Analysis

  • max time kernel
    4s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 23:54

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    1c990f90b5e821825afe64e3b15eadec

  • SHA1

    c217d4abb7a9f19589e59e252ed781e36b9e99d8

  • SHA256

    409c5e0592dd38bf0d316a06bbe0d73732b07a4cc6bae85aae87a1f4c56c6f62

  • SHA512

    59176d283118f56d78e665a40441defdfd91ddd6d29965c2b76d25f72eeadc2bc9a23c5683b88fea55b7d87517b490b5b7c2f13b028e4c1746ed1270b314125c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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\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:3472
    • 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:3200
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 548
          3⤵
          • Program crash
          PID:4692
      • 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:804
        • 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:772
        • 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:4996
          • 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:4780
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eodWj7dpG8MA.bat" "
            4⤵
              PID:4360
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:632
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4580
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1488
                    • 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:2744
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Dzgo0HjKQPCz.bat" "
                      6⤵
                        PID:3104
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3336
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2608
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2788
                              • 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:716
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 2236
                            6⤵
                            • Program crash
                            PID:3492
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 1996
                        4⤵
                        • Program crash
                        PID:640
                  • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
                    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3456
                  • 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⤵
                    • Quasar RAT
                    • System Location Discovery: System Language Discovery
                    • Scheduled Task/Job: Scheduled Task
                    PID:4304
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3200 -ip 3200
                  1⤵
                    PID:4752
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4996 -ip 4996
                    1⤵
                      PID:548
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2840
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3584
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2136
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 520
                                3⤵
                                • Program crash
                                PID:2196
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1980
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1580
                                • 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:2784
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3584 -ip 3584
                                1⤵
                                  PID:616
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1488 -ip 1488
                                  1⤵
                                    PID:3708
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2056
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:216
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:4872

                                        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\Dzgo0HjKQPCz.bat

                                          Filesize

                                          208B

                                          MD5

                                          1cb434db60851e33442fa421a806161f

                                          SHA1

                                          5dada50b661aaf03e0d41bbf7774d0e336e286b0

                                          SHA256

                                          63324d3e675996ffe5e8002ed00ad169406f00c3f5a4f8b6d865dd08126ec86f

                                          SHA512

                                          262e7f5da23c1d3e7daf4e88fc746e82b23d8695c160d4d9a823203e050e5a3564dc4598f4906b42b3cdc16834f46fda83f3ec1aac203fec452b80241b94d613

                                        • C:\Users\Admin\AppData\Local\Temp\eodWj7dpG8MA.bat

                                          Filesize

                                          208B

                                          MD5

                                          cb3c9ec91d0cd86abc74db3e35906816

                                          SHA1

                                          4931cb7e7835a476aaeca309ba103ab5e9f409f7

                                          SHA256

                                          8bc48f92d0c1c0877af4427133ec49a8a28068a9745b052df5c646ba2a1c141e

                                          SHA512

                                          746febc1cc853b64b8884dbe4c817f74599688315759779075ab8387b980134c2ece63be0bf14492ee1e08f0731375d095a41644ca62ee0ea666ea711c9117e3

                                        • 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\09-16-2024

                                          Filesize

                                          224B

                                          MD5

                                          5f437ac4b2cd93e007ca1ce2a9ac7c22

                                          SHA1

                                          b33f5f32790646683a081b7d2ae9dea95478153d

                                          SHA256

                                          a722e829b5a87f35c6f5c74967313402a76a1ae10335adbfeef64be5833e1d3c

                                          SHA512

                                          326b8f81d7fa7972bc8968714b3ae3cbb0335cd7ba4f3f44188fb814d1743e1eb02fc9739a6e420d0be72d4497e53815595d8f94d78164cf1a7b1f92313f168c

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-16-2024

                                          Filesize

                                          224B

                                          MD5

                                          67ec98d2a665236dcdbcb33141bf615e

                                          SHA1

                                          1b57d05036e21d50d264bcb8b2f97c47a0a08e3a

                                          SHA256

                                          3c83b656862618073e72c3e816dc7fdcdcf6128b033902ef54f4a91b03b43410

                                          SHA512

                                          8c00b1c0a043128ee1922d92ae8ae9d9cd95d648b30f3ce8d811b24bc22384ae11dbb9e3fc166d6609c0cacd09dacb3f95cdc38531f50ac96be34c4a310649c1

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          188ff80e8873df56c5cae946fa2ccd61

                                          SHA1

                                          7a5252eaf9ae27410493654fc9a587e102930a93

                                          SHA256

                                          74bc0447e45417b3f998662ef5e1ffe0ed503aa263094eb750e40c4f27024a7d

                                          SHA512

                                          c67af6ab1b0cb8584913f36852cafd137214f3b4fbe2daee933fb0f67b7baf41277c7c05d0d523f23b10bab82b50b68101c120bb64d2911d4c77affe46c28f8d

                                        • memory/804-29-0x0000000072B7E000-0x0000000072B7F000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/804-35-0x0000000005260000-0x00000000052C6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/804-36-0x0000000005E80000-0x0000000005E92000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/804-37-0x00000000063C0000-0x00000000063FC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/804-34-0x00000000051C0000-0x0000000005252000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/804-33-0x00000000056D0000-0x0000000005C74000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/804-32-0x0000000000840000-0x000000000089E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/1580-74-0x0000000000C40000-0x0000000000C60000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1580-80-0x0000000000C40000-0x0000000000C60000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3456-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3456-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3472-19-0x00000000042B0000-0x00000000042B1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4996-45-0x0000000005F10000-0x0000000005F1A000-memory.dmp

                                          Filesize

                                          40KB