Analysis

  • max time kernel
    163s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 12:50

General

  • Target

    936da9440a5c092acdead3b3992e96526cd47d811606f644b57d801cf45e1ca2.exe

  • Size

    54KB

  • MD5

    3118dc2ccf2c79e35e6077b530045f2a

  • SHA1

    e6e5ab9c8794b297aa8ee926eb00cdbbe8e088a3

  • SHA256

    936da9440a5c092acdead3b3992e96526cd47d811606f644b57d801cf45e1ca2

  • SHA512

    982571cc8380bef756c51ad42fb547d62e4f1ec3072824b4c6a50b7446472f9a2c2af571d53f6ff20b64f663e2a209e74e454784f5f21ff408617cf029a338e2

  • SSDEEP

    1536:drz9IyO+m2Z18WDMkdk/8M+oEAldgG7NmyzPSeX:xrm2ZKSdK8M+oz/TBX

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 46 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\936da9440a5c092acdead3b3992e96526cd47d811606f644b57d801cf45e1ca2.exe
    "C:\Users\Admin\AppData\Local\Temp\936da9440a5c092acdead3b3992e96526cd47d811606f644b57d801cf45e1ca2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\x5_20_ml.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\1.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?71628
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4292
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4292 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2824
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:3916
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\2.bat
            4⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:4048
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.71628.com/?i"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:4816
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.71628.com/?i"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:3472
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.71628.com/?i"" /f
              5⤵
                PID:4800
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:3348
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\PPLive\3.bat""" /f
                5⤵
                • Modifies registry class
                PID:3784
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:2144
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:3540
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 D:\VolumeDH\inj.dat,MainLoad
                5⤵
                  PID:884
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\2.inf
                  5⤵
                  • Adds Run key to start application
                  • Suspicious use of WriteProcessMemory
                  PID:3372
                  • C:\Windows\SysWOW64\runonce.exe
                    "C:\Windows\system32\runonce.exe" -r
                    6⤵
                    • Checks processor information in registry
                    • Suspicious use of WriteProcessMemory
                    PID:916
                    • C:\Windows\SysWOW64\grpconv.exe
                      "C:\Windows\System32\grpconv.exe" -o
                      7⤵
                        PID:4920
            • C:\Users\Admin\AppData\Local\Temp\inl5D02.tmp
              C:\Users\Admin\AppData\Local\Temp\inl5D02.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              PID:4580
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\936DA9~1.EXE > nul
              2⤵
                PID:4904

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              471B

              MD5

              f8f8086f87156d14091b152fcaadc3ce

              SHA1

              fe3cfbf9e2e871c948300473593dfcf189013386

              SHA256

              8d92f28b70ed5265fafad8b37ce049b0b8ecad038745173acc35a21b8222bf56

              SHA512

              1235be77513694a1478459e999631920be42183a6993dc1f93333831eaa54ea60c7d8617029289c95fed2f861fc7aa79da551c128df4428d23752044eb68ba7a

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              434B

              MD5

              4d23a77be9e75df6860439165a17612c

              SHA1

              a5f76e09f49d662dfe4f1348d46ce462129f4061

              SHA256

              c5d7fa27966ddbbcca049e73b8234ff077ed5a7a6690c14fe0a85cf09bc60aba

              SHA512

              c165c67738698078ad4aff2a069e2bbceb64f675d3d499e47be60f04900d4d0a47b1e9703df595096383fb6e744172d7de284cd33481180098693cd653801e84

            • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

              Filesize

              639B

              MD5

              6fd9d8e6f820fd6778fb7dad894ce95c

              SHA1

              2cf91a7b933f56e890c7d11082cf2c1a473e0109

              SHA256

              41ea0ff989f30f6e4c9e6847499cb93ac15b6084b30f6d956f2c281283910bf9

              SHA512

              a6b024021c199f318a78a8107ff443f5017d0b7beb61d86946eb5fb64758f65e85b2364d1e4e910c01fcf2acc5517d20eccac8154f696c3c5e6395d32e78f3bb

            • C:\Users\Admin\AppData\Local\Temp\inl5D02.tmp

              Filesize

              57.2MB

              MD5

              1d6d4a48d1224f2faee4de4df623ff5e

              SHA1

              470fb458b062922a1a0b9b89156f2e192292c018

              SHA256

              0b683160760e5dc8d963f8e9ffd9f672ad390c9029028036ab398cec799bac23

              SHA512

              61cb1119828b7c3aeded456cab857acadd218799a42ddcda9ff54034bf254221b5e71adf5904921da9e0a52315393ded962c36de3782097da2bda3d3a5c7f725

            • C:\Users\Admin\AppData\Local\Temp\inl5D02.tmp

              Filesize

              57.2MB

              MD5

              1d6d4a48d1224f2faee4de4df623ff5e

              SHA1

              470fb458b062922a1a0b9b89156f2e192292c018

              SHA256

              0b683160760e5dc8d963f8e9ffd9f672ad390c9029028036ab398cec799bac23

              SHA512

              61cb1119828b7c3aeded456cab857acadd218799a42ddcda9ff54034bf254221b5e71adf5904921da9e0a52315393ded962c36de3782097da2bda3d3a5c7f725

            • C:\Users\Admin\AppData\Local\Temp\x5_20_ml.bat

              Filesize

              53B

              MD5

              23962a245f75fe25510051582203aff1

              SHA1

              20832a3a1179bb2730194d2f7738d41d5d669a43

              SHA256

              1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647

              SHA512

              dc36b64f2dbb710652900a31295c148760b0c44eae13515aa29613916c9dffe3d8e55ba61568f7c27b43bf0c341f7dcd4b9c721f81627fc6bb915b15c358fe80

            • C:\Users\Admin\AppData\Roaming\PPLive\1.bat

              Filesize

              3KB

              MD5

              60b83f28f7a84b223dc19ffdfff482fc

              SHA1

              f33a5aed6ba5fc5b07df49da757cc089ee0152ac

              SHA256

              4f7d844924c5fb8be4b9f12f602597a54273c8abe9baa715fd0148b3404a3eb4

              SHA512

              54cc35b7550f7082160344b7cb5b2772bbd9c89093c78bd5044a838ac9c91585d85d87c0f1229e4ff0d5d2f27377edac13c538b17197a8f266e678adb03ee4e8

            • C:\Users\Admin\AppData\Roaming\PPLive\1.inf

              Filesize

              410B

              MD5

              66a1f0147fed7ddd19e9bb7ff93705c5

              SHA1

              9d803c81ea2195617379b880b227892ba30b0bf6

              SHA256

              4f45ce85e221352f7fe26e04968c7f7267dc24b55cf2b72b929b4c90e48cb764

              SHA512

              cfe51756ddec75d240249980a4d27870d15983add25058e4d0da4d8a3ea11384d4d228d6cbc95091f91e516e1ab4dfb1e315941dbd95bf717d4b31936311d597

            • C:\Users\Admin\AppData\Roaming\PPLive\2.bat

              Filesize

              3KB

              MD5

              d4917ae9072a10d8e12ef3b282b25b3b

              SHA1

              bd9ec6c6395997525ec7c15ecca2f115573cc14c

              SHA256

              6f7649988962c61ac7644262ee6082ef352bbb00cb155a3f4ef0467fbdf1c67b

              SHA512

              c6ed3119e008191ad56050f6b72a2d64e908c57e80fd0c252b8b1947cf091644c83b6bc16c56d6e2153579eb3e8711c8cd608977426a0906d56a7713bfca309d

            • C:\Users\Admin\AppData\Roaming\PPLive\2.inf

              Filesize

              247B

              MD5

              ca436f6f187bc049f9271ecdcbf348fa

              SHA1

              bf8a548071cfc150f7affb802538edf03d281106

              SHA256

              6cdfa9b7f0e1e4ee16bc8ce5d7448d47ea8866c1f55f3e56be5c2a4d183ca534

              SHA512

              d19e20aabddad6b0284f8c1d473e9180f30b49d4d8b54f26e7c8630228e16b1f6ba04023c5e8b1993d8a10d97adcfff683b216f79b9981bf16181641aebdd591

            • C:\Users\Admin\AppData\Roaming\PPLive\4.bat

              Filesize

              5.8MB

              MD5

              e3a117f066e3e2bf471580b3ba5d2964

              SHA1

              fc7d7451602d8039f1ae372dd331dad50f46b68f

              SHA256

              2d0de4259e11514160ebf94ce1f71e065cbfc70ec4c982ffa13b4e86f9ad8c45

              SHA512

              9bdcee8d5c521121a963b6454328598fb4aa69529fca0adc300bbc32f2614a9cd2c675b9e352d852ddb849826d1e7ac958c8a80950810c510f1e968d96e819fb

            • memory/3276-132-0x0000000000C40000-0x0000000000C65000-memory.dmp

              Filesize

              148KB

            • memory/3276-194-0x0000000000C40000-0x0000000000C65000-memory.dmp

              Filesize

              148KB

            • memory/3276-134-0x0000000000C40000-0x0000000000C65000-memory.dmp

              Filesize

              148KB

            • memory/3276-133-0x00000000008E0000-0x00000000008E3000-memory.dmp

              Filesize

              12KB

            • memory/4292-152-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-148-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-166-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-167-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-169-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-163-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-140-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-162-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-224-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-177-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-160-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-181-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-159-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-157-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-182-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-155-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-183-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-184-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-185-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-186-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-187-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-154-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-223-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-151-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-164-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-195-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-196-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-147-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-198-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-146-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-144-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-143-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-141-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-201-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-204-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-209-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-210-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-212-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-213-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-211-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-218-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-215-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB

            • memory/4292-217-0x00007FFA689C0000-0x00007FFA68A2E000-memory.dmp

              Filesize

              440KB