Analysis

  • max time kernel
    7s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 22:38

General

  • Target

    6959a9e67a689b0594edcc00574395e2595f270faf3f8987cbef4d96f50cc7f8.exe

  • Size

    2.0MB

  • MD5

    9917d8f484408ac3887da9a322efe21a

  • SHA1

    bb132243977bbc2c4f64539b81cd880eaa088a89

  • SHA256

    6959a9e67a689b0594edcc00574395e2595f270faf3f8987cbef4d96f50cc7f8

  • SHA512

    2f25eb613b498b0ae06d86581bb8437bef720e41b26d5acd4c44f15e15affa4d80a46131fc26230c9eefc5eddb121bc5dc5a030d63387db2902e47ab636c535e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYT: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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Enumerates connected drives 3 TTPs 46 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 2 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 12 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6959a9e67a689b0594edcc00574395e2595f270faf3f8987cbef4d96f50cc7f8.exe
    "C:\Users\Admin\AppData\Local\Temp\6959a9e67a689b0594edcc00574395e2595f270faf3f8987cbef4d96f50cc7f8.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:1920
    • 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:4128
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 552
          3⤵
          • Program crash
          PID:3512
      • 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:4880
        • 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:2532
        • 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:1732
          • 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:4060
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\susL2L7bA688.bat" "
            4⤵
              PID:4484
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1540
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2712
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2324
                    • 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:1600
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BWWsNJwlYBIR.bat" "
                      6⤵
                        PID:3484
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:780
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1832
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 1772
                          6⤵
                          • Program crash
                          PID:2408
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 2012
                      4⤵
                      • Program crash
                      PID:3504
                • C:\Users\Admin\AppData\Local\Temp\6959a9e67a689b0594edcc00574395e2595f270faf3f8987cbef4d96f50cc7f8.exe
                  "C:\Users\Admin\AppData\Local\Temp\6959a9e67a689b0594edcc00574395e2595f270faf3f8987cbef4d96f50cc7f8.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2556
                • 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:2060
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4128 -ip 4128
                1⤵
                  PID:1892
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Enumerates connected drives
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:5092
                  • 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:2796
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:3600
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 520
                        3⤵
                        • Program crash
                        PID:888
                    • 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
                      PID:4388
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:1040
                    • 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:3944
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2796 -ip 2796
                    1⤵
                      PID:1392
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1732 -ip 1732
                      1⤵
                        PID:4648
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2324 -ip 2324
                        1⤵
                          PID:3612
                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                          1⤵
                            PID:4980
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2968

                            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\BWWsNJwlYBIR.bat

                              Filesize

                              208B

                              MD5

                              e5637e85441c58e24dd3eed17e7326b7

                              SHA1

                              a413d5aa294ab47465abb83412a59310fd8d87ca

                              SHA256

                              5b54654dd9003c11d255d08d82b837323cdb9ae5e306a47e6a00565fa7ed9c50

                              SHA512

                              1c9f0baf8c9b422b70c0566597cea699810ba4619095bed430e1b7002d896fa95169722758676204259a5b4c5adad2b9741695fc85e8cb3bc5dbfedcf7cce7bd

                            • C:\Users\Admin\AppData\Local\Temp\susL2L7bA688.bat

                              Filesize

                              208B

                              MD5

                              6cacfd8e4798d6e06425cbf271e27fe3

                              SHA1

                              aec8e6d82c3127146dbe8bf6993140a55471ed2d

                              SHA256

                              64c9c5d52a4c4110d17d91a0366124989a11bd3dbe88f5ac4a01ec48ff267106

                              SHA512

                              52a53355f3706a057ddeb5d52aa6838d277627e1c2dbd1d3f5022afe27ab45cbcb0b850025953be7849420174dc9e617ae36bec02093ef63537c5c472f80b3d2

                            • 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\07-25-2024

                              Filesize

                              224B

                              MD5

                              4737ad17bf76effa69553b96445f96a8

                              SHA1

                              7ecf59d340f63f7b1c4e675eb9538ccdb3cd5cda

                              SHA256

                              913e9e310442d96aae22af301cf771412739fb5db8f6a1b33a461b18f2c147de

                              SHA512

                              da9ff323293d31426753323185811886f5ffbe8066e348c96b2b1d4c038f433eea71fe6da66a1fc069dc7eafcfeb6306ba1b88aa2e0bd2652aa53d944bacc7d2

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

                              Filesize

                              2.0MB

                              MD5

                              764331bd0684f0db19b1527024659301

                              SHA1

                              5705b1878f4a498fd31fd71714f4c62561806767

                              SHA256

                              20936c0600b67c0304e1d8c74036ad28bf7d182584d9fdaaa4590f1912431591

                              SHA512

                              664156a4645bdedc0d2dccdf85ac58e17a364c7856002fe86a4893ca80d57551fbcef59dab28181710a272ac83a917213da8432b9a632948c24b5d5e56de40e1

                            • memory/1732-46-0x00000000064A0000-0x00000000064AA000-memory.dmp

                              Filesize

                              40KB

                            • memory/1920-19-0x0000000003F60000-0x0000000003F61000-memory.dmp

                              Filesize

                              4KB

                            • memory/2556-28-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/2556-20-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/4880-36-0x0000000006910000-0x000000000694C000-memory.dmp

                              Filesize

                              240KB

                            • memory/4880-35-0x00000000063D0000-0x00000000063E2000-memory.dmp

                              Filesize

                              72KB

                            • memory/4880-34-0x00000000056D0000-0x0000000005736000-memory.dmp

                              Filesize

                              408KB

                            • memory/4880-33-0x0000000005750000-0x00000000057E2000-memory.dmp

                              Filesize

                              584KB

                            • memory/4880-32-0x0000000005D00000-0x00000000062A4000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/4880-29-0x0000000000D80000-0x0000000000DDE000-memory.dmp

                              Filesize

                              376KB