MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3725409760ef8ef3b1296cbc32a06fb0177cfaedda0825bcbb41146db347061. 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: f3725409760ef8ef3b1296cbc32a06fb0177cfaedda0825bcbb41146db347061
SHA3-384 hash: c4b935368916e1966cda477d55f843cdd713b8cd311a71ee7f6aec65b8e09948a45ab62baaf6c59c7c7d06858f38422a
SHA1 hash: f966a9c264a95b16876d59f267c9bdf3f65bebf2
MD5 hash: 18b958e8636102356467d0df4c530c4e
humanhash: princess-hydrogen-princess-summer
File name:18b958e8636102356467d0df4c530c4e
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-19 18:42:58 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 49152:Rn31MSPbcBVQej/1INRx+TSqTdX1HkQo6SAYhnv:1FPoBhz1aRxcSUDk36SAYhv
Threatray 9 similar samples on MalwareBazaar
TLSH T14D3633A971BC91FCD20519B444EBCE22E2F27C6926FE6E0F9F4089761D03B59B750A43
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 :
266
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.expl.evad
Score:
100 / 100
Signature
Accesses ntoskrnl, likely to find offsets for exploits
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
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669264 Sample: PmRmvXSAiJ Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 7 other signatures 2->61 8 loaddll32.exe 1 2->8         started        10 mssecsvr.exe 2->10         started        14 svchost.exe 2->14         started        16 7 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        47 192.168.2.104 unknown unknown 10->47 49 192.168.2.105 unknown unknown 10->49 51 99 other IPs or domains 10->51 73 Connects to many different private IPs via SMB (likely to spread or exploit) 10->73 75 Connects to many different private IPs (likely to spread or exploit) 10->75 26 WerFault.exe 14 14->26         started        signatures5 process6 file7 28 rundll32.exe 18->28         started        63 Drops executables to the windows directory (C:\Windows) and starts them 20->63 30 mssecsvr.exe 7 20->30         started        41 C:\Windows\mssecsvr.exe, PE32 23->41 dropped 65 Accesses ntoskrnl, likely to find offsets for exploits 26->65 signatures8 process9 dnsIp10 34 mssecsvr.exe 7 28->34         started        53 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 30->53 43 C:\WINDOWS\qeriuwjhrf (copy), PE32 30->43 dropped file11 process12 dnsIp13 45 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 34->45 39 C:\Windows\tasksche.exe, PE32 34->39 dropped 67 Antivirus detection for dropped file 34->67 69 Multi AV Scanner detection for dropped file 34->69 71 Machine Learning detection for dropped file 34->71 file14 signatures15
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2019-04-22 10:50:08 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
34 of 41 (82.93%)
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 (1076) amount of remote hosts
Executes dropped EXE
Contacts a large (3263) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
f3725409760ef8ef3b1296cbc32a06fb0177cfaedda0825bcbb41146db347061
MD5 hash:
18b958e8636102356467d0df4c530c4e
SHA1 hash:
f966a9c264a95b16876d59f267c9bdf3f65bebf2
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.

Comments