MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477. 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: 15


Intelligence 15 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477
SHA3-384 hash: 572efd447aefc4f5256a4ab2f3cb96337d6def2b18827214d5912eba82bbfd0cb1ec314f006a307ab5dcde303425dea6
SHA1 hash: e4ad5357edc744354b1205462e1cd67d6d4fcf40
MD5 hash: a9352ffbc427cabee5482eb91c00684a
humanhash: oklahoma-fruit-fourteen-mango
File name:4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477
Download: download sample
Signature Formbook
Create hunting rule
File size:1'092'096 bytes
First seen:2026-08-10 13:27:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:F1BSNaKw000jb9BqybVlzQCbaDyVfKo2Hy4vAEeBXRNua4i1:FyVLVRBjwDRo2Hy4YoDi
TLSH T1A13501C43B29B71EDE6409349539EEB542F91E68B110BAD32EDD7B477AAD201AC0CF41
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 08786464d8d060a8 (5 x Formbook, 1 x RemcosRAT, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/470320f5-113c-4a8d-9f79-f71dfe0133cf/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79504/
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:
packed
Link:
https://www.filescan.io/uploads/6a79d1d09319687c8f7beb0d/reports/e0385471-483f-4679-aeaf-ecd39c3d5632/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-29T01:01:00Z UTC
Last seen:
2026-08-03T03:49:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d856a8b-3e00-40c7-9741-93ca5260a2e0
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2026-06-29 08:22:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 36 (69.44%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvxh7fcbvngm2eqn2yqyohbpbxgv2grwpflx7iearsbldtkdir3q._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/86c8b382-1eac-4177-9c80-d5d5e7ca7190
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-qrhwragd66/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477
MD5 hash:
a9352ffbc427cabee5482eb91c00684a
SHA1 hash:
e4ad5357edc744354b1205462e1cd67d6d4fcf40
Link:
https://www.unpac.me/results/10001250-6378-41c5-b834-9e623567fed7/
SH256 hash:
27f00eef1e561c28e5633cdc63246ef07d38fac953ca5fb9f81bccf2ff8f83d0
MD5 hash:
152f9bc833a334911eb44a52e56f7093
SHA1 hash:
09ad4829666507df40fce8d99c8d28025ec3d512
Link:
https://www.unpac.me/results/10001250-6378-41c5-b834-9e623567fed7/
SH256 hash:
3f53c9b7b3d9655bef339d9107865ea1dbe4ca60d7299be6f9794a167800325c
MD5 hash:
ceb195dd3cfbd4b8c8167604c06cda75
SHA1 hash:
8d26735771bb5b23111e00e0c7f6072a7564e473
Link:
https://www.unpac.me/results/10001250-6378-41c5-b834-9e623567fed7/
SH256 hash:
4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477
MD5 hash:
a9352ffbc427cabee5482eb91c00684a
SHA1 hash:
e4ad5357edc744354b1205462e1cd67d6d4fcf40
Link:
https://www.unpac.me/results/10001250-6378-41c5-b834-9e623567fed7/
SH256 hash:
7d43cd701d54aab94f8d9805a0372999a9ba993ecf87d63a94bf8f9291f52859
MD5 hash:
ad9b2e6391e6ddb7e260334836ea064f
SHA1 hash:
8c96b96ac3d1bac7e75d1f60372b0d2550bddbfb
Link:
https://www.unpac.me/results/10001250-6378-41c5-b834-9e623567fed7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d6e7f9441ab/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/4d6e7f9441ab4ccd120dd621871c2f0dcd5d1a3679577fa0808c82b1cd434477

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

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/79504/

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