MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0a4d37a646e772df5b3f0641ca7dae1ea70d5e2752c1dad596e524f3847da4b. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: c0a4d37a646e772df5b3f0641ca7dae1ea70d5e2752c1dad596e524f3847da4b
SHA3-384 hash: b816598f967a585bd55c2e730e98f9eda14974e2ea03455a9e07c9bef42bbb56c77c18c94ef61ece7f9b6c5b2bf3d55a
SHA1 hash: 0259081fdfb69b748683e2c64850ca8b2629ab58
MD5 hash: 050c5ed8644eb77ce7e830bdc1fb111f
humanhash: nitrogen-gee-fillet-shade
File name:c0a4d37a646e772df5b3f0641ca7dae1ea70d5e2752c1dad596e524f3847da4b
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2026-01-04 07:32:00 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'108 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 98304:TDqPoBhz1aRxcSUDFNX6P6TOPVAqpYL5XEsWVYP84tot8E3DGm2OBlgQeOBMfQ4S:TDqPe1Cxcx6PGgYk4WCsgn602
Threatray 1'193 similar samples on MalwareBazaar
TLSH T13236F543C0071569E46D8A31D2ED1B90C92B1EA57A6CB08E6F27FA4A27F31D3B597D03
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 :
103
Origin country :
AU AU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
File Type:
dll x32
First seen:
2018-06-25T14:18:00Z UTC
Last seen:
2018-06-26T22:36:00Z 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:
2018-06-25 17:08:50 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
Modifies data under HKEY_USERS
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 (3172) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
c0a4d37a646e772df5b3f0641ca7dae1ea70d5e2752c1dad596e524f3847da4b
MD5 hash:
050c5ed8644eb77ce7e830bdc1fb111f
SHA1 hash:
0259081fdfb69b748683e2c64850ca8b2629ab58
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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