MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02. 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: 15

Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash:	f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02
SHA3-384 hash:	bf505f091d08b8b3e192d72d6a5c5ba345ed04916cf40e418729431d2e93d169eacd9ccfc18b3c70cf7d1e9234cb91e2
SHA1 hash:	0e3c7374332d4a507fdbd7b30f5f78d7a4fbafcc
MD5 hash:	be3c1ef872e8e146ff78e66271ca261b
humanhash:	april-muppet-dakota-bravo
File name:	be3c1ef872e8e146ff78e66271ca261b
Download:	download sample
Signature	WannaCry Create hunting rule
File size:	5'267'459 bytes
First seen:	2025-01-15 01:50:46 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep	98304:18qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8s3:18qPe1Cxcxk3ZAEUadzR8s
Threatray	58 similar samples on MalwareBazaar
TLSH	T10D36E052D2850EA4D5E10AF61269DB50A77F2F5582AFB23E2621402F1CB7F1C9DE4F2C
TrID	41.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 22.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 11.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 7.5% (.EXE) Win64 Executable (generic) (10522/11/4) 4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	mentality
Tags:	dll exe WannaCry

Intelligence

File Origin

# of uploads :

# of downloads :

525

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67871492aa9c8e7858dece30

Tags:

wannacry madi

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd crypto lolbin microsoft_visual_cc overlay packed packed ransomware rundll32 smb threat virus virut wanna wannacry wannacryptor

Link:

https://www.filescan.io/uploads/6787148d378c50dc9940324f/reports/bfd967ab-f588-4a87-bc38-0290e5831010/overview

Verdict:

Malicious

Labled as:

CVE-2017-0147

Link:

https://www.hybrid-analysis.com/sample/f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02

Malware family:

Mimikatz

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/acd538f2-1329-44e2-b3e4-782d04476a5c

Result

Threat name:

Virut, Wannacry

Detection:

malicious

Classification:

rans.troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1591515

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Changes memory attributes in foreign processes to executable or writable

Connects to many different private IPs (likely to spread or exploit)

Connects to many different private IPs via SMB (likely to spread or exploit)

Creates a thread in another existing process (thread injection)

Drops executables to the windows directory (C:\Windows) and starts them

Found evasive API chain (may execute only at specific dates)

Injects code into the Windows Explorer (explorer.exe)

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 dropped file

Multi AV Scanner detection for submitted file

PE file has a writeable .text section

Suricata IDS alerts for network traffic

Tries to evade debugger and weak emulator (self modifying code)

Tries to resolve many domain names, but no domain seems valid

Writes to foreign memory regions

Yara detected Virut

Yara detected Wannacry ransomware

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02/

Threat name:

Win32.Ransomware.WannaCry

Status:

Malicious

First seen:

2017-08-02 04:26:47 UTC

File Type:

PE (Dll)

Extracted files:

AV detection:

35 of 38 (92.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6y7ljbmom2ej5c3c43ts7zovmiezlq74zkum2iyehqrn3m6gviba._file

Result

Malware family:

wannacry

Score:

10/10

Tags:

family:wannacry discovery evasion ransomware worm

Link:

https://tria.ge/reports/250115-b9vwpsyndl/

Behaviour

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Drops file in Windows directory

Drops file in System32 directory

Creates a large amount of network flows

Executes dropped EXE

Contacts a large (3221) amount of remote hosts

Modifies firewall policy service

Wannacry

Wannacry family

Unpacked files

SH256 hash:

8a011965ce221498aea2c6ac4d3ee14baa25084754114a6b6b6d72da416df8e3

MD5 hash:

433720564d376a59c4fc3f2f8acec030

SHA1 hash:

1b67a91e2cff865a48044c68450ff3e049c6fe03

Detections:

WannaCry

ransomware_windows_wannacry

WannaCry_Ransomware

WannaCry_Ransomware_Gen

Link:

https://www.unpac.me/results/04197f09-8ea9-4456-86ed-832e75fbc01c/

SH256 hash:

f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02

MD5 hash:

be3c1ef872e8e146ff78e66271ca261b

SHA1 hash:

0e3c7374332d4a507fdbd7b30f5f78d7a4fbafcc

Detections:

WannaCry

Link:

https://www.unpac.me/results/04197f09-8ea9-4456-86ed-832e75fbc01c/

Malware family:

WannaCry

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f63eb4858e66/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02

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:	Armadillov1xxv2xx Create hunting rule
Author:	malware-lu

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	SUSP_Imphash_Mar23_2 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:	Internal Research

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	WannaCry_Ransomware Create hunting rule
Author:	Florian Roth (Nextron Systems) (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.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::CloseHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA

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