MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b5cbf5e13320559b9362865a4167d3a4fb2400a81529dd37e54344071a41ad9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b5cbf5e13320559b9362865a4167d3a4fb2400a81529dd37e54344071a41ad9
SHA3-384 hash: 7e31f635d05cea36f0886befbb2e6ab9abf1f8dd72b3cdae8412130bd4551741971a40286ae234c43ce7f2aaf0bc35f2
SHA1 hash: 038762f633fdf30aa2293480f3d3137836d9c4b1
MD5 hash: 6eee80b7e7fd17c1b778b19ea770cef4
humanhash: venus-earth-colorado-fix
File name:6eee80b7e7fd17c1b778b19ea770cef4
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:41:27 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'123 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:znAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdh:TDqPoBhz1aRxcSUDk36SAEdh
Threatray 126 similar samples on MalwareBazaar
TLSH T132363359717CD6FCC109297514A78A63A7F33C5A16FE6A0F8F408AA61D43B54BFA0B03
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292196/
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.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:
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/62d75daf8fbcdde3605eb038/reports/cb0f2595-0d40-4a08-b7e3-0c64b600c40b/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a80e41b-56ee-44d4-96d9-63e06d203a09
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036981
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 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
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669476 Sample: izk4njQklu Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 66 Tries to download HTTP data from a sinkholed server 2->66 68 Snort IDS alert for network traffic 2->68 70 Multi AV Scanner detection for domain / URL 2->70 72 9 other signatures 2->72 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        56 45.223.128.1, 445, 50851, 50852 ROCKETNETZA United States 11->56 58 45.223.128.2, 445, 50923, 50924 ROCKETNETZA United States 11->58 60 99 other IPs or domains 11->60 82 Connects to many different private IPs via SMB (likely to spread or exploit) 11->82 84 Connects to many different private IPs (likely to spread or exploit) 11->84 86 Changes security center settings (notifications, updates, antivirus, firewall) 15->86 27 MpCmdRun.exe 1 15->27         started        signatures5 process6 file7 29 rundll32.exe 19->29         started        74 Drops executables to the windows directory (C:\Windows) and starts them 21->74 31 mssecsvc.exe 7 21->31         started        52 C:\Windows\mssecsvc.exe, PE32 24->52 dropped 36 conhost.exe 27->36         started        signatures8 process9 dnsIp10 38 mssecsvc.exe 7 29->38         started        62 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 31->62 48 C:\WINDOWS\qeriuwjhrf (copy), PE32 31->48 dropped 64 Drops executables to the windows directory (C:\Windows) and starts them 31->64 43 tasksche.exe 31->43         started        file11 signatures12 process13 dnsIp14 54 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 38->54 50 C:\Windows\tasksche.exe, PE32 38->50 dropped 76 Antivirus detection for dropped file 38->76 78 Multi AV Scanner detection for dropped file 38->78 80 Machine Learning detection for dropped file 38->80 45 tasksche.exe 38->45         started        file15 signatures16 process17 signatures18 88 Detected Wannacry Ransomware 45->88 90 Antivirus detection for dropped file 45->90 92 Multi AV Scanner detection for dropped file 45->92 94 Machine Learning detection for dropped file 45->94
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b5cbf5e13320559b9362865a4167d3a4fb2400a81529dd37e54344071a41ad9/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-01-13 13:10:05 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnol6xqtgicvtojwfbs2ift5hjh3eqakqfjj3u36kq2ea4nedlmq._file
Verdict:
malicious
Similar samples:
016b40a769d4d34da8cdf3bf08a166c3243b659c31c152d3c0899993a7aa8f07
WannaCry
0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
WannaCry
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
2edd948b703c3249ba424930fe717825ce5c108423b54a4411f05ea77dfd43e9
WannaCry
36dc0aae52946e3f9530c53925301bb8dbfa8216291705d99ef913d55f6ec1c9
WannaCry
44cbcce075b168d5676b437c07753f2314c8d8af1a65614eff1292506f8d1673
WannaCry
7ab0e9ddbab262e9d049de139e13f3ef8caefc72336dc2ff6575bb49044385f5
WannaCry
9225232799b946c0b18e7270bb29a265e1985d6192c04114cec51fa7b34f11ff
WannaCry
f3c704016a36ada2ded03ba9e37e253846ba473bc27421ae8d65b0f118176bfb
WannaCry
f88896ee7a238e282b6d70971f2113ee11da11ba8797d84d0f629ce0b6fbf3c5
WannaCry
+ 116 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-b4n6zaagbj/
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 (975) amount of remote hosts
Executes dropped EXE
Contacts a large (3276) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
2b5cbf5e13320559b9362865a4167d3a4fb2400a81529dd37e54344071a41ad9
MD5 hash:
6eee80b7e7fd17c1b778b19ea770cef4
SHA1 hash:
038762f633fdf30aa2293480f3d3137836d9c4b1
Link:
https://www.unpac.me/results/659cf236-30f0-4f52-9af2-60118645ded6/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b5cbf5e1332/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/2b5cbf5e13320559b9362865a4167d3a4fb2400a81529dd37e54344071a41ad9

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/292196/

Comments