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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b610f6bae1dbd0253c508d9995d18ebdad3d985b84060ec9eaf39472d8903e2b. 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: b610f6bae1dbd0253c508d9995d18ebdad3d985b84060ec9eaf39472d8903e2b
SHA3-384 hash: 6e53c65ebda3cedfb9d14d004827f851290947e95c3d0a3f8a4c25f80d20257cc847d5bbadaad2bb14fb472b36be1bfa
SHA1 hash: 66a1ee19b5b71f0011a887f971ff1243daf7c63e
MD5 hash: 6927111c4d2937c06c1cc3978d2e9214
humanhash: charlie-avocado-black-ohio
File name:6927111c4d2937c06c1cc3978d2e9214
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:57:30 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:RnGMSPbcBVYej/1INRx+TSqTdX1HkQo6SA:1GPoB1z1aRxcSUDk36SA
Threatray 102 similar samples on MalwareBazaar
TLSH T1913623A670BC90F8D206657084BB4A12F6F67C6D21FA6D0FEF804D761D53B6AB740742
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 :
242
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292224/
Detection(s):
Win.Ransomware.Wanna-9769986-0
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:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware greyware overlay packed packed ransomware wannacry worm
Link:
https://www.filescan.io/uploads/62d76150ee649612ac5c3f54/reports/dd1ddddb-eb8b-4eca-871c-1bdc0a532879/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aca5fdf8-196d-43ac-8bf5-8625001ab3e8
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038223
Signature
Accesses ntoskrnl, likely to find offsets for exploits
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 670717 Sample: lK7BZxB7zU Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 52 time.windows.com 2->52 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 8 other signatures 2->68 9 loaddll32.exe 1 2->9         started        11 mssecsvr.exe 2->11         started        15 svchost.exe 2->15         started        17 14 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        56 164.155.122.1, 445, 50894 SANRENDATALIMITED-AS-APSANRENDATALIMITEDHK South Africa 11->56 58 164.155.122.2, 445, 50925, 50927 SANRENDATALIMITED-AS-APSANRENDATALIMITEDHK South Africa 11->58 60 99 other IPs or domains 11->60 78 Connects to many different private IPs via SMB (likely to spread or exploit) 11->78 80 Connects to many different private IPs (likely to spread or exploit) 11->80 82 Changes security center settings (notifications, updates, antivirus, firewall) 15->82 27 MpCmdRun.exe 1 15->27         started        29 WerFault.exe 13 17->29         started        signatures6 process7 file8 31 rundll32.exe 19->31         started        70 Drops executables to the windows directory (C:\Windows) and starts them 21->70 33 mssecsvr.exe 7 21->33         started        46 C:\Windows\mssecsvr.exe, PE32 24->46 dropped 37 conhost.exe 27->37         started        72 Accesses ntoskrnl, likely to find offsets for exploits 29->72 signatures9 process10 dnsIp11 39 mssecsvr.exe 7 31->39         started        50 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 33->50 44 C:\WINDOWS\qeriuwjhrf (copy), PE32 33->44 dropped file12 process13 dnsIp14 54 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 39->54 48 C:\Windows\tasksche.exe, PE32 39->48 dropped 74 Antivirus detection for dropped file 39->74 76 Machine Learning detection for dropped file 39->76 file15 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b610f6bae1dbd0253c508d9995d18ebdad3d985b84060ec9eaf39472d8903e2b/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-04-18 13:45:04 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
37 of 41 (90.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wyipnoxb3pickpcqrwmzlumoxwwt3gc3qqda5spk6okhfweqhyvq._file
Verdict:
malicious
Similar samples:
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
48fc9ccb42ec0234df4d4f41db1d0cb1e1fe6aa5e640c28625aa3d73e65d2856
WannaCry
4bf1fbbd994e86b9419d03ba4e930e2367837952ce603cbbed1d71750718c7c4
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
8f86b42241e81b7461ba45fde82505332e4578663fdd20c2723a99863c34ad67
WannaCry
9225232799b946c0b18e7270bb29a265e1985d6192c04114cec51fa7b34f11ff
WannaCry
c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a
WannaCry
f3725409760ef8ef3b1296cbc32a06fb0177cfaedda0825bcbb41146db347061
WannaCry
f609bb63acb1c6d1ee19574550f83bb796af5ece4cab54a70f97534e8b1c478f
WannaCry
+ 92 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-cdvfqsahal/
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 (3182) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
b610f6bae1dbd0253c508d9995d18ebdad3d985b84060ec9eaf39472d8903e2b
MD5 hash:
6927111c4d2937c06c1cc3978d2e9214
SHA1 hash:
66a1ee19b5b71f0011a887f971ff1243daf7c63e
Link:
https://www.unpac.me/results/7422c3de-0088-45ae-932b-7dbf985a8542/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b610f6bae1db/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/b610f6bae1dbd0253c508d9995d18ebdad3d985b84060ec9eaf39472d8903e2b

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: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/292224/

Comments