MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 996af4d198b0b45434f13f844a5cf9f133c81802814cd79a4be20e0e1c6373a3. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 996af4d198b0b45434f13f844a5cf9f133c81802814cd79a4be20e0e1c6373a3
SHA3-384 hash: 129e4c964181c987c000f67b695c4cebfa5f5b202129a9f69878aed9e09ea7b73aa70ec970db78e6b9f56639da4962af
SHA1 hash: 418d9132ea43757182b881c7c28e0c3e4f9ee42c
MD5 hash: 55b405e5595fbd8e1dcfd4601b9e6205
humanhash: california-hydrogen-idaho-apart
File name:marraw.js
Download: download sample
Signature Formbook
File size:70'577 bytes
First seen:2026-01-19 18:25:30 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:4oCHWFAmwLuoNXNbv8Tjuou6akRVAdCA5iux+5FbGqkE8FGeQqRh7gw/KTQY5:4RWFA5XWTjuouVkuCA5ub9BEQYhMw/y
Threatray 2'537 similar samples on MalwareBazaar
TLSH T1F063ECF196016D4508ECB8395FECB7BB747DE2446129609FB82FB9EBB8DE1005C148DA
Magika javascript
Reporter James_inthe_box
Tags:exe FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
US US
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
70%
Tags:
ransomware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Maloader
Verdict:
Malicious
File Type:
js
First seen:
2026-01-19T03:23:00Z UTC
Last seen:
2026-01-21T14:00:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.Generic Trojan-Downloader.PowerShell.NanoShield.sb Trojan.JS.SAgent.sb
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-01-19 08:29:59 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook defense_evasion discovery execution rat spyware stealer trojan
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
Process spawned unexpected child process
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:ClamAV_Emotet_String_Aggregate

File information


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

Comments