2da2033b9104712a1eb3a643a303fa647808f2b

                                        SHA512

                                        662463f3cb363fcbfff42838e29325e9e2481c1833216ed7c67ca9b4850bce5db212029c89441c455e3d370c7e5d2233053a59cc1099a56d74758b96aec0ae84

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        6dfd7f76dc2585524e8479a6b4f7ff43

                                        SHA1

                                        049529ab184f02083a9ca085465b5b0e479a48c5

                                        SHA256

                                        311d2403b61a99771664f7d0de65764bfeb1360f63051d80c292ee7ff69a7208

                                        SHA512

                                        da0d6f13e64fe1bcb4df5f5561a279207f4b46cbcaf3a86db2073353aa0c09da70b678756371bc77b511ddbc7d3d6c7c23b1f32aa4cad0d196f1811c272d23b4

                                      • memory/724-44-0x00000000065B0000-0x00000000065BA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2392-19-0x0000000004190000-0x0000000004191000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2392-45-0x0000000004190000-0x0000000004191000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2864-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2864-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4100-36-0x0000000006600000-0x000000000663C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4100-35-0x00000000060C0000-0x00000000060D2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4100-34-0x0000000005480000-0x00000000054E6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4100-33-0x00000000053E0000-0x0000000005472000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4100-32-0x00000000058F0000-0x0000000005E94000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4100-31-0x0000000000A90000-0x0000000000AEE000-memory.dmp

                                        Filesize

                                        376KB