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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa40bdbdd5305d4fab585b65633e7c27b36ef79ccf51983f8e41ac3573ebf944. 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 6 File information Comments

SHA256 hash: fa40bdbdd5305d4fab585b65633e7c27b36ef79ccf51983f8e41ac3573ebf944
SHA3-384 hash: 871361810168ffd1dc912ec4bb2070e16ae4345a864f70acd743f2075f3386c1193ca7ab9a8463a9df6f82c8a00ec401
SHA1 hash: 58a75425a9e7331de5f9d62d74d5ab063df90996
MD5 hash: 5818d137c6c7324aa05a01c8c3cfe9d9
humanhash: fourteen-snake-mobile-kitten
File name:fa40bdbdd5305d4fab585b65633e7c27b36ef79ccf51983f8e41ac3573ebf944
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2026-01-04 07:32:25 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 98304:d8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2P:d8qPe1Cxcxk3ZAEUadzR8yc4P
Threatray 1'215 similar samples on MalwareBazaar
TLSH T1833633A4622CA2FCF0450EB44463895BB7B33C69A7FE5E1F8B8046670D43B5BAFD0641
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 :
1
# of downloads :
128
Origin country :
AU AU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto lolbin microsoft_visual_cc overlay overlay packed ransomware ransomware smb wanna wannacry wannacry wannacrypt wannacryptor
Verdict:
Malicious
File Type:
dll x32
First seen:
2017-06-03T02:55:00Z UTC
Last seen:
2025-08-03T07:13:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2017-06-02 23:05:24 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (3315) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
fa40bdbdd5305d4fab585b65633e7c27b36ef79ccf51983f8e41ac3573ebf944
MD5 hash:
5818d137c6c7324aa05a01c8c3cfe9d9
SHA1 hash:
58a75425a9e7331de5f9d62d74d5ab063df90996
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:Armadillov1xxv2xx
Author:malware-lu
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:SUSP_Imphash_Mar23_2
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
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

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