Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 04:17

General

  • Target

    5d0c9b44d10f00508a26b4356910a1050ab8b3a0ee4303770e63d03676ada835.exe

  • Size

    2.0MB

  • MD5

    ab18ca55852e0a5244426ffe9b1fbe6d

  • SHA1

    d12de2b372a53fd12864e91b48574297b1ce056c

  • SHA256

    5d0c9b44d10f00508a26b4356910a1050ab8b3a0ee4303770e63d03676ada835

  • SHA512

    deff7854dc391b446cea2ec35bc06a4658e3b4b04f6661a4133b3742e3923f8218b7d759cb86fbc67930885354c3ebb76a06068fd8a8c7f75e6b0a53a2a05a2b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

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\5d0c9b44d10f00508a26b4356910a1050ab8b3a0ee4303770e63d03676ada835.exe
    "C:\Users\Admin\AppData\Local\Temp\5d0c9b44d10f00508a26b4356910a1050ab8b3a0ee4303770e63d03676ada835.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:2732
    • 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:4532
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 548
          3⤵
          • Program crash
          PID:1472
      • 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:3080
        • 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:5004
        • 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:2640
          • 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:1336
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZXPSnU8qKcfp.bat" "
            4⤵
              PID:1972
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:5008
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3356
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2812
                    • 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:5052
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XzXVw2LEZeqd.bat" "
                      6⤵
                        PID:5108
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3640
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2400
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 2228
                          6⤵
                          • Program crash
                          PID:1328
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 2240
                      4⤵
                      • Program crash
                      PID:1092
                • C:\Users\Admin\AppData\Local\Temp\5d0c9b44d10f00508a26b4356910a1050ab8b3a0ee4303770e63d03676ada835.exe
                  "C:\Users\Admin\AppData\Local\Temp\5d0c9b44d10f00508a26b4356910a1050ab8b3a0ee4303770e63d03676ada835.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:724
                • 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:4568
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4532 -ip 4532
                1⤵
                  PID:4476
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:4632
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:1932
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:1504
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 520
                            3⤵
                            • Program crash
                            PID:2224
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:364
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:1520
                            • 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:4748
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1932 -ip 1932
                            1⤵
                              PID:3420
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2640 -ip 2640
                              1⤵
                                PID:4716
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2812 -ip 2812
                                1⤵
                                  PID:2300

                                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\XzXVw2LEZeqd.bat

                                  Filesize

                                  208B

                                  MD5

                                  65c223cb42e5ccb84c15cce802f97d00

                                  SHA1

                                  36347b067e2964119bffb42b42534a55b4ce9b02

                                  SHA256

                                  b37c944a13c56665c751ec8500c5d924369be1957a3bf9e344cbac80071b1958

                                  SHA512

                                  7eb825c32a304d608bd05ff318df49dd89a01931090236a5e165be1c180f72325602cf442f5ecbeeda7bd831909d238e86db5024a0ecfaaf4b2f352ed1f10cdc

                                • C:\Users\Admin\AppData\Local\Temp\ZXPSnU8qKcfp.bat

                                  Filesize

                                  208B

                                  MD5

                                  a3ce69dead950a3145825b06f109c94e

                                  SHA1

                                  40941942faf9d159cfa0eb101304666a0b2cf052

                                  SHA256

                                  3027ce22e766c623603ad64a77bb2f9772a08c89123486946a64cf1c6ac14846

                                  SHA512

                                  c9a4e9fce97c7efeec62b560a59b57acb4bca7c57a2b9bb9a41686fe33a3b9cbc8a8aee641f4c238cd6c3aa45dc28dfa0c2f43e16d4ed8ace337403ce0623663

                                • 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\01-24-2025

                                  Filesize

                                  224B

                                  MD5

                                  68f91d852598c265fea0b29be5256395

                                  SHA1

                                  85ff929a217acdc585ab8f3d5dd09ad597a141b1

                                  SHA256

                                  4fe7ecae8e480ffdfea45f08366b810bbd830a41bcdbfd077a234875179e6347

                                  SHA512

                                  4d14e5000c221cfa961351136a0fa6f857c876979b9439c8ec79337821152b3cf4075b94bd79f1d4b2f6641d6826b950850e77e11c36a81b630904e95cff3ba2

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  0630494143a46a0837181fe59c9712a0

                                  SHA1

                                  75f5745bf9dbe9264f4d0bef9b2facf8a1449321

                                  SHA256

                                  2b8d2ad807a88f2a804ad37489ff8879f855809b7a31185418ea29e288f83918

                                  SHA512

                                  4e56512e2cf769e1ae9dea096829e82640632e0b553bd0e7ba444249ec0cbe215b2be99be407711392f4a7277cfde7450003bb2418a34077974143a8458f8899

                                • memory/724-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/724-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2640-44-0x0000000006940000-0x000000000694A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/2732-18-0x00000000012C0000-0x00000000012C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3080-36-0x0000000006880000-0x00000000068BC000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/3080-35-0x0000000006340000-0x0000000006352000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3080-34-0x0000000005620000-0x0000000005686000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/3080-33-0x00000000056E0000-0x0000000005772000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/3080-32-0x0000000005C90000-0x0000000006234000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/3080-31-0x0000000000D10000-0x0000000000D6E000-memory.dmp

                                  Filesize

                                  376KB