MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038
SHA3-384 hash: 12cd6c6b25da20f732a2caa3202ecda52947c35f99b7473c4db7a12660d595178d60d0a51ccfb966f70e59a20ac3860a
SHA1 hash: c8253055cfea721a094548665363c268f25b27cb
MD5 hash: 163776387e17b3608a6db423bbe4fc3f
humanhash: bluebird-arkansas-oranges-sierra
File name:163776387e17b3608a6db423bbe4fc3f
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-19 23:32:37 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 98304:+bqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:+bqPe1Cxcxk3ZAEUadzR8yc4H
Threatray 13 similar samples on MalwareBazaar
TLSH T14B363394616CB2FCF0440EB444638A6AB7B33C6967BA5F1F9BC086670D43B5BAFD0641
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 :
197
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292037/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wannacryptor-9940180-0
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
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
cmd.exe CVE-2017-0147 eternalblue exploit greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry wannacryptor wcry worm
Link:
https://www.filescan.io/uploads/62d73f78ee649612ac5c0bc0/reports/60b969d8-62e9-4cee-86b5-f5da34458765/overview
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.
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f91560ad-22cd-408d-ab46-f8b65bcac9e6
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036892
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)
Connects to many IPs within the same subnet mask (likely port scanning)
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
Tries to download HTTP data from a sinkholed server
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 669386 Sample: 8vOIuc44L0 Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 48 time.windows.com 2->48 60 Tries to download HTTP data from a sinkholed server 2->60 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 12 other processes 2->17 signatures3 process4 dnsIp5 19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        24 rundll32.exe 1 9->24         started        52 163.191.65.1, 445, 50649, 50650 ILLINOIS-CENTURYUS United States 11->52 54 163.191.65.2, 445, 50909, 50916 ILLINOIS-CENTURYUS United States 11->54 56 98 other IPs or domains 11->56 76 Connects to many different private IPs via SMB (likely to spread or exploit) 11->76 78 Connects to many different private IPs (likely to spread or exploit) 11->78 80 Changes security center settings (notifications, updates, antivirus, firewall) 15->80 27 MpCmdRun.exe 1 15->27         started        signatures6 process7 file8 29 rundll32.exe 19->29         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 31 mssecsvc.exe 7 21->31         started        46 C:\Windows\mssecsvc.exe, PE32 24->46 dropped 35 conhost.exe 27->35         started        signatures9 process10 dnsIp11 37 mssecsvc.exe 7 29->37         started        58 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 31->58 42 C:\WINDOWS\qeriuwjhrf (copy), PE32 31->42 dropped file12 process13 dnsIp14 50 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.17.244.81, 49758, 49759, 49781 CLOUDFLARENETUS United States 37->50 44 C:\Windows\tasksche.exe, PE32 37->44 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 file15 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2019-03-21 05:10:04 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=coeippn2esg2wn5kvggpfv7qmrc3qamkesu2f77lodnfuhi34a4a._file
Verdict:
malicious
Similar samples:
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
4bf1fbbd994e86b9419d03ba4e930e2367837952ce603cbbed1d71750718c7c4
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
8f86b42241e81b7461ba45fde82505332e4578663fdd20c2723a99863c34ad67
WannaCry
c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a
WannaCry
d6cb63f23b784915ebd8ac1b195c46251fa1241b324beb99a61d7c4ba27ea99b
WannaCry
ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9
WannaCry
f3725409760ef8ef3b1296cbc32a06fb0177cfaedda0825bcbb41146db347061
WannaCry
f609bb63acb1c6d1ee19574550f83bb796af5ece4cab54a70f97534e8b1c478f
WannaCry
+ 3 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/220719-3jtz9shhhp/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Contacts a large (1243) amount of remote hosts
Executes dropped EXE
Contacts a large (2068) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038
MD5 hash:
163776387e17b3608a6db423bbe4fc3f
SHA1 hash:
c8253055cfea721a094548665363c268f25b27cb
Link:
https://www.unpac.me/results/a566c265-786a-4719-a9c5-f04e8ec0ec96/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/138887bdba24/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/138887bdba248dab37aaa98cf2d7f06445b8018a24a9a2ffeb70da5a1d1be038

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.

Cape
Cape
https://www.capesandbox.com/analysis/292037/

Comments