Report - kjposter.exe

Confuser .NET Malicious Library Malicious Packer .NET framework(MSIL) UPX PE File .NET EXE PE32
ScreenShot
Created 2024.07.31 10:22 Machine s1_win7_x6403
Filename kjposter.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
3
Behavior Score
4.4
ZERO API file : mailcious
VT API (file) 34 detected (AIDetectMalware, Zusy, Vvo8, Attribute, HighConfidence, Artemis, MalwareX, Lazy, DownloaderNET, Detected, ai score=88, GrayWare, Wacapew, Wacatac, ZemsilCO, ip1@aiTq3Jb, MALICIOUS, Chgt, R002H09GU24, PossibleThreat)
md5 456509bf6306fe9f2f34cc8177cad73d
sha256 ad20e7a152ac46c4aaa120869fc6034c35f7bd5bde9026274898e368ce679ea4
ssdeep 24576:waz1SiDbRumCs3bsvpYrp3PQCgQDfjXD8xPxUxcIO1LNaBFuqWRLgAFFFFFFpilF:n6Yp3tXDkxPxUx9ctDGl3lLrNtxV
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (11cnts)

Level Description
danger File has been identified by 34 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Looks for the Windows Idle Time to determine the uptime
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (8cnts)

Level Name Description Collection
watch ConfuserEx_Zero Confuser .NET binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer 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 (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