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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72cfd8fead92c552e4029c1b9398a57a3e87ec38127a1136fc2e0eb80b8a1d6c. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72cfd8fead92c552e4029c1b9398a57a3e87ec38127a1136fc2e0eb80b8a1d6c
SHA3-384 hash: c71cd3017abc2acd9385862e093eef743e12d879c88631d2adfda0e1f9db14d20582dc498b4153ca8c7172e64f25eae2
SHA1 hash: 284325a8c1bb7d37e3ca63e658ccccfbe1e71e20
MD5 hash: d964e763e648baf747cde10575d4d3b3
humanhash: diet-quebec-carpet-mountain
File name:20230517d964e763e648baf747cde10575d4d3b3wannacry
Download: download sample
Signature WannaCry
Create hunting rule
File size:3'723'264 bytes
First seen:2023-05-18 13:48:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ecee117164e0b870a53dd187cdd7174 (82 x WannaCry, 1 x Worm.Virut)
ssdeep 49152:VnjQqMSPbcBVQen8/oQUE92/xJAbfhjOBhuHYXr6jYdPJTF4hL:Z8qPoBhnBEs5JQZjOaYXr6jO2
TLSH T119067D10E74B817ADFAB017115FEEA1E4029AE9803789FD7C3542F1756399C36A33B89
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter JaffaCakes118
Tags:WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20230517d964e763e648baf747cde10575d4d3b3wannacry
Verdict:
No threats detected
Analysis date:
2023-05-18 18:00:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/66f53676-59e0-443f-98a3-8bc70f5773d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.VBS.Downloader-21.UNOFFICIAL
Create hunting rule

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-6803937-0
Create hunting rule

Win.Ransomware.Wannacrypt-6804263-0
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a service
Launching a service
Searching for synchronization primitives
Sending a custom TCP request
Enabling autorun for a service
Forced shutdown of a system process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/72cfd8fead92c552e4029c1b9398a57a3e87ec38127a1136fc2e0eb80b8a1d6c
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d1c04e3a-e4cc-4fdc-97db-36d58749e7ef
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1236620
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Connects to many IPs within the same subnet mask (likely port scanning)
Detected Wannacry Ransomware
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/72cfd8fead92c552e4029c1b9398a57a3e87ec38127a1136fc2e0eb80b8a1d6c/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2023-02-25 15:51:00 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
36 of 37 (97.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=olh5r7vnslcvfzactqnzhgffpi7ip3bycj5bcnx4fyhlqc4kdvwa._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/230518-q4wclsbf72/
Behaviour
Modifies data under HKEY_USERS
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (1368) amount of remote hosts
Contacts a large (3151) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
72cfd8fead92c552e4029c1b9398a57a3e87ec38127a1136fc2e0eb80b8a1d6c
MD5 hash:
d964e763e648baf747cde10575d4d3b3
SHA1 hash:
284325a8c1bb7d37e3ca63e658ccccfbe1e71e20
Link:
https://www.unpac.me/results/377b8607-5819-4206-8c61-7afe419b11ef/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/72cfd8fead92c552e4029c1b9398a57a3e87ec38127a1136fc2e0eb80b8a1d6c

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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
Rule name:WannaCry_Ransomware_Gen
Create hunting rule
Author:Florian Roth (Nextron Systems) (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:WannaCry_Ransomware_Gen_RID302B
Create hunting rule
Author:Florian Roth (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:Win32_Ransomware_WannaCry
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects WannaCry ransomware.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments