Analysis

  • max time kernel
    77s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2022 19:27

General

  • Target

    tmp.exe

  • Size

    2.5MB

  • MD5

    6df42807289a2421d56f93f6b17267e2

  • SHA1

    62c6fb6daf85a8c29a4330fa56d73b5c2b1bd007

  • SHA256

    02b1c74e6bfd83c4d06b59ac6c02ea6b0cdfefaf0cccddf8d6dcf7c1d1da0ec3

  • SHA512

    9efaa292ed8a1a1bb49a3530760086470917e47e53214ae5e8372b5c0556976e4fb5a16734441f728157d545423f5ea3d2dd3921d8a2e5cea637d7442dda8049

  • SSDEEP

    49152:jx+FA5+3hNiZrgMl03VDcl5xiei5Uf0x6+TALAT+Y180oXvH9I:jxgriZrgMlCQvk5XbTApAcI

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in Program Files directory 30 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM WebActiveEXE.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4968
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM TimeGridEXE.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe
      "C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe" /regserver
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4808
    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe
      "C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe" /regserver
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      PID:4720
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "atl.dll"
      2⤵
        PID:1140

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe

      Filesize

      52KB

      MD5

      d834401a8d8de71f1eff2e57d8620ae4

      SHA1

      dbdfdabac5602b2ce50a6a30e647c902fd708db8

      SHA256

      cb6e4e43619ad95785970a0d27d5731875441a0da50be4b0e262949e2d87e62c

      SHA512

      378549d782228b62aeed5a567d40ad302f253e84c4ddfcb63f82a3bea9840fe8802937d6a65d12b47885d18dc2b0265d2ccfe1c05a34c536807cca5d5db04b57

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe

      Filesize

      52KB

      MD5

      d834401a8d8de71f1eff2e57d8620ae4

      SHA1

      dbdfdabac5602b2ce50a6a30e647c902fd708db8

      SHA256

      cb6e4e43619ad95785970a0d27d5731875441a0da50be4b0e262949e2d87e62c

      SHA512

      378549d782228b62aeed5a567d40ad302f253e84c4ddfcb63f82a3bea9840fe8802937d6a65d12b47885d18dc2b0265d2ccfe1c05a34c536807cca5d5db04b57

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe

      Filesize

      148KB

      MD5

      e19ef5e31d4078e7c2a8d3473c5163e8

      SHA1

      7848f651c1529dafc7cd8bf5c0613961dec12dae

      SHA256

      e0ab67b746af97dc8eef0593c3e1abcf26afd1111409709548c3b5924193e6cb

      SHA512

      a150046f81a2281e8c215193da4d5d828287dad98492dc0a4e63d4efc9f75964c503fa18a2385cdcdc1cbd38c9f2b9451f27196fc3654f1e5fcf2099557abf58

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe

      Filesize

      148KB

      MD5

      e19ef5e31d4078e7c2a8d3473c5163e8

      SHA1

      7848f651c1529dafc7cd8bf5c0613961dec12dae

      SHA256

      e0ab67b746af97dc8eef0593c3e1abcf26afd1111409709548c3b5924193e6cb

      SHA512

      a150046f81a2281e8c215193da4d5d828287dad98492dc0a4e63d4efc9f75964c503fa18a2385cdcdc1cbd38c9f2b9451f27196fc3654f1e5fcf2099557abf58

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\timeAxesDll.dll

      Filesize

      96KB

      MD5

      550a46139aa7d3ec8b9ada2d97e2faa4

      SHA1

      98fcdfef3336f5e17c8b2b2ef1b791003e928fff

      SHA256

      f9d9e0e8deaec263e84e80b657efc96cf79a9f779f7b6262e08ff640eebb0439

      SHA512

      d93e2f595f053314f4c79addad3c08d88bd1a9eb479613ef29cc8879f2f3b145d3f50b7fcec9b60d52531661c249bc9449aa788e453bcd9e589d577125f85eef

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\timeAxesDll.dll

      Filesize

      96KB

      MD5

      550a46139aa7d3ec8b9ada2d97e2faa4

      SHA1

      98fcdfef3336f5e17c8b2b2ef1b791003e928fff

      SHA256

      f9d9e0e8deaec263e84e80b657efc96cf79a9f779f7b6262e08ff640eebb0439

      SHA512

      d93e2f595f053314f4c79addad3c08d88bd1a9eb479613ef29cc8879f2f3b145d3f50b7fcec9b60d52531661c249bc9449aa788e453bcd9e589d577125f85eef

    • C:\Users\Admin\AppData\Local\Temp\nsw8C68.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      acc2b699edfea5bf5aae45aba3a41e96

      SHA1

      d2accf4d494e43ceb2cff69abe4dd17147d29cc2

      SHA256

      168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

      SHA512

      e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

    • C:\Users\Admin\AppData\Local\Temp\nsw8C68.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      acc2b699edfea5bf5aae45aba3a41e96

      SHA1

      d2accf4d494e43ceb2cff69abe4dd17147d29cc2

      SHA256

      168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

      SHA512

      e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe