MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234. 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: 19

Intelligence 19 IOCs YARA 20 File information Comments

SHA256 hash:	244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234
SHA3-384 hash:	754e24009d9627987092a8a5955b3767e389c48a382cd4c7e4f6396686a6b0ee2db64fca6968e5abdeb44f99c760b67b
SHA1 hash:	a042923fe9d5f4a3143d35436a8da326654f08a7
MD5 hash:	722bfb4829b928f90f4c3858d840ce6d
humanhash:	three-mirror-hamper-summer
File name:	SecuriteInfo.com.Win32.MalwareX-gen.2107.2349
Download:	download sample
Signature	Formbook Create hunting rule
File size:	777'216 bytes
First seen:	2025-09-18 04:21:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:EQOVhEAEDKv8vxVbZoP1jFIJbZ4gbmLCSiFPrB31wjuhUdnDyrHK3LB74I:sEAEwixVbZoNjFIsgbmeft15CdnGrHKl
Threatray	1'241 similar samples on MalwareBazaar
TLSH	T1E8F41255334AED03C2921BF01471E3B913B86E4DB926D2876FE9ACFFBC297811D45292
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
Reporter	SecuriteInfoCom
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

108

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

SecuriteInfo.com.Win32.MalwareX-gen.2107.2349

Verdict:

Malicious activity

Analysis date:

2025-09-18 04:27:06 UTC

Tags:

formbook xloader

Link:

https://app.any.run/tasks/fee77720-7e3d-4715-a17c-80782be3241d

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/28027/

Detection(s):

no reply from clamd

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68cb88dd88b95443924794b1

Tags:

shell spawn

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Creating a process with a hidden 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)

Adding an exclusion to Microsoft Defender

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/68cb890d73287948292e4591/reports/fc3ee91e-7a4c-4451-bdf1-78bc48042f95/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-09-18T00:16:00Z UTC

Last seen:

2025-09-18T00:16:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7111dc18-d7f8-4b2f-a7bb-92dd4be0e77c

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.16 Win 32 Exe x86

Link:

https://app.malva.re/file/722bfb4829b928f90f4c3858d840ce6d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-09-18 03:52:17 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

32 of 38 (84.21%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ergwas4ovkosiixmmr2ckbet4blmgmraa6kf2epwxo4zcsk4si2a._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/250918-ezbxmaaj4x/

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

Link:

https://app.threat.zone/submission/320cb10f-2796-451d-aeba-716d68e5cbdb

Unpacked files

SH256 hash:

244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234

MD5 hash:

722bfb4829b928f90f4c3858d840ce6d

SHA1 hash:

a042923fe9d5f4a3143d35436a8da326654f08a7

Link:

https://www.unpac.me/results/90b5b0c7-f881-48f0-ac91-273c4439a118/

SH256 hash:

22eacd4e01c2b1293e754d2861d922603411ca7ab9a1d12759fccd220dd4b2cf

MD5 hash:

da1348b1f322167b2370afc0c0471c0c

SHA1 hash:

79429b4cc746d67e7dd107fdded5380b8a879bbc

Link:

https://www.unpac.me/results/90b5b0c7-f881-48f0-ac91-273c4439a118/

SH256 hash:

1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12

MD5 hash:

e870d1e8f3791ccc141f85f40fd2972b

SHA1 hash:

150919ee289cffa6feb40ab8261f620dd7e26aac

Link:

https://www.unpac.me/results/90b5b0c7-f881-48f0-ac91-273c4439a118/

SH256 hash:

9d5ecf048e99e201e64a185a4018125df4d425e6c6d32dafa8b9666ca74e13cb

MD5 hash:

5ad98c7ea03a452a7c7e6b98489dcdd2

SHA1 hash:

4fbf126bcc97db4c0b5789b9864f8da10f7fa13e

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/90b5b0c7-f881-48f0-ac91-273c4439a118/

SH256 hash:

23134001b91e28af1bc7d9baaf101a282d032541d1ffbeec774891f5fca09a31

MD5 hash:

c6b73f7f17fd29a2f012475f9faede02

SHA1 hash:

c8a3fafeb9fad905b67e0c39c3137dd23d510011

Link:

https://www.unpac.me/results/90b5b0c7-f881-48f0-ac91-273c4439a118/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/244d604b8eaa/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/244d604b8eaa9d2422ec6474250493e056c3322007945d11f6bbb991495c9234

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_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET 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

File information

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

Cape

https://www.capesandbox.com/analysis/28027/

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