MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b5248a20ec1173991c977fa52a8aebbae35f0123be80fe120e827cb0fb5d82cc. 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
| SHA256 hash: | b5248a20ec1173991c977fa52a8aebbae35f0123be80fe120e827cb0fb5d82cc |
|---|---|
| SHA3-384 hash: | 40681d6792984042c6de3d28440325a12d72c1fcfda06666f5d42ce5e0e35651066664f31ad21ac811b343977a66a53e |
| SHA1 hash: | b5e94cc591d9acd1f04e16d2af251553ee561e0c |
| MD5 hash: | 34d281dc1cf62696c6d3b5897243aabc |
| humanhash: | connecticut-nuts-four-oscar |
| File name: | 34d281dc1cf62696c6d3b5897243aabc |
| Download: | download sample |
| Signature | WannaCry |
| File size: | 5'267'459 bytes |
| First seen: | 2022-07-20 01:37:32 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro) |
| ssdeep | 49152:RnNQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARd:1WqPoBhz1aRxcSUDk36SAEd |
| Threatray | 116 similar samples on MalwareBazaar |
| TLSH | T116363359717CD6FCC10A25B514B78963A7B33C5A62FE6A0F8F4089A61D13B19FF90B02 |
| 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 :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
80%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Malware family:
Mimikatz
Verdict:
Malicious
Result
Threat name:
Wannacry
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
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
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2018-07-15 22:10:01 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
38 of 45 (84.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 106 additional samples on MalwareBazaar
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 (1258) amount of remote hosts
Executes dropped EXE
Contacts a large (3234) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
b5248a20ec1173991c977fa52a8aebbae35f0123be80fe120e827cb0fb5d82cc
MD5 hash:
34d281dc1cf62696c6d3b5897243aabc
SHA1 hash:
b5e94cc591d9acd1f04e16d2af251553ee561e0c
Malware family:
WannaCry
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
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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