MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a403fb277a3df00b6e67d44bf31f8231774b99c1ad69ec02c3b7bc24ca960fa4. 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: | a403fb277a3df00b6e67d44bf31f8231774b99c1ad69ec02c3b7bc24ca960fa4 |
|---|---|
| SHA3-384 hash: | 1ce675180753b697fe8a29a37af36d58c04b60298ace522d84d3e172cace29ffd5c710f96ea638e92fde8baa4c0417c9 |
| SHA1 hash: | cd0cfa5e6668f421de9b428397b14947dbd6f3c3 |
| MD5 hash: | b86b4977ef3e559996d48852f6e674f7 |
| humanhash: | sink-sixteen-foxtrot-bulldog |
| File name: | b86b4977ef3e559996d48852f6e674f7 |
| Download: | download sample |
| Signature | WannaCry |
| File size: | 5'267'459 bytes |
| First seen: | 2022-07-20 04:53:10 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 | 24576:RbLgudQhfdmMSirYbcMNgef04GWfQg6OW:RnNQqMSPbcBVzWfQoW |
| Threatray | 291 similar samples on MalwareBazaar |
| TLSH | T14A36E015A6E86B64E7B36FB22037871047767E45885B935E1760A04B0C33F5CEEB2F29 |
| 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 :
309
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
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.troj.expl.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2021-11-30 19:10:49 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
25 of 27 (92.59%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 281 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 (1256) amount of remote hosts
Executes dropped EXE
Contacts a large (3307) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
a403fb277a3df00b6e67d44bf31f8231774b99c1ad69ec02c3b7bc24ca960fa4
MD5 hash:
b86b4977ef3e559996d48852f6e674f7
SHA1 hash:
cd0cfa5e6668f421de9b428397b14947dbd6f3c3
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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