MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944. 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: 0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
SHA3-384 hash: 22f3ff2661af8d74e4042bc55914041534df6e064904c36188a242bac59848050f2baa08b7f95e81d2810cf55d404cac
SHA1 hash: 3db70422149469e299bf15a45bf4c6bc97a7031c
MD5 hash: 769ec37bc4de51581ea222ef38d4f752
humanhash: freddie-double-nine-crazy
File name:769ec37bc4de51581ea222ef38d4f752
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:16:58 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'108 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:znAQqMSPbcBVQej/1INRx+TSqTdX1H79xMq31iV5KPOr:TDqPoBhz1aRxcSUDfMS1
Threatray 93 similar samples on MalwareBazaar
TLSH T12C368D495F888D7BC89F013366380A386A86F6706F6FE24B6258E1C0AF5BED55F11707
TrID 33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.0% (.SCR) Windows screen saver (13101/52/3)
11.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292152/
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:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d7581045a9cc40878dbd6c/reports/d063e696-fd4d-4a0b-a5f5-6c23df4b0009/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c42a212-dc1f-4556-91c5-d2d6a8e86082
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038279
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)
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 dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
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 signatures2 2 Behavior Graph ID: 670775 Sample: 7qaVQr9tBi Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 60 Tries to download HTTP data from a sinkholed server 2->60 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 7 other signatures 2->66 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 5 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        52 104.17.244.81, 49748, 80 CLOUDFLARENETUS United States 11->52 54 192.168.2.120 unknown unknown 11->54 56 99 other IPs or domains 11->56 84 Connects to many different private IPs via SMB (likely to spread or exploit) 11->84 86 Connects to many different private IPs (likely to spread or exploit) 11->86 88 Query firmware table information (likely to detect VMs) 15->88 signatures5 process6 file7 27 rundll32.exe 19->27         started        74 Drops executables to the windows directory (C:\Windows) and starts them 21->74 29 mssecsvc.exe 7 21->29         started        46 C:\Windows\mssecsvc.exe, PE32 24->46 dropped signatures8 process9 dnsIp10 34 mssecsvc.exe 7 27->34         started        58 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 29->58 48 C:\WINDOWS\qeriuwjhrf (copy), PE32 29->48 dropped 90 Drops executables to the windows directory (C:\Windows) and starts them 29->90 39 tasksche.exe 29->39         started        file11 signatures12 process13 dnsIp14 50 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 34->50 44 C:\Windows\tasksche.exe, PE32 34->44 dropped 68 Antivirus detection for dropped file 34->68 70 Multi AV Scanner detection for dropped file 34->70 72 Machine Learning detection for dropped file 34->72 41 tasksche.exe 34->41         started        file15 signatures16 process17 signatures18 76 Detected Wannacry Ransomware 41->76 78 Antivirus detection for dropped file 41->78 80 Multi AV Scanner detection for dropped file 41->80 82 Machine Learning detection for dropped file 41->82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-06-15 22:07:49 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bssv7ya46utjn5becahonxsorxjgftq4qmsx2iv4h3oefqypxfca._file
Verdict:
malicious
Similar samples:
016b40a769d4d34da8cdf3bf08a166c3243b659c31c152d3c0899993a7aa8f07
WannaCry
0f1516a8c0600c59defcf96c87c27de6a81e732ecb2f64b5e48904c31ab2cbb2
WannaCry
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
2edd948b703c3249ba424930fe717825ce5c108423b54a4411f05ea77dfd43e9
WannaCry
36dc0aae52946e3f9530c53925301bb8dbfa8216291705d99ef913d55f6ec1c9
WannaCry
623d15ba5658384ea5a60431603eddfe363c3edd4eb45ecbe62afe3c625e3d35
WannaCry
84dd81ba8404984dabc7e490baccd6aa0185a41198715025d84e20c89f6c4d20
WannaCry
9225232799b946c0b18e7270bb29a265e1985d6192c04114cec51fa7b34f11ff
WannaCry
95f9847e020b97c1a3bc47d33c15da892958bb76c95153696eda1f13e454ddf5
WannaCry
f3c704016a36ada2ded03ba9e37e253846ba473bc27421ae8d65b0f118176bfb
WannaCry
+ 83 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-bnd13aaad8/
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 (989) amount of remote hosts
Executes dropped EXE
Contacts a large (3280) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
MD5 hash:
769ec37bc4de51581ea222ef38d4f752
SHA1 hash:
3db70422149469e299bf15a45bf4c6bc97a7031c
Link:
https://www.unpac.me/results/4e4cc8b9-b822-48ce-a1cf-61f0a74afffa/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0ca55fe01cf5/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/0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944

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: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/292152/

Comments