Analysis

  • max time kernel
    4s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2025 03:34

General

  • Target

    cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe

  • Size

    2.0MB

  • MD5

    37ec6a58666f4198cec32690f5efd70b

  • SHA1

    d91b490f7030bb64b7950dbf2a761ea49b301458

  • SHA256

    cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2

  • SHA512

    40c304613abe69fef1668e629dbc8e5432ecb830fcd30254947a595bde0d2c004ee7e745e594eb3e6f0e88acd1daf68390ffab981d096346ed64349b75bd3391

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe
    "C:\Users\Admin\AppData\Local\Temp\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.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:3420
    • 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:4568
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 548
          3⤵
          • Program crash
          PID:5096
      • 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:3676
        • 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:2824
        • 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:1204
          • 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:1124
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jxwECjvKaxi7.bat" "
            4⤵
              PID:5048
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4252
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2780
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2552
                    • 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:3276
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Nfw51pmDw08k.bat" "
                      6⤵
                        PID:4108
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:748
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4968
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1368
                              • 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:2236
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2236
                            6⤵
                            • Program crash
                            PID:2748
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 2264
                        4⤵
                        • Program crash
                        PID:3020
                  • C:\Users\Admin\AppData\Local\Temp\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe
                    "C:\Users\Admin\AppData\Local\Temp\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3752
                  • 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:1304
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4568 -ip 4568
                  1⤵
                    PID:4324
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1204 -ip 1204
                    1⤵
                      PID:2236
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2712
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3964
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3052
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 520
                                3⤵
                                • Program crash
                                PID:4268
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4404
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:400
                                • 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:1600
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3964 -ip 3964
                                1⤵
                                  PID:3740
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2552 -ip 2552
                                  1⤵
                                    PID:3404
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4668
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:228

                                      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\Nfw51pmDw08k.bat

                                        Filesize

                                        208B

                                        MD5

                                        1241f0c23e6301fc2a83bac32d35acac

                                        SHA1

                                        e4fe96266845ded04cc1bc6632ea40d1f693e270

                                        SHA256

                                        59e1ca5b4a19493686358353f070885be753490f45f704961345e734e9e27be6

                                        SHA512

                                        489dbd034935d9f85bc1588beab321804dfed1104030f5168e0c1f58b903f5049a5c3da4914806cc2c78d1eece04c9900450c71856ba2ae5d1c8a61a446922ff

                                      • C:\Users\Admin\AppData\Local\Temp\jxwECjvKaxi7.bat

                                        Filesize

                                        208B

                                        MD5

                                        a9ed0f90ad1a70b5ce54d8faa08f92c6

                                        SHA1

                                        56e5fae3ec49c6a961d19d982f4efd286867a1e0

                                        SHA256

                                        3ad1595b8b87019356e222cab45460b4aeb4181a906ac68d4afe6ec986c303ed

                                        SHA512

                                        2714c44d2096aa203b9e1ec10fc337171011654d82209aa1c92d8fba8539e275833be9e1c6cf7059c0c9f982c3927cdc2dae87ef2b05b064f3f9c9ccaa5f98b6

                                      • 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\01-28-2025

                                        Filesize

                                        224B

                                        MD5

                                        189ff1d1c60393de918df1310e6e3b44

                                        SHA1

                                        5aeb5863b8342570ce59d3b25331fa27307ad539

                                        SHA256

                                        41a0bd257f4a0398dc0363bbdeeedc0f19705fe334475efc8021d7b8f3dc0be1

                                        SHA512

                                        0249ffdfb63b273378d31163f672171b97f2be0696f951c48872ba3a7fe59c603d49e4798c41af24b90a07b47bd7a75713cf42ef80adb8ff87389ecf374b1d28

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        e575089049761ec308ef6c907fa51e65

                                        SHA1

                                        bb36db7c19cc662ac4acdf97bacc2ffef3c8b7e9

                                        SHA256

                                        7a7d85e99e31d48888e7904f7192f53eeec6ff8374e1cc8c75e5b2d2a0c12ecd

                                        SHA512

                                        17f090204b7d0f9fffd3aca3d4568f1865dcb01d6b3f6b0e524757a15a282b7670794cdd5f2be3281b33689150c34dcc7a1266f1837f3e7ac85c9988e5fe3918

                                      • memory/400-80-0x00000000007A0000-0x00000000007C0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/400-74-0x00000000007A0000-0x00000000007C0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1204-45-0x00000000060F0000-0x00000000060FA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3420-20-0x00000000040C0000-0x00000000040C1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3676-36-0x0000000005D00000-0x0000000005D12000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3676-37-0x0000000006A00000-0x0000000006A3C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3676-35-0x0000000005800000-0x0000000005866000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3676-34-0x00000000058A0000-0x0000000005932000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3676-33-0x0000000005DB0000-0x0000000006354000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3676-30-0x0000000000D30000-0x0000000000D8E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3676-19-0x000000007300E000-0x000000007300F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3752-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3752-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB