Analysis

  • max time kernel
    5s
  • 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
    15-01-2025 08:47

Errors

Reason
Machine shutdown

General

  • Target

    d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe

  • Size

    2.0MB

  • MD5

    1c8124fd503c6498eb007538a1021388

  • SHA1

    ac8608d293fb8cee7e2ce7bb1c6a71e6ea897fb6

  • SHA256

    d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4

  • SHA512

    53541b37f7e65dd984c0f6cf7164e06b5e40bb72ee029e6e2716283d66162d869acaa9028258aa3eed4a3f7d799d102ff2701eb0397db97a21c6fa2072b56dbe

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ

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 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\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
    "C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.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:4164
    • 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:4692
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 552
          3⤵
          • Program crash
          PID:3700
      • 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:4740
        • 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:3156
        • 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:3192
          • 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:3400
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ztzpDFfYE6cV.bat" "
            4⤵
              PID:2776
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2492
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3660
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2800
                    • 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:1980
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\U3EOhebkrZlQ.bat" "
                      6⤵
                        PID:1256
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4536
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2644
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 1964
                          6⤵
                          • Program crash
                          PID:4624
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 1984
                      4⤵
                      • Program crash
                      PID:2900
                • C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
                  "C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3036
                • 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:4944
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4692 -ip 4692
                1⤵
                  PID:4864
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3192 -ip 3192
                  1⤵
                    PID:5060
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:872
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1800
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1336
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 520
                              3⤵
                              • Program crash
                              PID:4832
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:436
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1056
                              • 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:5064
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1800 -ip 1800
                              1⤵
                                PID:2224
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2800 -ip 2800
                                1⤵
                                  PID:4412
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4360
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4928
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2668

                                      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\U3EOhebkrZlQ.bat

                                        Filesize

                                        208B

                                        MD5

                                        8afb51839a0225c997ba44d92ee1652a

                                        SHA1

                                        82fc9375e1a4cd25b51d8155e415c0514448be1e

                                        SHA256

                                        bd7c4f4185477eea36de60a61787641fbe75e1c2d9955a8c82837db0c3714c33

                                        SHA512

                                        0491494d53c28bcc15197c8033d771db4282a027973e6f0d7c7d09509c1969d60bf1566cf9bc40a8f9ff8f6ce9c12b16f575badeda73dd0591091f76294ae6e6

                                      • 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\ztzpDFfYE6cV.bat

                                        Filesize

                                        208B

                                        MD5

                                        c97265c22c1fd2fbb4504bbe79152580

                                        SHA1

                                        d7de17af3c079f59b70b4b9d3eaf3c639ec3c8bf

                                        SHA256

                                        ae406e922917c3e684c01e71930ad2ebf0f11108afd823492985f9e0f1cc557b

                                        SHA512

                                        128275d960cae07489fdc6cb83cdda4212328381da4a12a1fceb2d955a823dd28827ae894d8fd80986510339ebca1abbc68c511dfa1fe2298ac5dce78ff83d0f

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-15-2025

                                        Filesize

                                        224B

                                        MD5

                                        6d86de6777d0b6c58ffda2763a8a781b

                                        SHA1

                                        8189756f1f8b03359c0b419776b17b4465306839

                                        SHA256

                                        e0cbf0014fe170131f89ff3d3624c058070d5616b35c00144615770369f76e29

                                        SHA512

                                        8b5c60782beece303e6f7f32ed657ca426a426e944ca322522fff805fc595a60cd5e93767aafd9e5f069c78785ad8c3c42428ca4c86802dcd14b2fbcddbd8222

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        9b0589f940beff1a9d90c0e9dc5614f8

                                        SHA1

                                        57828427cabbee33b94c03cf647290302b1e05e4

                                        SHA256

                                        c6dfbf240a5da5c5a8fdd10c5da700f4c575e7eb0d503fb8a4ad0983dcd4d5ce

                                        SHA512

                                        4ee51c9c8a309c1ed36170c778ab70207242e83522ab7b61b340a33f95a2e844d3a199818647464a2059970e51dfea7a515a0ed1daf529fe61a567a5e9131482

                                      • memory/3036-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3036-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3192-44-0x00000000069E0000-0x00000000069EA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4164-19-0x0000000002350000-0x0000000002351000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4740-34-0x0000000004D10000-0x0000000004D76000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4740-35-0x0000000005100000-0x0000000005112000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4740-36-0x0000000005DF0000-0x0000000005E2C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4740-33-0x0000000004C70000-0x0000000004D02000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4740-32-0x0000000005140000-0x00000000056E4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4740-31-0x0000000000280000-0x00000000002DE000-memory.dmp

                                        Filesize

                                        376KB