Analysis

  • max time kernel
    5s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 09:11

General

  • Target

    f3ad3af5291e86d9c2e9ccb25c1efa60N.exe

  • Size

    2.0MB

  • MD5

    f3ad3af5291e86d9c2e9ccb25c1efa60

  • SHA1

    61c4856b0c6e00abd7063d3f36659489c027a04f

  • SHA256

    19cdefdfcf927637375a3260639085cab720b92b163553eb39e6ba4e4924cdd1

  • SHA512

    cc4e02b79748ba63477fda430b58a14da00fffbe70e8dd39e246a67817b19ad04b7b6d8cdac81f0c112815dc058382e78513a1059057cda496fc6edc93122dfe

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YX

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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\f3ad3af5291e86d9c2e9ccb25c1efa60N.exe
    "C:\Users\Admin\AppData\Local\Temp\f3ad3af5291e86d9c2e9ccb25c1efa60N.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:680
    • 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:4496
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 548
          3⤵
          • Program crash
          PID:4480
      • 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:1972
        • 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:1920
        • 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:4588
          • 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:3324
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\x0KgNqMyxSMD.bat" "
            4⤵
              PID:4460
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1348
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2624
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1400
                    • 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:4496
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D35t5QFIEgy2.bat" "
                      6⤵
                        PID:4432
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1732
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1972
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1284
                              • 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:4980
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 2196
                            6⤵
                            • Program crash
                            PID:2080
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 2260
                        4⤵
                        • Program crash
                        PID:3692
                  • C:\Users\Admin\AppData\Local\Temp\f3ad3af5291e86d9c2e9ccb25c1efa60N.exe
                    "C:\Users\Admin\AppData\Local\Temp\f3ad3af5291e86d9c2e9ccb25c1efa60N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3776
                  • 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:5060
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4496 -ip 4496
                  1⤵
                    PID:4380
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4588 -ip 4588
                    1⤵
                      PID:4120
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4280
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1856
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4088
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 520
                                3⤵
                                • Program crash
                                PID:4924
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4616
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3796
                                • 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:4532
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1856 -ip 1856
                                1⤵
                                  PID:1628
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1400 -ip 1400
                                  1⤵
                                    PID:640
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3768
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4828

                                      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\D35t5QFIEgy2.bat

                                        Filesize

                                        208B

                                        MD5

                                        3d009e1bb7c9fe1862276c35cf0e8f21

                                        SHA1

                                        8b63b686705ba525b6ddad53cd941ab4ef6dbaaf

                                        SHA256

                                        f29c1ca745a855d3ab72c5eb28a101deca7958f98374d238db2d64ebd380f7b1

                                        SHA512

                                        2072ae7e3d2fd9b0e2a7ac8709272250a1fab59c9fc6270c185d864dcf17d5522916b6d9ead097ba4f5d56329da1fea711fbbcfaa95d07bd06aaaaed685e3366

                                      • 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\Local\Temp\x0KgNqMyxSMD.bat

                                        Filesize

                                        208B

                                        MD5

                                        58068f8dc92a4ed913289c4408fd620b

                                        SHA1

                                        d0c35218f2885da251ce0db0279e2c735f16a324

                                        SHA256

                                        0098a719ad5889471a9a434514c33bc9d04d61a4cfba78a2dc55360e7aabc723

                                        SHA512

                                        6f6ef84d6477019c246e5c5276637d388745526598b8889919b49140dd11ea0700db1e6b2d8beafff46f8344164e2201fbefd9e3b6979c5ad2c2b158e04b2ea5

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-24-2024

                                        Filesize

                                        224B

                                        MD5

                                        dd1dd89961dd2058130a0328d7c35648

                                        SHA1

                                        02dd47fa3c652e5d527c79a781bacebee9948d72

                                        SHA256

                                        0b9e76ac6face293d7c8e368e14209e4c90a8c7d69b6f36170d768b9c12fb452

                                        SHA512

                                        796926f4bad8ddb3cfde294c1af234ee34bc3cdb08d76c9d4093a131996b81864d47e846db690d4a38db7d44d0fa775a472b069abcb46819a44a689323dc6945

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-24-2024

                                        Filesize

                                        224B

                                        MD5

                                        0f24b107edc3c21dfd1f377a68d9fd25

                                        SHA1

                                        153b24712a9c26c56231a5f7cfc8cf61589b0050

                                        SHA256

                                        e006c4fbef895d58ce5702ce9fb653096e1471ec712497b82aac4d76f9bc61d8

                                        SHA512

                                        0a28df424055722d0133865f4c141bbd7820cb503f81a919e9df5d744fa409bb56f1ea31389cff32bec580739df64a233cc1bc3d2918e9eb44b4beea92b91dc7

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        81191fb9ae317d10e457d3e4fc4c155c

                                        SHA1

                                        5cafffad6511d022d5dde381ab4c1b121dfa2a6e

                                        SHA256

                                        8d33fb5c4da3371afdb73dbf3283ab22e8b9f71f1340f135cfbd8ec8102ca3e5

                                        SHA512

                                        50d504389911296f7bd69eae4093efa7a5eb621691856d0555bd44fb7ee7afecc10de78c55eb484b0f59722e9b6cb5e01fa66880ddaa2be34108d2326b0e5e53

                                      • memory/680-19-0x0000000001720000-0x0000000001721000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1972-29-0x000000007378E000-0x000000007378F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1972-36-0x00000000061C0000-0x00000000061D2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1972-37-0x0000000006700000-0x000000000673C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1972-35-0x00000000055E0000-0x0000000005646000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1972-34-0x0000000005500000-0x0000000005592000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1972-33-0x0000000005A10000-0x0000000005FB4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1972-32-0x0000000000B90000-0x0000000000BEE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3776-28-0x0000000000160000-0x0000000000180000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3776-20-0x0000000000160000-0x0000000000180000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3796-74-0x00000000001B0000-0x00000000001D0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3796-80-0x00000000001B0000-0x00000000001D0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4588-45-0x0000000006930000-0x000000000693A000-memory.dmp

                                        Filesize

                                        40KB