Analysis

  • max time kernel
    5s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 12:44

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    129a0510883f6ae00a92d2e01d2a44be

  • SHA1

    af439e5a6adb421f516dbb12846510445b10998b

  • SHA256

    0d2e6a07b622d817482a0239b69a67a300922bb58e8d96551f6400ce362f2e43

  • SHA512

    aefef5f1257dd792d57616b9a8bb9774c8a4eb7b4777acec417e0971355bf0377c485d6a0d077f82cf7cc9f97cca3993e4dd7114bc9d2bb12a30d2e0f5573ae3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YX

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 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\SystemPropertiesPerformance.exe
    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.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:920
    • 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:5020
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 564
          3⤵
          • Program crash
          PID:2720
      • 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:2152
        • 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:3804
        • 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:2764
          • 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:2404
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IA54v7uhigOa.bat" "
            4⤵
              PID:4080
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1668
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4384
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4928
                    • 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:4140
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\uu2hrfx2zomu.bat" "
                      6⤵
                        PID:2096
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2560
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3232
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 2244
                          6⤵
                          • Program crash
                          PID:1696
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 2244
                      4⤵
                      • Program crash
                      PID:4008
                • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
                  "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1260
                • 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:652
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5020 -ip 5020
                1⤵
                  PID:1628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2764 -ip 2764
                  1⤵
                    PID:3056
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3592
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2056
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1084
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 520
                              3⤵
                              • Program crash
                              PID:5076
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2980
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2328
                              • 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:1848
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2056 -ip 2056
                              1⤵
                                PID:4636
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4928 -ip 4928
                                1⤵
                                  PID:1192
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3524
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1624
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3704
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:4948
                                          • C:\Windows\explorer.exe
                                            explorer.exe /LOADSAVEDWINDOWS
                                            2⤵
                                              PID:5112

                                          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\IA54v7uhigOa.bat

                                            Filesize

                                            208B

                                            MD5

                                            55ddc220c54c7db058e110d1fc55fbde

                                            SHA1

                                            b8b600389ef4c160eb0e4b671a66a8dbe5558672

                                            SHA256

                                            dc2596fd1e39ecd9d43213db307f234f29184279b5c607d57c02096c7397488a

                                            SHA512

                                            4945e237ec22b1e12f6b4e1bda3c474aa634131e9b77f227abafe4bbf36ad6ad613760010f6d50fc08bac6e79107597ce273f72d09123c03c4becbe38eb6dd31

                                          • C:\Users\Admin\AppData\Local\Temp\uu2hrfx2zomu.bat

                                            Filesize

                                            208B

                                            MD5

                                            93837644d0e43f84f80d39ce6571d366

                                            SHA1

                                            01f9ce0bce97ef7b30791d99c8f024f7d1110b3d

                                            SHA256

                                            fc1a6c043eeb6838dd9d27676d3656f95db5a773604acebd6468577b62be39fe

                                            SHA512

                                            2b318d9b3e7b0d857f1801e7817a1d4f8e26d88276eac2cac38da614785ad83bd2e32f44b9f3a06e4a92978f0d6ebe1f62afda2dd4eb2eb9dbd267704e201442

                                          • 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\09-17-2024

                                            Filesize

                                            224B

                                            MD5

                                            20d1244c70189265fe9021cc069de1cd

                                            SHA1

                                            ebb5ad06e5694ed835cbf7309895c7c5383a9104

                                            SHA256

                                            392b412d31e351747a37ff065575d3eedfb32a0af1882f687bce883aef7b5975

                                            SHA512

                                            e0ca5caab5bd134ba0945e70a033f4fba19762174a90d990ad2bcb5112d3757fda93bf4d0c1adaa55bf8b6950be4a0740d96503ca62fcba7bc62eff9d45ab4c1

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            37b92b82a124a2a40d17e08dc663025b

                                            SHA1

                                            ce9f96c1ee012d8b7ea1f9c82cbc3d33525c0e00

                                            SHA256

                                            3bf373e70682e89e9d4050003255190ce6ee61c96b56fbf0ba5d48dbfdd1850b

                                            SHA512

                                            f891eb703a4cfb2a6dd6e5e2522181cfedcbf221e8acd74434d6eaa52900fb03f2ad450c137354cd0ebaa7c2a0baac33a6516834a20839d1ae9b427be0390037

                                          • memory/920-19-0x0000000004020000-0x0000000004021000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1260-28-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1260-20-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/2152-29-0x0000000072EFE000-0x0000000072EFF000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2152-37-0x0000000005E30000-0x0000000005E6C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/2152-36-0x00000000058F0000-0x0000000005902000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2152-35-0x0000000004CA0000-0x0000000004D06000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/2152-34-0x0000000004C00000-0x0000000004C92000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/2152-33-0x0000000005110000-0x00000000056B4000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/2152-30-0x0000000000190000-0x00000000001EE000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/2328-74-0x00000000008C0000-0x00000000008E0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/2328-80-0x00000000008C0000-0x00000000008E0000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/2764-45-0x0000000006280000-0x000000000628A000-memory.dmp

                                            Filesize

                                            40KB