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Analysis

  • max time kernel
    4s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:17

General

  • Target

    caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe

  • Size

    2.0MB

  • MD5

    a7d2254dd17852abff4794059b2ba5f6

  • SHA1

    45ea0c75357b0854dbee73244d1238c14b8c0107

  • SHA256

    caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad

  • SHA512

    b403f0611c36da0a20313d6d518aa27ca6ac5ce5fc9b34a20fa14c47faa355ade25f952904d4503eedb97aadd9b81e560439a003164c59dc5cee25f8b95a1f6e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5

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 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 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 WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe
    "C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.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:4360
    • 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:3016
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 548
          3⤵
          • Program crash
          PID:5088
      • 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:2372
        • 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:4668
        • 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
          PID:2532
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3048
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dX8rN5jyZIqS.bat" "
            4⤵
              PID:556
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3436
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4264
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1728
                    • 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:2820
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 2272
                  4⤵
                  • Program crash
                  PID:5096
            • C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe
              "C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3284
            • 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:3704
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3016 -ip 3016
            1⤵
              PID:2472
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2532 -ip 2532
              1⤵
                PID:404
              • C:\Windows\system32\sihost.exe
                sihost.exe
                1⤵
                  PID:4776
                  • C:\Windows\explorer.exe
                    explorer.exe /LOADSAVEDWINDOWS
                    2⤵
                      PID:1996
                  • C:\Windows\system32\sihost.exe
                    sihost.exe
                    1⤵
                      PID:4512
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                        PID:3040
                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                        1⤵
                          PID:3484
                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                          1⤵
                            PID:4780

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Temp\dX8rN5jyZIqS.bat

                            Filesize

                            208B

                            MD5

                            f51d7af302721a6185bfb6dc8391d0c5

                            SHA1

                            2efae67249a049fc78d958a4fba9690dbc18fd63

                            SHA256

                            4e57019e0a0e41b4922725bd21c0ca7dc7c0634aaa464cebdd805956336e5fb4

                            SHA512

                            7de31acdd590a337127d9ca5be9f0bf180c374eea5210f453f16ffe9367cd39b7111d79392fc741b83b3787b921d3e916e0a8cd19e37943c49d098574dca074b

                          • 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\03-06-2025

                            Filesize

                            224B

                            MD5

                            93c1b758f59e7bb8a49a1ade7c881421

                            SHA1

                            b7352abf0a726228ad557cdcac570e52818cc5c0

                            SHA256

                            4ef193e98392ebec7d1a7a390da6ee44f57521246e576f4e1c316d245a75afcb

                            SHA512

                            611436e644dcfd0de742c08d4d9c17a7023a90dc4391c9a2b7a4b3698854a57f634d91df25039912f345720db2249eb723452e3a1006be01482ae0a80d69bd76

                          • memory/2372-37-0x0000000006060000-0x000000000609C000-memory.dmp

                            Filesize

                            240KB

                          • memory/2372-19-0x0000000072FFE000-0x0000000072FFF000-memory.dmp

                            Filesize

                            4KB

                          • memory/2372-30-0x00000000004F0000-0x000000000054E000-memory.dmp

                            Filesize

                            376KB

                          • memory/2372-33-0x0000000005350000-0x00000000058F4000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/2372-34-0x0000000004EA0000-0x0000000004F32000-memory.dmp

                            Filesize

                            584KB

                          • memory/2372-35-0x0000000004E10000-0x0000000004E76000-memory.dmp

                            Filesize

                            408KB

                          • memory/2372-36-0x0000000005B20000-0x0000000005B32000-memory.dmp

                            Filesize

                            72KB

                          • memory/2532-45-0x0000000006770000-0x000000000677A000-memory.dmp

                            Filesize

                            40KB

                          • memory/3284-29-0x0000000000400000-0x0000000000420000-memory.dmp

                            Filesize

                            128KB

                          • memory/3284-21-0x0000000000400000-0x0000000000420000-memory.dmp

                            Filesize

                            128KB

                          • memory/4360-20-0x0000000004690000-0x0000000004691000-memory.dmp

                            Filesize

                            4KB

                          • memory/4776-53-0x00007FFA8B8B0000-0x00007FFA8B95C000-memory.dmp

                            Filesize

                            688KB