Report - js.exe

RAT Generic Malware PE File .NET EXE PE32
ScreenShot
Created 2021.08.21 09:08 Machine s1_win7_x6401
Filename js.exe
Type PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
3
Behavior Score
4.2
ZERO API file : clean
VT API (file) 14 detected (malicious, high confidence, Save, Kryptik, Eldorado, gen7, Agensla, PWSX, susgen, score, ZemsilF, am0@aKP6Abm, Static AI, Malicious PE, confidence)
md5 1429db94406815eaa9cf34236f480f4a
sha256 1ba83ab6f009f73bcdf5114e31a0e2959bee3c8ce049d9a562c9d04ce6cdc11f
ssdeep 96:jiRXkLoN9c5t5GgN3cAjXZtJuqYmdESOzNt:Poqn13JjpV1M
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (12cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch File has been identified by 14 AntiVirus engines on VirusTotal as malicious
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 One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
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
info This executable has a PDB path

Rules (5cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware 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 (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://37.0.10.83/os/justin.exe Unknown 37.0.10.83 malware
https://cdn.discordapp.com/attachments/877973640937897984/878021367742734376/wdqdwq.dll Unknown 162.159.130.233 4353 malware
cdn.discordapp.com Unknown 162.159.130.233 malware
37.0.10.83 Unknown 37.0.10.83 malware
162.159.130.233 Unknown 162.159.130.233 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