MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c. 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: c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c
SHA3-384 hash: f9fca54fa54d7b18576321ff5854b8a16dcddd3858d686b62631864b107d35366df89d83dad33b95c20617fdc34bc9a8
SHA1 hash: 803199d3bfa9cd52bf43fce2f607704d56472a15
MD5 hash: 1426dfa5ada9a25984ea206aa31f2a46
humanhash: michigan-bulldog-lemon-twelve
File name:1426dfa5ada9a25984ea206aa31f2a46
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:43:12 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:gnQQqMSPbcBVQejdvxJM0H9PAMEcaEau3R8yAH1plAH:gzqPoBh5xWa9P593R8yAVp2H
Threatray 119 similar samples on MalwareBazaar
TLSH T1E53633A4665CB1FCF0950BB464234A2DB6BB3C65733A8B1F97C083660C03797AF98B55
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 :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292199/
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
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/62d75e5d7b83f958a968dfed/reports/edd41b38-cf14-4773-aece-10a2d1e78aba/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/15f63b05-3e55-407c-a585-da376f8ce5e5
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036978
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
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 dnsIp2 2 Behavior Graph ID: 669473 Sample: 8HNQ3h7LRn Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 57 time.windows.com 2->57 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 3 other signatures 2->75 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 2->12         started        16 svchost.exe 2->16         started        18 12 other processes 2->18 signatures3 process4 dnsIp5 20 cmd.exe 1 10->20         started        22 rundll32.exe 10->22         started        25 rundll32.exe 1 10->25         started        61 192.168.2.120 unknown unknown 12->61 63 192.168.2.121 unknown unknown 12->63 65 99 other IPs or domains 12->65 85 Connects to many different private IPs via SMB (likely to spread or exploit) 12->85 87 Connects to many different private IPs (likely to spread or exploit) 12->87 89 Changes security center settings (notifications, updates, antivirus, firewall) 16->89 28 MpCmdRun.exe 1 16->28         started        signatures6 process7 file8 30 rundll32.exe 20->30         started        77 Drops executables to the windows directory (C:\Windows) and starts them 22->77 32 mssecsvc.exe 1 22->32         started        53 C:\Windows\mssecsvc.exe, PE32 25->53 dropped 37 conhost.exe 28->37         started        signatures9 process10 dnsIp11 39 mssecsvc.exe 1 30->39         started        55 www.xn--0ca601n 32->55 49 C:\WINDOWS\qeriuwjhrf (copy), PE32 32->49 dropped 67 Drops executables to the windows directory (C:\Windows) and starts them 32->67 44 tasksche.exe 32->44         started        file12 signatures13 process14 dnsIp15 59 www.xn--0ca601n 39->59 51 C:\Windows\tasksche.exe, PE32 39->51 dropped 79 Antivirus detection for dropped file 39->79 81 Multi AV Scanner detection for dropped file 39->81 83 Machine Learning detection for dropped file 39->83 46 tasksche.exe 39->46         started        file16 signatures17 process18 signatures19 91 Detected Wannacry Ransomware 46->91 93 Antivirus detection for dropped file 46->93 95 Multi AV Scanner detection for dropped file 46->95 97 Machine Learning detection for dropped file 46->97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2021-06-01 02:00:00 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=y5nim5z4ufyaq22kwecbxpugvrlydrb23ggcyjweh3ujx3df5yga._file
Verdict:
malicious
Similar samples:
136405b165c6eec8be85c59075f98012d8fe5cf802328e47d3228e99f5897170
WannaCry
4e9378241b5fb2cd33ba7562917608e61ee1d3aeed939eb60e005b9b084380ab
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
9fe47b1bddf2c8fa897918f3bea8ead0604e4d25a54c72473414f5943405b792
WannaCry
a414c88ea3abea18940a7cfa966006ec106c8194854dca735791340516a6ddbd
WannaCry
f4048bacc029767ce323bdf41326c012bed6be87e9a371a9af116e189692db85
WannaCry
f72611c5668e9ea1177f96b11318d74b446eaba038723226d0b9d02173f00086
WannaCry
+ 109 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-b5vedaagcn/
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 (1208) amount of remote hosts
Executes dropped EXE
Contacts a large (3306) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c
MD5 hash:
1426dfa5ada9a25984ea206aa31f2a46
SHA1 hash:
803199d3bfa9cd52bf43fce2f607704d56472a15
Link:
https://www.unpac.me/results/9ff3b2ad-92ff-42a2-beb8-70cb9b58b9c4/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c75a86773ca1/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/c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c

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/292199/

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