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
    16-01-2025 10:03

General

  • Target

    da56d33bb9ff4809ae450a869cab0efb459d70e65075ede77f5ca2beb9e5a687.exe

  • Size

    2.0MB

  • MD5

    3ac723fe5085fd0858933afd227e7582

  • SHA1

    9602d5ef06432ec7f0e46a35de00d2927009cf64

  • SHA256

    da56d33bb9ff4809ae450a869cab0efb459d70e65075ede77f5ca2beb9e5a687

  • SHA512

    d43c8a60cb33455985ee435ec86200768e6514bdd75d1751f7ff73392c986821cc5419d843c2272cc1571e82b2a50cdf622f99b8d15bd32f911967dcc1fed62d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yh

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 3 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\da56d33bb9ff4809ae450a869cab0efb459d70e65075ede77f5ca2beb9e5a687.exe
    "C:\Users\Admin\AppData\Local\Temp\da56d33bb9ff4809ae450a869cab0efb459d70e65075ede77f5ca2beb9e5a687.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:4636
    • 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:672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 548
          3⤵
          • Program crash
          PID:4080
      • 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:5000
        • 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:4500
        • 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:1096
          • 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:3768
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zV87RXic5Z2h.bat" "
            4⤵
              PID:1948
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1980
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4428
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3336
                    • 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:1100
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 2016
                  4⤵
                  • Program crash
                  PID:4268
            • C:\Users\Admin\AppData\Local\Temp\da56d33bb9ff4809ae450a869cab0efb459d70e65075ede77f5ca2beb9e5a687.exe
              "C:\Users\Admin\AppData\Local\Temp\da56d33bb9ff4809ae450a869cab0efb459d70e65075ede77f5ca2beb9e5a687.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4324
            • 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:1392
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 672 -ip 672
            1⤵
              PID:3408
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1096 -ip 1096
              1⤵
                PID:1636
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3792
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:612
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2292
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 612 -s 520
                          3⤵
                          • Program crash
                          PID:2008
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:2380
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:3316
                          • 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:116
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 612 -ip 612
                          1⤵
                            PID:3964
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:3528

                            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\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\zV87RXic5Z2h.bat

                              Filesize

                              208B

                              MD5

                              1cecedab954891a40b645467316d2e51

                              SHA1

                              ac798e829b8090e5aa322ee9b2aae9792c904166

                              SHA256

                              6d0d66605e317a49234e35f1c6a185684fc6de52fb0113c35ac3d265102c0cb2

                              SHA512

                              ce7d1e88148c34cf244910c6e6a64774d9fa8cd5d2a10777ead76f7a520114552f360ccae787eb325ee69d957ddf8599dae2569d3daf04b497a63d1ff3a17ec2

                            • C:\Users\Admin\AppData\Roaming\Logs\01-16-2025

                              Filesize

                              224B

                              MD5

                              d5dbc13a2d3ba892507ea8d37fe33a34

                              SHA1

                              c2954fe7f523857619c35d439bec67b6ddb098d2

                              SHA256

                              b6b39181350ddfa08de0dcdaec713326cdbca23a77ecc620e2fe47761725f63e

                              SHA512

                              8a8a2bba8ad98e10aba41f3a826b82a5769401d1e3f0d0aaff6a3acd8d747dd8a232978cf22a44cf6eab14dff6a697f740ad93411af7a415e5da4222c4f55df1

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

                              Filesize

                              2.0MB

                              MD5

                              ea98b99dcc77c2ca051e0af2a3e8c970

                              SHA1

                              362ca17efbd7e36b448ecdbbf5626b2e62de83f4

                              SHA256

                              347c388fdc9b349b784c849608f3092e8329415df51359c2d3fc4e7533d9e2cb

                              SHA512

                              654af9ee9acb1ebc2b45a62270aa24bc35cdad9368ceb306ff5d6031af511f12d85fd531d5caca7a6917a2e2821293b74e4cc7d7074c3aa5fcd631e267c0e352

                            • memory/1096-45-0x0000000006BA0000-0x0000000006BAA000-memory.dmp

                              Filesize

                              40KB

                            • memory/3316-80-0x0000000000100000-0x0000000000120000-memory.dmp

                              Filesize

                              128KB

                            • memory/3316-74-0x0000000000100000-0x0000000000120000-memory.dmp

                              Filesize

                              128KB

                            • memory/4324-28-0x0000000000F70000-0x0000000000F90000-memory.dmp

                              Filesize

                              128KB

                            • memory/4324-20-0x0000000000F70000-0x0000000000F90000-memory.dmp

                              Filesize

                              128KB

                            • memory/4636-19-0x00000000020F0000-0x00000000020F1000-memory.dmp

                              Filesize

                              4KB

                            • memory/5000-36-0x0000000005E40000-0x0000000005E52000-memory.dmp

                              Filesize

                              72KB

                            • memory/5000-37-0x0000000006380000-0x00000000063BC000-memory.dmp

                              Filesize

                              240KB

                            • memory/5000-35-0x0000000005230000-0x0000000005296000-memory.dmp

                              Filesize

                              408KB

                            • memory/5000-34-0x0000000005190000-0x0000000005222000-memory.dmp

                              Filesize

                              584KB

                            • memory/5000-33-0x0000000005630000-0x0000000005BD4000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/5000-32-0x00000000006C0000-0x000000000071E000-memory.dmp

                              Filesize

                              376KB

                            • memory/5000-29-0x000000007395E000-0x000000007395F000-memory.dmp

                              Filesize

                              4KB