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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c1d22bd6ff6abd10f01e97c39cd6455c1abf72e45760050ff1bb5f554f7c5b4. 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 7 File information Comments

SHA256 hash: 8c1d22bd6ff6abd10f01e97c39cd6455c1abf72e45760050ff1bb5f554f7c5b4
SHA3-384 hash: 82c1c59e91aaf1a3e10e02982eaa6f9df356c8562012c1471346ab6fa3d21e3c3838ba8cdcefa1c9454aeca9dc011f68
SHA1 hash: 65d63b04ed6376a13dea83eb7937a8d6ec95e278
MD5 hash: bc82dd960fce92fc4b513e882dc1c873
humanhash: victor-hot-spaghetti-lamp
File name:bc82dd960fce92fc4b513e882dc1c873
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2025-01-15 01:56:30 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 49152:znAQqMSPbcBVnRdhnvxJM0H9PAMEcaEau3R8yAH1plAH:TDqPoBHdhvxWa9P593R8yAVp2H
Threatray 1'093 similar samples on MalwareBazaar
TLSH T18A363390671C61BCF0A90AB45433492DB7777D29A73A872F97C0C7660C53B93AEE4B05
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 :
514
Origin country :
CA CA
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto lolbin microsoft_visual_cc overlay overlay ransomware smb threat wanna wannacry wannacrypt wannacryptor
Result
Threat name:
Wannacry
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
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)
Detected Wannacry Ransomware
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
Suricata IDS alerts for network traffic
Tries to download HTTP data from a sinkholed server
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1591533 Sample: wmnq39xe8J.dll Startdate: 15/01/2025 Architecture: WINDOWS Score: 100 47 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 2->47 49 edge.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 2->49 51 bg.microsoft.map.fastly.net 2->51 67 Tries to download HTTP data from a sinkholed server 2->67 69 Suricata IDS alerts for network traffic 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 6 other signatures 2->73 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 2->12         started        signatures3 process4 dnsIp5 16 cmd.exe 1 10->16         started        18 rundll32.exe 10->18         started        21 rundll32.exe 1 10->21         started        24 conhost.exe 10->24         started        53 192.168.2.102 unknown unknown 12->53 55 192.168.2.103 unknown unknown 12->55 57 98 other IPs or domains 12->57 83 Connects to many different private IPs via SMB (likely to spread or exploit) 12->83 85 Connects to many different private IPs (likely to spread or exploit) 12->85 signatures6 process7 file8 26 rundll32.exe 16->26         started        65 Drops executables to the windows directory (C:\Windows) and starts them 18->65 28 mssecsvc.exe 7 18->28         started        43 C:\Windows\mssecsvc.exe, PE32 21->43 dropped signatures9 process10 file11 32 mssecsvc.exe 7 26->32         started        45 C:\WINDOWS\qeriuwjhrf (copy), PE32 28->45 dropped 87 Drops executables to the windows directory (C:\Windows) and starts them 28->87 36 tasksche.exe 28->36         started        signatures12 process13 file14 41 C:\Windows\tasksche.exe, PE32 32->41 dropped 59 Antivirus detection for dropped file 32->59 61 Multi AV Scanner detection for dropped file 32->61 63 Machine Learning detection for dropped file 32->63 38 tasksche.exe 32->38         started        signatures15 process16 signatures17 75 Detected Wannacry Ransomware 38->75 77 Antivirus detection for dropped file 38->77 79 Multi AV Scanner detection for dropped file 38->79 81 Machine Learning detection for dropped file 38->81
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2017-08-20 03:06:56 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
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 (3174) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
e0ebdb3dbab566372f899522403d22f558c104d51b642c162b40a55def69d791
MD5 hash:
ce950ea6e27d1637ef799eda580c8073
SHA1 hash:
d6983da32dd48e2ff74141082363113ede43de22
Detections:
WannaCry Win32_Ransomware_WannaCry ransomware_windows_wannacry WannaCry_Ransomware
SH256 hash:
4f5a1ca181ca6abbf43a2aefa3e6042c37a3eeb694cf72a0df57c6c853bc1403
MD5 hash:
e676bb073144d631575f56df2fae4ce8
SHA1 hash:
71fba6152fdc15d3abef68a5037f45e65c6308b7
Detections:
WannaCry Win32_Ransomware_WannaCry ransomware_windows_wannacry WannaCry_Ransomware WannaCry_Ransomware_Gen
SH256 hash:
8c1d22bd6ff6abd10f01e97c39cd6455c1abf72e45760050ff1bb5f554f7c5b4
MD5 hash:
bc82dd960fce92fc4b513e882dc1c873
SHA1 hash:
65d63b04ed6376a13dea83eb7937a8d6ec95e278
Detections:
WannaCry
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
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:SUSP_Imphash_Mar23_2
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:WannaCry_Ransomware
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