Report - 1.exe

Admin Tool (Sysinternals etc ...) .NET framework(MSIL) Malicious Library UPX Socket ScreenShot Steal credential DNS Code injection AntiDebug AntiVM PE32 PE File MSOffice File .NET EXE DLL OS Processor Check
ScreenShot
Created 2024.01.13 19:27 Machine s1_win7_x6401
Filename 1.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
4
Behavior Score
9.6
ZERO API file : mailcious
VT API (file)
md5 61266f99271cd5605d384c2953ac4fbf
sha256 557c5b6678b5b3badb6a7703e4491a9b354a353cdef83c4f6415b422cd17a999
ssdeep 196608:It8PV1rMoVGrX5PhPLLsGu7uni07ix9MENvpdd:ISV1rMoO5ZPcGxi0w+Gpdd
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (21cnts)

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 Communicates with host for which no DNS query was performed
watch Detects VirtualBox through the presence of a registry key
watch One or more of the buffers contains an embedded PE file
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 Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice One or more potentially interesting buffers were extracted
notice Potentially malicious URLs were found in the process memory dump
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 Queries for the computername
info This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (25cnts)

Level Name Description Collection
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch UPX_Zero UPX packed file binaries (download)
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 local_credential_Steal Steal credential memory
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot 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 IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info Microsoft_Office_File_Zero Microsoft Office File binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
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 (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
154.92.15.189 HK HK Kwaifong Group Limited 154.92.15.189 mailcious

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