MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b78c518f16c37c8ca5b8c2cb2a0d803f2c82ccbcbec472055419a64b363873a6. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: b78c518f16c37c8ca5b8c2cb2a0d803f2c82ccbcbec472055419a64b363873a6
SHA3-384 hash: 650f688ac8311194d91034f89f0293f580fe7b721371c490cb85dd1383f2cc14ef0f87e28916f120d00a59bd79b286e0
SHA1 hash: 7d8cc3348c59b35dc8cfed4991d2aa19765f29fc
MD5 hash: 14b53c06fcf80044769af6943df30695
humanhash: saturn-mirror-stairway-lithium
File name:b78c518f16c37c8ca5b8c2cb2a0d803f2c82ccbcbec472055419a64b363873a6
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2026-03-12 00:00:53 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'123 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 98304:+DqPoBhz1aRxcSUDk36SAChvxWa9P593R8yAVp2H:+DqPe1Cxcxk3ZAzadzR8yc4H
Threatray 1'596 similar samples on MalwareBazaar
TLSH T17D362314A2E86768E2B21FB610778B1453B63D5A9DAB874F0790908F0C33F5DEEE1B15
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 enthec
Tags:dll WannaCry

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
wannacry madi
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto evasive lolbin microsoft_visual_cc overlay overlay packed ransomware ransomware runonce smb soft-404 wanna wannacry wannacry wannacrypt wannacryptor
Verdict:
Malicious
File Type:
dll x32
First seen:
2018-06-06T21:24:00Z UTC
Last seen:
2018-06-07T00:34:00Z UTC
Hits:
~10
Detections:
Trojan-Ransom.Win32.Wanna.m Trojan.Win32.Eb.b HEUR:Worm.Win32.Generic HEUR:Trojan-Ransom.Win32.Wanna.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.Win32.EquationDrug.gen Trojan-Ransom.Win32.Wanna.zbu Trojan.Win32.EquationDrug.sb Trojan.Win32.Eb.f Trojan.Win32.Eb.a HEUR:Exploit.Win32.MS17-010.gen HEUR:Trojan-Ransom.Win32.Wanna.a Trojan-Ransom.Win32.Wanna.sb
Gathering data
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2018-06-07 00:11:42 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
Modifies data under HKEY_USERS
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Contacts a large (2676) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
b78c518f16c37c8ca5b8c2cb2a0d803f2c82ccbcbec472055419a64b363873a6
MD5 hash:
14b53c06fcf80044769af6943df30695
SHA1 hash:
7d8cc3348c59b35dc8cfed4991d2aa19765f29fc
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:NET
Author:malware-lu
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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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