Report - ntoskrnl.exe

UPX .NET framework(MSIL) Malicious Library OS Processor Check .NET EXE PE File PE32
ScreenShot
Created 2023.08.08 18:48 Machine s1_win7_x6401
Filename ntoskrnl.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
2.0
ZERO API file : mailcious
VT API (file) 45 detected (malicious, high confidence, PasswordStealerA, GenericRXLX, Quasar, Save, Eldorado, Attribute, HighConfidence, score, QuasarNET, ai score=89, atmn, Detected, QuasarRAT, R341693, ZemsilF, hp0@a0DAR5n, unsafe, CLASSIC, Static AI, Malicious PE, susgen, confidence, 100%)
md5 aad4399dbd35d6aa67335c724fcf91c9
sha256 ffbf3107cf8103f738975e913dbaf5acac850e5c498ec7329ef40d566b9502ab
ssdeep 49152:Z+kkbi41X4rCBnhPTBJ5+hQD698qgjeOWWRoG90THHB72eh2NT:Z+JjUCBnhPTBJqQD698f6OWo
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (4cnts)

Level Description
danger File has been identified by 45 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
info Checks amount of memory in system
info Checks if process is being debugged by a debugger

Rules (7cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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