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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874
SHA3-384 hash: c8a35a2a6d1f504fd852d3b6d73f3adb448aa1ebf6ee0d5f0782e8cc67455ed0fee3141d57f806163012cb075c222aee
SHA1 hash: 174f8cdb720423b02b6ccf5b31c98298f03b691d
MD5 hash: 250ae430b49bdd1562898d702c452af3
humanhash: gee-burger-alabama-stairway
File name:250ae430b49bdd1562898d702c452af3
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2025-01-14 21:39:56 UTC
Last seen:2025-01-14 21:59:53 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 98304:d8cPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:d8cPe1Cxcxk3ZAEUadzR8yc4H
TLSH T1F7363394A56CA0FCE0440EF404778D5AF7B73C296BBB4A1F8BC0866A0D53F5BABD4641
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter mentality
Tags:dll exe WannaCry

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
CA CA
Vendor Threat Intelligence
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-9982112-0
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

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6786d9b54487910100df0e3d
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto microsoft_visual_cc overlay overlay packed packed ransomware smb wanna wannacry wannacryptor
Link:
https://www.filescan.io/uploads/6786d9b4378c50dc9940142a/reports/961142de-6963-4b5d-a8a9-be4b60403a40/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/937bec58-18da-424d-b642-e927cae3a5ca
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1591358
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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 signatures2 2 Behavior Graph ID: 1591358 Sample: YZJG8NuHEP.dll Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 5 other signatures 2->65 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 mssecsvc.exe 2->15         started        17 svchost.exe 6 14 2->17         started        process3 dnsIp4 19 rundll32.exe 9->19         started        21 rundll32.exe 9->21         started        24 cmd.exe 1 9->24         started        26 conhost.exe 9->26         started        53 62.23.223.121, 445, 49730 COLTCOLTTechnologyServicesGroupLimitedGB United Kingdom 11->53 55 62.23.223.6, 445, 50066, 50067 COLTCOLTTechnologyServicesGroupLimitedGB United Kingdom 11->55 57 98 other IPs or domains 11->57 77 Connects to many different private IPs via SMB (likely to spread or exploit) 11->77 79 Connects to many different private IPs (likely to spread or exploit) 11->79 28 WerFault.exe 2 17->28         started        30 WerFault.exe 2 17->30         started        signatures5 process6 signatures7 32 mssecsvc.exe 1 19->32         started        69 Drops executables to the windows directory (C:\Windows) and starts them 21->69 35 mssecsvc.exe 1 21->35         started        38 rundll32.exe 1 24->38         started        process8 file9 49 C:\Windows\tasksche.exe, PE32 32->49 dropped 40 tasksche.exe 32->40         started        51 C:\WINDOWS\qeriuwjhrf (copy), PE32 35->51 dropped 67 Drops executables to the windows directory (C:\Windows) and starts them 35->67 43 tasksche.exe 35->43         started        signatures10 process11 signatures12 71 Antivirus detection for dropped file 40->71 73 Multi AV Scanner detection for dropped file 40->73 75 Machine Learning detection for dropped file 40->75 45 WerFault.exe 21 16 40->45         started        47 WerFault.exe 16 43->47         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2019-03-20 15:18:37 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtow6yfgqsoyxyyvjxrg4scifofq2ts4eibtpa4vietojnh57b2a._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/250114-1h674a1jht/
Behaviour
Modifies data under HKEY_USERS
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 (3274) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
0e0f19ea3f851d5ebf2134ed6dfd9ca50051bb0eb09bcfdfd4e856318fb89cf2
MD5 hash:
72f53f9be5e49e89caed84a61110bf04
SHA1 hash:
bf1f973f83846be39d71fa969063ee1277c10636
Detections:
Win32_Ransomware_WannaCry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
Link:
https://www.unpac.me/results/e3ee00b6-a488-4529-84e3-9f1e937bcc9f/
Parent samples :
b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874
6a4d371a7e82215799f79944204cf1ae4586a5a1cb6bdd5f6fb55e811e2154f2
SH256 hash:
b886a4f00a1d0a782334bac08a19dc24cf2cc4015191612ddd85b42b53fbe688
MD5 hash:
36a6816280fa05ccf0410403b43f7091
SHA1 hash:
cae9c542a2f5ba923c0025d943a11b389df6ef82
Detections:
Win32_Ransomware_WannaCry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
WannaCry_Ransomware_Gen
Create hunting rule
Link:
https://www.unpac.me/results/e3ee00b6-a488-4529-84e3-9f1e937bcc9f/
Parent samples :
b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874
6a4d371a7e82215799f79944204cf1ae4586a5a1cb6bdd5f6fb55e811e2154f2
SH256 hash:
b4dd6f60a6849d8be3154de26e48482b8b0d4e5c22033783954126e4b4fdf874
MD5 hash:
250ae430b49bdd1562898d702c452af3
SHA1 hash:
174f8cdb720423b02b6ccf5b31c98298f03b691d
Link:
https://www.unpac.me/results/e3ee00b6-a488-4529-84e3-9f1e937bcc9f/
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: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: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.

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments