Report - .csrss.exe

PWS .NET framework Generic Malware UPX Admin Tool (Sysinternals etc ...) .NET EXE PE32 PE File
ScreenShot
Created 2021.07.30 20:55 Machine s1_win7_x6401
Filename .csrss.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
2.6
ZERO API file : malware
VT API (file) 25 detected (Androm, malicious, high confidence, QVM03, MachineLearning, Anomalous, confidence, Kryptik, Eldorado, RATX, Fareit, Static AI, Malicious PE, ai score=99, kcloud, Wacatac, score, Artemis, AgentTesla, Unsafe)
md5 b4e65ed28277c81bc487a30b282b88a1
sha256 c655cc215970dec5d45327944a3766c92b4bc3d9bb7151f945b9e33d681ab147
ssdeep 24576:SYiS/d3uYdk9Jt6UWHpT//I+NmwRGPoN7vdiTbnFM:xUJcU0T//Iem/PoiM
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (6cnts)

Level Description
warning File has been identified by 25 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
notice Allocates read-write-execute memory (usually to unpack itself)
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

Rules (7cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals 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 PE_Header_Zero PE File Signature binaries (upload)

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
104.21.21.221 US CLOUDFLARENET 104.21.21.221 mailcious
104.21.78.28 US CLOUDFLARENET 104.21.78.28 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