MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b757fe9e2f6bdf330a3e4846ed04d167b5a5ef349654568bac2bf941655b488a. 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

SHA256 hash: b757fe9e2f6bdf330a3e4846ed04d167b5a5ef349654568bac2bf941655b488a
SHA3-384 hash: 58727260c8cbbd867d0d35c6285b2a4847befc2e723de73b391f668545d6d4016eff7b4eedb134385605eafeccd4aa75
SHA1 hash: 565cb81fc91f527525cab93389ed762ab816f10b
MD5 hash: 51a1ef31aed91f9490721ad9ccae5c68
humanhash: cola-ink-steak-seventeen
File name:b757fe9e2f6bdf330a3e4846ed04d167b5a5ef349654568bac2bf941655b488a
Download: download sample
Signature WannaCry
File size:5'298'176 bytes
First seen:2026-06-12 15:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0cdadfa1098d845dd3b4cf92625b5f04 (192 x WannaCry)
ssdeep 49152:jnsnHqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:DMHqPoBhz1aRxcSUDk36SAEdhv
Threatray 1'176 similar samples on MalwareBazaar
TLSH T17B36238931B881FCD106197484B78E22F3B37C6A26FE5B0F9B40457A1E53B56FB60B52
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 :
198
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-06-12 15:18:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
ransomware shellcode wannacry
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
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
Verdict:
Malicious
File Type:
dll x64
First seen:
2018-09-06T23:26:00Z UTC
Last seen:
2026-06-14T01:01:00Z UTC
Hits:
~100000
Detections:
Exploit.Win32.MS17-010.kpn Trojan.Win32.EquationDrug.sb Trojan.Win32.Eb.s Trojan-Ransom.Win32.Wanna.ak HEUR:Exploit.Win32.MS17-010.gen Trojan-Ransom.Win32.Wanna.m Trojan-Ransom.Win32.Wanna.apno HEUR:Worm.Win32.Generic Exploit.Win32.MS17-010.bf Trojan.Win32.Eb.b Trojan-Ransom.Win32.Wanna.sb HEUR:Trojan.Win32.EquationDrug.gen Exploit.Win32.MS17-010.cb Trojan.Win32.Eb.a HEUR:Trojan-Ransom.Win32.Wanna.gen
Gathering data
Threat name:
Win64.Ransomware.WannaCry
Status:
Malicious
First seen:
2026-06-12 15:16:38 UTC
File Type:
PE+ (Dll)
Extracted files:
2
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
b757fe9e2f6bdf330a3e4846ed04d167b5a5ef349654568bac2bf941655b488a
MD5 hash:
51a1ef31aed91f9490721ad9ccae5c68
SHA1 hash:
565cb81fc91f527525cab93389ed762ab816f10b
Detections:
WannaCry
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:WannaCry_Ransomware
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.

Comments