MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a. 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: c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a
SHA3-384 hash: 9e115c6556ab634028c256c6f63b32b98f1698b9e5c5759e8108d6abccd747ce0032b78825b3512a182feb2fba660e06
SHA1 hash: c432335ab27f6524a622cd847ea22f4648b0ae71
MD5 hash: 8a2bf9dae0035f799a7a9198d162566d
humanhash: ack-north-low-uncle
File name:8a2bf9dae0035f799a7a9198d162566d
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-19 18:44:51 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'033 x WannaCry, 6 x Worm.Virut, 2 x Expiro)
ssdeep 49152:RnnMSPbcBVQej/x+TSqTdX1HkQo6SAARdhnv:1nPoBhzxcSUDk36SAEdhv
Threatray 9 similar samples on MalwareBazaar
TLSH T15D36339571BC91FCC20919B4947B8A26B2B23C7A16FF5A0FDB408A252C13F55F790B93
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 :
277
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291998/
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:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
50%
Tags:
cmd.exe CVE-2017-0147 encrypt exploit greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry wannacryptor wcry worm
Link:
https://www.filescan.io/uploads/62d6fc71b1b58ed7a1729a36/reports/06589095-990c-4a74-9005-4c8c91582761/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a91ba27d-c184-4689-9bf6-b7c608837695
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036765
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)
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: 669262 Sample: m3TyY9xicv Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 7 other signatures 2->62 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        40 192.168.2.120 unknown unknown 10->40 42 192.168.2.121 unknown unknown 10->42 44 99 other IPs or domains 10->44 66 Connects to many different private IPs via SMB (likely to spread or exploit) 10->66 68 Connects to many different private IPs (likely to spread or exploit) 10->68 signatures5 process6 file7 26 rundll32.exe 18->26         started        64 Drops executables to the windows directory (C:\Windows) and starts them 20->64 28 mssecsvr.exe 6 20->28         started        38 C:\Windows\mssecsvr.exe, PE32 23->38 dropped signatures8 process9 dnsIp10 31 mssecsvr.exe 7 26->31         started        46 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 28->46 process11 dnsIp12 48 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 31->48 36 C:\Windows\tasksche.exe, PE32 31->36 dropped 50 Antivirus detection for dropped file 31->50 52 Multi AV Scanner detection for dropped file 31->52 54 Machine Learning detection for dropped file 31->54 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-01-24 17:00:05 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=y5guyq2wqtej6dz4u3yy45odykxg6mdoxm2s2qsgeylfb4k662na._file
Verdict:
malicious
Similar samples:
07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd
WannaCry
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
4bf1fbbd994e86b9419d03ba4e930e2367837952ce603cbbed1d71750718c7c4
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
773186144282a63cc3502ad10a3d8fd781a6c83eaabf06de4369b4ef96d93178
WannaCry
8f86b42241e81b7461ba45fde82505332e4578663fdd20c2723a99863c34ad67
WannaCry
ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9
WannaCry
f3725409760ef8ef3b1296cbc32a06fb0177cfaedda0825bcbb41146db347061
WannaCry
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/220719-xd2j9shbhm/
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 (1276) amount of remote hosts
Executes dropped EXE
Contacts a large (3192) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a
MD5 hash:
8a2bf9dae0035f799a7a9198d162566d
SHA1 hash:
c432335ab27f6524a622cd847ea22f4648b0ae71
Link:
https://www.unpac.me/results/101fc0db-e278-4068-b89b-999648dd5e28/
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/c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a

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/291998/

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