Report - castororiginbase64.txt.exe

AgentTesla Malicious Library UPX PE File PE32 .NET EXE
ScreenShot
Created 2023.10.06 13:28 Machine s1_win7_x6402
Filename castororiginbase64.txt.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
10
Behavior Score
3.8
ZERO API file : clean
VT API (file) 58 detected (Common, GenericKDZ, AgentTesla, Save, TrojanPSW, malicious, ZemsilF, km0@a88N1me, Kryptik, Eldorado, Attribute, HighConfidence, Windows, score, PWSX, Gencirc, Gen8, SpyBotNET, NEGASTEAL, YXDGEZ, moderate, Steal, Static AI, Malicious PE, eoth, MSILZilla, GrayWare, 10FWF4K, Detected, Artemis, ai score=80, PInv, unsafe, GdSda, CLOUD, susgen, confidence, 100%)
md5 e94f7fd09efeb9e90655b64a6e4fced7
sha256 95c4b47fa9c4b6ddbd71d3f7c46e3610a46a37c44b18782d8b1e104946f806de
ssdeep 3072:+yE0rwXlM9tGdv3nD5OEAP5/QODi4rsQPxi76L:8pXlIGdv3D5OT/DiYfxi
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (9cnts)

Level Description
danger File has been identified by 58 AntiVirus engines on VirusTotal as malicious
watch Harvests credentials from local email clients
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 Steals private information from local Internet browsers
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
danger Win_Trojan_AgentTesla_M_B_Zero Win Trojan AgentTesla binaries (upload)
watch Malicious_Library_Zero Malicious_Library 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 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