MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbf41a65dcfd5c00a9564cbed62ad766d2fff30e43d6e567a87591947bc79086. 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: cbf41a65dcfd5c00a9564cbed62ad766d2fff30e43d6e567a87591947bc79086
SHA3-384 hash: 8f640071185a5884a8debadecb9e2d16e9d8312313e083d0b7ae752f35d1b52554189ee213b4bad237358609b023e4c9
SHA1 hash: 26b115199a6e579ed73cc4fa4602e3cfa4188559
MD5 hash: a5ddbb7fe1d1bb0af5ddbd0de8ccb3b3
humanhash: eleven-equal-sink-king
File name:cbf41a65dcfd5c00a9564cbed62ad766d2fff30e43d6e567a87591947bc79086
Download: download sample
Signature WannaCry
File size:5'298'176 bytes
First seen:2026-05-21 01:39:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0cdadfa1098d845dd3b4cf92625b5f04 (17 x WannaCry)
ssdeep 49152:jn2nAQqMSPbcBVQej/1INN7+TSqTdX1HkQo6DRdhnvxbk5gE:DyDqPoBhz1aN7cSUDk369dhvx5E
Threatray 994 similar samples on MalwareBazaar
TLSH T1AF36BF03FEE57026CA1A27768C59DDF50F23FC4242CA1AAA255C2535352374B8BCABF5
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 :
153
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_cbf41a65dcfd5c00a9564cbed62ad766d2fff30e43d6e567a87591947bc79086.dll
Verdict:
No threats detected
Analysis date:
2026-05-21 01:43:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware shellcode wannacry virus
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cmd crypto lolbin microsoft_visual_cc overlay packed ransomware ransomware reconnaissance smb wannacry
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-05-20T22:48:00Z UTC
Last seen:
2026-05-20T23:03:00Z UTC
Hits:
~10
Detections:
Trojan-Ransom.Win32.Wanna.m Trojan-Ransom.Win32.Wanna.ak HEUR:Worm.Win32.Generic HEUR:Trojan.Win32.EquationDrug.gen Exploit.Win32.MS17-010.cb Trojan.Win32.Eb.a Trojan-Ransom.Win32.Wanna.sb HEUR:Exploit.Win32.MS17-010.gen Exploit.Win32.MS17-010.bf Trojan.Win32.Eb.s Trojan-Ransom.Win32.Wanna.zbu Trojan.Win32.Eb.b HEUR:Trojan.Win32.Generic HEUR:Trojan-Ransom.Win32.Wanna.gen Trojan.Win32.EquationDrug.sb
Gathering data
Threat name:
Win64.Ransomware.WannaCry
Status:
Malicious
First seen:
2021-07-21 08:11:16 UTC
File Type:
PE+ (Dll)
Extracted files:
3
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
cbf41a65dcfd5c00a9564cbed62ad766d2fff30e43d6e567a87591947bc79086
MD5 hash:
a5ddbb7fe1d1bb0af5ddbd0de8ccb3b3
SHA1 hash:
26b115199a6e579ed73cc4fa4602e3cfa4188559
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:DebuggerException__SetConsoleCtrl
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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