MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d8eb4dc0afc0a97e464235870b3519f9947585194a1f9ef62763f5b04d51656c. 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: 16
| SHA256 hash: | d8eb4dc0afc0a97e464235870b3519f9947585194a1f9ef62763f5b04d51656c |
|---|---|
| SHA3-384 hash: | 2e5465507551a4a2bd1e4134dce776ad85c8f3a8d33f5789058e46d81ab12bcfc2bfa20cbd1d70d40608bb62547c5437 |
| SHA1 hash: | 7cfb5cb8ca8de6eeb2fd35546f8cc00dd759ebbf |
| MD5 hash: | 047aba7045d49c326776104f8a8d1ddf |
| humanhash: | apart-item-equal-berlin |
| File name: | d8eb4dc0afc0a97e464235870b3519f9947585194a1f9ef62763f5b04d51656c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 686'080 bytes |
| First seen: | 2025-12-08 15:30:18 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | application/x-dosexec |
| imphash | ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda) |
| ssdeep | 12288:TOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPi5b2eow8JYwagLmc+hj+xnQLu3rKaz:Tq5TfcdHj4fmbfbwzwaOQhjWQi3rK+iW |
| TLSH | T12FE42391A4DCCC61FAA03370907ADEA10255BA31CE55BB1D6B99F21EB8B22534C47F3D |
| TrID | 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6) 33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 13.1% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.6% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter | |
| Tags: | exe FormBook UPX |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 686'080 bytes |
|---|---|
| File size (de-compressed) : | 1'171'456 bytes |
| Format: | win32/pe |
| Unpacked file: | b3c60e8722e0c7d3f9d14d88403d435d48ab1f725bcfe72d6e33c2a56f585fda |
Intelligence
File Origin
HUVendor Threat Intelligence
Details
Result
Behaviour
Result
Behaviour
Unpacked files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 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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| 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: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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_Win_ETW_Bypass_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Windows ETW Bypass Detection Rule - 2025 |
| Reference: | https://cyfare.net/ |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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