Report - Naokyle.exe

AsyncRAT backdoor AgentTesla AntiDebug AntiVM .NET EXE PE File PE32
ScreenShot
Created 2021.05.03 16:52 Machine s1_win7_x6401
Filename Naokyle.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
4.6
ZERO API file : malware
VT API (file) 21 detected (Artemis, Unsafe, GenKryptik, malicious, Attribute, HighConfidence, FEUY, RATX, CLOUD, Outbreak, Woreflint, score, InvalidSig, confidence, 100%)
md5 9b807ec7d5c9fa755cd95453f9a7c0d0
sha256 f98f307a6a414fcbe42e1017d720f1ed8c9e0df21b703f74e94dbe1afa8b32ff
ssdeep 3072:8kcmAGOyF6ulHNStfzoeAWRfS8ypYAxBWA3VcuVdxvNmT9PQdseKzxEfggIYS:8kcmflQtfUeAIQHuA36cdROPSEEf
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (9cnts)

Level Description
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
warning File has been identified by 21 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Performs some HTTP requests
notice Potentially malicious URLs were found in the process memory dump
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Yara rule detected in process memory
info Queries for the computername

Rules (13cnts)

Level Name Description Collection
danger Win_Trojan_AgentTesla_IN_Zero Win Trojan AgentTesla binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://launcher.worldofwarcraft.com/alert GB Blizzard Entertainment, Inc 137.221.106.103 clean
launcher.worldofwarcraft.com GB Blizzard Entertainment, Inc 137.221.106.103 clean
137.221.106.103 GB Blizzard Entertainment, Inc 137.221.106.103 clean
31.210.21.231 US CMCS 31.210.21.231 clean

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