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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b98ea070bdf32968bc3784bf3847019c0fa559c0c230a9b9bf15360dc6f413f3. 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: b98ea070bdf32968bc3784bf3847019c0fa559c0c230a9b9bf15360dc6f413f3
SHA3-384 hash: 86db69bfb3642046db95da7742ebd7dbad6f7067fd38101aad601ec956858f4cd8fcae3176f4619aabd031312800799d
SHA1 hash: b11969f7f94c9761fbc77d0069c55f8e01cccdd8
MD5 hash: 64831891366685c257a9f71a83830166
humanhash: uranus-gee-speaker-fifteen
File name:64831891366685c257a9f71a83830166
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 02:26:42 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:MnFQqMSPbcBVQejl1INRx+TSqTdX1HkQo6SAARdhnv:seqPoBhh1aRxcSUDk36SAEdhv
Threatray 131 similar samples on MalwareBazaar
TLSH T129363359717CD6FCC10519B440ABC967A7B33C6A16FE6A0F8F408A661C13B59FBA0B43
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 :
251
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292274/
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-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:

Behaviour
Searching for the window
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/62d76808ef2b0e63a8282477/reports/485d3bff-34dc-40c3-b670-e7224dc8a023/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/79836b28-1f84-4338-bc5e-5eea8054fa90
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038177
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
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
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670671 Sample: zi4Lqt65Pc Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 6 other signatures 2->59 8 loaddll32.exe 1 2->8         started        10 mssecsvr.exe 2->10         started        14 svchost.exe 9 1 2->14         started        16 5 other processes 2->16 process3 dnsIp4 18 cmd.exe 1 8->18         started        20 rundll32.exe 8->20         started        23 rundll32.exe 1 8->23         started        37 192.168.2.120 unknown unknown 10->37 39 192.168.2.121 unknown unknown 10->39 41 99 other IPs or domains 10->41 63 Connects to many different private IPs via SMB (likely to spread or exploit) 10->63 65 Connects to many different private IPs (likely to spread or exploit) 10->65 signatures5 process6 file7 26 rundll32.exe 18->26         started        61 Drops executables to the windows directory (C:\Windows) and starts them 20->61 28 mssecsvr.exe 7 20->28         started        35 C:\Windows\mssecsvr.exe, PE32 23->35 dropped signatures8 process9 dnsIp10 31 mssecsvr.exe 7 26->31         started        43 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 28->43 process11 dnsIp12 45 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 31->45 47 Antivirus detection for dropped file 31->47 49 Multi AV Scanner detection for dropped file 31->49 51 Machine Learning detection for dropped file 31->51 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b98ea070bdf32968bc3784bf3847019c0fa559c0c230a9b9bf15360dc6f413f3/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 00:11:31 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xghka4f56muwrpbxqs7tqrybtqh2kwoayiykton7cu3a3rxucpzq._file
Verdict:
malicious
Similar samples:
138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038
WannaCry
287889afcc2b86f6b705c55882880954e41f15ecbf3441980a567f8ff10605a3
WannaCry
4e9378241b5fb2cd33ba7562917608e61ee1d3aeed939eb60e005b9b084380ab
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
aec918fc5527c8960921c04c7abbcf3aadcb5d8f0aa6862c6d6be68e28771a68
WannaCry
b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82
WannaCry
fdca1e0c8951ddfbea1f9a4fbdd44aff52f3608396788add49b99c3f0b482e09
WannaCry
+ 121 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-cxffxsbehp/
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 (1227) amount of remote hosts
Executes dropped EXE
Contacts a large (3117) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
b98ea070bdf32968bc3784bf3847019c0fa559c0c230a9b9bf15360dc6f413f3
MD5 hash:
64831891366685c257a9f71a83830166
SHA1 hash:
b11969f7f94c9761fbc77d0069c55f8e01cccdd8
Link:
https://www.unpac.me/results/73ca8b4c-fe7f-4b84-8fd3-b2c42b2cc135/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b98ea070bdf3/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/b98ea070bdf32968bc3784bf3847019c0fa559c0c230a9b9bf15360dc6f413f3

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/292274/

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