MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5a29ccff35df35d6df4e7364adc80f90b3aa447dec2b6098ec855aaad6398c13. 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: | 5a29ccff35df35d6df4e7364adc80f90b3aa447dec2b6098ec855aaad6398c13 |
|---|---|
| SHA3-384 hash: | e43a1dc42b43cda0287fe80fb91c7139f21b5a55ca54bc0ceaaa06aaf859218b0618defda2c5fc30c9bfc5c3e77ac382 |
| SHA1 hash: | e277734a86321ca3e6f613d0ea158964f220d331 |
| MD5 hash: | d5dd7bad5a4ebede3c10297e603f07b7 |
| humanhash: | floor-london-carbon-utah |
| File name: | 5a29ccff35df35d6df4e7364adc80f90b3aa447dec2b6098ec855aaad6398c13 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 823'296 bytes |
| First seen: | 2026-11-09 09:13:40 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 | 24576:H98SATMdAh9K6hy/DqX9pTFKAuPrU7uOH:HzAHKYyM9pAAquL |
| TLSH | T1D705E004223A9B12D8766FF15E71E1B007F96C6A7234E25A1ED62DDB7573B00BE02727 |
| 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 :
166
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Detection:
Formbook
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a process with a hidden window
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)
Blocking the Windows Defender launch
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-29T01:19:00Z UTC
Last seen:
2026-10-29T06:33:00Z UTC
Hits:
~10
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
Adds a directory exclusion to Windows Defender
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
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
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:
2026-10-29 04:12:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery evasion execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Modifies Windows Defender DisableAntiSpyware settings
Malware Family:
n/a
Verdict:
Malicious
Tags:
evasion injector
YARA:
n/a
Malware Family:
msil
Malicious:
True
Tags:
peexe dotnet polymorphic obfuscated
Unpacked files
SH256 hash:
5a29ccff35df35d6df4e7364adc80f90b3aa447dec2b6098ec855aaad6398c13
MD5 hash:
d5dd7bad5a4ebede3c10297e603f07b7
SHA1 hash:
e277734a86321ca3e6f613d0ea158964f220d331
SH256 hash:
375357551579dcac1a5b3e9504c12e33b8094db15c153d97b08af402350b802c
MD5 hash:
91080bad60359db7956a6284e8d3ad30
SHA1 hash:
a18c3e1bc16c859b6072cc9d039d7f2b883142fe
SH256 hash:
b9ef8fef5b455817a626806044ae6567cb1f7bafaa7d17a7724a02a25f90d2d2
MD5 hash:
86ce51cb209a5dcd67d0b47572b4e9e2
SHA1 hash:
b6ea8196e73da138d403048b659127ffd5c0c73f
SH256 hash:
6d66fb055e77a64052f8c68f608930aff4ba0d80031148ee6b08071e024cd0f2
MD5 hash:
7d66f22984bfe5a9f2f9982f90c7215c
SHA1 hash:
ae9ffe37ed87098ea1708015717a694cc79a0e48
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: | 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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