Report - file3.exe

AsyncRAT backdoor BitCoin AntiDebug AntiVM .NET EXE PE File PE32
ScreenShot
Created 2021.05.28 08:21 Machine s1_win7_x6402
Filename file3.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
12.4
ZERO API file : clean
VT API (file) 8 detected (malicious, Reline, InvalidSig, AgentTesla, Undefined, CLOUD, confidence)
md5 4fbb9246662af8c36caf102eccf4bff0
sha256 22bd90d8f8098f114cfc2a8862ca5a16f7b990d4eb016abdd3c1f51a324f6fd4
ssdeep 49152:/i4cHTDysLjeG13VM32SYnNUFP32wR18o7B75:/i4cHTDysLjp13VM32SGNUFP3DR1FJ5
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (28cnts)

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 Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Executes one or more WMI queries
watch Harvests credentials from local FTP client softwares
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 Executes one or more WMI queries which can be used to identify virtual machines
notice File has been identified by 8 AntiVirus engines on VirusTotal as malicious
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 Queries for potentially installed applications
notice Steals private information from local Internet browsers
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 One or more processes crashed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (13cnts)

Level Name Description Collection
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 Virtual_currency_Zero Virtual currency memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://185.244.181.187:57969// Unknown 185.244.181.187 clean
https://api.ip.sb/geoip US CLOUDFLARENET 104.26.13.31 clean
api.ip.sb US CLOUDFLARENET 104.26.13.31 clean
185.244.181.187 Unknown 185.244.181.187 clean
104.26.13.31 US CLOUDFLARENET 104.26.13.31 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