Report - dllhost.exe

PWS .NET framework Generic Malware AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.10.22 09:36 Machine s1_win7_x6401
Filename dllhost.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
11.8
ZERO API file : clean
VT API (file) 26 detected (malicious, high confidence, Unsafe, Save, ZemsilF, Fm0@aGtMJ9g, Kryptik, Eldorado, GenKryptik, FMJE, Noon, Siggen15, Fareit, Swotter, FormBook, 6XH76F, score, HeapOverride, MachineLearning, Anomalous, FileRepMalware, Static AI, Malicious PE, susgen, FMIQ, confidence)
md5 6923309c1cf759930f67710ac9dfd328
sha256 3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea
ssdeep 12288:JGk9RQVXaahBaUi2iNIYI864BI94c9Yr+tJXktSljS:JtRQMahAUi1u/864u4cWit7g
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (24cnts)

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 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 Communicates with host for which no DNS query was performed
watch Created a process named as a common system process
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 A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
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 Terminates another process
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger

Rules (17cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
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 (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.yumiacraftlab.com/kzk9/?xN60vPA8=+Ig0HUENFZj5bYnhgJo9WI2w4WSCLtKmjOpHUL28k1EPbK5ekJJxyg6bW63Md+JObtJ9L8ql&9r=2dRPGZEx8 US GOOGLE 34.102.136.180 clean
www.ourtownmax.net Unknown clean
www.yumiacraftlab.com US GOOGLE 34.102.136.180 clean
www.sebastian249.com Unknown clean
34.102.136.180 US GOOGLE 34.102.136.180 mailcious
208.95.112.1 US TUT-AS 208.95.112.1 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