Report - whesilox.exe

RAT Generic Malware Admin Tool (Sysinternals etc ...) SMTP KeyLogger AntiDebug AntiVM PE32 .NET EXE PE File
ScreenShot
Created 2021.07.27 18:00 Machine s1_win7_x6402
Filename whesilox.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
10.0
ZERO API file : malware
VT API (file) 19 detected (malicious, high confidence, Artemis, Kryptik, Eldorado, Malcode, gdn30, ACDM, Fareit, Wacapew, score, MachineLearning, Anomalous, Static AI, Malicious PE, susgen, GenKryptik, FHZB, QVM03)
md5 ede697a91e18c73baf01ca677aa33917
sha256 1e2785c94e1501731c09b13b6f8156548704a36dd5b220efab73c06ed4fd6bfc
ssdeep 12288:HqKPU97PU9KzsQeVs8DIjOsBgo0q4wMVbMVSfFwhU9Dibb5CyGqCrgI/3JVi/KH:Hq+xIjOsBgo0q4wMW8wiJibdRxCrv5VR
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch File has been identified by 19 AntiVirus engines on VirusTotal as malicious
watch Manipulates memory of a non-child process indicative of process injection
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 Connects to a Dynamic DNS Domain
notice Looks up the external IP address
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Terminates another process
notice The binary likely contains encrypted or compressed data indicative of a packer
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 Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
notice KeyLogger Run a KeyLogger memory
notice Network_SMTP_dotNet Communications smtp memory
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_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://checkip.dyndns.org/ Unknown 132.226.247.73 clean
checkip.dyndns.org Unknown 132.226.247.73 clean
132.226.8.169 Unknown 132.226.8.169 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