MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505. 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

SHA256 hash: 268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
SHA3-384 hash: cc26d508a9fbc666ff8c7a2eb5415cdc3e2b102e0d738ec45ff36cab43b8cf25e77f8184c2f409a658259b5ff93b1d8e
SHA1 hash: 5132e83d8bb0b0998918dad8f48c45d37b001877
MD5 hash: 79f1d601ece826493e4e2b409980f6ac
humanhash: california-september-seventeen-oven
File name:79f1d601ece826493e4e2b409980f6ac
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-19 18:39:11 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'033 x WannaCry, 6 x Worm.Virut, 2 x Expiro)
ssdeep 98304:TDqPoBhz1aRxcSUDk36SAEdhvxWa9P5UBSa:TDqPe1Cxcxk3ZAEUaduBSa
Threatray 10 similar samples on MalwareBazaar
TLSH T17636F1037285C066D0181A394C67DAECA5E3FDD5FE2DD00B7ED2734F2976A86EA41B12
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 :
269
Origin country :
n/a
Vendor Threat Intelligence
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
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
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
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 669273 Sample: vO81o4mObp Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 57 time.windows.com 2->57 69 Tries to download HTTP data from a sinkholed server 2->69 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 8 other signatures 2->75 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 2->12         started        16 svchost.exe 2->16         started        18 12 other processes 2->18 signatures3 process4 dnsIp5 20 cmd.exe 1 10->20         started        22 rundll32.exe 10->22         started        25 rundll32.exe 1 10->25         started        61 198.44.48.46, 445, 50530, 52921 HOSTWINDSUS United States 12->61 63 192.168.2.120 unknown unknown 12->63 65 98 other IPs or domains 12->65 85 Connects to many different private IPs via SMB (likely to spread or exploit) 12->85 87 Connects to many different private IPs (likely to spread or exploit) 12->87 89 Changes security center settings (notifications, updates, antivirus, firewall) 16->89 28 MpCmdRun.exe 1 16->28         started        signatures6 process7 file8 30 rundll32.exe 20->30         started        77 Drops executables to the windows directory (C:\Windows) and starts them 22->77 32 mssecsvc.exe 7 22->32         started        53 C:\Windows\mssecsvc.exe, PE32 25->53 dropped 37 conhost.exe 28->37         started        signatures9 process10 dnsIp11 39 mssecsvc.exe 7 30->39         started        55 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 32->55 49 C:\WINDOWS\qeriuwjhrf (copy), PE32 32->49 dropped 67 Drops executables to the windows directory (C:\Windows) and starts them 32->67 44 tasksche.exe 32->44         started        file12 signatures13 process14 dnsIp15 59 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.17.244.81, 49752, 49753, 80 CLOUDFLARENETUS United States 39->59 51 C:\Windows\tasksche.exe, PE32 39->51 dropped 79 Antivirus detection for dropped file 39->79 81 Multi AV Scanner detection for dropped file 39->81 83 Machine Learning detection for dropped file 39->83 46 tasksche.exe 39->46         started        file16 signatures17 process18 signatures19 91 Detected Wannacry Ransomware 46->91 93 Antivirus detection for dropped file 46->93 95 Multi AV Scanner detection for dropped file 46->95 97 Machine Learning detection for dropped file 46->97
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2017-06-18 14:40:59 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
37 of 41 (90.24%)
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 (1198) amount of remote hosts
Executes dropped EXE
Contacts a large (3126) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
MD5 hash:
79f1d601ece826493e4e2b409980f6ac
SHA1 hash:
5132e83d8bb0b0998918dad8f48c45d37b001877
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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