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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb
SHA3-384 hash: 4455eaba0821012af29fc93990363433de047133f0e2feb7f7d73be59e3b1bc2593eb5a3dde78bfb528bba077e026528
SHA1 hash: 0b82f726736b02320c94a9f662f5333b73223b3c
MD5 hash: cb5e2cdf03ff2c2603bd01d661a993fe
humanhash: delta-august-chicken-thirteen
File name:e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb
Download: download sample
Signature WannaCry
File size:3'723'264 bytes
First seen:2022-10-11 03:57:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ecee117164e0b870a53dd187cdd7174 (82 x WannaCry, 1 x Worm.Virut)
ssdeep 98304:yDqPoBhz1aRxcSUDk36SAEdhvX593R8yAVp2HI:yDqPe1Cxcxk3ZAErzR8yc4HI
Threatray 968 similar samples on MalwareBazaar
TLSH T1B2063355657CA2FCE0440EB440A78D6B77B33C596BFB5E0F8BC086AA0C53F9AABD0541
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 petikvx
Tags:WannaCry

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware packed ransomware shell32.dll wanna wannacry worm
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)
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720165 Sample: mUzi34RGl4.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 35 Tries to download HTTP data from a sinkholed server 2->35 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 6 other signatures 2->41 7 mUzi34RGl4.exe 7 2->7         started        12 mUzi34RGl4.exe 2->12         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 process3 dnsIp4 27 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 7->27 25 C:\Windows\tasksche.exe, PE32 7->25 dropped 51 Drops executables to the windows directory (C:\Windows) and starts them 7->51 18 tasksche.exe 7->18         started        29 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 12->29 31 103.201.229.208, 445 XTOM-AS-JPxTomJP China 12->31 33 99 other IPs or domains 12->33 53 Connects to many different private IPs via SMB (likely to spread or exploit) 12->53 55 Connects to many different private IPs (likely to spread or exploit) 12->55 57 Changes security center settings (notifications, updates, antivirus, firewall) 14->57 21 MpCmdRun.exe 1 14->21         started        59 Query firmware table information (likely to detect VMs) 16->59 file5 signatures6 process7 signatures8 43 Detected Wannacry Ransomware 18->43 45 Antivirus detection for dropped file 18->45 47 Multi AV Scanner detection for dropped file 18->47 49 Machine Learning detection for dropped file 18->49 23 conhost.exe 21->23         started        process9
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2018-09-02 18:44:18 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Behaviour
Modifies data under HKEY_USERS
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1014) amount of remote hosts
Executes dropped EXE
Contacts a large (3181) amount of remote hosts
Wannacry
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb
MD5 hash:
cb5e2cdf03ff2c2603bd01d661a993fe
SHA1 hash:
0b82f726736b02320c94a9f662f5333b73223b3c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:WannaCry_Ransomware_Gen
Author:Florian Roth (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:WannaCry_Ransomware_Gen_RID302B
Author:Florian Roth (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:Win32_Ransomware_WannaCry
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