MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e78d873a275cb56ace7042e6bb1c734d84545a08baf4f789712fba37280267e3. 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: 10
| SHA256 hash: | e78d873a275cb56ace7042e6bb1c734d84545a08baf4f789712fba37280267e3 |
|---|---|
| SHA3-384 hash: | 9af192654bfc4c3b907cb6fcda899a29bb1d1c3909bdfcb12b1b22fbe00c3b42bd644b4bef911984f60e651db9c3185d |
| SHA1 hash: | e3678a0bff956cab30061b02f8760608ebccb5b7 |
| MD5 hash: | 16c1fd7f1586fd61c657e51d34102bca |
| humanhash: | kitten-march-potato-louisiana |
| File name: | MV CHRYSANTHI S_VESSEL_DESCRIPTION.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 3'044'815 bytes |
| First seen: | 2026-09-14 00:17:41 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | text/plain |
| ssdeep | 12288:9jx5kAYypUmxi4Zf0yrkGRgA5BBbf96/AOWcfjJ55ziokUG:f5kAYypUmxi4Zf0yrkQ |
| TLSH | T155E52BB373C7B94DA89523ECEDCC15081B4FD4194F9235E4A0EB0BC45A4BD5A1AA4CAF |
| Magika | javascript |
| Reporter | |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
169
Origin country :
CHVendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 cscript encrypted evasive evasive fingerprint lolbin obfuscated obfuscated powershell reconnaissance repaired taskkill wscript
Verdict:
Malicious
Labled as:
GT:JS.ObfPadding.8
Verdict:
Malicious
File Type:
js
First seen:
2026-09-13T20:45:00Z UTC
Last seen:
2026-09-15T22:34:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
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
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:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2026-09-13 23:51:31 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 24 (50.00%)
Threat level:
1/5
Detection(s):
Suspicious file
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.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.