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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ce398fce3e08622711cb74eb06650dc6ef1d4df3bd928261cc4e5b627b7c7fe. 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: 1ce398fce3e08622711cb74eb06650dc6ef1d4df3bd928261cc4e5b627b7c7fe
SHA3-384 hash: 3f96063bc241cd1a8defd14e8cd5ec7cef6beb897c9f39f775d2baab06a8df629fe94a433a61819f32e1ec0e1a83dd3d
SHA1 hash: d0aac992276be7ec15af54481ce127bf5e05958f
MD5 hash: 4f57b58c0c42d0dfbf27b46b02637434
humanhash: eighteen-solar-leopard-carpet
File name:4f57b58c0c42d0dfbf27b46b02637434
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 01:44:59 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 98304:bDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R:bDqPe1Cxcxk3ZAEUadzR
Threatray 64 similar samples on MalwareBazaar
TLSH T1273633A4B23CD2BCE1051DB44473C92AA7773C6566FE5E1F8B9085660D03B5FBBD0A42
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 :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292202/
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:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay packed packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d75e650e298a94f3e0c137/reports/705fa14f-6fae-4a64-bfaf-5f08f26b4397/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b07adcef-a807-4307-aa40-e4ddcc2d763d
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038237
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Connects to many IPs within the same subnet mask (likely port scanning)
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
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670733 Sample: 2R1gsZ9Ob1 Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 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 7 other signatures 2->66 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 9 1 2->15         started        17 6 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 82 Connects to many different private IPs via SMB (likely to spread or exploit) 11->82 84 Connects to many different private IPs (likely to spread or exploit) 11->84 signatures5 process6 file7 27 rundll32.exe 19->27         started        72 Drops executables to the windows directory (C:\Windows) and starts them 21->72 29 mssecsvc.exe 7 21->29         started        46 C:\Windows\mssecsvc.exe, PE32 24->46 dropped signatures8 process9 dnsIp10 34 mssecsvc.exe 7 27->34         started        58 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 29->58 48 C:\WINDOWS\qeriuwjhrf (copy), PE32 29->48 dropped 86 Drops executables to the windows directory (C:\Windows) and starts them 29->86 39 tasksche.exe 29->39         started        file11 signatures12 process13 dnsIp14 50 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.17.244.81, 49757, 49762, 80 CLOUDFLARENETUS United States 34->50 44 C:\Windows\tasksche.exe, PE32 34->44 dropped 68 Antivirus detection for dropped file 34->68 70 Machine Learning detection for dropped file 34->70 41 tasksche.exe 34->41         started        file15 signatures16 process17 signatures18 74 Detected Wannacry Ransomware 41->74 76 Antivirus detection for dropped file 41->76 78 Multi AV Scanner detection for dropped file 41->78 80 Machine Learning detection for dropped file 41->80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ce398fce3e08622711cb74eb06650dc6ef1d4df3bd928261cc4e5b627b7c7fe/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-07-28 13:10:00 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dtrzr7hd4cdce4i4w5hlazsq3rxpdvg7hpmsqjq4yts3mj5xy77a._file
Verdict:
malicious
Similar samples:
36dc0aae52946e3f9530c53925301bb8dbfa8216291705d99ef913d55f6ec1c9
WannaCry
4ffce411f462670df9a7d95579bbf1fab89df79e1548bfc21f974ee1721b0432
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
6448d228f342fb138a747f8fa317b004553f36f83fdd1b200baf80b7b9d9f5da
WannaCry
75cb9bdda5938f729989ffcc4359c9696c23ff2fd31f0ac46aafd3c62f8b14d1
WannaCry
773186144282a63cc3502ad10a3d8fd781a6c83eaabf06de4369b4ef96d93178
WannaCry
84ac0e73d6980f73c61d410013af7fd3615ab730df2168b48a3323ae98c173d3
WannaCry
9225232799b946c0b18e7270bb29a265e1985d6192c04114cec51fa7b34f11ff
WannaCry
c8db12d4e1b926b79ef7857e91b34e909b8024c3eaaab8580e4e1d157eaa726f
WannaCry
d6cb63f23b784915ebd8ac1b195c46251fa1241b324beb99a61d7c4ba27ea99b
WannaCry
+ 54 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/220720-b6eqbaagdm/
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 (1203) amount of remote hosts
Executes dropped EXE
Contacts a large (3141) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
1ce398fce3e08622711cb74eb06650dc6ef1d4df3bd928261cc4e5b627b7c7fe
MD5 hash:
4f57b58c0c42d0dfbf27b46b02637434
SHA1 hash:
d0aac992276be7ec15af54481ce127bf5e05958f
Link:
https://www.unpac.me/results/e095f455-85b6-49da-8a50-19041ef9fe24/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ce398fce3e0/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/1ce398fce3e08622711cb74eb06650dc6ef1d4df3bd928261cc4e5b627b7c7fe

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/292202/

Comments