MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d20de63c153327fdaef5073fd50edb815da7a908321da9f1f8edaba662b4b563. 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 File information Comments

SHA256 hash: d20de63c153327fdaef5073fd50edb815da7a908321da9f1f8edaba662b4b563
SHA3-384 hash: f2c3faa1c0b85c0eccb8d90264cf5f5c37ae8ef58e3cf058a0fe1d6235e9653d6ffe39406a2d727a0b9938df7a057a63
SHA1 hash: bd0dc2a470c225d487df5d1c27d61bc16b25225e
MD5 hash: 0ee0f73bc65991c20240160a65951370
humanhash: wolfram-twelve-connecticut-blue
File name:invoice payment.JS
Download: download sample
Signature Formbook
File size:3'150'702 bytes
First seen:2026-08-10 08:03:59 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 98304:HEesTszC/ZbS2hY0rdqv+vZSPFNkVboZLkrj6HIpMIElRJ5MloHw3KC6QcUvOUuF:VMVRO2hfYlNQ8ZYrOiMIErJkoHw6rQcN
TLSH T1AEE5F6412799AD337320AB9C923ADDF0D50A561314C6DF1631ADF2187B2CD4BAB58AF3
Magika javascript
Reporter lowmal3
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 dropper evasive masquerade obfuscated obfuscated packed repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-08-10T03:10:00Z UTC
Last seen:
2026-08-12T04:03:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
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
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)
Uses ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1954933 Sample: invoice payment.JS.js Startdate: 10/08/2026 Architecture: WINDOWS Score: 100 30 www.plainframe.info 2->30 32 www.oxesqfws.com 2->32 34 8 other IPs or domains 2->34 48 Suricata IDS alerts for network traffic 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected FormBook 2->52 54 4 other signatures 2->54 10 wscript.exe 1 3 2->10         started        signatures3 process4 signatures5 66 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->66 68 WScript reads language and country specific registry keys (likely country aware script) 10->68 13 QDPYMNKULGYMVHFJ.PIF 1 10->13         started        process6 signatures7 70 Found API chain indicative of debugger detection 13->70 72 Modifies the context of a thread in another process (thread injection) 13->72 74 Maps a DLL or memory area into another process 13->74 76 3 other signatures 13->76 16 u6KphCkY.exe 13->16 injected 19 conhost.exe 13->19         started        process8 signatures9 42 Binary is likely a compiled AutoIt script file 16->42 44 Maps a DLL or memory area into another process 16->44 46 Found direct / indirect Syscall (likely to bypass EDR) 16->46 21 ipconfig.exe 13 16->21         started        process10 signatures11 56 Tries to steal Mail credentials (via file / registry access) 21->56 58 Tries to harvest and steal browser information (history, passwords, etc) 21->58 60 Modifies the context of a thread in another process (thread injection) 21->60 62 3 other signatures 21->62 24 7AeGWycVNX4x.exe 21->24 injected 28 firefox.exe 21->28         started        process12 dnsIp13 36 www.plainframe.info 209.38.221.170, 49772, 49773, 49774 DIGITALOCEAN-ASN-DigitalOceanLLCUS Germany 24->36 38 www.84855.top 104.21.37.198, 49780, 49781, 49782 CLOUDFLARENET-CloudflareIncUS Canada 24->38 40 4 other IPs or domains 24->40 64 Binary is likely a compiled AutoIt script file 24->64 signatures14
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-08-10 07:14:15 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 38 (31.58%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook execution rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments