MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced
SHA3-384 hash: eb85ad7e5707721af87494650251f629b2943035c17c2a0903d962f5d09d2f44b569ec0b4e3adf4f21d85649dbaf74f1
SHA1 hash: b970bd81d15eef9b7e63db97a357aa7a10711341
MD5 hash: e15894e8ef3c78c33450d8389a8b1b7c
humanhash: queen-rugby-nevada-magnesium
File name:ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'298'176 bytes
First seen:2026-06-03 12:15:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0cdadfa1098d845dd3b4cf92625b5f04 (49 x WannaCry)
ssdeep 98304:DKlqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:DKlqPe1Cxcxk3ZAEUadzR8yc4H
Threatray 1'104 similar samples on MalwareBazaar
TLSH T1E5363398726CA1BCE0450EB444B38E1AF3B37C5967BA4B0F57C0867A0E53B97AB90751
TrID 39.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
21.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
8.3% (.EXE) Win64 Executable (generic) (6522/11/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter pawscobbler
Tags:dionaea exe WannaCry


Avatar
pawscobbler
Captured by Dionaea honeypot automation

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced.dll
Verdict:
No threats detected
Analysis date:
2026-06-03 12:17:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/478f0eb6-42fd-4274-a528-f518f47f58fd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68874/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
Create hunting rule

Win.Ransomware.Wannacry-9982112-0
Create hunting rule

Win.Ransomware.WannaCry-10011460-0
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
Create hunting rule

Win.Ransomware.Wanna-6888027-0
Create hunting rule

Win.Ransomware.Wanna-6888334-0
Create hunting rule

Win.Malware.Djwy-6923377-0
Create hunting rule

BC.Win.Exploit.Exe_With_CVE_2017_0147-6316126-2
Create hunting rule

Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a201af157b7bf261d608512
Tags:
ransomware shellcode wannacry virus
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 cmd crypto lolbin microsoft_visual_cc obfuscated overlay overlay packed packed ransomware ransomware smb wannacry
Link:
https://www.filescan.io/uploads/6a201b0d12da0d249c62e1b4/reports/ad1ec4ae-099f-45cc-91ed-239a0869ba5d/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced
Verdict:
Malicious
File Type:
dll x64
First seen:
2018-09-11T12:35:00Z UTC
Last seen:
2020-02-14T18:50:00Z UTC
Hits:
~1000
Detections:
Trojan-Ransom.Win32.Wanna.ak HEUR:Trojan.Win32.EquationDrug.gen HEUR:Exploit.Win32.MS17-010.gen Exploit.Win32.MS17-010.kpn Trojan.Win32.Eb.s Trojan-Ransom.Win32.Wanna.apno HEUR:Worm.Win32.Generic HEUR:Trojan-Ransom.Win32.Wanna.gen Trojan.Win32.Eb.b Trojan.Win32.Eb.a Trojan-Ransom.Win32.Wanna.m Exploit.Win32.MS17-010.cb Trojan.Win32.EquationDrug.sb Exploit.Win32.MS17-010.bf Trojan-Ransom.Win32.Wanna.sb
Link:
https://opentip.kaspersky.com/ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced/results?tab=lookup
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f4274e2-0360-451e-8bab-a4ed0b6b9988
Score:
72%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced/
Verdict:
Malicious
Threat:
Family.WANNACRY
Link:
https://tip.neiki.dev/file/ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced
Threat name:
Win64.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2026-06-03 12:16:34 UTC
File Type:
PE+ (Dll)
Extracted files:
2
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=547ryykqzxrgjs5thyv7zl72pfqoko3552clba3nwqnxt7bgbtwq._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
Similar samples:
50a9f720deb53f88edf2f6761f1f82aca0bbde9b98e8abc6f79a3f8390bbe67c
WannaCry
85b9eb097c475325269c7146cc3052734ec2cdf4a79b7feb67b184ab725923fc
WannaCry
9487edf9b75f4c15e3ba6ccbae23588ee3dc9c4983417f1b469278af17fc3847
WannaCry
9e0e61dfd8783dce6bde57af2ad4c892f481149426b229ecfe20242ae6b88974
WannaCry
error
WannaCry
+ 1'094 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260603-pe99ssfx8j/
Unpacked files
SH256 hash:
ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced
MD5 hash:
e15894e8ef3c78c33450d8389a8b1b7c
SHA1 hash:
b970bd81d15eef9b7e63db97a357aa7a10711341
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/1e387ab8-a770-4f9c-a23b-3faccc18c4a9/
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/ef3f1c6150cde264cbb33e2bfcaffa7960e53b7dee84b0836db41b79fc260ced

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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/68874/

Comments