MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a
SHA3-384 hash: fa9318136e2e6b7c4455fcfc9e56ff58ae014c7a088a644eef811c7e7d1c1a50fedcd5061c4c5f17d85b649efbfb891b
SHA1 hash: ab2e4824ecdb79267593c4d221202adcf8d5c6a4
MD5 hash: d71fc96dcd0ac37af94750945b4a3dd9
humanhash: zebra-lactose-arizona-oven
File name:d71fc96dcd0ac37af94750945b4a3dd9
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 02:53:28 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:snjQqMSPbcBVQej/1Im+TSqTdX1HkQo6SAARdh:M8qPoBhz13cSUDk36SAEdh
Threatray 196 similar samples on MalwareBazaar
TLSH T14C36335AB17CC6FCC10626B414A78A63A6B33C5A16FE560FCF408A661D53B14FFE0A47
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 :
188
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292321/
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
Launching a process
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d76e5900d6e9040b579670/reports/bb940904-483f-426b-8aca-a43d9e639659/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/491ea6c1-500b-4fad-a6df-25729f367355
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038134
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670625 Sample: 0ZY5S178zS Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 4 other signatures 2->60 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 4 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        48 192.168.2.120 unknown unknown 11->48 50 192.168.2.121 unknown unknown 11->50 52 98 other IPs or domains 11->52 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 signatures5 process6 file7 27 rundll32.exe 19->27         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 29 mssecsvc.exe 1 21->29         started        44 C:\Windows\mssecsvc.exe, PE32 24->44 dropped signatures8 process9 file10 33 mssecsvc.exe 1 27->33         started        46 C:\WINDOWS\qeriuwjhrf (copy), PE32 29->46 dropped 82 Drops executables to the windows directory (C:\Windows) and starts them 29->82 37 tasksche.exe 29->37         started        signatures11 process12 file13 42 C:\Windows\tasksche.exe, PE32 33->42 dropped 62 Antivirus detection for dropped file 33->62 64 Multi AV Scanner detection for dropped file 33->64 66 Machine Learning detection for dropped file 33->66 39 tasksche.exe 33->39         started        signatures14 process15 signatures16 70 Detected Wannacry Ransomware 39->70 72 Antivirus detection for dropped file 39->72 74 Multi AV Scanner detection for dropped file 39->74 76 Machine Learning detection for dropped file 39->76
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-03-30 06:49:51 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
38 of 41 (92.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxsjluhwzg3fxupf55mgwhyfqzga7nieqw4noeexzfhofsuzcina._file
Verdict:
malicious
Similar samples:
2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621
WannaCry
40817631c9126d9c6ee51ed0bfae33a33c81c21188384b6f3ccbbf14aeadf272
WannaCry
4e9378241b5fb2cd33ba7562917608e61ee1d3aeed939eb60e005b9b084380ab
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c
WannaCry
eac6b0bbe69ef8c0dc8e36cbff6d5c2a7cb4d662f4d88e5bc8b596b2275d694b
WannaCry
ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9
WannaCry
+ 186 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-ddwt8sbgcm/
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 (1301) amount of remote hosts
Executes dropped EXE
Contacts a large (3219) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a
MD5 hash:
d71fc96dcd0ac37af94750945b4a3dd9
SHA1 hash:
ab2e4824ecdb79267593c4d221202adcf8d5c6a4
Link:
https://www.unpac.me/results/cedb94d7-e08c-4ad9-993f-ee7232b9692d/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8de495d0f6c9/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/8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a

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/292321/

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