MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c99bd2354d8922cd7cce1ae7660ddbb05bc008aa8279ba666cd90325a3a3bc0. 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: 5c99bd2354d8922cd7cce1ae7660ddbb05bc008aa8279ba666cd90325a3a3bc0
SHA3-384 hash: 0a0bc25c9a10f8648760e3650f60c500328dca092fce31af14fefce324ba0aa4e9cf04a8fb9fb49849f3ebed7b17cdf7
SHA1 hash: 99669b70f7aa1fb82abba38c1785512aa0048049
MD5 hash: 44cb07cad6cb86b1644045ce8bbce418
humanhash: jersey-ceiling-maine-montana
File name:44cb07cad6cb86b1644045ce8bbce418
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2022-07-20 05:45:26 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (874 x WannaCry, 4 x Worm.Virut)
ssdeep 12288:pvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D/z:JbLgddQhfdmMSirYbcMNgef0y
Threatray 13'194 similar samples on MalwareBazaar
TLSH T15F362356366C81FCC11A5234A0634936EAB77C6A22BD970F8B94CB560D13750BFB8F47
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 :
220
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, Virut
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2019-06-21 07:35:34 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery evasion ransomware worm
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1263) amount of remote hosts
Executes dropped EXE
Contacts a large (3111) amount of remote hosts
Modifies firewall policy service
Wannacry
Unpacked files
SH256 hash:
5c99bd2354d8922cd7cce1ae7660ddbb05bc008aa8279ba666cd90325a3a3bc0
MD5 hash:
44cb07cad6cb86b1644045ce8bbce418
SHA1 hash:
99669b70f7aa1fb82abba38c1785512aa0048049
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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