MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f. 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: 12

Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash:	2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f
SHA3-384 hash:	4060bf781930c6993d56e95ffe380e5b8d650b76c18722dcb979e49618d9758b8b72cc8331871280816b2008eec4c2f1
SHA1 hash:	f7d716b56a79fd06b53d190c6465126c24aeca04
MD5 hash:	276c71453dd8a3cef4fd8d8cc60ea221
humanhash:	comet-four-twelve-stream
File name:	2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f
Download:	download sample
Signature	WannaCry Create hunting rule
File size:	5'267'459 bytes
First seen:	2026-01-04 07:21:37 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	49152:DnnMSPbcBVSH9PAMEcaEau3R8yAH1plAH:jnPoBa9P593R8yAVp2H
Threatray	1'088 similar samples on MalwareBazaar
TLSH	T1A53633D06A8C21F8F1A55AB0D4334A29B6BB3C7D72368B1FA3C087650D537E36794B91
TrID	37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 12.7% (.EXE) Win64 Executable (generic) (10522/11/4) 7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	Butter1
Tags:	dll eternalblue honeypot SMB WannaCry

Intelligence

File Origin

# of uploads :

# of downloads :

132

Origin country :

Vendor Threat Intelligence

No detections

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/47430/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=695a1535e148d42004df28c8

Tags:

ransomware shellcode virus madi

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f

Verdict:

Malicious

File Type:

dll x32

First seen:

2018-07-24T06:11:00Z UTC

Last seen:

2018-07-24T09:38:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f/results?tab=lookup

Malware family:

Mimikatz

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4c3f1f25-a424-4a11-9bcf-79b200f9460e

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PE (Portable Executable) PE Memory-Mapped (Dump)

Link:

https://app.malva.re/file/276c71453dd8a3cef4fd8d8cc60ea221

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f/

Threat name:

Win32.Ransomware.WannaCry

Status:

Malicious

First seen:

2018-07-24 17:22:56 UTC

File Type:

PE (Dll)

Extracted files:

AV detection:

33 of 36 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fm53cmyeexygqp6pzjdja2o3cle6t7xlthl665xj2vgxo5iiqexq._file

Verdict:

malicious

Label(s):

wannacryptor

Result

Malware family:

wannacry

Score:

10/10

Tags:

family:wannacry discovery ransomware worm

Link:

https://tria.ge/reports/260106-kmsbqsylfq/

Behaviour

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Drops file in Windows directory

Creates a large amount of network flows

Executes dropped EXE

Contacts a large (3249) amount of remote hosts

Wannacry

Wannacry family

Unpacked files

SH256 hash:

2b3bb1330425f0683fcfca469069db12c9e9feeb99d7ef76e9d54d777508812f

MD5 hash:

276c71453dd8a3cef4fd8d8cc60ea221

SHA1 hash:

f7d716b56a79fd06b53d190c6465126c24aeca04

Detections:

WannaCry

Link:

https://www.unpac.me/results/8a9a0f79-8037-4742-a8dc-c8a7bc7ad269/

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

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:	Armadillov1xxv2xx Create hunting rule
Author:	malware-lu

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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

Rule name:	SUSP_Imphash_Mar23_2 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:	Internal Research

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

File information

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

Delivery method

Other

Cape

https://www.capesandbox.com/analysis/47430/

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