Resubmissions

02-01-2025 21:33

250102-1ejbvswpcv 10

08-12-2024 01:12

241208-bkq68azkep 10

Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 01:12

General

  • Target

    HkMh_3.exe

  • Size

    176KB

  • MD5

    0cae2144249cca11917ce26657fc0281

  • SHA1

    e7ffc36c62c26e987c6954e4739a306a95d119e1

  • SHA256

    5fa749158a4dd5dd030bb97a5ca74a542ae4661b2a76ec69b29d41c3a32e8767

  • SHA512

    50c5ea18407b74fc5d741d602c87a28c0bfebb348a8ff1710026951937b1e9077a353ee0b9bf2eb648b83a60e34a5e934d8b95c1b7e1202933aea875e6975027

  • SSDEEP

    3072:MBFDC2a8kkalMLmNTMeN1vT72dPxIhf+5HS5LTbl2NBX9ZdebJR3u:M/inHlN1vTyTIBEHkTbl2zn0bJR

Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 4 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:380
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:480
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:600
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                4⤵
                  PID:328
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  4⤵
                    PID:1788
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k RPCSS
                  3⤵
                    PID:676
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                    3⤵
                      PID:740
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                      3⤵
                        PID:824
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1048
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:868
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:976
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:276
                              • C:\Windows\system32\taskhost.exe
                                "taskhost.exe"
                                3⤵
                                  PID:1060
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:1080
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:1160
                                    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                      3⤵
                                        PID:336
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:1732
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:2444
                                          • C:\Windows\SysWOW64\rifzsk.exe
                                            C:\Windows\SysWOW64\rifzsk.exe
                                            3⤵
                                            • Executes dropped EXE
                                            • System Location Discovery: System Language Discovery
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:1640
                                        • C:\Windows\system32\lsass.exe
                                          C:\Windows\system32\lsass.exe
                                          2⤵
                                            PID:488
                                          • C:\Windows\system32\lsm.exe
                                            C:\Windows\system32\lsm.exe
                                            2⤵
                                              PID:496
                                          • C:\Windows\system32\csrss.exe
                                            %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                            1⤵
                                              PID:396
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:432
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1148
                                                  • C:\Users\Admin\AppData\Local\Temp\HkMh_3.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\HkMh_3.exe"
                                                    2⤵
                                                    • Drops file in System32 directory
                                                    • System Location Discovery: System Language Discovery
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2092

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Windows\SysWOW64\rifzsk.exe

                                                  Filesize

                                                  176KB

                                                  MD5

                                                  0cae2144249cca11917ce26657fc0281

                                                  SHA1

                                                  e7ffc36c62c26e987c6954e4739a306a95d119e1

                                                  SHA256

                                                  5fa749158a4dd5dd030bb97a5ca74a542ae4661b2a76ec69b29d41c3a32e8767

                                                  SHA512

                                                  50c5ea18407b74fc5d741d602c87a28c0bfebb348a8ff1710026951937b1e9077a353ee0b9bf2eb648b83a60e34a5e934d8b95c1b7e1202933aea875e6975027

                                                • memory/1640-9-0x0000000000400000-0x0000000000431000-memory.dmp

                                                  Filesize

                                                  196KB

                                                • memory/2092-0-0x0000000000400000-0x0000000000431000-memory.dmp

                                                  Filesize

                                                  196KB

                                                • memory/2092-3-0x00000000771A0000-0x00000000771A1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2092-2-0x000000007719F000-0x00000000771A0000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2092-8-0x0000000000400000-0x0000000000431000-memory.dmp

                                                  Filesize

                                                  196KB

                                                • memory/2092-7-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                  Filesize

                                                  48KB

                                                • memory/2092-6-0x000000007719F000-0x00000000771A0000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2092-5-0x00000000771A0000-0x00000000771A1000-memory.dmp

                                                  Filesize

                                                  4KB