MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c. 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: 18

Intelligence 18 IOCs YARA 10 File information Comments

SHA256 hash:	51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c
SHA3-384 hash:	3a05e2975e7e460c0c1a6f6fc652d3ac1639aad16ce859c49afab950f9ab66b4a69d57d425e234aa5305171285a290ed
SHA1 hash:	8293d0722efb8e70bc3a71df5d114dc9312a5133
MD5 hash:	8da84a9b6ec08f07a7c17e2036ee8600
humanhash:	coffee-failed-alaska-beer
File name:	250428-dfq2rsyzbv.bin
Download:	download sample
Signature	WannaCry Create hunting rule
File size:	3'723'264 bytes
First seen:	2025-04-28 03:02:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9ecee117164e0b870a53dd187cdd7174 (82 x WannaCry, 1 x Worm.Virut)
ssdeep	49152:XnpENbcBVQej/1INRx+TSqTdX1HkQo6SAgqG:Xp+oBhz1aRxcSUDk36SAgH
TLSH	T14906221774A9C1F5C40669B548FE8993D6FE3C372262796F3BC01D3A2EA2B61C613721
TrID	34.2% (.EXE) InstallShield setup (43053/19/16) 24.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 13.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.3% (.EXE) Win64 Executable (generic) (10522/11/4) 5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	UNP4CK
Tags:	WannaCry

Intelligence

File Origin

# of uploads :

# of downloads :

529

Origin country :

Vendor Threat Intelligence

Malware family:

wannacry

ID:

File name:

2025-04-28_8da84a9b6ec08f07a7c17e2036ee8600_amadey_elex_smoke-loader_stealc_wannacry

Verdict:

Malicious activity

Analysis date:

2025-04-28 03:00:41 UTC

Tags:

ransomware wannacry

Link:

https://app.any.run/tasks/f90202cc-f520-4d2c-b9f8-c51bff9a9504

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/4581/

Detection(s):

Win.Dropper.DarkKomet-9370806-0

Win.Exploit.Doublepulsar-7427328-0

Win.Malware.Djwy-6775897-0

Win.Malware.Rasftuby-6789024-0

Win.Ransomware.Wanacryptor-9942127-1

Win.Ransomware.Wanna-9769986-0

Win.Ransomware.WannaCry-6313787-0

Win.Ransomware.Wannacry-9982112-0

Win.Ransomware.Wannacrypt-6804263-0

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=680eef58c8b2e86d0ac38a1f

Tags:

shellcode wannacry overt virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending an HTTP GET request to an infection source

Creating a service

Launching a service

Restart of the analyzed sample

Searching for synchronization primitives

Connection attempt

Creating a process from a recently created file

Creating a process with a hidden window

Sending a custom TCP request

Creating a window

Searching for the window

Сreating synchronization primitives

Creating a file in the Windows directory

Query of malicious DNS domain

Connection attempt to an infection source

Enabling autorun for a service

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

crypto masquerade microsoft_visual_cc overlay ransomware ransomware smb wanna wannacry wannacry wannacrypt

Link:

https://www.filescan.io/uploads/680eeff0218c4a98ade4635d/reports/9a49e0de-5647-4155-9162-795cf2943332/overview

Verdict:

Malicious

Labled as:

CVE-2017-0147

Link:

https://www.hybrid-analysis.com/sample/51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c

Malware family:

Mimikatz

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/03b8df52-c86e-4e82-8a4a-c3f6186871f0

Result

Threat name:

Wannacry

Detection:

malicious

Classification:

rans.expl.evad

Score:

62 / 100

Link:

https://www.joesandbox.com/analysis/1675854

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

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)

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

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected Wannacry ransomware

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c/

Threat name:

Win32.Ransomware.WannaCry

Status:

Malicious

First seen:

2025-04-27 18:30:35 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 23 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=khj2ubkmhsmoexuxh4lkowzgpmnuqi6ll3ozxih63wc7cksekz6a._file

Verdict:

malicious

Label(s):

wannacryptor

Similar samples:

error

WannaCry

Result

Malware family:

wannacry

Score:

10/10

Tags:

family:wannacry discovery ransomware worm

Link:

https://tria.ge/reports/250428-dj2bxay1bw/

Behaviour

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

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 (3305) amount of remote hosts

Wannacry

Wannacry family

Verdict:

Malicious

Tags:

ransomware wannacryptor Win.Dropper.DarkKomet-9370806-0

YARA:

MS17_010_WanaCry_worm WannaDecryptor WannaCry_SMB_Exploit worm_ms17_010 WannaCry_Ransomware WannaCry_Ransomware_Gen

Link:

https://app.threat.zone/submission/35929c6b-fbad-41ea-8b81-a0f19e34a7f9

Unpacked files

SH256 hash:

51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c

MD5 hash:

8da84a9b6ec08f07a7c17e2036ee8600

SHA1 hash:

8293d0722efb8e70bc3a71df5d114dc9312a5133

Link:

https://www.unpac.me/results/9e92a1c5-ee8a-457b-a626-6f9b8e57bc8b/

SH256 hash:

d32005425cbedf95e068781238104575110d0c790f9800c9da8ba21c6ff2c88c

MD5 hash:

bfeb80767bc30d8d779f59c6662dd921

SHA1 hash:

0418d2a82b7e3c8816a7687af63dd3e6d406e3e3

Detections:

WannaCry_Ransomware

SUSP_Imphash_Mar23_2

Link:

https://www.unpac.me/results/9e92a1c5-ee8a-457b-a626-6f9b8e57bc8b/

SH256 hash:

24a300da5abe7e59a3ed093bc5cc6ea0e8724349a2d3f51bb5434937afe6ebfe

MD5 hash:

73ad1eb725a2eb665b7a6464e80445f0

SHA1 hash:

de14242738c11207f7181d7c254ad9d433360519

Detections:

WannaCry_Ransomware

Link:

https://www.unpac.me/results/9e92a1c5-ee8a-457b-a626-6f9b8e57bc8b/

SH256 hash:

d3c42fbf14f709f3edd32d83d2372eb8e44610c025ee9f4550d6cd2b34d5d16b

MD5 hash:

940acef8905aca53ccde97afeafc3d7b

SHA1 hash:

3c84ff48de64c68206fdd2c40cdffc475fc085fd

Link:

https://www.unpac.me/results/9e92a1c5-ee8a-457b-a626-6f9b8e57bc8b/

SH256 hash:

0a017bad9ad51511b3abb851c01b4bda3fffecb63f27c616d8da298c54d46d6d

MD5 hash:

19eccdebe249264281a21028592fa12e

SHA1 hash:

b62eca58c2294b95a8d3d7447b29018ffd41e0d2

Link:

https://www.unpac.me/results/9e92a1c5-ee8a-457b-a626-6f9b8e57bc8b/

Malware family:

WannaCry

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/51d3aa054c3c/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/51d3aa054c3c98e25e973f16a75b267b1b4823cb5edd9ba0fedd85f12a44567c

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:	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:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SelfExtractingRAR Create hunting rule
Author:	Xavier Mertens
Description:	Detects an SFX archive with automatic script execution

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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

Rule name:	WannaCry_Ransomware_Gen Create hunting rule
Author:	Florian Roth (Nextron Systems) (based on rule by US CERT)
Description:	Detects WannaCry Ransomware
Reference:	https://www.us-cert.gov/ncas/alerts/TA17-132A

Rule name:	WannaCry_Ransomware_Gen_RID302B Create hunting rule
Author:	Florian Roth (based on rule by US CERT)
Description:	Detects WannaCry Ransomware
Reference:	https://www.us-cert.gov/ncas/alerts/TA17-132A

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/4581/

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::CloseHandle WININET.dll::InternetCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::MoveFileExA
WIN_CRYPT_API	Uses Windows Crypt API	ADVAPI32.dll::CryptAcquireContextA ADVAPI32.dll::CryptGenRandom
WIN_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::ChangeServiceConfig2A ADVAPI32.dll::CreateServiceA ADVAPI32.dll::OpenSCManagerA ADVAPI32.dll::OpenServiceA ADVAPI32.dll::RegisterServiceCtrlHandlerA ADVAPI32.dll::StartServiceA

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample