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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf
SHA3-384 hash: e257fb1f4f6c576c4ad90f52af95e65f80171a07db23f61d437d971a99b0e14cd3f406319c45bdb81581872b4cee85f8
SHA1 hash: 0f893f6fea8f62a2092c292bacf1e1552332b780
MD5 hash: 49e38bc384b99902d6dca4754c63edee
humanhash: six-golf-white-eight
File name:49e38bc384b99902d6dca4754c63edee
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2025-01-14 19:57:56 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 12288:T1bLgmluCtgQbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D85SQeuB8:RbLgurgDdmMSirYbcMNgef0Xk+8
TLSH T1C3369E15A6E82B64E7F35FB2217B8710077A7E45885B925E1660A04F0C33F5CDEB2F29
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 :
1
# of downloads :
233
Origin country :
CA CA
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Agent-6515213-0
Create hunting rule

Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
Create hunting rule

Win.Ransomware.WannaCry-10011460-0
Create hunting rule

Win.Malware.Djwy-6777153-0
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
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:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6786c1d94487910100df061b
Tags:
ransomware shellcode virus madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto crypto dllhost evasive explorer lolbin microsoft_visual_cc overlay ransomware runonce smb threat wanna wannacry wannacrypt wannacryptor
Link:
https://www.filescan.io/uploads/6786c1d6f6ef415507db7a08/reports/283573e9-9eb6-4d0f-85a7-ee976b54dad7/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5f22432d-0998-48bf-9012-fde9d3f8f56e
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941482
Signature
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Call by Ordinal
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 573960 Sample: 6ygjHXjP4o Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 6 other signatures 2->59 8 loaddll32.exe 1 2->8         started        10 mssecsvr.exe 2->10         started        14 svchost.exe 9 1 2->14         started        16 4 other processes 2->16 process3 dnsIp4 18 cmd.exe 1 8->18         started        20 rundll32.exe 8->20         started        23 rundll32.exe 1 8->23         started        45 192.168.2.120 unknown unknown 10->45 47 192.168.2.121 unknown unknown 10->47 49 98 other IPs or domains 10->49 69 Connects to many different private IPs via SMB (likely to spread or exploit) 10->69 71 Connects to many different private IPs (likely to spread or exploit) 10->71 signatures5 process6 file7 26 rundll32.exe 18->26         started        67 Drops executables to the windows directory (C:\Windows) and starts them 20->67 28 mssecsvr.exe 7 20->28         started        39 C:\Windows\mssecsvr.exe, PE32 23->39 dropped signatures8 process9 dnsIp10 32 mssecsvr.exe 7 26->32         started        51 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 28->51 41 C:\WINDOWS\qeriuwjhrf (copy), PE32 28->41 dropped file11 process12 dnsIp13 43 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 154.90.71.234, 49756, 49757, 49772 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 32->43 37 C:\Windows\tasksche.exe, PE32 32->37 dropped 61 Antivirus detection for dropped file 32->61 63 Multi AV Scanner detection for dropped file 32->63 65 Machine Learning detection for dropped file 32->65 file14 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-03-12 08:15:30 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=wdcaztrnf7ikzpbhyi3hv2hbje7hu3kfceks7m4hkmvmxjtqc7hq._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/250114-yptjgaxqb1/
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 (3297) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
8822399524a309857f9ef3c94401fd35afec987e94e96f01b855aac6a3fefb90
MD5 hash:
6dd3482c21168ccf90a610ed4daa8012
SHA1 hash:
a74c571e4d3cf97af07fa5b5ec580c417ba925d6
Detections:
WannaCry
Create hunting rule
ransomware_windows_wannacry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
Link:
https://www.unpac.me/results/3aa8ca3a-3e75-474e-8356-bc0c26d0d751/
Parent samples :
b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf
2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20
6f84d2b8719b64bc655d9f8b94b9c72500f3bd088838c223b4678d690cec2a49
SH256 hash:
39a866a5f9d71a92fbed1a9176f7b30f58c61ff20e750eeea9425166d3896dc3
MD5 hash:
7908b937f93c8c5c52e8b05f316bf0d9
SHA1 hash:
eb23e114461e502453e8be64729ba1b7015866c4
Detections:
WannaCry
Create hunting rule
potential_termserv_dll_replacement
Create hunting rule
ransomware_windows_wannacry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
WannaCry_Ransomware_Gen
Create hunting rule
Link:
https://www.unpac.me/results/3aa8ca3a-3e75-474e-8356-bc0c26d0d751/
SH256 hash:
b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf
MD5 hash:
49e38bc384b99902d6dca4754c63edee
SHA1 hash:
0f893f6fea8f62a2092c292bacf1e1552332b780
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/3aa8ca3a-3e75-474e-8356-bc0c26d0d751/
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/b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf

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.

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