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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23f6479727d003cf908a021cdaa08a766d0b9aa6b84d279698a47833cb28ef7e. 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


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23f6479727d003cf908a021cdaa08a766d0b9aa6b84d279698a47833cb28ef7e
SHA3-384 hash: c32a6a71210e1511fdc0e46a4c4693ce60e8d9be548074a7041893413c0bfd9cce7cfc3741773b1bbda6c55799460acf
SHA1 hash: d3bb0f320d204807431927bbe74bd80e07e51933
MD5 hash: c16751ee056198949d3e88cd51ffbbb7
humanhash: emma-mango-california-angel
File name:c16751ee056198949d3e88cd51ffbbb7
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 04:04:49 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:snjQ57xJM0H9PAMEcaEau3R8yAH1plAH:M8xxWa9P593R8yAVp2H
Threatray 273 similar samples on MalwareBazaar
TLSH T10C3601501E085068D85E0B70793D0E34566F3EA6E934E71E6F8FB6B53BF32D11AB8911
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 :
300
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292447/
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-6313787-0
Create hunting rule

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

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
Link:
https://www.filescan.io/uploads/62d77f3dee649612ac5c6b9d/reports/e6d67992-8c5d-4556-bc10-b8c7d3af60d8/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc2b8b50-095a-4e84-8c41-a0cd9d67f89c
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037079
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669573 Sample: 8NkvNQD7nN Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 4 other signatures 2->66 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 11 other processes 2->17 process3 dnsIp4 19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        24 rundll32.exe 1 9->24         started        52 192.168.2.120 unknown unknown 11->52 54 192.168.2.121 unknown unknown 11->54 56 98 other IPs or domains 11->56 84 Connects to many different private IPs via SMB (likely to spread or exploit) 11->84 86 Connects to many different private IPs (likely to spread or exploit) 11->86 88 Changes security center settings (notifications, updates, antivirus, firewall) 15->88 27 MpCmdRun.exe 1 15->27         started        signatures5 process6 file7 29 rundll32.exe 19->29         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 31 mssecsvc.exe 1 21->31         started        48 C:\Windows\mssecsvc.exe, PE32 24->48 dropped 35 conhost.exe 27->35         started        signatures8 process9 file10 37 mssecsvc.exe 1 29->37         started        50 C:\WINDOWS\qeriuwjhrf (copy), PE32 31->50 dropped 58 Drops executables to the windows directory (C:\Windows) and starts them 31->58 41 tasksche.exe 31->41         started        signatures11 process12 file13 46 C:\Windows\tasksche.exe, PE32 37->46 dropped 70 Antivirus detection for dropped file 37->70 72 Multi AV Scanner detection for dropped file 37->72 74 Machine Learning detection for dropped file 37->74 43 tasksche.exe 37->43         started        signatures14 process15 signatures16 76 Detected Wannacry Ransomware 43->76 78 Antivirus detection for dropped file 43->78 80 Multi AV Scanner detection for dropped file 43->80 82 Machine Learning detection for dropped file 43->82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23f6479727d003cf908a021cdaa08a766d0b9aa6b84d279698a47833cb28ef7e/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-12-03 07:34:51 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 41 (87.80%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ep3epfzh2ab47eekaionviekozwqxgvgxbgspfuyur4dhszi557a._file
Verdict:
malicious
Similar samples:
1eef54fd2c7c89dd0cb37eaa1aca24b359573d9fafce7e4b5945712896d85115
WannaCry
2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621
WannaCry
40817631c9126d9c6ee51ed0bfae33a33c81c21188384b6f3ccbbf14aeadf272
WannaCry
80af5e08895469ebfa7e5b1e6f4209dd01711c8e18774aa2630eb34fe9afdafd
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8d1ecef30621154b4beb3e098b0076f538ef00c5cbf3c68d3df38b8f04ec4bb2
WannaCry
8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a
WannaCry
b526b497766170557454e63bcb3c759d79ef853a157f13ab6b9cc9b9c022bbb6
WannaCry
c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c
WannaCry
eac6b0bbe69ef8c0dc8e36cbff6d5c2a7cb4d662f4d88e5bc8b596b2275d694b
WannaCry
+ 263 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/220720-enhk2abfb9/
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 (1234) amount of remote hosts
Executes dropped EXE
Contacts a large (3322) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
23f6479727d003cf908a021cdaa08a766d0b9aa6b84d279698a47833cb28ef7e
MD5 hash:
c16751ee056198949d3e88cd51ffbbb7
SHA1 hash:
d3bb0f320d204807431927bbe74bd80e07e51933
Link:
https://www.unpac.me/results/5fa6cee9-2dae-4b36-bf4e-653d3832e182/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23f6479727d0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/23f6479727d003cf908a021cdaa08a766d0b9aa6b84d279698a47833cb28ef7e

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 (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.

Cape
Cape
https://www.capesandbox.com/analysis/292447/

Comments