MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82. 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: 12
| SHA256 hash: | b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82 |
|---|---|
| SHA3-384 hash: | 3f0c1b6a541c9bc5bd43a5187fae53aee26a337120592ba3c446def9d31b3b259909036d342593e98006798af39ee873 |
| SHA1 hash: | cfa8667066ab6df9b15606f82336d6f376e08b33 |
| MD5 hash: | 9e9dfb912cc29bceb2de772bdba98ed6 |
| humanhash: | december-mars-edward-magnesium |
| File name: | 9e9dfb912cc29bceb2de772bdba98ed6 |
| Download: | download sample |
| Signature | WannaCry |
| File size: | 5'267'459 bytes |
| First seen: | 2022-07-20 00:27:23 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | 2e5708ae5fed0403e8117c645fb23e5b (1'033 x WannaCry, 6 x Worm.Virut, 2 x Expiro) |
| ssdeep | 12288:TQbLgmluyQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXF5:MbLguVQhfdmMSirYbcMNgef0QeQjG |
| Threatray | 28 similar samples on MalwareBazaar |
| TLSH | T19336235A766C91FCC10A627574638926E6B73C5A22BD960F8F908B520C137A0FF78F47 |
| 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 :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay 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.
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
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)
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
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2018-08-25 10:16:53 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
41 of 47 (87.23%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 18 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 (1263) amount of remote hosts
Executes dropped EXE
Contacts a large (3121) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82
MD5 hash:
9e9dfb912cc29bceb2de772bdba98ed6
SHA1 hash:
cfa8667066ab6df9b15606f82336d6f376e08b33
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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