Report - word.exe

RAT PWS .NET framework Generic Malware HTTP Escalate priviledges KeyLogger Code injection Http API Internet API ScreenShot AntiDebug AntiVM .NET EXE PE32 PE File
ScreenShot
Created 2021.06.25 14:40 Machine s1_win7_x6402
Filename word.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
1
Behavior Score
12.4
ZERO API file : clean
VT API (file) 12 detected (malicious, high confidence, Unsafe, ZemsilF, Vo0@aaAEtHl, Eldorado, Attribute, HighConfidence, Static AI, Malicious PE, Wacatac, score, Kryptik, AAVS, confidence, 100%)
md5 1292877a194c5c20e7c16b00ace00c73
sha256 00668082deeb1c79ed4a3b9cc93bdcb63a49a67dce5f931c0ec4de660a758334
ssdeep 24576:CRvAbc3qVwZbYIUQmVHmuDwUqR0HdEMBEjnNhbfSn6UNfK1w2vV8gI+:ChjnUzdsUpaMirjTSnjfK1T
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (26cnts)

Level Description
danger Executed a process and injected code into it
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 Communicates with host for which no DNS query was performed
watch Executes one or more WMI queries
watch File has been identified by 12 AntiVirus engines on VirusTotal as malicious
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 Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Created a process named as a common system process
notice Creates a suspicious process
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
info Queries for the computername

Rules (21cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Escalate_priviledges Escalate priviledges memory
notice KeyLogger Run a KeyLogger memory
notice Network_HTTP Communications over HTTP memory
notice ScreenShot Take ScreenShot memory
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call 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_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (9cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://docuserver1.com/ng.txt US IS-AS-1 66.45.232.203 2253 clean
https://www.bing.com/ US MICROSOFT-CORP-MSN-AS-BLOCK 13.107.21.200 clean
docuserver1.com US IS-AS-1 66.45.232.203 clean
4.tcp.ngrok.io US AMAZON-02 3.133.207.110 clean
www.google.com US GOOGLE 172.217.26.4 clean
142.250.204.36 US GOOGLE 142.250.204.36 clean
66.45.232.203 US IS-AS-1 66.45.232.203 clean
3.136.65.236 US AMAZON-02 3.136.65.236 clean
13.107.21.200 US MICROSOFT-CORP-MSN-AS-BLOCK 13.107.21.200 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