MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6448d228f342fb138a747f8fa317b004553f36f83fdd1b200baf80b7b9d9f5da. 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

SHA256 hash: 6448d228f342fb138a747f8fa317b004553f36f83fdd1b200baf80b7b9d9f5da
SHA3-384 hash: 8e84fcdc3597b5b4fc860d82dac6f086e36a8100ab56e9938dbc2b5ff511b2c66bb85b2d96f981d7c2328287bceab6c3
SHA1 hash: b552f34a006c309706ea1d4294f7e75a078beda3
MD5 hash: 2de468a78a23789fd3ae2715b08b919a
humanhash: mobile-autumn-louisiana-tennis
File name:2de468a78a23789fd3ae2715b08b919a
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-20 00:38:29 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (874 x WannaCry, 4 x Worm.Virut)
ssdeep 98304:9DqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:9DqPe1Cxcxk3ZAEUadzR8yc4H
Threatray 13'183 similar samples on MalwareBazaar
TLSH T161363394626CB1BCF0440EB44473896BB7B33C69A7BA5F1F9BC086670D43B5BABD0641
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 :
196
Origin country :
n/a
Vendor Threat Intelligence
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 packed ransomware shell32.dll wanna wannacry worm
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.
Result
Threat name:
Wannacry, Virut
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes memory attributes in foreign processes to executable or writable
Changes security center settings (notifications, updates, antivirus, firewall)
Creates a thread in another existing process (thread injection)
Detected Wannacry Ransomware
Drops executables to the windows directory (C:\Windows) and starts them
Found evasive API chain (may execute only at specific dates)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Tries to evade debugger and weak emulator (self modifying code)
Tries to resolve many domain names, but no domain seems valid
Yara detected Virut
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 670833 Sample: 7Qu8thR7WW Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 65 zxiljl.com 2->65 67 xzxehm.com 2->67 69 18 other IPs or domains 2->69 77 Tries to download HTTP data from a sinkholed server 2->77 79 Snort IDS alert for network traffic 2->79 81 Multi AV Scanner detection for domain / URL 2->81 85 8 other signatures 2->85 11 loaddll32.exe 1 2->11         started        13 mssecsvc.exe 2->13         started        16 svchost.exe 2->16         started        18 6 other processes 2->18 signatures3 83 Tries to resolve many domain names, but no domain seems valid 67->83 process4 dnsIp5 21 cmd.exe 1 11->21         started        23 rundll32.exe 11->23         started        26 rundll32.exe 1 11->26         started        105 Maps a DLL or memory area into another process 13->105 29 dwm.exe 13->29 injected 107 Changes security center settings (notifications, updates, antivirus, firewall) 16->107 71 127.0.0.1 unknown unknown 18->71 109 Query firmware table information (likely to detect VMs) 18->109 signatures6 process7 file8 31 rundll32.exe 21->31         started        91 Drops executables to the windows directory (C:\Windows) and starts them 23->91 33 mssecsvc.exe 7 23->33         started        61 C:\Windows\mssecsvc.exe, PE32 26->61 dropped signatures9 process10 dnsIp11 38 mssecsvc.exe 7 31->38         started        63 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.17.244.81, 49743, 49847, 80 CLOUDFLARENETUS United States 33->63 59 C:\Windows\tasksche.exe, PE32 33->59 dropped 87 Drops executables to the windows directory (C:\Windows) and starts them 33->87 42 tasksche.exe 33->42         started        file12 89 Tries to resolve many domain names, but no domain seems valid 63->89 signatures13 process14 dnsIp15 73 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 38->73 93 Antivirus detection for dropped file 38->93 95 Machine Learning detection for dropped file 38->95 97 Changes memory attributes in foreign processes to executable or writable 38->97 103 4 other signatures 38->103 44 svchost.exe 38->44 injected 46 svchost.exe 38->46         started        49 svchost.exe 8 38->49         started        51 15 other processes 38->51 99 Detected Wannacry Ransomware 42->99 101 Multi AV Scanner detection for dropped file 42->101 signatures16 process17 dnsIp18 53 taskhostw.exe 44->53         started        55 UsoClient.exe 44->55         started        57 UpdateNotificationMgr.exe 44->57         started        75 192.168.2.1 unknown unknown 46->75 process19
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2020-11-11 08:40:04 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 41 (87.80%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery evasion ransomware worm
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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 (991) amount of remote hosts
Executes dropped EXE
Contacts a large (3202) amount of remote hosts
Modifies firewall policy service
Wannacry
Unpacked files
SH256 hash:
6448d228f342fb138a747f8fa317b004553f36f83fdd1b200baf80b7b9d9f5da
MD5 hash:
2de468a78a23789fd3ae2715b08b919a
SHA1 hash:
b552f34a006c309706ea1d4294f7e75a078beda3
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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: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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