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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77d5f73fac458463f937e51c25e24f7debe51fde274af689a322955cd5ca519a. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77d5f73fac458463f937e51c25e24f7debe51fde274af689a322955cd5ca519a
SHA3-384 hash: 99d6f192ecabfe0afb6692f22c7bcdf112849418bfc42274266a7cbbceedb160d4af6f8687bdf602daea405dfe666668
SHA1 hash: b85e778ccd3ce4248633c5954abefdd8816b5ac0
MD5 hash: da5eee93accd46fe8755b93a19ada407
humanhash: indigo-seven-texas-nineteen
File name:da5eee93accd46fe8755b93a19ada407
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-12-26 11:18:52 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:RnsEMSPbcBVQejUINRx+TSqTdX1HkQo6SAARdhnv:1fPoBhIaRxcSUDk36SAEdhv
Threatray 1'028 similar samples on MalwareBazaar
TLSH T1303633E971BC92FCD10529B444AB8E63B3B27C6E21FE6E0F9B4049651D03B55FB90A43
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) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter ukycircle
Tags:dll WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
JP JP
Vendor Threat Intelligence
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe CVE-2017-0147 eternalblue exploit greyware overlay packed packed ransomware shell32.dll virus virut wanna wannacry wannacryptor wcry worm
Link:
https://www.filescan.io/uploads/63a983282b1f5b0e511a254d/reports/9aa38ffa-cc97-4818-9b02-503dc1e92cf7/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48856860-f793-40ef-b338-68ca75830428
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1141093
Signature
Antivirus / Scanner detection for submitted sample
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
Snort IDS alert for network traffic
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 773823 Sample: lJt3mQqCQl.dll Startdate: 26/12/2022 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 6 other signatures 2->58 7 loaddll32.exe 1 2->7         started        9 mssecsvr.exe 2->9         started        process3 dnsIp4 13 rundll32.exe 7->13         started        16 rundll32.exe 7->16         started        18 cmd.exe 1 7->18         started        20 conhost.exe 7->20         started        46 156.102.25.36, 445 XNSTGCA United States 9->46 48 206.252.166.17, 445 WINDSTREAMUS United States 9->48 50 101 other IPs or domains 9->50 60 Connects to many different private IPs via SMB (likely to spread or exploit) 9->60 62 Connects to many different private IPs (likely to spread or exploit) 9->62 signatures5 process6 signatures7 64 Drops executables to the windows directory (C:\Windows) and starts them 13->64 22 mssecsvr.exe 7 13->22         started        26 mssecsvr.exe 7 16->26         started        28 rundll32.exe 1 18->28         started        process8 dnsIp9 34 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 22->34 36 ww38.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 22->36 38 701602.parkingcrew.net 22->38 30 C:\WINDOWS\qeriuwjhrf (copy), PE32 22->30 dropped 40 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 26->40 42 ww38.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 26->42 44 701602.parkingcrew.net 26->44 32 C:\Windows\tasksche.exe, PE32 26->32 dropped file10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77d5f73fac458463f937e51c25e24f7debe51fde274af689a322955cd5ca519a/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-03-27 09:05:10 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
37 of 41 (90.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7k7op5miwcgh6jx4uoclysppxv6kh66e5fpncndekkvzvokkgna._file
Verdict:
malicious
Similar samples:
016b40a769d4d34da8cdf3bf08a166c3243b659c31c152d3c0899993a7aa8f07
WannaCry
0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
WannaCry
0f1516a8c0600c59defcf96c87c27de6a81e732ecb2f64b5e48904c31ab2cbb2
WannaCry
3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266
WannaCry
499e277bcb0c1712223fe211751a00e56a9ab6580e96e27128877615aca811cb
WannaCry
540749acd2da3530292fed430ee05bd8752bd4f40499b987da31a24e67959352
WannaCry
8b51945ada866301cd583744f4363bbeac1b7ec84ee78c0135824a2dc57f7244
WannaCry
9782298315b127534cfb24720e76e4cc946f71a72126da11f9bcb738b94d6b49
WannaCry
b10225bfe75854f01b5f9aea098c2fde6f5fdc543f2a81aadafe389ae9a1dc94
WannaCry
f2cf2c68920d3812d76104aa8388cfa07934c53a39e8f48e098a282ddccbfbcf
WannaCry
+ 1'018 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry ransomware worm
Link:
https://tria.ge/reports/221226-nevcxaga3x/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Executes dropped EXE
Wannacry
Unpacked files
SH256 hash:
77d5f73fac458463f937e51c25e24f7debe51fde274af689a322955cd5ca519a
MD5 hash:
da5eee93accd46fe8755b93a19ada407
SHA1 hash:
b85e778ccd3ce4248633c5954abefdd8816b5ac0
Link:
https://www.unpac.me/results/63b3962c-412d-4424-9f7b-2574490f9869/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77d5f73fac45/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/77d5f73fac458463f937e51c25e24f7debe51fde274af689a322955cd5ca519a

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:WannaCry_Ransomware
Create hunting rule
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.

Comments