MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3d9aae7952fca2b91194e5eee2003838305078a267ddf782bb1354446e23d33e. 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: | 3d9aae7952fca2b91194e5eee2003838305078a267ddf782bb1354446e23d33e |
|---|---|
| SHA3-384 hash: | 2c6396495d9ce38ff5f64408a4371203fc2986516fe610e9022fdafa4d73cee093389873bc6291186d6f99fb1afc5f19 |
| SHA1 hash: | 5e06d615085a72bd60ab4a9fcd5a8df107c8443e |
| MD5 hash: | d648b575255c6b79086c710ef1db88ef |
| humanhash: | sierra-juliet-lake-blue |
| File name: | Remittance Advice.zip |
| Download: | download sample |
| Signature | Formbook |
| File size: | 729'542 bytes |
| First seen: | 2025-11-20 08:13:55 UTC |
| Last seen: | 2025-11-20 08:14:11 UTC |
| File type: | zip |
| MIME type: | application/zip |
| ssdeep | 12288:wp0C5sa8n6nx+atZrfIXm7ZW3kwtBVlxyjmwiWqSnS/0R6cEidgYTqu/x:wuCua86XDIXm7Z2kwpbREzytuukjx |
| TLSH | T1E4F4235B8EDE907BC5C05388C7F4164E88BD8BF7464E58A23E9D564EB2D2B4C0F8C529 |
| Magika | zip |
| Reporter | |
| Tags: | FormBook zip |
cocaman
Malicious email (T1566.001)From: ""Witold Hoffmann Seacraft" <witold.hoffmann@seacraft.eu>" (likely spoofed)
Received: "from seacraft.eu (unknown [192.227.128.185]) "
Date: "20 Nov 2025 08:06:14 +0100"
Subject: "Follow up remittance advice "
Attachment: "Remittance Advice.zip"
Intelligence
File Origin
CHFile Archive Information
This file archive contains 1 file(s), sorted by their relevance:
| File name: | Remittance Advice.exe |
|---|---|
| File size: | 1'167'360 bytes |
| SHA256 hash: | dbd4d458efddc920806baa4184cfa0aaf0b301b85d62c92b09f751d3f4f74b70 |
| MD5 hash: | 7a2790335597af11629ef4c43cbbfad0 |
| MIME type: | application/x-dosexec |
| Signature | Formbook |
Vendor Threat Intelligence
Result
Behaviour
Result
Details
Result
Behaviour
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
| Rule name: | win_formbook_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
| Rule name: | YahLover |
|---|---|
| Author: | Kevin Falcoz |
| Description: | YahLover |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Formbook
zip 3d9aae7952fca2b91194e5eee2003838305078a267ddf782bb1354446e23d33e
(this sample)
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