Report - kayx.exe

AsyncRAT backdoor AntiDebug AntiVM .NET EXE PE File PE32
ScreenShot
Created 2021.04.30 17:59 Machine s1_win7_x6401
Filename kayx.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
1
Behavior Score
10.0
ZERO API file : malware
VT API (file) 26 detected (malicious, high confidence, Unsafe, Save, confidence, 100%, Kryptik, Eldorado, Attribute, HighConfidence, Noon, Fareit, Wacatac, score, Artemis, CLOUD, Static AI, Malicious PE, AANB, ZemsilF, Jm0@aSp8x5n, susgen)
md5 129e1d37b93430b4bd894b16c53cd6bc
sha256 28e0affe70d48a6c6fe89b76dc56c59f93521a4b606dbb6fff60a84d382e9ceb
ssdeep 6144:zFIVM/ZtTmUk6NxetEFnqwTf7yS8X9Y1s3sOk85knWKCCOwecrHEUZyw5s+cZL9O:zFWcy6zeW7y/Nss3J5NCBl9XcBbq
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (20cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 26 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Looks for the Windows Idle Time to determine the uptime
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
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 HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed

Rules (11cnts)

Level Name Description Collection
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 (10cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.wirebeevehicles.com/bwk/?EDK8gDR=VOL7UDcQYRljSosxQOYPJG6yJtUQAld58UNriPOjT+IDxU4HyvwawJh1yPzk3AG9OprqJGoe&BZ=E2M4oNPx_Ln SG AS-26496-GO-DADDY-COM-LLC 148.66.138.166 clean
http://www.fragrancecollector.com/bwk/?EDK8gDR=LZ0Uj0vFRx/4vDVTGDC73qa8DXiw0WGVyXki5dqgklz7zfTX+bG4IBE0uelYToudE5/XdoAX&BZ=E2M4oNPx_Ln US 1&1 Ionos Se 74.208.236.213 clean
https://www.bing.com/ US MICROSOFT-CORP-MSN-AS-BLOCK 204.79.197.200 clean
www.lovenfys.com Unknown clean
www.wirebeevehicles.com SG AS-26496-GO-DADDY-COM-LLC 148.66.138.166 clean
www.fragrancecollector.com US 1&1 Ionos Se 74.208.236.213 clean
www.google.com US GOOGLE 172.217.174.100 clean
74.208.236.213 US 1&1 Ionos Se 74.208.236.213 mailcious
148.66.138.166 SG AS-26496-GO-DADDY-COM-LLC 148.66.138.166 mailcious
172.217.163.228 US GOOGLE 172.217.163.228 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