MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621. 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 4 File information Comments

SHA256 hash: 2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621
SHA3-384 hash: 546d53df7a18a56d0fd5dad2318a4059f9812de76ee4cad515bf899723969f406bc8380bf46fe3f6e97072e9eeb41505
SHA1 hash: 036d4a4c13e47f76534487f1e1abc8e2edcbe942
MD5 hash: b2115b4138ea487dd35e228c0061d67b
humanhash: september-december-zebra-summer
File name:b2115b4138ea487dd35e228c0061d67b
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-20 02:13:57 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'033 x WannaCry, 6 x Worm.Virut, 2 x Expiro)
ssdeep 24576:sbLgdeQhfdmMSirYbcMNgef0QeQ4kRiwDnz9cEA5yYj9XEk:snjQqMSPbcBVQeRkRiwtm
Threatray 156 similar samples on MalwareBazaar
TLSH T1BB361B2199C8E7C0D713A1B7477E06785A514094B3057B92B3B1AFE3E66B08F4EB12DE
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed

Intelligence


File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Wannacry
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
Query firmware table information (likely to detect VMs)
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669503 Sample: ad75CUICkr Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 3 other signatures 2->66 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 11 other processes 2->17 process3 dnsIp4 19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        24 rundll32.exe 1 9->24         started        52 192.168.2.120 unknown unknown 11->52 54 192.168.2.121 unknown unknown 11->54 56 98 other IPs or domains 11->56 84 Connects to many different private IPs via SMB (likely to spread or exploit) 11->84 86 Connects to many different private IPs (likely to spread or exploit) 11->86 88 Changes security center settings (notifications, updates, antivirus, firewall) 15->88 27 MpCmdRun.exe 1 15->27         started        90 Query firmware table information (likely to detect VMs) 17->90 signatures5 process6 file7 29 rundll32.exe 19->29         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 31 mssecsvc.exe 1 21->31         started        48 C:\Windows\mssecsvc.exe, PE32 24->48 dropped 35 conhost.exe 27->35         started        signatures8 process9 file10 37 mssecsvc.exe 1 29->37         started        50 C:\WINDOWS\qeriuwjhrf (copy), PE32 31->50 dropped 58 Drops executables to the windows directory (C:\Windows) and starts them 31->58 41 tasksche.exe 31->41         started        signatures11 process12 file13 46 C:\Windows\tasksche.exe, PE32 37->46 dropped 70 Antivirus detection for dropped file 37->70 72 Multi AV Scanner detection for dropped file 37->72 74 Machine Learning detection for dropped file 37->74 43 tasksche.exe 37->43         started        signatures14 process15 signatures16 76 Detected Wannacry Ransomware 43->76 78 Antivirus detection for dropped file 43->78 80 Multi AV Scanner detection for dropped file 43->80 82 Machine Learning detection for dropped file 43->82
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2017-12-20 22:15:06 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
27 of 29 (93.10%)
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
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1256) amount of remote hosts
Executes dropped EXE
Contacts a large (3241) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621
MD5 hash:
b2115b4138ea487dd35e228c0061d67b
SHA1 hash:
036d4a4c13e47f76534487f1e1abc8e2edcbe942
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:WannaCry_Ransomware
Author:Florian Roth (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.

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