Report - brain.ps1

XWorm Formbook Hide_EXE Generic Malware WebCam Antivirus Malicious Library Confuser .NET Code injection KeyLogger AntiDebug AntiVM PE File DLL PE32 .NET DLL .NET EXE
ScreenShot
Created 2025.03.13 09:58 Machine s1_win7_x6401
Filename brain.ps1
Type ASCII text, with very long lines, with CRLF line terminators
AI Score Not founds Behavior Score
13.4
ZERO API file : malware
VT API (file) 14 detected (Countermeasure, DotNetToJScript, Attribute, HighConfidence, PowerShell, POWLOAD, SMERB, Zapchast, MulDrop, PSDrop, Detected, Boxter, HNBE, Encpe)
md5 62f57d817459bd722949f54a03302b88
sha256 5a07f8d776d28bf2ce80615f558d4002be4f19e6f9b35ff7aec76d963a2891f9
ssdeep 1536:Ea8QOgLzmKoJo9bcnvKjCcaI+iFodWo02wjx:ZbCK9bcnvKjCcaI+iFodWo1wjx
imphash
impfuzzy
  Network IP location

Signature (26cnts)

Level Description
danger The process powershell.exe wrote an executable file to disk which it then attempted to execute
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 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 Creates a windows hook that monitors keyboard input (keylogger)
watch Drops a binary and executes it
watch File has been identified by 14 AntiVirus engines on VirusTotal as malicious
watch One or more non-whitelisted processes were created
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 Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
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

Rules (24cnts)

Level Name Description Collection
danger Win_Trojan_Formbook_Zero Used Formbook binaries (upload)
danger Win_XWorm_3_M_Zero Win XWorm V3.1 memory
warning Generic_Malware_Zero Generic Malware binaries (download)
warning hide_executable_file Hide executable file binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch ConfuserEx_Zero Confuser .NET binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch RAT_WebCam Remote Administration toolkit using webcam memory
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice KeyLogger Run a KeyLogger 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_DLL (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (download)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://176.65.144.3/dev/brain.exe Unknown 176.65.144.3 mailcious
176.65.144.3 Unknown 176.65.144.3 malware

Suricata ids



Similarity measure (PE file only) - Checking for service failure