MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea. 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

WannaCry

Vendor detections: 10

Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash:	374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea
SHA3-384 hash:	b17481e281764bde939d847062e33ff066202a27d6fba394428aac641a615d12a5173afe4a07ccc223d3a2f9d84daf57
SHA1 hash:	0557a164db5b41ba2925a37ada6896b6b361090a
MD5 hash:	9135308a54128612137748dd6fc8689e
humanhash:	river-ohio-lima-nineteen
File name:	9135308a54128612137748dd6fc8689e
Download:	download sample
Signature	WannaCry Create hunting rule
File size:	5'267'459 bytes
First seen:	2022-07-20 07:37:36 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep	98304:T8qPoBhz1aRxcSUDk36SAEdhv093R8yAVp2:T8qPe1Cxcxk3ZAEOR8yc4
Threatray	447 similar samples on MalwareBazaar
TLSH	T13C3633A5617CE2FCE0141EF144678967A7F37C56A7FA0E1F8F8046A60D43B5AAFC0942
TrID	38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 13.0% (.EXE) Win64 Executable (generic) (10523/12/4) 8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	openctibr
Tags:	dll OpenCTI.BR Sandboxed WannaCry

Intelligence

File Origin

# of uploads :

# of downloads :

438

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/292825/

Detection(s):

Win.Ransomware.Wanna-9769986-0

Win.Ransomware.Wannacryptor-9940180-0

Win.Ransomware.Wanacryptor-9942127-1

Win.Ransomware.WannaCry-6313787-0

Win.Malware.Djwy-6775897-0

Win.Ransomware.Wanna-6888027-0

Win.Ransomware.Wanna-6888334-0

Win.Malware.Djwy-6923377-0

Win.Exploit.Doublepulsar-7427328-0

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd.exe greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry worm

Link:

https://www.filescan.io/uploads/62d7b0fbb1b58ed7a173d364/reports/81b47917-08b2-43e3-a273-b56a0b81a5b6/overview

Result

Threat name:

Wannacry

Detection:

malicious

Classification:

rans.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1037288

Behaviour

Behavior Graph:

n/a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea/

Threat name:

Win32.Ransomware.WannaCry

Status:

Malicious

First seen:

2019-04-17 17:20:09 UTC

File Type:

PE (Dll)

Extracted files:

AV detection:

36 of 41 (87.80%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g5fkm52s7bi64s75tomlmegpp3roi7mnanx5amy2dggf2dushdva._file

Verdict:

malicious

Result

Malware family:

wannacry

Score:

10/10

Tags:

family:wannacry discovery ransomware worm

Link:

https://tria.ge/reports/220720-jgdeysdfgl/

Behaviour

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

Drops file in Windows directory

Drops file in System32 directory

Creates a large amount of network flows

Contacts a large (1268) amount of remote hosts

Executes dropped EXE

Contacts a large (3235) amount of remote hosts

Wannacry

Unpacked files

SH256 hash:

374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea

MD5 hash:

9135308a54128612137748dd6fc8689e

SHA1 hash:

0557a164db5b41ba2925a37ada6896b6b361090a

Link:

https://www.unpac.me/results/5d223d09-e0a7-4f15-b80b-7b4bd4914f76/

Malware family:

WannaCry

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/374aa67752f8/report/overview.html

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

Threat name:

Malicious File

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	WannaCry_Ransomware Create hunting rule
Author:	Florian Roth (with the help of binar.ly)
Description:	Detects WannaCry Ransomware
Reference:	https://goo.gl/HG2j5T

Rule name:	WannaCry_Ransomware_Gen Create hunting rule
Author:	Florian Roth (based on rule by US CERT)
Description:	Detects WannaCry Ransomware
Reference:	https://www.us-cert.gov/ncas/alerts/TA17-132A

Rule name:	Win32_Ransomware_WannaCry Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects WannaCry ransomware.

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/292825/

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