Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 22:50

General

  • Target

    d7492556d08d0fafb6a30c155fbc4185.exe

  • Size

    581KB

  • MD5

    d7492556d08d0fafb6a30c155fbc4185

  • SHA1

    d8d55e503aae39097541150df451a518947db5a3

  • SHA256

    57e7881cb8e9fdd67c38e7aaed201b20eec31deba4306a636643a7e9f8dfea6a

  • SHA512

    bf3470391d6e38b17eea795416990603919272aee182931e4cb8afc7ac38a6c61d7ab55e214a4c998e3e31509ac1247744999476c0d54d30c0a041c0ff060aef

  • SSDEEP

    12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0UN:ufplNFgxG5eZngb0W

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7492556d08d0fafb6a30c155fbc4185.exe
    "C:\Users\Admin\AppData\Local\Temp\d7492556d08d0fafb6a30c155fbc4185.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl3
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3324
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3324 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4860
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
        3⤵
          PID:3636
      • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
        C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2552
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
          3⤵
            PID:3964
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\1.vbs"
            3⤵
              PID:3600

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD978.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W3XJQI43\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          52KB

          MD5

          c4ddf11ebdbf9d8397d710d2cb4e2fab

          SHA1

          8008c97e7d6ff92deb3e1755a614f4afedca92b9

          SHA256

          67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

          SHA512

          3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

        • C:\newsetup.vbs

          Filesize

          651B

          MD5

          4736e7158c27f244482f5a614b9dbdae

          SHA1

          d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9

          SHA256

          b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc

          SHA512

          cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824

        • memory/1156-4-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1156-5-0x00000000001C0000-0x00000000001C2000-memory.dmp

          Filesize

          8KB

        • memory/1156-13-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/3664-19-0x0000000000400000-0x0000000000497000-memory.dmp

          Filesize

          604KB