MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083. 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

Intelligence 17 IOCs YARA 16 File information Comments

SHA256 hash:	c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083
SHA3-384 hash:	b6f6d40074aedbec2f082ec5d44eea6fea419d7b9e4d0043f133c961d59b6697175be4e4e5f0923af9f7e7a7008f724d
SHA1 hash:	15895a1f6c36d664b7f48ec977b76df69420e77f
MD5 hash:	ceeb350ab38c6e4cd8754fa987c81923
humanhash:	video-lake-batman-robert
File name:	SecuriteInfo.com.Trojan.FbngENT.1.1929.28935
Download:	download sample
Signature	Formbook Create hunting rule
File size:	283'648 bytes
First seen:	2026-06-04 10:34:23 UTC
Last seen:	2026-06-04 11:48:11 UTC
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:N8Z0uHh4w13cglvxMweqYMf9Qajk5DGZp0Bv:G113plvxdSSTZ
Threatray	2'925 similar samples on MalwareBazaar
TLSH	T1485412A704C5F6C2C808EDB4A1B762DB8AA53371114D1F97952CBD37B1F45B28BCAE12
TrID	34.1% (.EXE) Win64 Executable (generic) (6522/11/2) 23.5% (.EXE) Win32 Executable (generic) (4504/4/1) 10.7% (.ICL) Windows Icons Library (generic) (2059/9) 10.6% (.EXE) OS/2 Executable (generic) (2029/13) 10.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	SecuriteInfoCom
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

170

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

formbook

ID:

File name:

DHL PACKAGE WAYBILL 98398093 PDF.js

Verdict:

Malicious activity

Analysis date:

2026-05-26 08:11:39 UTC

Tags:

loader formbook xloader

Link:

https://app.any.run/tasks/a1ed32c0-c9f2-4609-8df0-f9fe853f0d0b

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/68977/

Detection(s):

SecuriteInfo.com.Trojan.FbngENT.1.1929.28935.UNOFFICIAL

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a2154bbf8676ad4d360fd3a

Tags:

virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

crypt formbook microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/6a2154b4099ef368af1d6314/reports/090ba54f-2c15-43ab-a304-0d30d9418d10/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-05-28T18:30:00Z UTC

Last seen:

2026-06-06T01:42:00Z UTC

Hits:

~100

Detections:

Trojan-Spy.Noon.HTTP.ServerRequest Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb HEUR:Trojan-Spy.Win32.Noon.pef

Link:

https://opentip.kaspersky.com/c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a07a6d58-363e-47c4-ad16-49b1011ac078

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2026-05-27 19:04:58 UTC

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=yifngbpkkrbq2wzocosviz4da3ui5z2sexne44ex6vrnfqflqcbq._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/260604-mmcx6adw5m/

Behaviour

Suspicious behavior: EnumeratesProcesses

Program crash

System Location Discovery: System Language Discovery

Family: Formbook

Formbook payload

Unpacked files

SH256 hash:

c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083

MD5 hash:

ceeb350ab38c6e4cd8754fa987c81923

SHA1 hash:

15895a1f6c36d664b7f48ec977b76df69420e77f

Link:

https://www.unpac.me/results/027d107b-4f28-46af-9871-355d0658d96d/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c20ad305ea54/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.34

Link:

https://yomi.yoroi.company/submissions/c20ad305ea54430d5b2e13a554678306e88ee75225da4e7097f562d2c0ab8083

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:	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:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/