Analysis

  • max time kernel
    152s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 11:06

General

  • Target

    40b424701cdde23a9b4bab6a58421ae79ff0507db97795571b1b49359f46d130.exe

  • Size

    57KB

  • MD5

    12203f67a96d5821bfbc786eaad05e35

  • SHA1

    2aa3f3cf895676771e5cb4bde895108f6a078a1c

  • SHA256

    40b424701cdde23a9b4bab6a58421ae79ff0507db97795571b1b49359f46d130

  • SHA512

    8669fe85885a5c8a007147b061c89442087e0de539f7cb4a5c804c7bc4e4d08589c08ea53c5cf5d6ed6f78c626a15ca6dd47dece94c75ed882759dd885c23a36

  • SSDEEP

    1536:z53rJiDSIBvPuvvrQ1Ovq64vQzJ7lZ+NF:z53rJShN9uqrQzxlZiF

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 30 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40b424701cdde23a9b4bab6a58421ae79ff0507db97795571b1b49359f46d130.exe
    "C:\Users\Admin\AppData\Local\Temp\40b424701cdde23a9b4bab6a58421ae79ff0507db97795571b1b49359f46d130.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\leg20_check.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4500
      • 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:2404
        • 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:3492
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3492 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2300
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:2700
          • 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:4732
            • 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:3668
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.71628.com/?i"" /f
              5⤵
                PID:4308
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:1792
              • 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:4008
              • 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:2492
              • 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:2076
              • 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:4452
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:3440
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:1764
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:1032
            • C:\Users\Admin\AppData\Local\Temp\inl318D.tmp
              C:\Users\Admin\AppData\Local\Temp\inl318D.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4604
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl318D.tmp > nul
                3⤵
                  PID:2872
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\40B424~1.EXE > nul
                2⤵
                  PID:1896

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\inl318D.tmp

                Filesize

                57.2MB

                MD5

                6dede06dc8fb7a1383da24992bd62764

                SHA1

                d758155cccf349d6ec337dfe24ae76db3e608340

                SHA256

                4f1c0e4aa95642d2d934c3080aed4c576359201aa55f759f0ca3a671f3318ebf

                SHA512

                800b954a0980c2328af4e21c2f5fd3497a236fba5cfc56a1fea1bf62746807fc480ddf4be9118509324de578f7e0fe78065c3325b8d99a3b0164873ecd642b4b

              • C:\Users\Admin\AppData\Local\Temp\inl318D.tmp

                Filesize

                57.2MB

                MD5

                6dede06dc8fb7a1383da24992bd62764

                SHA1

                d758155cccf349d6ec337dfe24ae76db3e608340

                SHA256

                4f1c0e4aa95642d2d934c3080aed4c576359201aa55f759f0ca3a671f3318ebf

                SHA512

                800b954a0980c2328af4e21c2f5fd3497a236fba5cfc56a1fea1bf62746807fc480ddf4be9118509324de578f7e0fe78065c3325b8d99a3b0164873ecd642b4b

              • C:\Users\Admin\AppData\Local\Temp\leg20_check.bat

                Filesize

                53B

                MD5

                23962a245f75fe25510051582203aff1

                SHA1

                20832a3a1179bb2730194d2f7738d41d5d669a43

                SHA256

                1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647

                SHA512

                dc36b64f2dbb710652900a31295c148760b0c44eae13515aa29613916c9dffe3d8e55ba61568f7c27b43bf0c341f7dcd4b9c721f81627fc6bb915b15c358fe80

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

                Filesize

                557B

                MD5

                60c54480fe85d58d72662fa3b1255f8f

                SHA1

                7e975bcf566b39ecffbf784231187ee8a753af88

                SHA256

                c87185e8b06aceab6578bdadd26d32251353c882f126643567bc7619e8b02c76

                SHA512

                299d36847b969c184151c83b59b88ac2322c2ee9d89643ae53994c2ae32299f45c8ace083e0c0cfbc4eb3136d16d57f126d4340b833140325deb4c980b93cf9a

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

                Filesize

                3KB

                MD5

                286fe459674aef6eee17f6ac79a15fdb

                SHA1

                233dc43099c575a67b05fc1076e676324fd6e63d

                SHA256

                872cc596dc1fe6d5a131129bd84c2a76d6874e9c57ab2cd792d4d12b6f014fd2

                SHA512

                c9acc4a134001da76e7ae6aa5ae65ce58501942dfc1f80959ae4db27c06010db753c9d115eedbe0b2b0e30dd5c4dcd1d32816493b053c65cee81d3a343c87314

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

                Filesize

                492B

                MD5

                34c14b8530e1094e792527f7a474fe77

                SHA1

                f71c4e9091140256b34c18220d1dd1efab1f301d

                SHA256

                fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713

                SHA512

                25bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2

              • 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

                bcd365a6ccfeef31312166c553b0b9cd

                SHA1

                c1bab1d544f604f1ad6a58c3a4eb69f4da0e76b0

                SHA256

                94894312b5ceaaf63d0c59e5e8809098d1b3b2d4a87d1b631312801ddaab6113

                SHA512

                9f55f0702fb729c23a00eb4b88fdf7bbf7560e71e832554daffe8f1292441c86e5741a21f02b993acdd7abff662e42e2cdc117711a0196f518ec6f6d0e0534e5

              • memory/3492-192-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-212-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-150-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-217-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-157-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-147-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-215-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-159-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-160-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-161-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-162-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-163-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-164-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-165-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-213-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-214-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-169-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-170-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-211-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-173-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-174-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-202-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-176-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-177-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-179-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-181-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-210-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-205-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-184-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-186-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-189-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-191-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-190-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-204-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-193-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-203-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-195-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-196-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-197-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/3492-201-0x00007FFC92F70000-0x00007FFC92FDE000-memory.dmp

                Filesize

                440KB

              • memory/4884-134-0x00000000006A0000-0x00000000006C6000-memory.dmp

                Filesize

                152KB

              • memory/4884-132-0x00000000006A0000-0x00000000006C6000-memory.dmp

                Filesize

                152KB

              • memory/4884-168-0x00000000006A0000-0x00000000006C6000-memory.dmp

                Filesize

                152KB

              • memory/4884-133-0x0000000000590000-0x0000000000593000-memory.dmp

                Filesize

                12KB