Report - MicrosoftService.exe

Antivirus UPX PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2024.07.03 07:58 Machine s1_win7_x6403
Filename MicrosoftService.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
2.8
ZERO API file : mailcious
VT API (file)
md5 01fd03e1f9ddbeee002267238428ac26
sha256 d6573c5df0eb1cc96116089788e3cc17f647046f4806d10ac2d6a430c553bd15
ssdeep 3072:sLHiNUtXboS+M2A7OPB6aUFRUGKXs+S++7KFSbxeY+qDDrMP:OrXbH+rYJAGqStKEbxI
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (9cnts)

Level Description
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
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 Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (6cnts)

Level Name Description Collection
watch Antivirus Contains references to security software binaries (upload)
watch UPX_Zero UPX packed file 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