MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c
SHA3-384 hash: ba1cfe557d0d0edae4dc4fd88dbdd06d8be275ec1d2f06e10100709633955d10620915d0a75cdde1c1a257a5476efbd1
SHA1 hash: e6d895bb23c272304dd1f0bab75470a2ca8aac27
MD5 hash: ce0de28178ed1757c6321e6396ecefe4
humanhash: kitten-five-alanine-edward
File name:Payment_Advice07082025.js
Download: download sample
Signature Formbook
Create hunting rule
File size:43'690 bytes
First seen:2025-08-08 16:47:00 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:FC6JFgNvGHBON6PNA0IT442eE/Pll/6jq9B6hwGFjEDZbUs76oINsoBP67mhT5Tz:0ErPGMxZwg4h156EIzgmzQ8SeO
TLSH T1C2137CC1E9F4E33BC31A66343755CE8BEF2A922771B814B27921689C4EB579643340DE
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68962a321e8a59ee04e78a29
Tags:
obfuscate xtreme shell
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68962a322fbe0788fb1c63fb/reports/338a79ce-ca0e-49de-89e0-345eb5229606/overview
Verdict:
Suspicious
Labled as:
JS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753163
Signature
Bypasses PowerShell execution policy
Creates processes via WMI
Found Tor onion address
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
91%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-08-07 12:58:57 UTC
File Type:
Binary
AV detection:
8 of 23 (34.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkxuw3az3lmluqkjrirfxngczkd7brdzh4krf4d5zi75nowbamoa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/250808-vawhqszrw7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Suspicious use of SetThreadContext
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
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.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/5aaf4b6c19dad8ba41498a225bb4c2ca87f0c4793f1512f07dca3fd6bac1031c

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
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File information

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

Comments