Analysis

  • max time kernel
    4s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 23:25

General

  • Target

    ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe

  • Size

    2.0MB

  • MD5

    94dd8b8ca039bd5e082063d06d839d1f

  • SHA1

    b37a260e6bf7b95ec7d9c16c5c05d902e9ba2361

  • SHA256

    ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b

  • SHA512

    aac7689ed3ff914b89a84d5973503dca0130471cdb41c18509603d109d236046098ab2aaae991906fd32ae44e3b220efa46e0aa06125e99957314c6b9d681f15

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

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 5 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\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe
    "C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.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:216
    • 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:2064
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 552
          3⤵
          • Program crash
          PID:3616
      • 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:2584
        • 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:228
        • 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:1352
          • 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:5052
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3gCwYI4BmDLl.bat" "
            4⤵
              PID:4060
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4264
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4292
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4520
                    • 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:1544
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yYRe2RKjuOx5.bat" "
                      6⤵
                        PID:1520
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3576
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3488
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:800
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 1724
                            6⤵
                            • Program crash
                            PID:2468
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 2244
                        4⤵
                        • Program crash
                        PID:1968
                  • C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe
                    "C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3628
                  • 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:5024
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2064 -ip 2064
                  1⤵
                    PID:2484
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3424
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2744
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2456
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 520
                              3⤵
                              • Program crash
                              PID:2464
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2252
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:376
                              • 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:3216
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2744 -ip 2744
                              1⤵
                                PID:5012
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1352 -ip 1352
                                1⤵
                                  PID:5096
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4520 -ip 4520
                                  1⤵
                                    PID:4524
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:3464
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:3992
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4288
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:1352
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:3836

                                            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\3gCwYI4BmDLl.bat

                                              Filesize

                                              208B

                                              MD5

                                              290a6b08ed8b1470fab67c872c52ad02

                                              SHA1

                                              5bf9d6fab2bdc1a84816626ca5ab3f6976688c1f

                                              SHA256

                                              0dd07d73217b3dd20a2ebbd42a579b2bfd6f50ebc3bd4c07a3b97dd10216b8be

                                              SHA512

                                              e88c69f22044f9fba13b984def5f62f23a7e3442605ed879a1d72eb355daa9f1eb7da1b4678892e79859641ee479892b529b8b979ce6cba7ad0633450a795d39

                                            • 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\yYRe2RKjuOx5.bat

                                              Filesize

                                              208B

                                              MD5

                                              6d0da33f7459e028cbdc9a1e55662f69

                                              SHA1

                                              b3a38516fc88ae58edfb3cd94ebe66887a24bded

                                              SHA256

                                              8d496d2de54ec15420c22d19afe7a3c32171232955583e6f47bb55bd5320ec31

                                              SHA512

                                              e2780e5176be2fe69d9f9a44183daf0f0216c4feccca0780a9df16825262108e0fe672476fbb8a6f6019de8a4d8126b0dc6a4654d6b095b6cbc4f69bd777b91f

                                            • C:\Users\Admin\AppData\Roaming\Logs\01-12-2025

                                              Filesize

                                              224B

                                              MD5

                                              5b3ca66fdb6f402d20b70838b8c2c738

                                              SHA1

                                              5a9ee08cb1d8c0aba37882d0b30377a75c34e5bc

                                              SHA256

                                              bc461f760cc2beb0c9d423f6417b1ceb949b8f3f01c1f8ce239c42db480ceb40

                                              SHA512

                                              35bfb9bf7691a10d4359f670aef1664167064378e86cb75daaae7bad9e5e6b00ca5421e336cea178eee014112a0d243da1a445cd9c0077565b5e99537dcda177

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

                                              Filesize

                                              2.0MB

                                              MD5

                                              5f1606d45808bbd495e14b3c209ccf39

                                              SHA1

                                              fd9bd184f760c33cc2beacfe44fbfc9c818a1439

                                              SHA256

                                              9a362312ff13a1282f2c28404b510889c869a128b31d53c227313a3e3ff61c58

                                              SHA512

                                              9e1e2db43f929b410c37839e754ffa3973b2dd2dd48579a2fc501d274b3719b96ac15ec4e09728e458c0f4c4f92f53a7304b5b68b3e6486a7747ae6610053a6a

                                            • memory/216-19-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1352-45-0x0000000006820000-0x000000000682A000-memory.dmp

                                              Filesize

                                              40KB

                                            • memory/2584-34-0x0000000004E00000-0x0000000004E92000-memory.dmp

                                              Filesize

                                              584KB

                                            • memory/2584-36-0x0000000005B10000-0x0000000005B22000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2584-37-0x0000000006050000-0x000000000608C000-memory.dmp

                                              Filesize

                                              240KB

                                            • memory/2584-35-0x0000000004EB0000-0x0000000004F16000-memory.dmp

                                              Filesize

                                              408KB

                                            • memory/2584-33-0x0000000005460000-0x0000000005A04000-memory.dmp

                                              Filesize

                                              5.6MB

                                            • memory/2584-32-0x00000000004D0000-0x000000000052E000-memory.dmp

                                              Filesize

                                              376KB

                                            • memory/2584-29-0x0000000072F7E000-0x0000000072F7F000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3628-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3628-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB