MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174
SHA3-384 hash: 69cb0f782012cd34fba87107700adfbc0f2f66a6559a9f9a7fbc4c344ef1586c553c7df4e5867c24bfc14bb94a647466
SHA1 hash: edf7a23adfbe866c62101affb89cac5c2e3fa396
MD5 hash: da40274f364b503f82e43425169f4999
humanhash: march-venus-muppet-spaghetti
File name:457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174
Download: download sample
Signature Formbook
Create hunting rule
File size:1'076'224 bytes
First seen:2026-08-10 14:33:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:dKwj/Og33+yVMjubQV3LN1fG8QDM4RopG1KzUuuK5U5:8CP5AVLNJGnoxUR
TLSH T14D351244A6AFEE12C1B58771C8E2D0F403B21E0DD822D65B4EE9BDDB3535B468AD4353
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 3e73715d4d5d7d23 (62 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ca469932-23e8-4c54-9423-ffbd4d7bb0cb/
Gathering data
Detection(s):
Win.Packed.Formbook-10060452-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
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:
base64 entropy formbook net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/6a79e1825ca504a8496e2c19/reports/e0a865a9-2e81-4135-a888-104fa1cefb36/overview
Verdict:
Malicious
Labled as:
FormBook.Generic
Link:
https://www.hybrid-analysis.com/sample/457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-20T07:08:00Z UTC
Last seen:
2026-08-08T11:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2feb2d93-ed27-4417-9d0a-de10ef8f1ab8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-07-20 15:48:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/dd1f8a5a-2a4a-4363-b7b4-f351fa4831fe
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-rzmqcawwgt/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174
MD5 hash:
da40274f364b503f82e43425169f4999
SHA1 hash:
edf7a23adfbe866c62101affb89cac5c2e3fa396
Link:
https://www.unpac.me/results/13fad894-d906-4531-a037-cd613ea560df/
SH256 hash:
ea43635801d7830ac31bde5ec187e384d6351a3fa0029594f5f203240d581b31
MD5 hash:
b6fc98ebe8a82afa9fc10081015af06e
SHA1 hash:
3a82263cfaa6d919c5dede6910b9443bb75460b1
Link:
https://www.unpac.me/results/13fad894-d906-4531-a037-cd613ea560df/
SH256 hash:
68543d8c749da0e73c72ae4397da7b77709645b1fc0da3ea3bcd8e93909a7e4e
MD5 hash:
c458467edaa22ca0a0704d50ff8e270f
SHA1 hash:
5608ed3ad0b32b7c02f0f275bc271d3db30ddcea
Link:
https://www.unpac.me/results/13fad894-d906-4531-a037-cd613ea560df/
SH256 hash:
0ccda5fb8da309f4ca1af9510db9bbcbf8d91c6a12758f2ff05bfc885d46e764
MD5 hash:
19c91fe72a4e7aa7b59d84baf6ce9383
SHA1 hash:
672187a0dbc9f2314ffb8b34f9601fb29b2eb1d7
Link:
https://www.unpac.me/results/13fad894-d906-4531-a037-cd613ea560df/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/457c5d6c20d5/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/457c5d6c20d50e70ea52ce11b6089caec01d01385a170c30e1da9c8f73de2174

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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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/79923/

Comments