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Analysis

  • max time kernel
    127s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 21:57

General

  • Target

    8ab298f486811beabfc16f34829598ec701d27d42f22a499b4186d7402153219.exe

  • Size

    348KB

  • MD5

    3909ca20eaf5f8f23af553418c9cb400

  • SHA1

    b5069e4181276460ce4f364a74c3030f7da15c9d

  • SHA256

    8ab298f486811beabfc16f34829598ec701d27d42f22a499b4186d7402153219

  • SHA512

    349f9dbed04845cad7246261f577edf00c7e4f4692b658cb46d598e0993cf71a588ac23ee870651f0dadff63cf770bd7b3eaaf6143cde292b581c5dd74f16e84

  • SSDEEP

    6144:gDCwfG1bnxLE3faDCwfG1bnxLE3fbmaGc:g72bntEi72bntEzTGc

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ab298f486811beabfc16f34829598ec701d27d42f22a499b4186d7402153219.exe
    "C:\Users\Admin\AppData\Local\Temp\8ab298f486811beabfc16f34829598ec701d27d42f22a499b4186d7402153219.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1984
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1096
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1744
          • C:\Users\Admin\AppData\Local\Temp\avscan.exe
            C:\Users\Admin\AppData\Local\Temp\avscan.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:824
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c c:\windows\W_X_C.bat
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1768
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:564
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
              6⤵
              • Adds policy Run key to start application
              PID:1140
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2032
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1732
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1968
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1492
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:1060
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:832
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1736
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1836
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1604
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:340
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:1556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    396KB

    MD5

    f90d1f4067eccda778dffe0fc313e260

    SHA1

    08c5e7db9f66caf3b7a347db8c854abf010202fa

    SHA256

    1a861953afb53caa2a2e92b573dadca7da03cf9491759f6444e785435976443b

    SHA512

    4c524f9bbef7b79d6ba7e6d92544ffb463526b4fe0a1363fc65ceb24f25d7390db2fa9bd75d452589ef0a0e740f27784b31369f2038addfcb1322e85896854ee

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.4MB

    MD5

    2c9c009af425ae6856d4c68c1b24dfc4

    SHA1

    5e671a2716ec8c1587ae8ea1c0e9d96ef2aa7e40

    SHA256

    fffcad66cc5c1f6bfdceafcd5485b7f00fe45fb5845fa5e63249158a02d0ff5b

    SHA512

    56a99771517e3040a602066ce5e679ccdcbb43fa28ff1d2c6d8269eb5a7de2e231f61a3a34ff7b9428d80b273d5dab32da935ec37770cd22e7462f11b97142a7

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    2.1MB

    MD5

    4a5fd898ab54ebb3d0de7bde11f394ba

    SHA1

    2f21082127d738a8e23c0da8a0d42afa8b0737a6

    SHA256

    e559161ebf56f434d7b4e63163225cd17c880ef5c27010142df3866b98f17024

    SHA512

    f1def2170e17c95c53bd2ed1bf958a194122b861982eff407dcd8fc19b0e5ab1b3f13e76c5276b8f95e07158cb35be305add0b127a145e58aaaa465a874beb61

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    2.1MB

    MD5

    b89068e055ed6552dfa55f8b2cf777bf

    SHA1

    45b14fed170d2227beaea4ef872887b2f414f44f

    SHA256

    9be2dcdcb51ef75a1eb93729491cfd34ad97a12012ef3c7fd296fdb63702e378

    SHA512

    2469e22fdb87037e2850318e6c9c648f4e645262ffb7e932ec696a9257f08192c9e64bbf5ca41563e74e348e2e210f8326892c3885dcf838ceffaeb0ea27de65

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    2.8MB

    MD5

    cda759b4bdf95c5f5b18f3fdf077203c

    SHA1

    66cf53cb0414daf3e371b2d8273ec297fdaea042

    SHA256

    bacb4666d765e4b34d046fb86fdc1c89628c8bbab568e5dbb600a45b7684d109

    SHA512

    1df801b8e3068ed48006a42ae91af6c38b0b5257d84a520c400aa4e5fc769f6611c0df43b274b68700be2652919b1132011e55295aabb3de73e2240f600a7014

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    2.8MB

    MD5

    cda759b4bdf95c5f5b18f3fdf077203c

    SHA1

    66cf53cb0414daf3e371b2d8273ec297fdaea042

    SHA256

    bacb4666d765e4b34d046fb86fdc1c89628c8bbab568e5dbb600a45b7684d109

    SHA512

    1df801b8e3068ed48006a42ae91af6c38b0b5257d84a520c400aa4e5fc769f6611c0df43b274b68700be2652919b1132011e55295aabb3de73e2240f600a7014

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • C:\Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    9eb0c6074d8e54f7da6508b5f6809e78

    SHA1

    61f003a28c45377e9fc641a0dd1382e6931c11f0

    SHA256

    df6f01f8c7c5ad4b1e66d19309ad60f0189bc607d7a07c184d9d94abd29c3ee8

    SHA512

    f6db15038cf4312647c59574cf2352c132c36cd060293977427b719066e5519838c6fed059d3a1d4e3277b575d9132d29d150c45cebd8a3852e705f3297f6d08

  • C:\Windows\hosts.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • C:\Windows\hosts.exe

    Filesize

    348KB

    MD5

    696e285eec77df2d2f1835154b68ef16

    SHA1

    afbb6364c4d34382c7d236573c5bcdb69fac51b2

    SHA256

    5c295977743b26617a512011f678ba85e3f97312c9595b0023f5e56f0c70d58c

    SHA512

    3285aa102347c941315a54ca69846742d24a69eeda5ff85f0fb5e93971ba3845e5efe95fcda358d28698477643bd39e6631c4bf9bd799a4f83eb7ec5732aa077

  • C:\Windows\hosts.exe

    Filesize

    348KB

    MD5

    696e285eec77df2d2f1835154b68ef16

    SHA1

    afbb6364c4d34382c7d236573c5bcdb69fac51b2

    SHA256

    5c295977743b26617a512011f678ba85e3f97312c9595b0023f5e56f0c70d58c

    SHA512

    3285aa102347c941315a54ca69846742d24a69eeda5ff85f0fb5e93971ba3845e5efe95fcda358d28698477643bd39e6631c4bf9bd799a4f83eb7ec5732aa077

  • C:\Windows\hosts.exe

    Filesize

    348KB

    MD5

    696e285eec77df2d2f1835154b68ef16

    SHA1

    afbb6364c4d34382c7d236573c5bcdb69fac51b2

    SHA256

    5c295977743b26617a512011f678ba85e3f97312c9595b0023f5e56f0c70d58c

    SHA512

    3285aa102347c941315a54ca69846742d24a69eeda5ff85f0fb5e93971ba3845e5efe95fcda358d28698477643bd39e6631c4bf9bd799a4f83eb7ec5732aa077

  • C:\windows\hosts.exe

    Filesize

    348KB

    MD5

    696e285eec77df2d2f1835154b68ef16

    SHA1

    afbb6364c4d34382c7d236573c5bcdb69fac51b2

    SHA256

    5c295977743b26617a512011f678ba85e3f97312c9595b0023f5e56f0c70d58c

    SHA512

    3285aa102347c941315a54ca69846742d24a69eeda5ff85f0fb5e93971ba3845e5efe95fcda358d28698477643bd39e6631c4bf9bd799a4f83eb7ec5732aa077

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    348KB

    MD5

    f4f81adca030e540bd30b71d91afd857

    SHA1

    b15d024f2aab23899f1842787b90be20b36105ad

    SHA256

    86c39792d1e5a6021d022ba27e00ff553937a74bf932bdcadefa1886dfb1fbd7

    SHA512

    3c850b579d983f9819c49d96e09b8728dba296f2978c5924776601dba499be35824f625136ada23d610e1c8790995a2fba9f8dfc8cb8dfc9ee7f2b55cbede5df

  • memory/868-56-0x0000000075131000-0x0000000075133000-memory.dmp

    Filesize

    8KB

  • memory/868-58-0x0000000074211000-0x0000000074213000-memory.dmp

    Filesize

    8KB