Report - cronometro.exe

RAT UPX Admin Tool (Sysinternals etc ...) .NET EXE PE32 PE File
ScreenShot
Created 2023.03.07 16:43 Machine s1_win7_x6401
Filename cronometro.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
5.4
ZERO API file : malware
VT API (file) 24 detected (AIDetectNet, Tedy, Vv7x, Malicious, SelfDel, iccc, TrojanX, Casdet, GenericRXVN, ai score=80, R002H09C623, susgen)
md5 c936447056679be7cfbdb7273a1d98c8
sha256 afdf39427da3fa460a37445c8e26847190564c17961cb6bf056a88668fa17891
ssdeep 49152:oy2jIylGC+wzZAElWCaPbGZfkuR6C3bLQt+HObUJJGy:oyBPC3A2WCaPusuLQt+ubUHGy
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (13cnts)

Level Description
warning File has been identified by 24 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
watch Looks for the Windows Idle Time to determine the uptime
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Performs some HTTP requests
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Queries for the computername
info This executable has a PDB path

Rules (6cnts)

Level Name Description Collection
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://144.217.6.71/cronometro/versao.txt CA OVH SAS 144.217.6.71 clean
http://vps-480be556.vps.ovh.ca/cronometro/logger.php?machine=TEST22-PC CA OVH SAS 144.217.6.71 clean
vps-480be556.vps.ovh.ca CA OVH SAS 144.217.6.71 clean
144.217.6.71 CA OVH SAS 144.217.6.71 malware

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