MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc. 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


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc
SHA3-384 hash: c0bf1a58673ae69c2c56986411fd7278ea78cd86b21617adf3d75a956c3e901f0ac439d024e3591ec1969669dd19c410
SHA1 hash: a88d641ab198405d17c27ff4de5adcdbe843c9db
MD5 hash: ff51b0cbc5929b65e0ff470b3c25cdb6
humanhash: friend-vermont-oxygen-grey
File name:87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc
Download: download sample
Signature Formbook
Create hunting rule
File size:1'139'712 bytes
First seen:2026-08-10 14:36:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'339 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:ep50xc1fqOLKhjVQq7koAKAntNtSRscOmy5cjoA2ywwgg6LDl4:epN1fbKhjB7k6ytQpy5cjfrwwel4
TLSH T1D135F1242217D802D1D6C7B3F8A1D7B422A54ECFB9D2D2875FE93FE7796A3C21990241
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
dhash icon 3e73715d4d5d7d23 (62 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7256a8a4-5dad-4a0c-9586-3971dff0af86/
Malware family:
n/a
ID:
1
File name:
產品介紹.rar
Verdict:
Suspicious activity
Analysis date:
2026-07-21 06:05:39 UTC
Tags:
arch-exec netreactor
Link:
https://app.any.run/tasks/1e1fc7e3-13c4-439c-8317-fe0d2ae239b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79945/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a 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)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt entropy formbook net_reactor obfuscated packed packed vbnet
Link:
https://www.filescan.io/uploads/6a79e26d5ca504a8496e2fab/reports/6d55dbb0-1157-4fdc-8453-a247820b36f3/overview
Verdict:
Malicious
Labled as:
FormBook.Generic
Link:
https://www.hybrid-analysis.com/sample/87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-21T01:25:00Z UTC
Last seen:
2026-08-11T07:38:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2026-07-21 08:58:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
28 of 36 (77.78%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/18295548-3054-43de-ae94-b33350a979ca
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-r6h1qsgh44/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc
MD5 hash:
ff51b0cbc5929b65e0ff470b3c25cdb6
SHA1 hash:
a88d641ab198405d17c27ff4de5adcdbe843c9db
Link:
https://www.unpac.me/results/3e69df4f-0ac1-4c2f-9565-734e67916b67/
SH256 hash:
e4e98c56847f65b0ec79dd0fcd73f780be8e5b64a78def50b3d447c6a22aab6d
MD5 hash:
3e279146474e41a20e10d71196dea18c
SHA1 hash:
c3abd761f47fc10a6e546d214517de85e1cb64a0
Link:
https://www.unpac.me/results/3e69df4f-0ac1-4c2f-9565-734e67916b67/
SH256 hash:
c4cb265657e24750cad53da6f8aa13a51b00bbb8206b7c1f0dd7ecd874834774
MD5 hash:
60d08c3e64ca08ada2fbd7236bf9b665
SHA1 hash:
efb2a832c66ebd2939b75b34dbce08a85f7d3f8e
Link:
https://www.unpac.me/results/3e69df4f-0ac1-4c2f-9565-734e67916b67/
SH256 hash:
cc5781c066be55657e2d616ebe1f8a6f67daee08bfd5434d88dd452a292369b1
MD5 hash:
e401c5da3eb7a65cb4b6838e1488495e
SHA1 hash:
7546246c840db3aef76dac9aa415e76a12f2cbee
Link:
https://www.unpac.me/results/3e69df4f-0ac1-4c2f-9565-734e67916b67/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87691458306e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/87691458306e42eec95b219e128eeeb3a7dbaac2ad595d173823840542df9ccc

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/79945/

Comments