Analysis

  • max time kernel
    120s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 04:31

General

  • Target

    17f9fdc407b3f953942388ebce981638194d0c3bace1e0e2fda528606f18dd6aN.exe

  • Size

    2.0MB

  • MD5

    e16733fd5a4e0bfe66d8699cb421bff0

  • SHA1

    240d2a3c88e5b42dcc6c2592a9c8caeb4fe4c418

  • SHA256

    17f9fdc407b3f953942388ebce981638194d0c3bace1e0e2fda528606f18dd6a

  • SHA512

    de26219ee8b742d54c6bffeed83002812e68e8e13b472ec159919dc0eefe9b7cf15e16d828cfb86bf1a18de50642f2cccb1b06d36001577df9103c076e6183dd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

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

    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 1 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 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 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\17f9fdc407b3f953942388ebce981638194d0c3bace1e0e2fda528606f18dd6aN.exe
    "C:\Users\Admin\AppData\Local\Temp\17f9fdc407b3f953942388ebce981638194d0c3bace1e0e2fda528606f18dd6aN.exe"
    1⤵
    • 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:3528
    • 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:600
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 600 -s 548
          3⤵
          • Program crash
          PID:1464
      • 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:4760
        • 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:4628
        • 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:2380
          • 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:1508
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JbGXZppQQMFA.bat" "
            4⤵
              PID:2220
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3516
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3832
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4936
                    • 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:3576
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\R25GCOBzmuq6.bat" "
                      6⤵
                        PID:544
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 2000
                        6⤵
                        • Program crash
                        PID:4728
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 2264
                    4⤵
                    • Program crash
                    PID:4824
              • C:\Users\Admin\AppData\Local\Temp\17f9fdc407b3f953942388ebce981638194d0c3bace1e0e2fda528606f18dd6aN.exe
                "C:\Users\Admin\AppData\Local\Temp\17f9fdc407b3f953942388ebce981638194d0c3bace1e0e2fda528606f18dd6aN.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:2632
              • 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:4452
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 600 -ip 600
              1⤵
                PID:3492
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2380 -ip 2380
                1⤵
                  PID:4012
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:4452
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:512
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:1640
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 520
                            3⤵
                            • Program crash
                            PID:3244
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3876
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2776
                            • 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:4404
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 512 -ip 512
                            1⤵
                              PID:4016
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 4936 -ip 4936
                              1⤵
                                PID:5068
                              • C:\Windows\system32\dwm.exe
                                "dwm.exe"
                                1⤵
                                  PID:4012
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:1940
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:4424
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:3376
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:3728
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:4208
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:4512
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:3468
                                              • C:\Windows\system32\AUDIODG.EXE
                                                C:\Windows\system32\AUDIODG.EXE 0x500 0x2c8
                                                1⤵
                                                  PID:1196
                                                • C:\Windows\system32\sihost.exe
                                                  sihost.exe
                                                  1⤵
                                                    PID:1068
                                                  • C:\Windows\system32\sihost.exe
                                                    sihost.exe
                                                    1⤵
                                                      PID:1616
                                                    • C:\Windows\system32\sihost.exe
                                                      sihost.exe
                                                      1⤵
                                                        PID:4932
                                                      • C:\Windows\system32\sihost.exe
                                                        sihost.exe
                                                        1⤵
                                                          PID:4664
                                                        • C:\Windows\system32\sihost.exe
                                                          sihost.exe
                                                          1⤵
                                                            PID:1624
                                                          • C:\Windows\system32\sihost.exe
                                                            sihost.exe
                                                            1⤵
                                                              PID:968

                                                            Network

                                                            MITRE ATT&CK Enterprise v15

                                                            Replay Monitor

                                                            Loading Replay Monitor...

                                                            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\JbGXZppQQMFA.bat

                                                              Filesize

                                                              208B

                                                              MD5

                                                              99658b5a1234bf2aeb8aa47847a6a0a0

                                                              SHA1

                                                              d26f141917386692826f68f46c6a1003db89c8cb

                                                              SHA256

                                                              e497f1bf9c316bf4b87d6657bfb7fa85863908f7d2bb2811b6514ce3afaa8d6a

                                                              SHA512

                                                              9872eb0478f0f20d02dc6eea26f48bfe6fce4971e48ec624d4eec3d7aa361cf806f33e1fe2af3281d909713b89c292ca8d1fb982b8d5656ea755aa1883607b0b

                                                            • 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\01-04-2025

                                                              Filesize

                                                              224B

                                                              MD5

                                                              574b06b146662d0f4a2692a22eb613c2

                                                              SHA1

                                                              8a83c4c27ba98e07ee6121dfbea6a962430df1b3

                                                              SHA256

                                                              8766ecd2635f1f470b91cf88b28668b9ae0c3f5b20baea1d88fecf22d9852914

                                                              SHA512

                                                              62ebd91402d6341a8a3d2ddbd2cfce4f00941b8625b860103654651e63621b55e3e7add3093da804ba919a5355115fb812210a7555528de9f747d18d357744e4

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

                                                              Filesize

                                                              2.0MB

                                                              MD5

                                                              724fda8423eacb43e231d83d4ad7d292

                                                              SHA1

                                                              25a903fff0df029e390afd5135983de6b3bf8943

                                                              SHA256

                                                              e8fb3d7dd14bcf2d3084b9ca7678435cf7975b5a4332877329ebe651ff338a20

                                                              SHA512

                                                              6576b6f0198d0fce1a788757e35be1089773ce54246327dbfdf5a78c1e9f4464403f0b2d0444d5eb94d3a36638d4dc4043613eb832bd2e5e9813579575df4c04

                                                            • memory/2380-44-0x00000000063F0000-0x00000000063FA000-memory.dmp

                                                              Filesize

                                                              40KB

                                                            • memory/2632-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                              Filesize

                                                              128KB

                                                            • memory/2632-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                              Filesize

                                                              128KB

                                                            • memory/3528-19-0x0000000003F30000-0x0000000003F31000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/4760-34-0x0000000004B60000-0x0000000004BC6000-memory.dmp

                                                              Filesize

                                                              408KB

                                                            • memory/4760-35-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

                                                              Filesize

                                                              72KB

                                                            • memory/4760-36-0x0000000005CC0000-0x0000000005CFC000-memory.dmp

                                                              Filesize

                                                              240KB

                                                            • memory/4760-33-0x0000000004AC0000-0x0000000004B52000-memory.dmp

                                                              Filesize

                                                              584KB

                                                            • memory/4760-32-0x0000000005070000-0x0000000005614000-memory.dmp

                                                              Filesize

                                                              5.6MB

                                                            • memory/4760-31-0x0000000000140000-0x000000000019E000-memory.dmp

                                                              Filesize

                                                              376KB