MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 42315a334dcd8401dc3e60c6de48071029105f978aa100384ef78fc2f6c8bf0b. 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: | 42315a334dcd8401dc3e60c6de48071029105f978aa100384ef78fc2f6c8bf0b |
|---|---|
| SHA3-384 hash: | 709d8a310ff3edaaa12c907991c15ce312c7d28a1f7295a090d566c2c3d1eea8e9c8ad938d48b71536e79984fc13f9ef |
| SHA1 hash: | 15346e27aa8490b3c17085cf8a4a81ce92abc661 |
| MD5 hash: | dc7a903e44cda227a20486feeadb4341 |
| humanhash: | carbon-sierra-twelve-low |
| File name: | dc7a903e44cda227a20486feeadb4341 |
| Download: | download sample |
| Signature | WannaCry |
| File size: | 5'267'459 bytes |
| First seen: | 2022-07-20 00:13:39 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 | 98304:TDqPoBhz1aRxcSUDk26SAEdhvxWa9P593R8yAV:TDqPe1Cxcxk2ZAEUadzR8yc |
| Threatray | 26 similar samples on MalwareBazaar |
| TLSH | T1D23633A4B22CE6BCE1051DB04473C92AA7773C6567BE5E1F8B9045670D03B6FBBD0A42 |
| 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 :
208
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd.exe CVE-2017-0147 exploit greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry wannacryptor wcry worm
Malware family:
Mimikatz
Verdict:
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
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:
2018-07-01 17:14:52 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
38 of 41 (92.68%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 16 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 (1192) amount of remote hosts
Executes dropped EXE
Contacts a large (3305) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
42315a334dcd8401dc3e60c6de48071029105f978aa100384ef78fc2f6c8bf0b
MD5 hash:
dc7a903e44cda227a20486feeadb4341
SHA1 hash:
15346e27aa8490b3c17085cf8a4a81ce92abc661
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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