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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fafa7cb85fe7b111bf2484141d8dd4ad763007202b1e78aa7ebdaab3bb121a26. 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 5 File information Comments

SHA256 hash: fafa7cb85fe7b111bf2484141d8dd4ad763007202b1e78aa7ebdaab3bb121a26
SHA3-384 hash: aa5ca1e7b7c274f4ac0eb5a9eac35a0cf9673ae383bf46ea03e1bef1eb5c14eb7225691e170f5948e5f7d1838ccb7ff5
SHA1 hash: 517e601390f3ecdd41931a96b8196cba424ba805
MD5 hash: 073906fb1146a94214c99d3415297b5b
humanhash: tennis-twelve-massachusetts-freddie
File name:073906fb1146a94214c99d3415297b5b
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-20 01:29:06 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 49152:SnAQqMSPbcBVQej/ivxJM0H9PAMEcaEau3R8yAH1p:+DqPoBhzKxWa9P593R8yAVp
Threatray 62 similar samples on MalwareBazaar
TLSH T1BB3633A4A75CB1BCE05517B094338A2D967B3C6177398B1F8B9087530C037ABEF94E66
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 :
247
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Result
Threat name:
Wannacry
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
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)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670755 Sample: dMcaouY91d Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 66 Tries to download HTTP data from a sinkholed server 2->66 68 Snort IDS alert for network traffic 2->68 70 Multi AV Scanner detection for domain / URL 2->70 72 9 other signatures 2->72 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 11 other processes 2->17 process3 dnsIp4 19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        24 rundll32.exe 1 9->24         started        56 45.64.67.2, 445, 49955, 49961 INCAPSULAUS Hong Kong 11->56 58 45.64.67.3, 445, 50032, 50040 INCAPSULAUS Hong Kong 11->58 60 98 other IPs or domains 11->60 82 Connects to many different private IPs via SMB (likely to spread or exploit) 11->82 84 Connects to many different private IPs (likely to spread or exploit) 11->84 86 Changes security center settings (notifications, updates, antivirus, firewall) 15->86 27 MpCmdRun.exe 1 15->27         started        88 Query firmware table information (likely to detect VMs) 17->88 signatures5 process6 file7 29 rundll32.exe 19->29         started        74 Drops executables to the windows directory (C:\Windows) and starts them 21->74 31 mssecsvc.exe 7 21->31         started        52 C:\Windows\mssecsvc.exe, PE32 24->52 dropped 36 conhost.exe 27->36         started        signatures8 process9 dnsIp10 38 mssecsvc.exe 7 29->38         started        62 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 31->62 48 C:\WINDOWS\qeriuwjhrf (copy), PE32 31->48 dropped 64 Drops executables to the windows directory (C:\Windows) and starts them 31->64 43 tasksche.exe 31->43         started        file11 signatures12 process13 dnsIp14 54 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.17.244.81, 49742, 49761, 80 CLOUDFLARENETUS United States 38->54 50 C:\Windows\tasksche.exe, PE32 38->50 dropped 76 Antivirus detection for dropped file 38->76 78 Multi AV Scanner detection for dropped file 38->78 80 Machine Learning detection for dropped file 38->80 45 tasksche.exe 38->45         started        file15 signatures16 process17 signatures18 90 Detected Wannacry Ransomware 45->90 92 Antivirus detection for dropped file 45->92 94 Multi AV Scanner detection for dropped file 45->94 96 Machine Learning detection for dropped file 45->96
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2017-06-09 16:20:33 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 41 (87.80%)
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
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1252) amount of remote hosts
Executes dropped EXE
Contacts a large (2678) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
fafa7cb85fe7b111bf2484141d8dd4ad763007202b1e78aa7ebdaab3bb121a26
MD5 hash:
073906fb1146a94214c99d3415297b5b
SHA1 hash:
517e601390f3ecdd41931a96b8196cba424ba805
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:WannaCry_Ransomware
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.

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