MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75eaa5ae72f3f366f85c32532a66aed56c797def2c5d67d7d53c233080555958. 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: 75eaa5ae72f3f366f85c32532a66aed56c797def2c5d67d7d53c233080555958
SHA3-384 hash: d744111e83ddfd95055186a779c30effedc9f59875302a0328578aa2b6c41df0a51de232df1a8933d32ba1fac354943d
SHA1 hash: 1d0be1cfa868f8cc3038bf6deaa9ed38094bd13f
MD5 hash: a431e6bb7ce0b05dd9d9b408868b7d1f
humanhash: magnesium-west-fish-cup
File name:a431e6bb7ce0b05dd9d9b408868b7d1f
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 00:33:58 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 98304:+DqPoBhz1aRxcSUDk36SAEdhv+5y8yAVp2H:+DqPe1Cxcxk3ZAEic8yc4H
Threatray 38 similar samples on MalwareBazaar
TLSH T1E436F101D1E51A64D6F20AF626B9DB10977ABE06D96BDA5E1221010F0C73F1CCDE6F2D
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 WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292076/
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:
100%
Tags:
cmd.exe greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d74d91ee649612ac5c20f6/reports/9e52de77-014a-4cbc-b090-2ef419e98120/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/b8248b00-6134-4174-9314-015969c6fa87
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038343
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)
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
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: 670838 Sample: JnqM1TFtYi Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 64 Tries to download HTTP data from a sinkholed server 2->64 66 Snort IDS alert for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 6 other signatures 2->70 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        process3 dnsIp4 15 cmd.exe 1 9->15         started        17 rundll32.exe 9->17         started        20 rundll32.exe 1 9->20         started        48 104.17.244.81, 49720, 49736, 80 CLOUDFLARENETUS United States 11->48 50 192.168.2.120 unknown unknown 11->50 52 99 other IPs or domains 11->52 82 Connects to many different private IPs via SMB (likely to spread or exploit) 11->82 84 Connects to many different private IPs (likely to spread or exploit) 11->84 signatures5 process6 file7 23 rundll32.exe 15->23         started        62 Drops executables to the windows directory (C:\Windows) and starts them 17->62 25 mssecsvc.exe 7 17->25         started        40 C:\Windows\mssecsvc.exe, PE32 20->40 dropped signatures8 process9 dnsIp10 30 mssecsvc.exe 7 23->30         started        46 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 25->46 42 C:\WINDOWS\qeriuwjhrf (copy), PE32 25->42 dropped 80 Drops executables to the windows directory (C:\Windows) and starts them 25->80 35 tasksche.exe 25->35         started        file11 signatures12 process13 dnsIp14 54 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 30->54 44 C:\Windows\tasksche.exe, PE32 30->44 dropped 56 Antivirus detection for dropped file 30->56 58 Multi AV Scanner detection for dropped file 30->58 60 Machine Learning detection for dropped file 30->60 37 tasksche.exe 30->37         started        file15 signatures16 process17 signatures18 72 Detected Wannacry Ransomware 37->72 74 Antivirus detection for dropped file 37->74 76 Multi AV Scanner detection for dropped file 37->76 78 Machine Learning detection for dropped file 37->78
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/75eaa5ae72f3f366f85c32532a66aed56c797def2c5d67d7d53c233080555958/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-10-23 21:46:01 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=oxvkllts6pzwn6c4gjjsuzvo2vwhs7ppfrowpv6vhqrtbacvlfma._file
Verdict:
malicious
Similar samples:
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
36dc0aae52946e3f9530c53925301bb8dbfa8216291705d99ef913d55f6ec1c9
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
9225232799b946c0b18e7270bb29a265e1985d6192c04114cec51fa7b34f11ff
WannaCry
95f9847e020b97c1a3bc47d33c15da892958bb76c95153696eda1f13e454ddf5
WannaCry
aec918fc5527c8960921c04c7abbcf3aadcb5d8f0aa6862c6d6be68e28771a68
WannaCry
fdca1e0c8951ddfbea1f9a4fbdd44aff52f3608396788add49b99c3f0b482e09
WannaCry
+ 28 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-awsnrahgd7/
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 (1315) amount of remote hosts
Executes dropped EXE
Contacts a large (3290) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
75eaa5ae72f3f366f85c32532a66aed56c797def2c5d67d7d53c233080555958
MD5 hash:
a431e6bb7ce0b05dd9d9b408868b7d1f
SHA1 hash:
1d0be1cfa868f8cc3038bf6deaa9ed38094bd13f
Link:
https://www.unpac.me/results/41313a56-2ee7-44ba-9575-ccd834545b55/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/75eaa5ae72f3/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/75eaa5ae72f3f366f85c32532a66aed56c797def2c5d67d7d53c233080555958

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/292076/

Comments