MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23bd5057a6a3e71690c0315e3ca8bb6fb243545f9b3b148142e02c24dd8ea7bb. 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 9 File information Comments

SHA256 hash: 23bd5057a6a3e71690c0315e3ca8bb6fb243545f9b3b148142e02c24dd8ea7bb
SHA3-384 hash: 0f6cca267c07550376029b71d4d29d1cf7b46e2eeff309e2240a4c72056fcb27da05f7f25205b492ce294958c3784285
SHA1 hash: 7bec90bf83835b93a718e22b2851d8561eda55d0
MD5 hash: a1bbc4f908c7e79fa740abb5574e5733
humanhash: july-magazine-south-uncle
File name:23bd5057a6a3e71690c0315e3ca8bb6fb243545f9b3b148142e02c24dd8ea7bb
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2026-01-04 07:41:51 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 49152:RnpEKUv9wC7+VQej/1INRx+TSqTdX1HkQo6SAARdh:1pyv+Fhz1aRxcSUDk36SAEdh
Threatray 487 similar samples on MalwareBazaar
TLSH T19636235530A8C0B4D103157048ABCB62F6B6BC2917BA694FBF904E7E3F637A1E715B42
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 :
123
Origin country :
AU AU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
shellcode trojware eqtonex madi
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Verdict:
Malicious
File Type:
dll x32
First seen:
2022-11-20T22:14:00Z UTC
Last seen:
2022-11-20T22:55:00Z UTC
Hits:
~10
Detections:
Exploit.Win32.MS17-010.kpn Trojan-Ransom.Win32.Wanna.m Trojan.Win32.Eb.f Trojan.Win32.Eb.b Trojan.Win32.Eb.a HEUR:Worm.Win32.Generic HEUR:Trojan.Win32.EquationDrug.gen HEUR:Exploit.Win32.MS17-010.gen Trojan-Ransom.Wanna.UDP.C&C PDM:Trojan.Win32.Generic Trojan-Ransom.Win32.Wanna.amap Trojan.Win32.EquationDrug.sb HEUR:Trojan-Ransom.Win32.Wanna.gen
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2022-11-07 03:52:14 UTC
File Type:
PE (Dll)
Extracted files:
15
AV detection:
33 of 36 (91.67%)
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 (3336) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
23bd5057a6a3e71690c0315e3ca8bb6fb243545f9b3b148142e02c24dd8ea7bb
MD5 hash:
a1bbc4f908c7e79fa740abb5574e5733
SHA1 hash:
7bec90bf83835b93a718e22b2851d8561eda55d0
SH256 hash:
0f06847a4e3fea7a68b8d8489be7ff9599162bfb28fd526db0c2a5e9c660df35
MD5 hash:
39722dab391012509fa02b8cb75ed92f
SHA1 hash:
eb67ca0abd1672465b31ce37e2e23daaddddae03
Detections:
WannaCry_Ransomware WannaCry_Ransomware_Gen
SH256 hash:
b3e46a6d061aff51d5cebd44e789f653cc70f79e3b90454e0c644f811f2793e3
MD5 hash:
906bb589e34e49e1802a267671c47aea
SHA1 hash:
c272f83829d9661be163b7f42b6c5fa1cbf3851e
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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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