Report - Bootstrapper.exe

Malicious Library .NET framework(MSIL) UPX PE File PE64 .NET EXE
ScreenShot
Created 2024.10.16 21:29 Machine s1_win7_x6401
Filename Bootstrapper.exe
Type PE32+ executable (console) x86-64 Mono/.Net assembly, for MS Windows
AI Score
3
Behavior Score
4.4
ZERO API file : mailcious
VT API (file) 58 detected (Common, Sdum, Artemis, MSILHeracles, Unsafe, Vpea, malicious, confidence, Attribute, HighConfidence, high confidence, AGen, MalwareX, CLOUD, iqkvn, AgentAGen, R002C0DJD24, Detected, Malware@#8wk1chln1w0o, Malgent, Eldorado, Chgt, Gencirc, jwIc7OWdAtA, Pstinb, susgen)
md5 2a4dcf20b82896be94eb538260c5fb93
sha256 ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a
ssdeep 12288:t0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0z:O5vgHWjTwAlocaKjyyItHDz
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (11cnts)

Level Description
danger File has been identified by 58 AntiVirus engines on VirusTotal as malicious
notice A process created a hidden window
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
notice Creates a suspicious process
notice Uses Windows utilities for basic Windows functionality
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

Rules (6cnts)

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 IsPE64 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
getsolara.dev US CLOUDFLARENET 104.21.93.27 mailcious
gist.githubusercontent.com US FASTLY 185.199.110.133 mailcious
104.21.93.27 US CLOUDFLARENET 104.21.93.27 clean
185.199.109.133 US FASTLY 185.199.109.133 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x4c94a8 _CorExeMain

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure