MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b27568f809aea3774a486aea2bc9cf28be07e281676b2c7d430cf0957f9d3489. 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: | b27568f809aea3774a486aea2bc9cf28be07e281676b2c7d430cf0957f9d3489 |
|---|---|
| SHA3-384 hash: | 4eee77348cbde850461c9076aceca8670e5a6fae25c91eb1badd1bb7782f45999e9ecd470a8e92f5b28475245937d783 |
| SHA1 hash: | a27e64b50df750fbfea9a3d804b9a21a2861c4e9 |
| MD5 hash: | 333a83be8ebec68e2a840cf50111693d |
| humanhash: | ceiling-may-may-lake |
| File name: | b27568f809aea3774a486aea2bc9cf28be07e281676b2c7d430cf0957f9d3489 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 819'200 bytes |
| First seen: | 2026-11-09 09:12:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'364 x AgentTesla, 20'869 x Formbook, 12'418 x SnakeKeylogger) |
| ssdeep | 12288:yeuruAN/BSATMEUFo/XMRj/anvUf9Nm0Q3DmPSL8Nwsl+G9GbWD98cgUSr:y9hSATMm/XmFNm00Dijwsl+lqeUS |
| TLSH | T1C505DF08263B9B02D87A6FF45E71E1B007F96C6A2234D2594ED22DDF7523B00BE46767 |
| TrID | 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
183
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-09 23:28:16 UTC
Tags:
rgbloader loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
96.5%
Tags:
injection virus micro
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-28T20:14:00Z UTC
Last seen:
2026-11-05T03:54:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.45 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Status:
Malicious
First seen:
2026-10-28 23:41:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 36 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Malware Family:
n/a
Verdict:
Suspicious
Tags:
injector
YARA:
n/a
Malware Family:
msil
Malicious:
True
Tags:
peexe polymorphic dotnet obfuscated debugger-check
Unpacked files
SH256 hash:
b27568f809aea3774a486aea2bc9cf28be07e281676b2c7d430cf0957f9d3489
MD5 hash:
333a83be8ebec68e2a840cf50111693d
SHA1 hash:
a27e64b50df750fbfea9a3d804b9a21a2861c4e9
SH256 hash:
5fba701fcda2ae5fed56e9403ec6d8d5f01a831383a176d0baf195eb644ffce6
MD5 hash:
9fa4e6b1fe8c88cbb32d4b88150859b6
SHA1 hash:
1f2e8e87596030d3783f401cadb6d7809a503f0a
SH256 hash:
b9ef8fef5b455817a626806044ae6567cb1f7bafaa7d17a7724a02a25f90d2d2
MD5 hash:
86ce51cb209a5dcd67d0b47572b4e9e2
SHA1 hash:
b6ea8196e73da138d403048b659127ffd5c0c73f
SH256 hash:
585a801de72bb711ea8c2f5570d050f73556c53372bbfdb8777d196ea749d655
MD5 hash:
cbc48c6693e62708b3c8f9f028d23518
SHA1 hash:
7024e8debcb87c96452e8b39be6d92e55698fc83
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
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: | DotNet_RGB_Embedded_AssemblyLoader_Hunt |
|---|---|
| Author: | ShadowOpCode |
| Description: | Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading |
| Rule name: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| Rule name: | HUNT_NET_Loader_ImagePixel_To_AssemblyLoad |
|---|---|
| Author: | Anish Bogati |
| Description: | Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders. |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects Derialock (pe, etat extrait) |
| Rule name: | WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects XWorm (pe, etat extrait) |
| Rule name: | WIN_Sample_Unique_69354b41 |
|---|---|
| Author: | Marjoriefort |
| Description: | Specimen unique (soumission Bazaar) - strings distinctifs propres au sample |
| Reference: | 69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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