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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5810c7be87e79ff5f358d7867aaa05c53b76319cc88fe04b1f548fac05504867. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5810c7be87e79ff5f358d7867aaa05c53b76319cc88fe04b1f548fac05504867
SHA3-384 hash: fc9547c811b9e8a19c8fb7cafe6a6ee3a9e50aef06c21039c51454fb2c41af2ded0574c2d93d7c8642d7ad75a19317dc
SHA1 hash: 8f49425dbaa464cdeccf4e397828b9a2130e6447
MD5 hash: 1fc89ece03929425de3ecd437fe74c39
humanhash: eight-vegan-aspen-batman
File name:1fc89ece03929425de3ecd437fe74c39
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 02:29:32 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'136 x WannaCry, 7 x Worm.Virut, 3 x Expiro)
ssdeep 98304:+wOoBhz1aRxcSUDk36SAEdhv7m3MOujtDZnhf/B:+be1Cxcxk3ZAErlFB5
TLSH T13A36F16399C680E9D51B34F1156BB92BD1FDBA24502D9F8BC78C0D0B6B80C71B79F286
TrID 33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.0% (.SCR) Windows screen saver (13101/52/3)
11.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292279/
Detection(s):
Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

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

Win.Malware.Rasftuby-6789024-0
Create hunting rule

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

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

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

Win.Ransomware.Wanna-9769986-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
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/62d768b9b1b58ed7a1735502/reports/4bebce92-35c5-4cd5-b131-05b7446085ea/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6be93c1-89fb-4c06-9f79-a46a3992535b
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037016
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669510 Sample: oDPCyTtMRQ Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 6 other signatures 2->64 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 4 2->15         started        17 4 other processes 2->17 process3 dnsIp4 19 rundll32.exe 9->19         started        22 cmd.exe 1 9->22         started        24 rundll32.exe 1 9->24         started        50 192.168.2.120 unknown unknown 11->50 52 192.168.2.121 unknown unknown 11->52 54 99 other IPs or domains 11->54 74 Connects to many different private IPs via SMB (likely to spread or exploit) 11->74 76 Connects to many different private IPs (likely to spread or exploit) 11->76 27 WerFault.exe 15->27         started        signatures5 process6 file7 66 Drops executables to the windows directory (C:\Windows) and starts them 19->66 29 mssecsvc.exe 7 19->29         started        34 rundll32.exe 22->34         started        44 C:\Windows\mssecsvc.exe, PE32 24->44 dropped signatures8 process9 dnsIp10 56 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 29->56 46 C:\Windows\tasksche.exe, PE32 29->46 dropped 78 Drops executables to the windows directory (C:\Windows) and starts them 29->78 36 tasksche.exe 29->36         started        39 mssecsvc.exe 6 34->39         started        file11 signatures12 process13 dnsIp14 42 WerFault.exe 23 9 36->42         started        48 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 39->48 68 Antivirus detection for dropped file 39->68 70 Multi AV Scanner detection for dropped file 39->70 72 Machine Learning detection for dropped file 39->72 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5810c7be87e79ff5f358d7867aaa05c53b76319cc88fe04b1f548fac05504867/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2019-09-20 11:00:05 UTC
File Type:
PE (Dll)
Extracted files:
15
AV detection:
36 of 40 (90.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=laimppuh46p7l42y26dhvkqfyu5xmmm4zch6asy7ksh2ybkqjbtq._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/220720-cy6phabaa3/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1231) amount of remote hosts
Executes dropped EXE
Contacts a large (3050) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
5810c7be87e79ff5f358d7867aaa05c53b76319cc88fe04b1f548fac05504867
MD5 hash:
1fc89ece03929425de3ecd437fe74c39
SHA1 hash:
8f49425dbaa464cdeccf4e397828b9a2130e6447
Link:
https://www.unpac.me/results/9e6584c1-9077-4bc7-8b4c-b6af5c54aec3/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5810c7be87e7/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/5810c7be87e79ff5f358d7867aaa05c53b76319cc88fe04b1f548fac05504867

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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
Rule name:WannaCry_Ransomware_Gen
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

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/292279/

Comments