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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d543c8a8334519f013bb236d43d0561088b52b0d5602ea9b58fc453f2c4156. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5d543c8a8334519f013bb236d43d0561088b52b0d5602ea9b58fc453f2c4156
SHA3-384 hash: 40f60d9a10b3016292318fd361ef7611fab358bdca3f44ac875e75521718b9c7220fd321bb538f6f85301a1f49ff42ea
SHA1 hash: 7ee6e1082c30108ae631c6193878195c1abe7112
MD5 hash: 98df58e71b5202e49ba6f9e6e43ef6ef
humanhash: connecticut-stairway-quebec-low
File name:98df58e71b5202e49ba6f9e6e43ef6ef
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-12-22 09:02:17 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'125 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:RnpENbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:1p+oBhz1aRxcSUDk36SAEdhv
Threatray 1'019 similar samples on MalwareBazaar
TLSH T15136236530A8C0B4C107157444ABCA62F6B67C3A17FA694FBF904E7E3E63B56E710B42
TrID 32.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.7% (.SCR) Windows screen saver (13097/50/3)
11.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter ukycircle
Tags:dll WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
JP JP
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/348991/
Detection(s):
Win.Dropper.DarkKomet-9370806-0
Create hunting rule

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

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

Win.Malware.Rasftuby-6789024-0
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.Exploit.Doublepulsar-7427328-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-0147 darkkomet eternalblue exploit greyware overlay packed packed ransomware shell32.dll virus virut wanna wannacry wannacryptor wcry worm
Link:
https://www.filescan.io/uploads/63a41d47ee317220a5471c7e/reports/dc72b4aa-5104-409f-bb78-2414e16c910c/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24cee7b6-e4e9-4675-a596-163c770c8448
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1139255
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 771981 Sample: xIwkOnjSIa.dll Startdate: 22/12/2022 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 8 other signatures 2->87 9 loaddll32.exe 1 2->9         started        11 mssecsvr.exe 15 2->11         started        15 svchost.exe 2->15         started        17 8 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        27 conhost.exe 9->27         started        71 ww25.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 11->71 73 72.33.18.64, 445 WISC-MADISON-ASUS United States 11->73 75 101 other IPs or domains 11->75 99 Connects to many different private IPs via SMB (likely to spread or exploit) 11->99 101 Connects to many different private IPs (likely to spread or exploit) 11->101 103 Changes security center settings (notifications, updates, antivirus, firewall) 15->103 29 MpCmdRun.exe 15->29         started        105 Query firmware table information (likely to detect VMs) 17->105 signatures5 process6 file7 31 rundll32.exe 19->31         started        91 Drops executables to the windows directory (C:\Windows) and starts them 21->91 33 mssecsvr.exe 7 21->33         started        53 C:\Windows\mssecsvr.exe, PE32 24->53 dropped 38 conhost.exe 29->38         started        signatures8 process9 dnsIp10 40 mssecsvr.exe 7 31->40         started        59 ww38.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 33->59 61 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 33->61 63 701602.parkingcrew.net 33->63 51 C:\WINDOWS\qeriuwjhrf (copy), PE32 33->51 dropped 89 Drops executables to the windows directory (C:\Windows) and starts them 33->89 45 tasksche.exe 15 33->45         started        file11 signatures12 process13 dnsIp14 65 ww38.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 40->65 67 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 40->67 69 701602.parkingcrew.net 40->69 55 C:\Windows\tasksche.exe, PE32 40->55 dropped 93 Antivirus detection for dropped file 40->93 95 Multi AV Scanner detection for dropped file 40->95 97 Machine Learning detection for dropped file 40->97 47 tasksche.exe 5 20 40->47         started        file15 signatures16 process17 file18 57 C:\Windows\eee.exe, PE32 47->57 dropped 77 Antivirus detection for dropped file 47->77 79 Multi AV Scanner detection for dropped file 47->79 signatures19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5d543c8a8334519f013bb236d43d0561088b52b0d5602ea9b58fc453f2c4156/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-02-13 10:20:06 UTC
File Type:
PE (Dll)
Extracted files:
15
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxkuhsfigncrt4atxmrw2q6qkyiirnjlbvlaf2u3ld6ekpzmifla._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
+ 1'009 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/221222-kz15eaeb82/
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
Executes dropped EXE
Wannacry
Unpacked files
SH256 hash:
b5d543c8a8334519f013bb236d43d0561088b52b0d5602ea9b58fc453f2c4156
MD5 hash:
98df58e71b5202e49ba6f9e6e43ef6ef
SHA1 hash:
7ee6e1082c30108ae631c6193878195c1abe7112
Link:
https://www.unpac.me/results/2cc65f44-2cea-4278-be7a-e5ffa068162b/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5d543c8a833/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b5d543c8a8334519f013bb236d43d0561088b52b0d5602ea9b58fc453f2c4156

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: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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Cape
Cape
https://www.capesandbox.com/analysis/348991/

Comments