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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af
SHA3-384 hash: 7b37cae6bd0deca3cae1f61a6eab5a4d03a047716c7d76594fad1b43ab4b5c4a7c4c6e8570d986c184737d3157d2cec1
SHA1 hash: 56ad055e8632ef9fd5829beabc3d682ca33d6223
MD5 hash: 6d2543c53d9e316af0806f8a853160b7
humanhash: delta-pennsylvania-fish-skylark
File name:023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2026-01-04 07:54:22 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:MWCPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:MWCPe1Cxcxk3ZAEUadzR8yc4H
Threatray 1'285 similar samples on MalwareBazaar
TLSH T16D363394622CB2FCF0440EB44463896BB7B73C6967BA5E1F8BC086670D53B5BAFD0641
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 :
190
Origin country :
AU AU
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47572/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wannacryptor-9940180-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
Create hunting rule

Win.Ransomware.Wannacry-9982112-0
Create hunting rule

Win.Ransomware.WannaCry-10011460-0
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
Create hunting rule

Win.Ransomware.Wanna-6888027-0
Create hunting rule

Win.Ransomware.Wanna-6888334-0
Create hunting rule

Win.Malware.Djwy-6923377-0
Create hunting rule

BC.Win.Exploit.Exe_With_CVE_2017_0147-6316126-2
Create hunting rule

Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695a1cf0e148d42004df3836
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto lolbin microsoft_visual_cc overlay overlay packed ransomware smb wanna wannacry wannacry wannacrypt wannacryptor
Link:
https://www.filescan.io/uploads/695a1ce6127d6a14e0cef8ee/reports/1d5b7188-5196-4c02-8831-d1ac8c7381d6/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af
Verdict:
Malicious
File Type:
dll x32
First seen:
2017-07-07T19:23:00Z UTC
Last seen:
2024-06-28T23:11:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af/results?tab=lookup
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5dd80c7c-a8f0-4bc3-b57c-6cbe974c8a0d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Link:
https://app.malva.re/file/6d2543c53d9e316af0806f8a853160b7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-07-08 08:17:23 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
27 of 30 (90.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ai6n4t4ezj3kl2c37xxfwkuk6w5hekqyavi4kliwo2ybijbrwsxq._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
Similar samples:
1eef54fd2c7c89dd0cb37eaa1aca24b359573d9fafce7e4b5945712896d85115
WannaCry
2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621
WannaCry
40817631c9126d9c6ee51ed0bfae33a33c81c21188384b6f3ccbbf14aeadf272
WannaCry
80af5e08895469ebfa7e5b1e6f4209dd01711c8e18774aa2630eb34fe9afdafd
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a
WannaCry
b526b497766170557454e63bcb3c759d79ef853a157f13ab6b9cc9b9c022bbb6
WannaCry
c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c
WannaCry
eac6b0bbe69ef8c0dc8e36cbff6d5c2a7cb4d662f4d88e5bc8b596b2275d694b
WannaCry
error
WannaCry
+ 1'275 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/260106-jdcn9axqb1/
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 (3302) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
023cde4f84ca76a5e85bfdee5b2a8af5ba722a180551c52d1676b0142431b4af
MD5 hash:
6d2543c53d9e316af0806f8a853160b7
SHA1 hash:
56ad055e8632ef9fd5829beabc3d682ca33d6223
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/0d996e2f-eaf9-4c2f-ab31-13c5c6b08183/
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
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:SUSP_Imphash_Mar23_2
Create hunting rule
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
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/47572/

Comments