Report - .csrss.exe

PWS .NET framework RAT Generic Malware Admin Tool (Sysinternals etc ...) PE32 .NET EXE PE File
ScreenShot
Created 2021.07.25 12:07 Machine s1_win7_x6401
Filename .csrss.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
6.2
ZERO API file : malware
VT API (file) 44 detected (Agensla, malicious, high confidence, GenericKD, QVM03, Unsafe, Kryptik, ali2000016, Eldorado, ACCQ, PWSX, Krypt, xyamy, AgentTesla, score, Generic PWS, ai score=100, HeapOverride, TelegramBot, R002H0CGN21, qqpass, Qqrob, Wqnl, Static AI, Malicious PE, ZemsilF, 0m0@aK0eUof, RnkBend, confidence, susgen)
md5 63fda29f4ba3e51aecc86992494144d2
sha256 58aa35af01b43dc0e414a64d596cb2416384e0b0085d0a6137676fc56dbc3c07
ssdeep 12288:qQvqoEgRLCe0b97P08ORoViGrYOPWuYKWQDxmPY/J776ImkyaUVKnpgoYv4ga63e:PCeKPQRoViAFXY0naahpgo
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (12cnts)

Level Description
danger File has been identified by 44 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Created a process named as a common system process
watch Manipulates memory of a non-child process indicative of process injection
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Terminates another process
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
info Uses Windows APIs to generate a cryptographic key

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 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)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT 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