Report - msoffice.exe

njRAT backdoor PE File .NET EXE PE32
ScreenShot
Created 2024.03.30 13:22 Machine s1_win7_x6401
Filename msoffice.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
3.4
ZERO API file : malware
VT API (file) 61 detected (AIDetectMalware, malicious, high confidence, MsilFC, S20327749, FSCY, GenericKDZ, unsafe, Save, Bladabindi, BladabindiNET, Ratenjay, gen3, njRAT, CLASSIC, Gen7, SMJM06, moderate, score, Bladabi, oetu, Detected, ai score=100, BGS@7lngf6, Razy, Eldorado, SpyGate, R292993, ZemsilF, cm0@a0BtCSp, TScope, GdSda, Qgil, BViRd, HXP2Y, Static AI, Malicious PE, susgen, confidence, 100%)
md5 3629444779e7e4fb9a023cda4f1473c6
sha256 647b62057e0fce41fd1b3d7f4c99a834da671e36f4c72eb03bec9e7a34b24b35
ssdeep 384:I0bUe5XB4e0XIODzw0Q0mS03AWTxtTUFQqzFgObbV:9T9BufY55d2bV
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (3cnts)

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 61 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed

Rules (4cnts)

Level Name Description Collection
danger Win_Backdoor_njRAT_Zero Win Backdoor njRAT 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)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
165.227.31.192 US DIGITALOCEAN-ASN 165.227.31.192 1 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