Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2024 08:08

General

  • Target

    tmp.exe

  • Size

    595KB

  • MD5

    2060ab69656588e8acefcde9c7cc0a5f

  • SHA1

    f4501b82e348b38cf4f877bff1c1447828585c6a

  • SHA256

    b39f3c1533ff0a817a221ec313c11b926dfcc1b0e3a3a49fea5cb3151b094ee3

  • SHA512

    10f3447e6cd5a065184395368825030951c62e6c59f980399f832b0862ae09d8db20b7557c4b25917ca78c92750dfb9654e5064fc860a5a6abff198574fa6573

  • SSDEEP

    12288:ih1Fk70TnvjcWYbRQsBTNcHG2k+Nfw3HtUZwi+rRvoR9yrc4+GX:Mk70TrcWYbmsBxN2otUf+Yyrc0X

Score
7/10

Malware Config

Signatures

  • .NET Reactor proctector 3 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 600
      2⤵
      • Program crash
      PID:2812

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2040-1-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2040-2-0x0000000002240000-0x0000000002280000-memory.dmp

    Filesize

    256KB

  • memory/2040-0-0x00000000022C0000-0x000000000233E000-memory.dmp

    Filesize

    504KB

  • memory/2040-3-0x0000000002240000-0x0000000002280000-memory.dmp

    Filesize

    256KB

  • memory/2040-4-0x0000000002390000-0x000000000240C000-memory.dmp

    Filesize

    496KB

  • memory/2040-5-0x0000000002240000-0x0000000002280000-memory.dmp

    Filesize

    256KB

  • memory/2040-8-0x00000000025B0000-0x00000000045B0000-memory.dmp

    Filesize

    32.0MB

  • memory/2040-9-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2040-10-0x0000000002240000-0x0000000002280000-memory.dmp

    Filesize

    256KB

  • memory/2040-11-0x0000000002240000-0x0000000002280000-memory.dmp

    Filesize

    256KB

  • memory/2040-12-0x00000000025B0000-0x00000000045B0000-memory.dmp

    Filesize

    32.0MB