Analysis

  • max time kernel
    4s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 19:09

General

  • Target

    6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe

  • Size

    2.0MB

  • MD5

    8f0ad6014e3072402f939e7b3b94a0a0

  • SHA1

    86b2cde6160807f79091bd48e7eaf81529e31ab6

  • SHA256

    6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96

  • SHA512

    ef738f3588a2c0d55b8257150eedf35d23bd6e7a84c56097260a020f12362ab236035065104c65c345ab299a9a65b3fa9859536c3978401efed49158624101eb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yw

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\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe
    "C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.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:2456
    • 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:4316
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2172
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 548
          3⤵
          • Program crash
          PID:384
      • 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:2876
        • 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:216
        • 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:4928
          • 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:4152
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Hd5lC360LzNB.bat" "
            4⤵
              PID:3148
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:832
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2872
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1220
                    • 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:1640
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8VVkuRCExMIa.bat" "
                      6⤵
                        PID:1952
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:744
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5016
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4592
                              • 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:4820
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 1980
                            6⤵
                            • Program crash
                            PID:2512
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 2252
                        4⤵
                        • Program crash
                        PID:2692
                  • C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe
                    "C:\Users\Admin\AppData\Local\Temp\6bd69fa56ad52a01a353585fc3a41adb297110668f4a4f30369e1052d60cbc96N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2400
                  • 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:4776
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4316 -ip 4316
                  1⤵
                    PID:836
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3584
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3440
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3464
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 520
                              3⤵
                              • Program crash
                              PID:1288
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4528
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4972
                              • 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:4008
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3440 -ip 3440
                              1⤵
                                PID:5080
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4928 -ip 4928
                                1⤵
                                  PID:2216
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1220 -ip 1220
                                  1⤵
                                    PID:1548

                                  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\8VVkuRCExMIa.bat

                                    Filesize

                                    208B

                                    MD5

                                    ebfc763d95fba354cd733dfa76189ffb

                                    SHA1

                                    8d6ae93b90f48107c137937fef8d1e09a969c77e

                                    SHA256

                                    0c4c09bea9ed0e3c96a0d4b961fc24df33efe500032998ce8e79872c96c0dcb4

                                    SHA512

                                    c0a0949c11059faba322d9730c2a515ae8b720efbc881aa86a666040427f2efed41fb8cadfc63b3c1eee8830dbe75f9f5596d57cfa23938bfad3839b43da6dd5

                                  • C:\Users\Admin\AppData\Local\Temp\Hd5lC360LzNB.bat

                                    Filesize

                                    208B

                                    MD5

                                    995ba3e15c53a68fedefcb92b6decc14

                                    SHA1

                                    62c536b6654b85d7b3191d638858a2528a6df46f

                                    SHA256

                                    1905abe62d74159a4fc4760bb66bc71d068da98133a9f286be91a0b873ae1c96

                                    SHA512

                                    3cbdce7d4f7ac7c5dfaf7e440668bfc852cae29d154b55e905abeed6b8be7dbf6177e0bf44ab20bf1a1b2d11e92ac4801a88fb30fc8f8940a554480ec8994b1d

                                  • 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\12-31-2024

                                    Filesize

                                    224B

                                    MD5

                                    d367bbe5dd62ceb10ab9abc24c5b81eb

                                    SHA1

                                    963080d42bb28527bf68af899d26d84df3f07fbb

                                    SHA256

                                    7cbf4b3f9069fd3f0db1cb043edfc02375e71a0f640ef00068378f7baa5be849

                                    SHA512

                                    1cbf3e7db70e17932868b657b0ca3c93131fd6c780e543f95d42a1b9c61a99c771373d33f60e11daecaa47a553ba1ee228754714f99a98d2caae4b3c912dd838

                                  • C:\Users\Admin\AppData\Roaming\Logs\12-31-2024

                                    Filesize

                                    224B

                                    MD5

                                    577d66606a38132e8e12ec840950af8f

                                    SHA1

                                    1747d629b48451599fba8e50c2265e6ccd1b494c

                                    SHA256

                                    99f13c0d1ac5b6881b2cbf02cd7fd5885deb720ef5e818ff49cf2f8dbba3f81a

                                    SHA512

                                    5502d85fcc0de4a5b6a34c8caea14055a51fe2e97a8a3635e7a02ed88270d6ba5ca277f884a0cc5db15721ba0d936df1a7094159f03e3f969a3353b8d1588c21

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    6f5c60afb87374e1b571b4e6ec3f5e27

                                    SHA1

                                    175eb240c759502e2ac1b06dda45e57bb6fb6261

                                    SHA256

                                    1cb99cc22fb98808af667b4cd1be113a98c8a053924c0d1042b0db316db1c894

                                    SHA512

                                    c5d30fba59eef8e7ae09560b0e5eb72376664bde169ec9cacb50002a8a6edaa268c8c3baceb5e9b05f69f53b7b1fa8d75d4423722f79e68b9e5fcccd1310522e

                                  • memory/2400-21-0x0000000000460000-0x0000000000480000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2400-28-0x0000000000460000-0x0000000000480000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2456-19-0x0000000003C10000-0x0000000003C11000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2876-36-0x0000000005C30000-0x0000000005C42000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2876-37-0x0000000006170000-0x00000000061AC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/2876-35-0x0000000005050000-0x00000000050B6000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/2876-34-0x0000000004FB0000-0x0000000005042000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/2876-33-0x0000000005560000-0x0000000005B04000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/2876-32-0x0000000000600000-0x000000000065E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/2876-29-0x000000007387E000-0x000000007387F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4928-45-0x0000000006520000-0x000000000652A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4972-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4972-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB