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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2da27cb1ddfd315a6497300d881d04b280f0bb6ee41a722aef22408df9f82c38. 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: 2da27cb1ddfd315a6497300d881d04b280f0bb6ee41a722aef22408df9f82c38
SHA3-384 hash: 0d7ee4d2a41fa7dfd008247b97110e0c374d44aec4e2bd560b8357a272fd77b456046cb66614e26f7c8690b46bbf6ece
SHA1 hash: 23b76791f633bc7f39fc7457f52e61bb8de8fea7
MD5 hash: 9bc1f89ad6c328ff37f3444407207067
humanhash: arkansas-victor-alaska-beryllium
File name:9bc1f89ad6c328ff37f3444407207067
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:53:36 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'125 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 98304:+DqPoBhz1aRxcSUDk36SAEdhvxWa9P59OZxz:+DqPe1Cxcxk3ZAEUadC7z
Threatray 125 similar samples on MalwareBazaar
TLSH T14F36CF30A9C8E7D0C602A173477E067877514098B3553A83B3B4AFE3E95B18F4EA56DE
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292217/
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:
100%
Tags:
cmd.exe greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d76091f56fa6e45df73285/reports/d2658710-38bb-4c7b-9fe4-972ec6b7557c/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2003a20a-6e39-4cfa-acd5-1b35cce5b183
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038231
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: 670725 Sample: H4BrlesVmJ 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 6 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        52 192.168.2.120 unknown unknown 11->52 54 192.168.2.121 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/2da27cb1ddfd315a6497300d881d04b280f0bb6ee41a722aef22408df9f82c38/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-09-02 21:47:03 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
38 of 43 (88.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fwrhzmo57uyvuzexgagyqhiewkapbo3o4qnhekxpejai36pyfq4a._file
Verdict:
malicious
Similar samples:
138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038
WannaCry
287889afcc2b86f6b705c55882880954e41f15ecbf3441980a567f8ff10605a3
WannaCry
4e9378241b5fb2cd33ba7562917608e61ee1d3aeed939eb60e005b9b084380ab
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
75eaa5ae72f3f366f85c32532a66aed56c797def2c5d67d7d53c233080555958
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
aec918fc5527c8960921c04c7abbcf3aadcb5d8f0aa6862c6d6be68e28771a68
WannaCry
b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82
WannaCry
fdca1e0c8951ddfbea1f9a4fbdd44aff52f3608396788add49b99c3f0b482e09
WannaCry
+ 115 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-cbj7zsacc6/
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 (1288) amount of remote hosts
Executes dropped EXE
Contacts a large (3214) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
2da27cb1ddfd315a6497300d881d04b280f0bb6ee41a722aef22408df9f82c38
MD5 hash:
9bc1f89ad6c328ff37f3444407207067
SHA1 hash:
23b76791f633bc7f39fc7457f52e61bb8de8fea7
Link:
https://www.unpac.me/results/47306f3e-8618-422e-96b2-0ad47a233630/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2da27cb1ddfd/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/2da27cb1ddfd315a6497300d881d04b280f0bb6ee41a722aef22408df9f82c38

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/292217/

Comments