Report - ChromeSetup.exe

Generic Malware .NET framework(MSIL) Antivirus UPX Internet API AntiDebug AntiVM .NET EXE PE File PE32 DLL
ScreenShot
Created 2023.07.30 08:52 Machine s1_win7_x6403
Filename ChromeSetup.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
13.4
ZERO API file : malware
VT API (file)
md5 647f17f3cbca30359b98deb1ec7e6c18
sha256 084e6af7f798500eaf2e9f11ccce06d70cde7d1cd2b8c9c02846f58b5ccce973
ssdeep 24576:+U7ypXGGf2xZ0dEp946+KAGsB0hblzm9:+SypWGImkm6+Fmhb5
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (31cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to identify installed AV products by installation directory
watch Harvests credentials from local email clients
watch Installs itself for autorun at Windows startup
watch Makes SMTP requests
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 A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates a suspicious process
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 Performs some HTTP requests
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 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 Command line console output was observed
info One or more processes crashed
info Queries for the computername
info This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (22cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch UPX_Zero UPX packed file binaries (download)
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)
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 (download)
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 PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vba (no description) memory
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://showip.net/ Unknown 162.55.60.2 clean
us2.smtp.mailhostbox.com US PUBLIC-DOMAIN-REGISTRY 208.91.199.223 clean
showip.net Unknown 162.55.60.2 clean
162.55.60.2 Unknown 162.55.60.2 clean
208.91.199.224 US PUBLIC-DOMAIN-REGISTRY 208.91.199.224 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