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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7
SHA3-384 hash: f117da1ffb3e437bb216c450a46d979eb776feb6a57c68c39bd4051d4cfddca70169e0bbf1630c59892aee3ec10b40b0
SHA1 hash: 11148b1bafb29ffbd30ab3eccc88de9648b756a8
MD5 hash: e868a305cfda3903526adc37daf56e6d
humanhash: stream-nevada-steak-colorado
File name:20230517e868a305cfda3903526adc37daf56e6dwannacry
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'242'876 bytes
First seen:2023-05-18 13:48:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ecee117164e0b870a53dd187cdd7174 (82 x WannaCry, 1 x Worm.Virut)
ssdeep 98304:YDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:YDqPe1Cxcxk3ZAEUadzR8yc4
TLSH T1F73633A4A22CE6BCF1051DB444638927A7773C6567BE5E1F8B8085A70D03F6FAFD0A41
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter JaffaCakes118
Tags:WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20230517e868a305cfda3903526adc37daf56e6dwannacry
Verdict:
Malicious activity
Analysis date:
2023-05-18 18:20:58 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/e4b3a0d1-0c0b-4d19-b64a-60cadf4a6541

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wannacryptor-9940180-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
Create hunting rule

Win.Ransomware.Wannacry-9982112-0
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
Create hunting rule

Win.Ransomware.Wanna-6888027-0
Create hunting rule

Win.Ransomware.Wanna-6888334-0
Create hunting rule

Win.Malware.Djwy-6923377-0
Create hunting rule

Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a service
Launching a service
Searching for synchronization primitives
Sending a custom TCP request
Query of malicious DNS domain
Enabling autorun for a service
Forced shutdown of a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0dc3caa8-9ac5-4d10-819e-fb6428294a3d
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1236615
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)
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
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2023-03-20 10:05:13 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmzrvibk6ii34syesgqxhyl6bgmt6xikdeacog4xwqo2vz2av23q._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/230518-q4wndaaf7x/
Behaviour
Modifies data under HKEY_USERS
Drops file in Windows directory
Drops file in System32 directory
Executes dropped EXE
Contacts a large (1505) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7
MD5 hash:
e868a305cfda3903526adc37daf56e6d
SHA1 hash:
11148b1bafb29ffbd30ab3eccc88de9648b756a8
Link:
https://www.unpac.me/results/528d7e21-4c46-4740-a28a-2b2cca211e17/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eternalblue
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:WannaCry_Ransomware
Create hunting rule
Author:Florian Roth (Nextron Systems) (with the help of binar.ly)
Description:Detects WannaCry Ransomware
Reference:https://goo.gl/HG2j5T
Rule name:Win32_Ransomware_WannaCry
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects WannaCry ransomware.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments