Report - amdays.exe

.NET framework(MSIL) UPX Http API HTTP Code injection Internet API AntiDebug AntiVM PE32 PE File .NET EXE Lnk Format GIF Format
ScreenShot
Created 2023.11.14 17:31 Machine s1_win7_x6401
Filename amdays.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
11.0
ZERO API file : mailcious
VT API (file)
md5 1469e905f3ce6bd98f075df0293320b9
sha256 d3a40144912dfa3f095ab0526aba7c0ce4950793090a632dc76f9fd93be815ab
ssdeep 24576:5o7+CLbKTeQd9XAPaMxJ+VAt6y/Gq+T3mlkjqObiXQSIEjNjp3TyQ:g+CH8d9QPfqDqU3mlu01jpjyQ
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger Executed a process and injected code into it
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to identify installed AV products by installation directory
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 Installs itself for autorun at Windows startup
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 for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates executable files on the filesystem
notice One or more potentially interesting buffers were extracted
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
info Queries for the computername
info This executable has a PDB path

Rules (19cnts)

Level Name Description Collection
watch UPX_Zero UPX packed file 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 Network_HTTP Communications over HTTP 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 lnk_file_format Microsoft Windows Shortcut File Format binaries (download)
info Lnk_Format_Zero LNK Format binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
45.9.74.182 Unknown 45.9.74.182 malware

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