Analysis

  • max time kernel
    5s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 14:04

General

  • Target

    ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.exe

  • Size

    2.0MB

  • MD5

    8da50af63643588c01e6d83a0ee08e12

  • SHA1

    c0526494259320f97ab61c9d1b3cbe2e110d681e

  • SHA256

    ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d

  • SHA512

    2b908ea1118fcd101627b21d668aa65a2a40d3a9392033c6797e13e768417031f587110affc748aced94f22432197b602b817770d4392effaea7a353ae828675

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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\ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.exe
    "C:\Users\Admin\AppData\Local\Temp\ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.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:4016
    • 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:5028
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 552
          3⤵
          • Program crash
          PID:4052
      • 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:3928
        • 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:4712
        • 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:3416
          • 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:2480
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6nqTLqZ7vHXP.bat" "
            4⤵
              PID:4200
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3208
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3560
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1964
                    • 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:64
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IUXp6zbrdjw9.bat" "
                      6⤵
                        PID:3076
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3308
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1500
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3924
                              • 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:3940
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 2280
                            6⤵
                            • Program crash
                            PID:3824
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 2272
                        4⤵
                        • Program crash
                        PID:2196
                  • C:\Users\Admin\AppData\Local\Temp\ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.exe
                    "C:\Users\Admin\AppData\Local\Temp\ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1772
                  • 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:4824
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5028 -ip 5028
                  1⤵
                    PID:4496
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3416 -ip 3416
                    1⤵
                      PID:1648
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4300
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3056
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3200
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 520
                                3⤵
                                • Program crash
                                PID:436
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2204
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:912
                                • 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:4148
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3056 -ip 3056
                                1⤵
                                  PID:2092
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1964 -ip 1964
                                  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:4872
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3720

                                      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\6nqTLqZ7vHXP.bat

                                        Filesize

                                        208B

                                        MD5

                                        ba77255e5e65ace96d0be29ff3f2fab2

                                        SHA1

                                        d88060b474a5b6aa8f7ec754524f44f02c97387f

                                        SHA256

                                        dc39e35019209eb0abbbbf8d91fc3411fac2220320a4af4a08a9795f574a2f2a

                                        SHA512

                                        756e3ca2ee4ece55f7f24577cc7861ea330bcd047f23ec9253714886518022f3b8399a658d9a7e39fc0b4ed06dfa0847c1460b4daed0e18dfcd03e77452e19f1

                                      • C:\Users\Admin\AppData\Local\Temp\IUXp6zbrdjw9.bat

                                        Filesize

                                        208B

                                        MD5

                                        d658f9e47032cea09943c012a46f97ae

                                        SHA1

                                        8fd8eb307b92b44c1b90df2244fc00e5e8c6eabf

                                        SHA256

                                        bc49341277c016baafe1e788585ad747be2820c8bdc1ad6230bee7151ec3e238

                                        SHA512

                                        7db701ca4fbed2a604b323bc35648a96c3264cdf117df4a046d7692be897049134fa50d5c3a2c0001fa4100c62a870593ed52cba67285301cb57fe08751a273c

                                      • 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\08-05-2024

                                        Filesize

                                        224B

                                        MD5

                                        763a1216dbb3d347be901a28ac42188f

                                        SHA1

                                        3f62d01fd9404abb4d369e6e67de08bc6a8ed0da

                                        SHA256

                                        037375840d90d45a105115c0af3357394262b3ed66140809cd940319eb2668f5

                                        SHA512

                                        f1e44e3395100cc4dfac01b22ff95d8c0802a40f512efd999b959bf58175af24b13f27dbe7b96864a142009ea18589620e5aa969532bd48d71ba9365adab6f19

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-05-2024

                                        Filesize

                                        224B

                                        MD5

                                        0768a3660c48f707001a2f756f625292

                                        SHA1

                                        4542ad7367c0dfda2211e2fbeab7aef806439c90

                                        SHA256

                                        220dcb47ee5d4c46535f704ddd59973f49b393004fb1535fe8f52a94a5abd9ed

                                        SHA512

                                        4b0a5f58111cff94e51453874967669463317f76846ec28096fa6571265ac608b607342bb441d61f92591ceb7db4bf8665a43cfd9ec2afd14370ebc7ae2d1d09

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        13f308eaf74d73cdf77590cea036444f

                                        SHA1

                                        a70d0f5bb891b8f78df37831883d206276e07d63

                                        SHA256

                                        e2111eb6653ebcde4d256ae79ba9d1228efca85057a45d7851db3dfe4c1406fc

                                        SHA512

                                        c8af5dc21d35a3a13241f70784a12ca5e33b4be61ec7b5244391a8c0078085dfc50b95e80dbdbc6de8253547a1e8d7b9d0adcd285d191ef6e3b360374a4e293a

                                      • memory/912-80-0x0000000000C00000-0x0000000000C20000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/912-74-0x0000000000C00000-0x0000000000C20000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1772-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1772-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3416-44-0x00000000064C0000-0x00000000064CA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3928-31-0x0000000000960000-0x00000000009BE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3928-36-0x0000000006620000-0x000000000665C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3928-35-0x00000000060E0000-0x00000000060F2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3928-34-0x0000000005530000-0x0000000005596000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3928-33-0x0000000005490000-0x0000000005522000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3928-32-0x0000000005930000-0x0000000005ED4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4016-45-0x0000000002960000-0x0000000002961000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4016-28-0x0000000002960000-0x0000000002961000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4016-88-0x00000000768F0000-0x0000000076965000-memory.dmp

                                        Filesize

                                        468KB