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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb00de090581b449c36d04734aaa3d62802fb1bee1d6a4c614cb0d58d1143fb. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfb00de090581b449c36d04734aaa3d62802fb1bee1d6a4c614cb0d58d1143fb
SHA3-384 hash: 609c0885779bc42f7d5a8565ac6b3070b8fca60d1ed49f5092655c47990e9eda9a6f41b20f6b5250fc3cac121f317682
SHA1 hash: 9a997ea429f0b6da3342b70dee614586a0dbc428
MD5 hash: d3df97698f6ac52964481865c72ef24a
humanhash: lake-summer-carbon-juliet
File name:d3df97698f6ac52964481865c72ef24a
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:03:50 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:znAQkMlUacBVQejolel3KBHz/hu9OhivP/v:TDknfBhUqaBT/hukhif
Threatray 76 similar samples on MalwareBazaar
TLSH T11836D022E18684F4E07321B015267677EFBCA924172FF4DF9780C9695A64BC0EB35B87
TrID 67.8% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
10.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
4.5% (.SCR) Windows screen saver (13101/52/3)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292129/
Detection(s):
Win.Dropper.DarkKomet-9370806-0
Create hunting rule

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.Malware.Djwy-6775897-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware greyware overlay packed packed ransomware wannacry worm
Link:
https://www.filescan.io/uploads/62d75494b55643c0386eda53/reports/a9b552b0-5ee5-4cf3-89fa-5078aa6a4757/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b63d11d0-1e6b-42de-9c90-7a568c3e835a
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036953
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)
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)
May modify the system service descriptor table (often done to hook functions)
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 669447 Sample: KswaSLthhw Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 48 time.windows.com 2->48 60 Tries to download HTTP data from a sinkholed server 2->60 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 11 other signatures 2->66 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 12 other processes 2->17 signatures3 process4 dnsIp5 19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        24 rundll32.exe 1 9->24         started        52 111.125.114.10, 445 CONVERGE-ASConvergeICTSolutionsIncPH Philippines 11->52 54 111.125.114.11, 445 CONVERGE-ASConvergeICTSolutionsIncPH Philippines 11->54 56 98 other IPs or domains 11->56 76 Connects to many different private IPs via SMB (likely to spread or exploit) 11->76 78 Connects to many different private IPs (likely to spread or exploit) 11->78 80 Changes security center settings (notifications, updates, antivirus, firewall) 15->80 27 MpCmdRun.exe 1 15->27         started        signatures6 process7 file8 29 rundll32.exe 19->29         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 31 mssecsvc.exe 7 21->31         started        46 C:\Windows\mssecsvc.exe, PE32 24->46 dropped 35 conhost.exe 27->35         started        signatures9 process10 dnsIp11 37 mssecsvc.exe 7 29->37         started        58 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 31->58 42 C:\WINDOWS\qeriuwjhrf (copy), PE32 31->42 dropped file12 process13 dnsIp14 50 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.17.244.81, 49756, 80 CLOUDFLARENETUS United States 37->50 44 C:\Windows\tasksche.exe, PE32 37->44 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 file15 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfb00de090581b449c36d04734aaa3d62802fb1bee1d6a4c614cb0d58d1143fb/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2019-03-10 12:35:18 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6ya3yeqlanujhbw2bdtjkvd2yuaf6y35yowutdbjsynldirip5q._file
Verdict:
malicious
Similar samples:
016b40a769d4d34da8cdf3bf08a166c3243b659c31c152d3c0899993a7aa8f07
WannaCry
2edd948b703c3249ba424930fe717825ce5c108423b54a4411f05ea77dfd43e9
WannaCry
3534ca1c2f0bc7f1e7bddd39d156a2cce00987ed4c22d2817680bfa5fc8ccdf0
WannaCry
36dc0aae52946e3f9530c53925301bb8dbfa8216291705d99ef913d55f6ec1c9
WannaCry
42315a334dcd8401dc3e60c6de48071029105f978aa100384ef78fc2f6c8bf0b
WannaCry
4bf1fbbd994e86b9419d03ba4e930e2367837952ce603cbbed1d71750718c7c4
WannaCry
8f86b42241e81b7461ba45fde82505332e4578663fdd20c2723a99863c34ad67
WannaCry
9225232799b946c0b18e7270bb29a265e1985d6192c04114cec51fa7b34f11ff
WannaCry
9bcc416c7017a128e2d92abf1910684323599dd03778994080e0830570a9c42f
WannaCry
+ 66 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-beydcaadhr/
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 (982) amount of remote hosts
Executes dropped EXE
Contacts a large (2647) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
bfb00de090581b449c36d04734aaa3d62802fb1bee1d6a4c614cb0d58d1143fb
MD5 hash:
d3df97698f6ac52964481865c72ef24a
SHA1 hash:
9a997ea429f0b6da3342b70dee614586a0dbc428
Link:
https://www.unpac.me/results/2647967b-f6f4-41cb-b806-63fff628a8eb/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfb00de09058/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/bfb00de090581b449c36d04734aaa3d62802fb1bee1d6a4c614cb0d58d1143fb

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: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:meth_stackstrings
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/292129/

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