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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44cf993bea888af81a2d6d85b1b70c2b5a18f96d8db7b6f3c03cfbabec60ec69. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44cf993bea888af81a2d6d85b1b70c2b5a18f96d8db7b6f3c03cfbabec60ec69
SHA3-384 hash: d7cf5a9ebb5043cc7c1d66d66b4616104d0d9eb312ad29e6e986c3ad742a2e61503b71f6f0c31032cc7a42e72c78b052
SHA1 hash: ec60c147985c0cd1204c3bcf936a66405ce57b80
MD5 hash: 9aaac18b32c87873e975c1ddc9ddb8b1
humanhash: echo-zebra-oven-orange
File name:9aaac18b32c87873e975c1ddc9ddb8b1
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:01:22 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:snAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAkXw:MDqPoBhz1aRxcSUDk36SAh
Threatray 38 similar samples on MalwareBazaar
TLSH T16E36124576E8C0A8D02A16B8C4B782F1B7B27C45DA7A478F6744BF2D3D73A149F90B42
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 WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292125/
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
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
cmd.exe CVE-2017-0147 eternalblue exploit greyware greyware overlay packed ransomware shell32.dll wanna wannacry wannacryptor wcry worm
Link:
https://www.filescan.io/uploads/62d7548661945a46c8d5bf2e/reports/075f9901-a6a0-42d9-ae47-7aa9536f781a/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/15ae844b-c797-447c-acf4-ec093d0f10fe
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038303
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670800 Sample: pVq0MV4s45 Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 35 Tries to download HTTP data from a sinkholed server 2->35 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 6 other signatures 2->41 8 loaddll32.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 rundll32.exe 8->12         started        15 rundll32.exe 1 8->15         started        file5 18 rundll32.exe 10->18         started        49 Drops executables to the windows directory (C:\Windows) and starts them 12->49 20 mssecsvc.exe 6 12->20         started        27 C:\Windows\mssecsvc.exe, PE32 15->27 dropped signatures6 process7 dnsIp8 23 mssecsvc.exe 6 18->23         started        29 104.17.244.81, 49768, 80 CLOUDFLARENETUS United States 20->29 31 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 20->31 process9 dnsIp10 33 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.16.173.80, 49767, 80 CLOUDFLARENETUS United States 23->33 43 Antivirus detection for dropped file 23->43 45 Multi AV Scanner detection for dropped file 23->45 47 Machine Learning detection for dropped file 23->47 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44cf993bea888af81a2d6d85b1b70c2b5a18f96d8db7b6f3c03cfbabec60ec69/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-10-03 07:56:03 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 41 (87.80%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ithzso7krcfpqgrnnwc3dnymfnnbr6lnrw33n46aht52x3da5ruq._file
Verdict:
malicious
Similar samples:
138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038
WannaCry
287889afcc2b86f6b705c55882880954e41f15ecbf3441980a567f8ff10605a3
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82
WannaCry
ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9
WannaCry
fdca1e0c8951ddfbea1f9a4fbdd44aff52f3608396788add49b99c3f0b482e09
WannaCry
+ 28 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220720-bdsrgaadhj/
Behaviour
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Executes dropped EXE
Unpacked files
SH256 hash:
44cf993bea888af81a2d6d85b1b70c2b5a18f96d8db7b6f3c03cfbabec60ec69
MD5 hash:
9aaac18b32c87873e975c1ddc9ddb8b1
SHA1 hash:
ec60c147985c0cd1204c3bcf936a66405ce57b80
Link:
https://www.unpac.me/results/bee36ac6-0e2e-48ff-942b-7c39c93928ab/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44cf993bea88/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/44cf993bea888af81a2d6d85b1b70c2b5a18f96d8db7b6f3c03cfbabec60ec69

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
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/292125/

Comments