MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3efcd2e618da2b692521aaa727d2020bd68c31cfcb85249c8c048ae479271dda. 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 2 File information Comments

SHA256 hash: 3efcd2e618da2b692521aaa727d2020bd68c31cfcb85249c8c048ae479271dda
SHA3-384 hash: 35aa936fef1b83757c45ff77c5e717fabbb115660f2251b9bd76af156d5e25bf4e8e1b69ea87f9341fb53a431e967d5d
SHA1 hash: f3a73607fed796b6ef7cc377284fd69516e8b948
MD5 hash: 56e99da1ffd3380cbed19039ae335412
humanhash: lamp-william-gee-magazine
File name:M&M RFQ SUP 09-2026_pdf.js
Download: download sample
Signature Formbook
File size:3'127'284 bytes
First seen:2026-06-05 08:37:48 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:omcJ1APDbMHQ29xQrCA77ThlXI1WyJzmXyiqn5uWE0ON0dZCj2irexjEMW:f
TLSH T1C2E55B17D66F974E180A3B61106A5D9AFE89CAFCEF727BC4E0CF90B510EA1110B851B7
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
shellcode shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 encrypted evasive evasive fingerprint lolbin masquerade obfuscated obfuscated powershell reconnaissance repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-05T00:23:00Z UTC
Last seen:
2026-06-05T05:37:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1923486 Sample: M&M RFQ SUP 09-2026_pdf.js Startdate: 05/06/2026 Architecture: WINDOWS Score: 100 48 www.newhom.in 2->48 50 www.kebora.website 2->50 52 26 other IPs or domains 2->52 68 Suricata IDS alerts for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 9 other signatures 2->74 11 wscript.exe 3 2->11         started        signatures3 process4 file5 46 C:\Temp\ps_Ki85IokbdBKC_1780649371934.ps1, ASCII 11->46 dropped 80 Suspicious powershell command line found 11->80 82 Wscript starts Powershell (via cmd or directly) 11->82 84 Bypasses PowerShell execution policy 11->84 86 3 other signatures 11->86 15 powershell.exe 16 11->15         started        18 taskkill.exe 1 11->18         started        signatures6 process7 signatures8 88 Writes to foreign memory regions 15->88 90 Injects a PE file into a foreign processes 15->90 20 aspnet_compiler.exe 15->20         started        23 aspnet_compiler.exe 15->23         started        25 conhost.exe 15->25         started        29 25 other processes 15->29 27 conhost.exe 18->27         started        process9 signatures10 76 Maps a DLL or memory area into another process 20->76 31 58kNR0teML.exe 20->31 injected 78 Unusual module load detection (module proxying) 23->78 process11 signatures12 92 Maps a DLL or memory area into another process 31->92 34 rasautou.exe 13 31->34         started        process13 signatures14 60 Tries to steal Mail credentials (via file / registry access) 34->60 62 Tries to harvest and steal browser information (history, passwords, etc) 34->62 64 Modifies the context of a thread in another process (thread injection) 34->64 66 4 other signatures 34->66 37 8n25lh7QHv.exe 34->37 injected 40 msedge.exe 34->40         started        42 firefox.exe 34->42         started        44 chrome.exe 34->44         started        process15 dnsIp16 54 rydqb6nj.n.u00.eu 194.117.224.231, 49840, 49841, 49842 TWENTYFOURFIREDE Germany 37->54 56 suprame.net 81.169.145.105, 49832, 49833, 49834 STRATOSTRATOAGDE Germany 37->56 58 13 other IPs or domains 37->58
Gathering data
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection defense_evasion discovery execution rat spyware stealer trojan
Behaviour
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
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:Base64_Encoded_Powershell_Directives
Rule name:SUSP_obfuscated_JS_obfuscatorio
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io

File information


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

Comments