Report - mn.exe

Malicious Library DNS AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2021.06.02 10:36 Machine s1_win7_x6401
Filename mn.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
16.2
ZERO API file : malware
VT API (file) 48 detected (malicious, high confidence, Nanocore, GenericKD, Artemis, NanoBot, Eldorado, Kryptik, PWSX, Malware@#377j6dzophh5z, R002C0WEU21, Fareit, Static AI, Malicious PE, AGEN, kcloud, score, HeapOverride, ai score=100, Unsafe, susgen, GdSda)
md5 5bcb9ac769b8c069e202b42b16773af7
sha256 63293e2c954c974e685dcb975d009448838d0ed659719d29340b587cc89c203f
ssdeep 24576:POgEh3PniveXZtwGoeI/r2RB3IGmZiAe4G1y+9inUO8KtYVvuulhj:J8PnyAOV2RBpkiAe4G1b9y8tuuv
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (31cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 48 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Deletes executed files from disk
watch Looks for the Windows Idle Time to determine the uptime
watch Manipulates memory of a non-child process indicative of process injection
watch One or more of the buffers contains an embedded PE file
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Connects to a Dynamic DNS Domain
notice Creates a suspicious process
notice One or more potentially interesting buffers were extracted
notice Starts servers listening
notice Terminates another process
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername

Rules (13cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
notice Network_DNS Communications use DNS memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
wekeepworking.sytes.net CH Fink Telecom Services 79.134.225.90 mailcious
79.134.225.90 CH Fink Telecom Services 79.134.225.90 mailcious

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