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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f303f63ce004b21c2eedf2a3a0620fc852a2013b915d1a684c5a336bc9e076df. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f303f63ce004b21c2eedf2a3a0620fc852a2013b915d1a684c5a336bc9e076df
SHA3-384 hash: e9728fb741b8b61a01ec69a5ccb81cc009356e0f0d2302640ab516096080bc92df523926c0a606af6b503b6cad7a0d1c
SHA1 hash: 33d17d80f31bece06f6ffdac5588c2260f8609cd
MD5 hash: fac8eb5903e75826620bc436687c9185
humanhash: kentucky-nebraska-lactose-solar
File name:fac8eb5903e75826620bc436687c9185
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 03:56:16 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 24576:RbLguqQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAd:RnaQqMSPbcBVQej/1I
Threatray 228 similar samples on MalwareBazaar
TLSH T1E636236A75BCA1FCC11A237564778E2695B73C5A22BD970F8F508A620C03764FFA4B03
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292433/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
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

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d77d1a00d6e9040b579d83/reports/6deb7c19-69c0-4495-b7c7-bc867d420f68/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/27c69957-d731-4124-84e6-76d478275f9c
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037075
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
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
Snort IDS alert for network traffic
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669569 Sample: 9YQ4q9wIEn Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 6 other signatures 2->63 8 loaddll32.exe 1 2->8         started        10 mssecsvr.exe 2->10         started        14 svchost.exe 2->14         started        16 11 other processes 2->16 process3 dnsIp4 18 cmd.exe 1 8->18         started        20 rundll32.exe 8->20         started        23 rundll32.exe 1 8->23         started        49 192.168.2.120 unknown unknown 10->49 51 192.168.2.121 unknown unknown 10->51 53 99 other IPs or domains 10->53 71 Connects to many different private IPs via SMB (likely to spread or exploit) 10->71 73 Connects to many different private IPs (likely to spread or exploit) 10->73 75 Changes security center settings (notifications, updates, antivirus, firewall) 14->75 26 MpCmdRun.exe 1 14->26         started        signatures5 process6 file7 28 rundll32.exe 18->28         started        65 Drops executables to the windows directory (C:\Windows) and starts them 20->65 30 mssecsvr.exe 7 20->30         started        43 C:\Windows\mssecsvr.exe, PE32 23->43 dropped 34 conhost.exe 26->34         started        signatures8 process9 dnsIp10 36 mssecsvr.exe 7 28->36         started        55 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 30->55 45 C:\WINDOWS\qeriuwjhrf (copy), PE32 30->45 dropped file11 process12 dnsIp13 47 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 36->47 41 C:\Windows\tasksche.exe, PE32 36->41 dropped 67 Antivirus detection for dropped file 36->67 69 Machine Learning detection for dropped file 36->69 file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f303f63ce004b21c2eedf2a3a0620fc852a2013b915d1a684c5a336bc9e076df/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-02-28 09:00:14 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
36 of 41 (87.80%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mb7mphaaszbylxn6kr2ayqpzbjkeaj3sforu2cmlizwxspao3pq._file
Verdict:
malicious
Similar samples:
0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
WannaCry
0ef3e12c837bd305c71966452aa170f20d4c3756a13308935a984e82bb76cc8b
WannaCry
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
48fc9ccb42ec0234df4d4f41db1d0cb1e1fe6aa5e640c28625aa3d73e65d2856
WannaCry
4bf1fbbd994e86b9419d03ba4e930e2367837952ce603cbbed1d71750718c7c4
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
60b39d34b2089438db05f612a11f09e14fea05317ca2b4eb4f992b5be4d61103
WannaCry
8f86b42241e81b7461ba45fde82505332e4578663fdd20c2723a99863c34ad67
WannaCry
c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a
WannaCry
+ 218 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/220720-ehx4jabeg4/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1276) amount of remote hosts
Executes dropped EXE
Contacts a large (3297) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
f303f63ce004b21c2eedf2a3a0620fc852a2013b915d1a684c5a336bc9e076df
MD5 hash:
fac8eb5903e75826620bc436687c9185
SHA1 hash:
33d17d80f31bece06f6ffdac5588c2260f8609cd
Link:
https://www.unpac.me/results/d93a0d81-21a4-4bc9-94f3-037bcd804725/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f303f63ce004/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f303f63ce004b21c2eedf2a3a0620fc852a2013b915d1a684c5a336bc9e076df

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 (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.

Cape
Cape
https://www.capesandbox.com/analysis/292433/

Comments