Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 21:06

General

  • Target

    8973d3c21497e4a9fae1bbf6159f9180N.exe

  • Size

    2.0MB

  • MD5

    8973d3c21497e4a9fae1bbf6159f9180

  • SHA1

    94e06796ab80d7390596cfbedde1c5e6d014ec46

  • SHA256

    e846bdd9906220e2b67264471be1a34bd1acbf47336d343808de6294a3f06253

  • SHA512

    35ca28413578c3ad1bbfb912bb666eff715b4f7d83c0661d5c922b8c6b012b9c67dc36b9c1a486a11e54bda52facac32085cbe3428137b89e30866bb35938eb3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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 6 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\8973d3c21497e4a9fae1bbf6159f9180N.exe
    "C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.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:1176
    • 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:2980
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 548
          3⤵
          • Program crash
          PID:2208
      • 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:4592
        • 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:3744
        • 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:1448
          • 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:2352
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zrSZoMx3Pf39.bat" "
            4⤵
              PID:828
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4484
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2556
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3644
                    • 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:1160
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\R0tOV1iwXKUA.bat" "
                      6⤵
                        PID:1488
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3200
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4652
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4448
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4288
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 2268
                            6⤵
                            • Program crash
                            PID:4000
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 2288
                        4⤵
                        • Program crash
                        PID:3076
                  • C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.exe
                    "C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2832
                  • 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:4828
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2980 -ip 2980
                  1⤵
                    PID:4496
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1892
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1912
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2684
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 520
                              3⤵
                              • Program crash
                              PID:2024
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2356
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3236
                              • 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:4052
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1912 -ip 1912
                              1⤵
                                PID:4676
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1448 -ip 1448
                                1⤵
                                  PID:3600
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3644 -ip 3644
                                  1⤵
                                    PID:4616
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1304
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4160

                                      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\R0tOV1iwXKUA.bat

                                        Filesize

                                        208B

                                        MD5

                                        721f9b2fc99812768507d0e32a18b938

                                        SHA1

                                        72adc38557dc9ebc82768a844551cc7b26d93dbe

                                        SHA256

                                        b83841966665b86866e0be438c55f7b0d4dbdafcbed64782ee1ecfd4bbce3736

                                        SHA512

                                        ff4e7cd6ee981ecee7408d424bbc32dd08f240b34e98555596d84f6d5af88a10b6c803cdd01e49ac1f1817976ff6afb86800692cbeebbda5698aa4024407dd1b

                                      • 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\zrSZoMx3Pf39.bat

                                        Filesize

                                        208B

                                        MD5

                                        37ef79873ffedb1624f545f793131d70

                                        SHA1

                                        3e0b2c090a3a8f9f98d493681da4d997ca5e45d8

                                        SHA256

                                        2feb90d34cf271e40cbf4c96b685b4fcb85bedd852dcd7fb93a25cab08321eaa

                                        SHA512

                                        76bd843c0996e1e6e2cf1bc7a9fea5c6816852bd9f16ad708a0e88a7c522c3b9af45e0887399a4408e48ae7e2afab924213aa2f20ff3a99bd181aa04d3c144f1

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-13-2024

                                        Filesize

                                        224B

                                        MD5

                                        e43f5cd02c2eb8d088862536a0fbf9f8

                                        SHA1

                                        b7591be04a2827a37fbc02b38ad88cb385501d4c

                                        SHA256

                                        1a2b6f22a05dca543a56eb65ea6f0fc47c270bfc775051096f5b308887beb054

                                        SHA512

                                        88c0650c6ea8c6a77bb7c16df6c5e33747e2516f7f395233f265b643f14260a043bbb7ec327b7c8fe9c804d66a5b404271dbe353a139f08bf5e9738eeb609277

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-13-2024

                                        Filesize

                                        224B

                                        MD5

                                        f14281c6e9ca93269a9b4c24b88be227

                                        SHA1

                                        52b5d349d61501620dcf894853e67b5ccad51e1f

                                        SHA256

                                        22b362c040da2e9aa8a41929bde7f4487100804e4cf835c1e6a4f0a66ecba429

                                        SHA512

                                        f9334bffe8538137371243629c16f7381b2e5c27ae5025559eebbe46cceafe2d74797a9ae757b9fb2bb40d0030aac88f33bb766c8146032cf47ecfeb16e2849f

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        d3511b3b10ceaf3d466601d286a3d827

                                        SHA1

                                        aaf12c56b2a41b2fd32f6a236a271ae260bbc826

                                        SHA256

                                        8a88173e3672b7c5a0514c7e2685da2dc7de0943d295d0b32101bfb51b380354

                                        SHA512

                                        a077764a85b1c6652e4708f75dfba927cae6e49476f4951f9b158e4c6ee2f38beeea7b4430c9597f19498d7dd96c6ecc535c50e7ff4e38d73a0573c0ca144f00

                                      • memory/1176-20-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1448-45-0x0000000006390000-0x000000000639A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2832-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2832-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4592-37-0x0000000006920000-0x000000000695C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4592-36-0x00000000063E0000-0x00000000063F2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4592-35-0x00000000056A0000-0x0000000005706000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4592-34-0x0000000005780000-0x0000000005812000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4592-31-0x0000000005D30000-0x00000000062D4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4592-30-0x0000000000D80000-0x0000000000DDE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4592-19-0x0000000072EBE000-0x0000000072EBF000-memory.dmp

                                        Filesize

                                        4KB