Report - Explerer.exe

njRAT backdoor PE File .NET EXE PE32
ScreenShot
Created 2025.04.21 13:35 Machine s1_win7_x6401
Filename Explerer.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
10
Behavior Score
5.0
ZERO API file : mailcious
VT API (file) 66 detected (FamVT, binANHb, mAmC, TRFH5, BackdoorNJRat, Bladabindi, Unsafe, Save, malicious, confidence, 100%, Ratenjay, Windows, Njrat, Disfa, dtznyx, CLASSIC, Gen7, YXFDSZ, Real Protect, moderate, score, DotNet, Static AI, Malicious PE, Autoit, Detected, A@566ygc, atmn, Eldorado, R91438, FIGN, GdSda, BLADABI, AvsMofer, susgen)
md5 7c27b7369ddd2a6e528b1103d6c252e3
sha256 2eee918b733601dc40afdb72b967fc17bc4f40116a2c05ce17354db441b0d71e
ssdeep 384:Jdc6ze6e1PAhJVzC3tC1im/BsTx46GgZ0rap9HBmRvR6JZlbw8hqIusZzZKI:J3e9EJLN/5Rpcnu4
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (10cnts)

Level Description
danger File has been identified by 66 AntiVirus engines on VirusTotal as malicious
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
watch Communicates with host for which no DNS query was performed
notice Allocates read-write-execute memory (usually to unpack itself)
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed

Rules (8cnts)

Level Name Description Collection
danger Win_Backdoor_njRAT_Zero Win Backdoor njRAT binaries (download)
danger Win_Backdoor_njRAT_Zero Win Backdoor njRAT binaries (upload)
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 (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
45.83.207.17 GB Clouvider Limited 45.83.207.17 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