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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f4b708137ae129c1593958858d258496dd06d95efb1aac4b56fdeea970c62f7. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f4b708137ae129c1593958858d258496dd06d95efb1aac4b56fdeea970c62f7
SHA3-384 hash: 14d78ea71a13c9e6532e9c1e6ed0fa2c0a95aa6046698841ffd85744a2aa2486845d983b9cce82aa0b9c5ba404cd7e35
SHA1 hash: 094bd6f96d579758ec5bcb309120af21d8565bbc
MD5 hash: ff8ea49196528799c0fdb1e47ed5e3ec
humanhash: spring-ack-lake-timing
File name:ff8ea49196528799c0fdb1e47ed5e3ec
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 02:28:26 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 98304:+8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2P:+8qPe1Cxcxk3ZAEUadzR8yc4P
Threatray 135 similar samples on MalwareBazaar
TLSH T1DB3633A4622CA2FCF0450EB44463895BB7B33C69A7BE5E1F8B8046670D43B5BAFD0641
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 :
251
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292277/
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/62d768b4ee649612ac5c4927/reports/2c989e68-a161-4e06-b8e9-2557258acebe/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af78655c-7406-48aa-8a78-c3f4eab818fa
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037018
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)
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 dnsIp2 2 Behavior Graph ID: 669513 Sample: 2YzUNJHx80 Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 56 time.windows.com 2->56 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 4 other signatures 2->72 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 21 cmd.exe 1 10->21         started        23 rundll32.exe 10->23         started        26 rundll32.exe 1 10->26         started        58 192.168.2.120 unknown unknown 12->58 60 192.168.2.121 unknown unknown 12->60 62 98 other IPs or domains 12->62 82 Connects to many different private IPs via SMB (likely to spread or exploit) 12->82 84 Connects to many different private IPs (likely to spread or exploit) 12->84 86 Changes security center settings (notifications, updates, antivirus, firewall) 16->86 29 MpCmdRun.exe 1 16->29         started        50 C:\ProgramData\Microsoft50etwork\...\qmgr.jfm, COM 18->50 dropped file6 signatures7 process8 file9 31 rundll32.exe 21->31         started        74 Drops executables to the windows directory (C:\Windows) and starts them 23->74 33 mssecsvc.exe 1 23->33         started        54 C:\Windows\mssecsvc.exe, PE32 26->54 dropped 37 conhost.exe 29->37         started        signatures10 process11 file12 39 mssecsvc.exe 1 31->39         started        48 C:\WINDOWS\qeriuwjhrf (copy), PE32 33->48 dropped 64 Drops executables to the windows directory (C:\Windows) and starts them 33->64 43 tasksche.exe 33->43         started        signatures13 process14 file15 52 C:\Windows\tasksche.exe, PE32 39->52 dropped 76 Antivirus detection for dropped file 39->76 78 Multi AV Scanner detection for dropped file 39->78 80 Machine Learning detection for dropped file 39->80 45 tasksche.exe 39->45         started        signatures16 process17 signatures18 88 Detected Wannacry Ransomware 45->88 90 Antivirus detection for dropped file 45->90 92 Multi AV Scanner detection for dropped file 45->92 94 Machine Learning detection for dropped file 45->94
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f4b708137ae129c1593958858d258496dd06d95efb1aac4b56fdeea970c62f7/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-08-29 15:42:06 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=p5fxbajxvyjjyfmtswefrusyjfw5a3mv56y2vrfvn7povfymml3q._file
Verdict:
malicious
Similar samples:
07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd
WannaCry
138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038
WannaCry
287889afcc2b86f6b705c55882880954e41f15ecbf3441980a567f8ff10605a3
WannaCry
4e9378241b5fb2cd33ba7562917608e61ee1d3aeed939eb60e005b9b084380ab
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
b05845d73604d9a17d72de5d9db27e59a89e6a979fbc71a384646a558b88de82
WannaCry
fdca1e0c8951ddfbea1f9a4fbdd44aff52f3608396788add49b99c3f0b482e09
WannaCry
+ 125 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-cykf9sbaa2/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Contacts a large (1284) amount of remote hosts
Executes dropped EXE
Contacts a large (2543) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
7f4b708137ae129c1593958858d258496dd06d95efb1aac4b56fdeea970c62f7
MD5 hash:
ff8ea49196528799c0fdb1e47ed5e3ec
SHA1 hash:
094bd6f96d579758ec5bcb309120af21d8565bbc
Link:
https://www.unpac.me/results/0d89b81d-5f98-459a-9c44-61cc23bd6d36/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7f4b708137ae/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/7f4b708137ae129c1593958858d258496dd06d95efb1aac4b56fdeea970c62f7

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/292277/

Comments