Analysis

  • max time kernel
    6s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 00:35

General

  • Target

    829c777001de1d44411864cb0c21ce0e.exe

  • Size

    2.0MB

  • MD5

    829c777001de1d44411864cb0c21ce0e

  • SHA1

    174bee34cb582790c829df66c6880badd7f0d650

  • SHA256

    07132c3eccb3207c8735ca67f1078e18bad1f62d3e881b58fda07c1766ceb78d

  • SHA512

    671e857bb1320eedf9cd86f8aa1ae58e91d835a75c615376603d4e226b5414fc7e522b40ce76847a3c9cad697adabf44a8a090028c6878a35685c151e8f22ed8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

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\829c777001de1d44411864cb0c21ce0e.exe
    "C:\Users\Admin\AppData\Local\Temp\829c777001de1d44411864cb0c21ce0e.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:1940
    • 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:4636
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 548
          3⤵
          • Program crash
          PID:2160
      • 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:2972
        • 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:3492
        • 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:3296
          • 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:64
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9e5tFa33Nw40.bat" "
            4⤵
              PID:3948
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1860
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1172
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1188
                    • 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:228
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AUCZQ1IS7pPY.bat" "
                      6⤵
                        PID:4568
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1972
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1544
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1268
                              • 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:812
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 2244
                            6⤵
                            • Program crash
                            PID:932
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 2228
                        4⤵
                        • Program crash
                        PID:3316
                  • C:\Users\Admin\AppData\Local\Temp\829c777001de1d44411864cb0c21ce0e.exe
                    "C:\Users\Admin\AppData\Local\Temp\829c777001de1d44411864cb0c21ce0e.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4016
                  • 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:628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4636 -ip 4636
                  1⤵
                    PID:2896
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2272
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2408
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1908
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 520
                              3⤵
                              • Program crash
                              PID:2804
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2748
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2764
                              • 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:1436
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2408 -ip 2408
                              1⤵
                                PID:1772
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3296 -ip 3296
                                1⤵
                                  PID:1424
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1188 -ip 1188
                                  1⤵
                                    PID:2996
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:396
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:456
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:64
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:3016

                                          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\9e5tFa33Nw40.bat

                                            Filesize

                                            208B

                                            MD5

                                            4e529c11f9ea6ce3b84f5cc8d277793f

                                            SHA1

                                            c8c6b3a7bb07d4b1a4e8f673f2c0b8f3b7966062

                                            SHA256

                                            227b0b8b0fc38ac26004ff05649be87c5f2da8781c838507cebf514630ed84e9

                                            SHA512

                                            89319de6536a9b76f553fb2b168e5ec3c72a5ac45a417e65f6d6d8d01a8127f55ababdf148e9df9c0372efcfe7c6a8874ae238e3eb6807637d62cacadb9910de

                                          • C:\Users\Admin\AppData\Local\Temp\AUCZQ1IS7pPY.bat

                                            Filesize

                                            208B

                                            MD5

                                            2679573e6f8e8efcf78f21f63a270441

                                            SHA1

                                            f6c8294200ba66f9fdad72cde413fc80997160c0

                                            SHA256

                                            ad4feaa1a1e4e425e786a9512e6ae55dbf77f0865ddbf9c64e48f5467b28b1c3

                                            SHA512

                                            e5021da56166b709229408604769b423ef0f707cbed3f600ecce87bf85b0382869175dfa382e17e89e6f864f9f965da44775ec2ce1b5f024db0f212112b85fe9

                                          • 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\09-18-2024

                                            Filesize

                                            224B

                                            MD5

                                            68c711fe3af541645fcc285bfa5be02e

                                            SHA1

                                            a1db877a97e1fd728d7c7de82c006ddbdc4f9dfe

                                            SHA256

                                            0f7c9b0b540e2a3be77a7bcbc56882f4f5fa01321ef749f4499bda5525b85155

                                            SHA512

                                            e3dbf6d478aba6daa3c75cf6a543826660d11d43acc1b87ba207bd83581cbc0fa89fcd5b57987d14f7e62b576cb95443c279a6da1b0813b343229dad4b90ce10

                                          • C:\Users\Admin\AppData\Roaming\Logs\09-18-2024

                                            Filesize

                                            224B

                                            MD5

                                            6219c418966e322b1f4df4dc852572ef

                                            SHA1

                                            63a11dc4edf7ed5196479e66d7a64e7a0140c8ed

                                            SHA256

                                            f1d77329853190418ff842b354b8e3617e1484f294f547ba1144db3ffa43b51e

                                            SHA512

                                            751b03234bb5878c2a003a301f0376ec7561356f2413c9e8ccfc3c8fd2858ddd8e6d7ada153e6112196f0ca5b601c23650a9055845c2b8dad0a1b29e818a2eab

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            e6459aa8c87522fb66ddcddb90a36362

                                            SHA1

                                            c870e4724a8d5252e0061271afefec993615bc7f

                                            SHA256

                                            6e074d1bc0a9f0bca8b223c057aa49a17fd9e998d1f98e1005215b2b0e32313c

                                            SHA512

                                            d572da113cb4041a2c6f9c2b0e351083a6f37a21e5c099e1400093fa16c3c11fab394fcaa69945afd5f271f91fd0d4a90cb8f68358c0378066075bf8723035d9

                                          • memory/1940-18-0x00000000044E0000-0x00000000044E1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2972-29-0x0000000072F6E000-0x0000000072F6F000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2972-32-0x00000000000C0000-0x000000000011E000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/2972-33-0x00000000050F0000-0x0000000005694000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/2972-34-0x0000000004A90000-0x0000000004B22000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/2972-35-0x00000000049F0000-0x0000000004A56000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/2972-36-0x0000000005040000-0x0000000005052000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2972-37-0x0000000005C40000-0x0000000005C7C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/3296-45-0x00000000064A0000-0x00000000064AA000-memory.dmp

                                            Filesize

                                            40KB

                                          • memory/4016-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4016-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB