MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d
SHA3-384 hash: 747d47dc05cec53f09aae952b5256ccad4ca42e9088f0a3c1b567f8100ab516afecf9bf900fd269b18a724a78adc7bd4
SHA1 hash: e9d6ac48a99ae1242b6f45c2c187b320f4406e80
MD5 hash: 9c9eb3987c07ed19b8786cad5f5d93a7
humanhash: grey-sixteen-hamper-emma
File name:RESOCONTO INSOLUTI al 31102025 - ATTENZIONE IBAN.js
Download: download sample
Signature Formbook
Create hunting rule
File size:23'265 bytes
First seen:2025-11-04 12:01:33 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:JziL6g3ihi7AP03Mc2DwB2nBXzh5QpAVjaw0wJStrR76:xiL627Jh2DNNzLQaVAw+R76
TLSH T1B8A2F0CDBFC2B36113B7B4A36D17B05AA36BBC40F44D6198F238D5A4F860728D992875
Magika javascript
Reporter Mangusta
Tags:147-124-222-89 blackhawk FormBook js Spam-ITA

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6909eb359942f1282ecbed41
Tags:
ransomware shell spawn
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Link:
https://www.hybrid-analysis.com/sample/c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d
Verdict:
Malicious
File Type:
js
First seen:
2025-11-04T08:30:00Z UTC
Last seen:
2025-11-05T07:55:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb Trojan.PowerShell.Cobalt.sb Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.InjectorNetT.s Trojan.Win32.Agent.sb Trojan-Downloader.Agent.HTTP.C&C Trojan-Spy.Noon.HTTP.ServerRequest Backdoor.Agent.HTTP.C&C
Link:
https://opentip.kaspersky.com/c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d/results?tab=lookup
Score:
79%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-11-04 12:01:58 UTC
File Type:
Text (JavaScript)
AV detection:
3 of 23 (13.04%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuvcz4odam3zfny2h6t4znwjj5nunzvy43zxg7odcyuuigg532oq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251104-n7r39abt5e/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c52a2cf1c303/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c52a2cf1c3033792b71a3fa7ccb6c94f5b46e6b8e6f3737dc316294418ddde9d

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_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments