MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 434e6d3b448f48a98ef5dc955d51c05b8e136c40fda5f6b8cff698eab989ad07. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 434e6d3b448f48a98ef5dc955d51c05b8e136c40fda5f6b8cff698eab989ad07
SHA3-384 hash: 0d10c9bca673532d08e85dbfed7d71cf210abeadade3cdb85fbcaf045f3f34fb4feada6de2474eddb43708a204ded411
SHA1 hash: 9a2d9296673086220e25c622c059ba1a7b65dd89
MD5 hash: 36785fe79d41b73fae95c26d6f64186d
humanhash: kilo-orange-oregon-speaker
File name:TRANSFERENCIAS.vbs
Download: download sample
Signature Formbook
File size:210'557 bytes
First seen:2024-10-04 09:06:20 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:WNBInRVWZdK7bP/UnsNVl+5NBInRVWZdK7bP/UnsNVl+jmYp:0FDsNVl+3FDsNVl+jmYp
Threatray 24 similar samples on MalwareBazaar
TLSH T16F249423DB05AA0445870A7CCB4957277C6C95B8F2F9EED4EAF6582058F8732616B3CC
Magika vba
Reporter abuse_ch
Tags:FormBook vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
110
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Clean
Score:
89.1%
Tags:
exploit micro
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper evasive lolbin regasm
Result
Verdict:
UNKNOWN
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Benign windows process drops PE files
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Potential malicious VBS script found (has network functionality)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2024-10-03 17:03:33 UTC
File Type:
Text (VBS)
AV detection:
4 of 38 (10.53%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments