MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4e085b7e840498044a9d2d3b7932f1d1e1015380d3d55d8bddfa70d3dde40ef3. 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: 14
| SHA256 hash: | 4e085b7e840498044a9d2d3b7932f1d1e1015380d3d55d8bddfa70d3dde40ef3 |
|---|---|
| SHA3-384 hash: | c31de70e68c8062f6396c81d07c78813aab5267f9bf7714381146dc029339a62e68a72e24e509f0b42bc89edda10bb29 |
| SHA1 hash: | 6513fec6bc86a4195a2c09210e99cfd3a47cfe55 |
| MD5 hash: | 391fe6726a16b3d50256263521786474 |
| humanhash: | magazine-oxygen-twenty-equal |
| File name: | 4e085b7e840498044a9d2d3b7932f1d1e1015380d3d55d8bddfa70d3dde40ef3 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 835'072 bytes |
| First seen: | 2026-11-09 08:22:38 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'350 x AgentTesla, 20'845 x Formbook, 12'417 x SnakeKeylogger) |
| ssdeep | 12288:K5HxEGsM2zV/xQZSmaoYZ6Lj9AcXHbUIo4BV3gn2kL8yBZWj9a51ro2mCP:4A9HQJYcLj9AeHbUKBVQ2kVaa5mCP |
| TLSH | T1E60501482769D707C569A3F86AB2F13417B97EEA3911E2028FC9BDEF352AF404D00593 |
| 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 :
48
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
formbook
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-09 17:00:36 UTC
Tags:
rgbloader loader formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Creating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
FormBook.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-17T22:17:00Z UTC
Last seen:
2026-11-05T03:45:00Z UTC
Hits:
~1000
Gathering data
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Threat name:
Win32.Trojan.MassLogger
Status:
Malicious
First seen:
2026-10-18 01:23:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector evasion
YARA:
n/a
Malware Family:
msil
Malicious:
True
Tags:
polymorphic dotnet peexe
Unpacked files
SH256 hash:
4e085b7e840498044a9d2d3b7932f1d1e1015380d3d55d8bddfa70d3dde40ef3
MD5 hash:
391fe6726a16b3d50256263521786474
SHA1 hash:
6513fec6bc86a4195a2c09210e99cfd3a47cfe55
SH256 hash:
9000678cc590e5919acdc9aee503eb6854a636c719e0f6cf4614c18e5fe2e94c
MD5 hash:
697c68287a31ea1909233c2f389968bf
SHA1 hash:
4b2d20c337ab0bc83ba758abcbb3cefc85038b79
SH256 hash:
5780410ebba8d36865cd9864d775aa60c931ceecaed422a95aba0f6b41f52e75
MD5 hash:
b551e165cd07959341d238ae2c4f66b2
SHA1 hash:
96733b91a0e1a8c5a261e6df086b3c4535aaefed
SH256 hash:
22022adde7f7d8807d5444e1433a6d8210ae50fb02b98145618cb3f6827c8a63
MD5 hash:
aedbc9a35b43a7835a00fcb3dfca8c6e
SHA1 hash:
543c58860904fe57fc2de640d9ab31fc124cac14
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | VIGIA_Formbook_17e263ff |
|---|---|
| Author: | VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector |
| Description: | b2bcacf7-0124-4f63-ad19-69b0102fe4c4 - Conjunctive sample-specific and variant indicators |
| Reference: | https://vigia.bisite.es/ |
| Rule name: | VIGIA_RemcosRAT_e53b23f6 |
|---|---|
| Author: | VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector |
| Description: | RemcosRAT indicators with an original-sample recovery pathway |
| Reference: | https://vigia.bisite.es/ |
| 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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