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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 552249b242e9857e66ca1c2b55e55ecaa354017e1f1fcd2c7ba60388eba99ac5. 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: 552249b242e9857e66ca1c2b55e55ecaa354017e1f1fcd2c7ba60388eba99ac5
SHA3-384 hash: 7e7357e41d3355c9b0f3cc8afe79c060c911cad201301ad52d9bd596bef5f7f27a5b5417822bcb525d18f9883040c9b3
SHA1 hash: 4086d509392b10e43af87a782e5d96acc5cfff9f
MD5 hash: 6e7614af4ddfa286ca963c3f4c039c2a
humanhash: tennis-salami-jersey-football
File name:6e7614af4ddfa286ca963c3f4c039c2a
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-20 03:10:01 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 98304:d8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2AZx:d8qPe1Cxcxk3ZAEUadzR8yc4A7
Threatray 216 similar samples on MalwareBazaar
TLSH T1133633A4A15CF2BCE1112EF048578877A7733C5977BE4A1FAB8045B30E53BABDB80951
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
243
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
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
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 dropped file
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670601 Sample: UmAGeUWOlB Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 5 other signatures 2->60 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 9 1 2->15         started        17 5 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        48 192.168.2.120 unknown unknown 11->48 50 192.168.2.121 unknown unknown 11->50 52 98 other IPs or domains 11->52 78 Connects to many different private IPs via SMB (likely to spread or exploit) 11->78 80 Connects to many different private IPs (likely to spread or exploit) 11->80 signatures5 process6 file7 27 rundll32.exe 19->27         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 29 mssecsvc.exe 1 21->29         started        44 C:\Windows\mssecsvc.exe, PE32 24->44 dropped signatures8 process9 file10 33 mssecsvc.exe 1 27->33         started        46 C:\WINDOWS\qeriuwjhrf (copy), PE32 29->46 dropped 82 Drops executables to the windows directory (C:\Windows) and starts them 29->82 37 tasksche.exe 29->37         started        signatures11 process12 file13 42 C:\Windows\tasksche.exe, PE32 33->42 dropped 62 Antivirus detection for dropped file 33->62 64 Multi AV Scanner detection for dropped file 33->64 66 Machine Learning detection for dropped file 33->66 39 tasksche.exe 33->39         started        signatures14 process15 signatures16 70 Detected Wannacry Ransomware 39->70 72 Antivirus detection for dropped file 39->72 74 Multi AV Scanner detection for dropped file 39->74 76 Machine Learning detection for dropped file 39->76
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2017-11-20 06:45:15 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
28 of 31 (90.32%)
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 (1260) amount of remote hosts
Executes dropped EXE
Contacts a large (3288) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
552249b242e9857e66ca1c2b55e55ecaa354017e1f1fcd2c7ba60388eba99ac5
MD5 hash:
6e7614af4ddfa286ca963c3f4c039c2a
SHA1 hash:
4086d509392b10e43af87a782e5d96acc5cfff9f
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