Report - 32.exe

UPX Malicious Library Admin Tool (Sysinternals etc ...) PWS SMTP AntiDebug AntiVM OS Processor Check .NET EXE PE File PE32
ScreenShot
Created 2023.08.14 07:53 Machine s1_win7_x6401
Filename 32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
11.6
ZERO API file : malware
VT API (file)
md5 fdb650f759c72c4d408a4da61096ac29
sha256 38936812027f8a25f120857b93a85fdf3561059c0e36b96e7b3b326d98037ca2
ssdeep 24576:cB9+lvs4PExtXbcBQi14FgpydMuLusHmWNae6ETnQFz8sGA:Iv4PExtXboIBMuLJHJ6E7QFz8M
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (26cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Executes one or more WMI queries
watch Harvests credentials from local FTP client softwares
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 Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries which can be used to identify virtual machines
notice One or more potentially interesting buffers were extracted
notice Queries for potentially installed applications
notice Steals private information from local Internet browsers
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (23cnts)

Level Name Description Collection
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory 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 (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info OS_Processor_Check_Zero OS Processor Check 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 (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
176.123.9.85 MD Alexhost Srl 176.123.9.85 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