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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e58439a478f75ecb09bfcd633f738483e5e269129669288d8bde0f4cffbaa7ec. 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 5 File information Comments

SHA256 hash: e58439a478f75ecb09bfcd633f738483e5e269129669288d8bde0f4cffbaa7ec
SHA3-384 hash: 1c40ecd2ff731cb1c9d5fcd4251f996b02e1e4affce4d2fc45c5946e59cd736c5ecf853796067d1a7e47a7f4dc2e1de2
SHA1 hash: 482a398c3e8cd2e58f56a5830573b7022456c4d6
MD5 hash: b583e353ce412edcb4128c251901db5e
humanhash: undress-georgia-chicken-blue
File name:e58439a478f75ecb09bfcd633f738483e5e269129669288d8bde0f4cffbaa7ec
Download: download sample
Signature WannaCry
File size:5'242'876 bytes
First seen:2022-10-11 15:52:23 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
Threatray 992 similar samples on MalwareBazaar
TLSH T1E8363394622CA2FCF1440EB44463891BB7B73C6567BE5E1F9BC086A70D43B5BAFD0A41
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 :
315
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 overlay packed ransomware shell32.dll wanna wannacry worm
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 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: 720727 Sample: RE8WkQYyxM.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 Malicious sample detected (through community Yara rule) 2->39 41 6 other signatures 2->41 7 RE8WkQYyxM.exe 7 2->7         started        12 RE8WkQYyxM.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 49 Drops executables to the windows directory (C:\Windows) and starts them 7->49 18 tasksche.exe 7->18         started        29 104.17.244.81, 49705, 80 CLOUDFLARENETUS United States 12->29 31 192.168.2.120 unknown unknown 12->31 33 99 other IPs or domains 12->33 51 Connects to many different private IPs via SMB (likely to spread or exploit) 12->51 53 Connects to many different private IPs (likely to spread or exploit) 12->53 55 Changes security center settings (notifications, updates, antivirus, firewall) 14->55 21 MpCmdRun.exe 1 14->21         started        57 Query firmware table information (likely to detect VMs) 16->57 file5 signatures6 process7 signatures8 43 Detected Wannacry Ransomware 18->43 45 Antivirus detection for dropped file 18->45 47 Machine Learning detection for dropped file 18->47 23 conhost.exe 21->23         started        process9
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2022-10-08 23:26:00 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 ransomware worm
Behaviour
Modifies data under HKEY_USERS
Drops file in Windows directory
Drops file in System32 directory
Executes dropped EXE
Wannacry
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e58439a478f75ecb09bfcd633f738483e5e269129669288d8bde0f4cffbaa7ec
MD5 hash:
b583e353ce412edcb4128c251901db5e
SHA1 hash:
482a398c3e8cd2e58f56a5830573b7022456c4d6
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: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.

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