Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 17:32

General

  • Target

    311f210d67f1aa950a31e4214389f3e9.exe

  • Size

    112KB

  • MD5

    311f210d67f1aa950a31e4214389f3e9

  • SHA1

    fc5b1b06cc65a4a68f1a2b5a3e5fff47a75654eb

  • SHA256

    79f861b4fd1e2aa68123d26fd549dab1a464469f6be98e708154afb50cdbc36e

  • SHA512

    8dca5b3335cb4b9ef4f374d7cf487d35e0b256db2b95f6e2b7c4f0b3ac2eb9ef971568edbc698545734849b2ccefafff78df52f487d926094b24a1c709fc55f3

  • SSDEEP

    1536:fMg3p/KEL0mrcYRiiVhOuc8JxzzsQIgpaBHRylpus852FK/MrHoFmqckUy:fX//0m4+quc8JZzhIgpwo6sr2FTck

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 1 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\311f210d67f1aa950a31e4214389f3e9.exe
    "C:\Users\Admin\AppData\Local\Temp\311f210d67f1aa950a31e4214389f3e9.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Windows\SysWOW64\Rundll.exe
      "C:\Windows\SysWow64\Rundll.exe" "C:\Users\Admin\AppData\Local\Temp\311f210d67f1aa950a31e4214389f3e9.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3356
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 468
        3⤵
        • Program crash
        PID:804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3356 -ip 3356
    1⤵
      PID:640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\Rundll.exe

      Filesize

      23KB

      MD5

      b09573fd2d5c40c6396bc74f094855c9

      SHA1

      1b4e9a91576d1d094bb8a563575934df03887f1f

      SHA256

      c29c51c25e4833c5986f8af228f6615fcdfe5b51a83c779c6d233ce77c7f0cfb

      SHA512

      e45e908f6516817c628d39600c678f1e61bc5dd639c3bf8d676ae3092d97646dca27a345739d6e0ffa59478218408df8e3672320c75a662a506b404fb96d6cc8

    • memory/3356-12-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4376-11-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB