MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8b5a285d51d9d4aaebe88da69d1c22612063ec19476c3b0a6c6838fb69fcb375. 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: 17
| SHA256 hash: | 8b5a285d51d9d4aaebe88da69d1c22612063ec19476c3b0a6c6838fb69fcb375 |
|---|---|
| SHA3-384 hash: | b10a52565990b640b97f747f68d3cb3e31a3542993b24d6055207fc8096833e927f31a71b18a082e6ac8388098d74ebe |
| SHA1 hash: | 8dd146b92837d8f15429db2ef2d07ff4105f7f05 |
| MD5 hash: | c2ac9e4c52365f83b037fa08ff845f3e |
| humanhash: | gee-vegan-paris-mountain |
| File name: | 8b5a285d51d9d4aaebe88da69d1c22612063ec19476c3b0a6c6838fb69fcb375 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 779'776 bytes |
| First seen: | 2025-10-09 14:14:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 12288:6LhEAET9V7Tlq3C4jlvTHfR+X2+RBxWRp8xT+I9YVWzU4CAUJ0Mn4b:6NEAET9hlJGR2JnWyT+I9sApCAUJ0 |
| Threatray | 1'861 similar samples on MalwareBazaar |
| TLSH | T19DF40195339AE902E4B28BF05970E3B413B8BE5E6C21D3095EF9ADEFB834B405915713 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.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 :
62
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8b5a285d51d9d4aaebe88da69d1c22612063ec19476c3b0a6c6838fb69fcb375.exe
Verdict:
No threats detected
Analysis date:
2025-10-09 14:40:47 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
virus shell micro
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
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T03:12:00Z UTC
Last seen:
2025-10-10T07:20:00Z UTC
Hits:
~1000
Detections:
VHO:Backdoor.Win32.Agent.gen PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.gen Trojan-Spy.Noon.HTTP.ServerRequest Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb
Malware family:
Formbook
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
ByteCode-MSIL.Trojan.VIPKeylogger
Status:
Malicious
First seen:
2025-09-18 06:29:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 36 (72.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
unc_loader_078
formbook
Similar samples:
+ 1'851 additional samples on MalwareBazaar
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
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8b5a285d51d9d4aaebe88da69d1c22612063ec19476c3b0a6c6838fb69fcb375
MD5 hash:
c2ac9e4c52365f83b037fa08ff845f3e
SHA1 hash:
8dd146b92837d8f15429db2ef2d07ff4105f7f05
SH256 hash:
36724b12d91a6fa2ac5df47fa325f3dfb8aab23e814133d6481cfc0d461a198c
MD5 hash:
8944c570ec2fdd28d743564e1eaa2c1f
SHA1 hash:
158f6535f27d13a4481fa3ab4314ffb72df0f6e2
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
319c55e5de20096b3d81934f35082982aad533de44844bd99f162b775fa65c04
MD5 hash:
4f67af7f56db4a28b72c3b3a0d3899df
SHA1 hash:
bb56630326df69d494c0a80753fda3f223d16fb5
SH256 hash:
e9a5e95f94202638399fad5d064d4920b564f80458a77a6109cbd8012669cf71
MD5 hash:
3da0d4c4350bcb25e1db964af12da907
SHA1 hash:
fb956da9230193ef0c9de81bae8320cbcada5a33
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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