MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec29f4db6e43c8bfad91f4d2910c6db42b975d33f7a51c69ea9e0dc9d400584f. 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

SHA256 hash: ec29f4db6e43c8bfad91f4d2910c6db42b975d33f7a51c69ea9e0dc9d400584f
SHA3-384 hash: a5dd22f9b522deba1d4e7dbf2952a12e9d89493db52aeed3e9ec7f8e9ac1e804206ac3faab72c3665d4d1f1703dcc598
SHA1 hash: 746a147d80ad18a14675cd3ac6ab36732b005993
MD5 hash: 4c35693cadb792e90bdddc8380b842c5
humanhash: pizza-hot-william-kitten
File name:4c35693cadb792e90bdddc8380b842c5
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-20 01:22:45 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'122 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:SnSVl1Vl1hVOYRl1Fi4ioU5l1FkZ0p3H/n66X1i:+YHUX6i1
Threatray 103 similar samples on MalwareBazaar
TLSH T1FC368E145AD59031C573297948F9637C17BC8BB85B0DC7CB7360FEEA1C6BE80AA28356
TrID 59.3% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
12.5% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
9.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
4.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.9% (.SCR) Windows screen saver (13101/52/3)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
greyware greyware overlay packed packed ransomware wannacry worm
Result
Threat name:
Wannacry
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
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)
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 domain / URL
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669459 Sample: v7P9lL8X5P Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 69 Tries to download HTTP data from a sinkholed server 2->69 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 7 other signatures 2->75 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 2->12         started        16 svchost.exe 8 2->16         started        18 4 other processes 2->18 process3 dnsIp4 20 cmd.exe 1 10->20         started        22 rundll32.exe 10->22         started        25 rundll32.exe 1 10->25         started        63 104.17.244.81, 49763, 80 CLOUDFLARENETUS United States 12->63 65 192.168.2.120 unknown unknown 12->65 67 99 other IPs or domains 12->67 87 Connects to many different private IPs via SMB (likely to spread or exploit) 12->87 89 Connects to many different private IPs (likely to spread or exploit) 12->89 28 WerFault.exe 16->28         started        30 WerFault.exe 16->30         started        signatures5 process6 file7 32 rundll32.exe 20->32         started        79 Drops executables to the windows directory (C:\Windows) and starts them 22->79 34 mssecsvc.exe 7 22->34         started        57 C:\Windows\mssecsvc.exe, PE32 25->57 dropped signatures8 process9 dnsIp10 39 mssecsvc.exe 7 32->39         started        59 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 34->59 53 C:\WINDOWS\qeriuwjhrf (copy), PE32 34->53 dropped 77 Drops executables to the windows directory (C:\Windows) and starts them 34->77 44 tasksche.exe 34->44         started        file11 signatures12 process13 dnsIp14 61 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 39->61 55 C:\Windows\tasksche.exe, PE32 39->55 dropped 81 Antivirus detection for dropped file 39->81 83 Multi AV Scanner detection for dropped file 39->83 85 Machine Learning detection for dropped file 39->85 46 tasksche.exe 39->46         started        49 WerFault.exe 9 44->49         started        file15 signatures16 process17 signatures18 91 Multi AV Scanner detection for dropped file 46->91 51 WerFault.exe 23 9 46->51         started        process19
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2019-05-26 22:39:19 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1306) amount of remote hosts
Executes dropped EXE
Contacts a large (3079) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
ec29f4db6e43c8bfad91f4d2910c6db42b975d33f7a51c69ea9e0dc9d400584f
MD5 hash:
4c35693cadb792e90bdddc8380b842c5
SHA1 hash:
746a147d80ad18a14675cd3ac6ab36732b005993
Please note that we are no longer able to provide a coverage score for Virus Total.

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:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:WannaCry_Ransomware
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.

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