Report - bulak.txt.exe

PE File PE32 .NET EXE
ScreenShot
Created 2023.10.16 12:50 Machine s1_win7_x6402
Filename bulak.txt.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
6.8
ZERO API file : clean
VT API (file)
md5 c630301e6fa6e55bbb4eedeafb870f83
sha256 db62962dd264119f8e0ebb99b81caf544678ebc3fdb5a25bc2c3f1efd12e6d60
ssdeep 1536:QEB0Br0LJeBWwXDBSB1BMBiBhjqLBsBfBzOqdBj9DwAAAAA68lX8wBny0+LTWqP6:ZB0Br0teBWwzBSB1BMBiBhjCBsBfBzOK
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

Level Description
watch Deletes executed files from disk
watch Detects Avast Antivirus through the presence of a library
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a suspicious process
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries
notice Executes one or more WMI queries which can be used to identify virtual machines
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed
info Queries for the computername

Rules (6cnts)

Level Name Description Collection
info Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://whatismyipaddressnow.co/API/FETCH/filter.php?countryid=14&token=8dQdVXc6Djbw US CLOUDFLARENET 172.67.143.245 clean
whatismyipaddressnow.co US CLOUDFLARENET 104.21.71.78 clean
172.67.143.245 US CLOUDFLARENET 172.67.143.245 clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure