Report - MsMpEng.exe

.NET framework(MSIL) PWS SMTP KeyLogger AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2023.08.24 07:41 Machine s1_win7_x6403
Filename MsMpEng.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
12.6
ZERO API file : malware
VT API (file)
md5 12f224572c9e11c251b32b80bac3796a
sha256 f553c45ba27e4a01ec6dcdfa86f6149ad6854fa1668ca685ccc46b067cdc2fd6
ssdeep 12288:+5eyEww2d1mbTQXA5PZZCd5UMfboAiIZBXt9sJiZ7ci4Na9jwlTbpFXi+L+k:1yEw0B/C4MzoqkiVceURpFy+L+k
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (27cnts)

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 create or modify system certificates
watch Code injection by writing an executable or DLL to the memory of another process
watch Creates a windows hook that monitors keyboard input (keylogger)
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
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 Looks up the external IP address
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Steals private information from local Internet browsers
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 One or more processes crashed
info Queries for the computername
info This executable has a PDB path

Rules (16cnts)

Level Name Description Collection
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
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

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://apps.identrust.com/roots/dstrootcax3.p7c US Akamai International B.V. 23.67.53.17 clean
mail.timextradingplc.com US DIMENOC 162.221.189.194 clean
api.ipify.org US WEBNX 173.231.16.76 clean
162.221.189.194 US DIMENOC 162.221.189.194 mailcious
23.67.53.18 US Akamai International B.V. 23.67.53.18 clean
64.185.227.156 US WEBNX 64.185.227.156 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