Report - lumma21.exe

Craxs RAT PE File .NET EXE PE32
ScreenShot
Created 2024.03.26 07:19 Machine s1_win7_x6403
Filename lumma21.exe
Type PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
3.0
ZERO API file : malware
VT API (file) 48 detected (AIDetectMalware, malicious, high confidence, Artemis, unsafe, Zusy, Kryptik, V6vt, GenusT, DVOE, Attribute, HighConfidence, ALFY, TrojanX, CLOUD, Nekark, zipxy, Krypt, Detected, ai score=84, Sabsik, LummaC, MBZS, Eldorado, ZemsilF, xm2@aW51jRm, Chgt, R002H07CO24, Gencirc, Static AI, Suspicious PE, GenKryptik, GVHR, confidence, 100%)
md5 29447b51ed950d6b101a8ff1494814f1
sha256 d44d746b20df4825c851c93cc6b7a29eb6e4029dbab4fb2c5584c172b822802a
ssdeep 6144:/Is89E4qYj3shY4FHAg0P/MW2SpOFrbRGFIyaB9Vcb0YVPH5RlaHtkzk8hUMfebP:wsMrshz6LP/MW2S24bXxTaHtkg8ZebP
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (8cnts)

Level Description
danger File has been identified by 48 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
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 Command line console output was observed
info Queries for the computername
info This executable has a PDB path

Rules (4cnts)

Level Name Description Collection
danger Craxs_RAT Craxs RAT 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