Analysis

  • max time kernel
    154s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-06-2022 13:47

General

  • Target

    20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75.exe

  • Size

    260KB

  • MD5

    27fe3482f2f12435310a3c84544f4f0b

  • SHA1

    dcef2cd3c551bf22b748556d7cdcd439a6cc5274

  • SHA256

    20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75

  • SHA512

    2324d9e10f410c3573d99dcdf3daf0960965e0e09a5134d21ad25e9cf6d0f91919e38cf37513b27baa25c3ade79825096dd88c50dfa5ddb82ff8ed36c32b2c48

Malware Config

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

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

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75.exe
    "C:\Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75Srv.exe
      C:\Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75Srv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:1016
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1200
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          PID:2020
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2020 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:544
  • C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    1⤵
      PID:1932
    • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      1⤵
        PID:1652
      • C:\Windows\system32\sppsvc.exe
        C:\Windows\system32\sppsvc.exe
        1⤵
          PID:1748
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
          1⤵
            PID:1732
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:1264
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              1⤵
                PID:1184
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                1⤵
                  PID:1136
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  1⤵
                    PID:1080
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    1⤵
                      PID:1032
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      1⤵
                        PID:300
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        1⤵
                          PID:884
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          1⤵
                            PID:856
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            1⤵
                              PID:816
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              1⤵
                                PID:764
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                1⤵
                                  PID:680
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  1⤵
                                    PID:604
                                  • C:\Windows\system32\lsm.exe
                                    C:\Windows\system32\lsm.exe
                                    1⤵
                                      PID:488
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      1⤵
                                        PID:480
                                      • C:\Windows\system32\services.exe
                                        C:\Windows\system32\services.exe
                                        1⤵
                                          PID:464
                                        • C:\Windows\system32\winlogon.exe
                                          winlogon.exe
                                          1⤵
                                            PID:420
                                          • 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:384
                                            • C:\Windows\system32\wininit.exe
                                              wininit.exe
                                              1⤵
                                                PID:372

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

                                                Filesize

                                                84KB

                                                MD5

                                                5cdc5ad14f0f7476711d2ab65607fe5b

                                                SHA1

                                                d03fa4a202afc929725f969471a8c1d5943fd12a

                                                SHA256

                                                4e7d57da4995611e1451846e7a08017a4fbca09215a31707d6ac2957b71f5a97

                                                SHA512

                                                b0a0c1367efcd37c827306ca5ebad1cd6fca695d12746df1686a3f9ee1d59698ef82ba98b5e697f311168a63533d7046729eae921ce177213183253ea815a9a2

                                              • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

                                                Filesize

                                                84KB

                                                MD5

                                                5cdc5ad14f0f7476711d2ab65607fe5b

                                                SHA1

                                                d03fa4a202afc929725f969471a8c1d5943fd12a

                                                SHA256

                                                4e7d57da4995611e1451846e7a08017a4fbca09215a31707d6ac2957b71f5a97

                                                SHA512

                                                b0a0c1367efcd37c827306ca5ebad1cd6fca695d12746df1686a3f9ee1d59698ef82ba98b5e697f311168a63533d7046729eae921ce177213183253ea815a9a2

                                              • C:\Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75Srv.exe

                                                Filesize

                                                84KB

                                                MD5

                                                5cdc5ad14f0f7476711d2ab65607fe5b

                                                SHA1

                                                d03fa4a202afc929725f969471a8c1d5943fd12a

                                                SHA256

                                                4e7d57da4995611e1451846e7a08017a4fbca09215a31707d6ac2957b71f5a97

                                                SHA512

                                                b0a0c1367efcd37c827306ca5ebad1cd6fca695d12746df1686a3f9ee1d59698ef82ba98b5e697f311168a63533d7046729eae921ce177213183253ea815a9a2

                                              • C:\Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75Srv.exe

                                                Filesize

                                                84KB

                                                MD5

                                                5cdc5ad14f0f7476711d2ab65607fe5b

                                                SHA1

                                                d03fa4a202afc929725f969471a8c1d5943fd12a

                                                SHA256

                                                4e7d57da4995611e1451846e7a08017a4fbca09215a31707d6ac2957b71f5a97

                                                SHA512

                                                b0a0c1367efcd37c827306ca5ebad1cd6fca695d12746df1686a3f9ee1d59698ef82ba98b5e697f311168a63533d7046729eae921ce177213183253ea815a9a2

                                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7AZV37Q6.txt

                                                Filesize

                                                599B

                                                MD5

                                                a27f6a6e5faa25a49223aa5c4325174d

                                                SHA1

                                                a99a8083bbe97c0eed4eec7e04cf61d7f28cbb59

                                                SHA256

                                                223c3c53056437c2b1159eb04d549b225bd3f634d4522e9149f165987e2d19ee

                                                SHA512

                                                ddf839236028c4f0aa07f9d929fd0563566b78f2c624a8ddfa51701ae40a3da028ed09398b7218210465c3f2c95b58256a198c6f0cac252ee092ee33703fe7e6

                                              • \Program Files (x86)\Microsoft\DesktopLayer.exe

                                                Filesize

                                                84KB

                                                MD5

                                                5cdc5ad14f0f7476711d2ab65607fe5b

                                                SHA1

                                                d03fa4a202afc929725f969471a8c1d5943fd12a

                                                SHA256

                                                4e7d57da4995611e1451846e7a08017a4fbca09215a31707d6ac2957b71f5a97

                                                SHA512

                                                b0a0c1367efcd37c827306ca5ebad1cd6fca695d12746df1686a3f9ee1d59698ef82ba98b5e697f311168a63533d7046729eae921ce177213183253ea815a9a2

                                              • \Users\Admin\AppData\Local\Temp\20105bd3112e1467d5081400343a6c4baa915c12012db77fadddd5a84e7a0b75Srv.exe

                                                Filesize

                                                84KB

                                                MD5

                                                5cdc5ad14f0f7476711d2ab65607fe5b

                                                SHA1

                                                d03fa4a202afc929725f969471a8c1d5943fd12a

                                                SHA256

                                                4e7d57da4995611e1451846e7a08017a4fbca09215a31707d6ac2957b71f5a97

                                                SHA512

                                                b0a0c1367efcd37c827306ca5ebad1cd6fca695d12746df1686a3f9ee1d59698ef82ba98b5e697f311168a63533d7046729eae921ce177213183253ea815a9a2

                                              • memory/1016-63-0x0000000000400000-0x0000000000435000-memory.dmp

                                                Filesize

                                                212KB

                                              • memory/1016-56-0x0000000000000000-mapping.dmp

                                              • memory/1016-66-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                Filesize

                                                48KB

                                              • memory/1200-70-0x0000000000400000-0x0000000000435000-memory.dmp

                                                Filesize

                                                212KB

                                              • memory/1200-69-0x00000000001C0000-0x00000000001CF000-memory.dmp

                                                Filesize

                                                60KB

                                              • memory/1200-71-0x0000000000400000-0x0000000000435000-memory.dmp

                                                Filesize

                                                212KB

                                              • memory/1200-61-0x0000000000000000-mapping.dmp

                                              • memory/1792-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1792-67-0x0000000000400000-0x0000000000442000-memory.dmp

                                                Filesize

                                                264KB

                                              • memory/1792-68-0x0000000000280000-0x00000000002B5000-memory.dmp

                                                Filesize

                                                212KB