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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a370108def4796a2ed8ebb4883cccf81b7546e963f126ffe20f22cb66545a61. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a370108def4796a2ed8ebb4883cccf81b7546e963f126ffe20f22cb66545a61
SHA3-384 hash: 6c79714d57c7491a14cfe3e7c5329b688b7bbacd7ecaf03108424619d18ab6540434466ede5a2902ca3ca476a0363d12
SHA1 hash: d8fbad3e3bf24ce1110ee8c497248970bec464a6
MD5 hash: 6db98df4dfa148d600225d37e73655c6
humanhash: eleven-cold-mike-august
File name:6db98df4dfa148d600225d37e73655c6
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 03:24:57 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:+8qPoBhz1aRxcSUDk36SAjQxWa9P593R8yAVp2H:+8qPe1Cxcxk3ZA/adzR8yc4H
Threatray 229 similar samples on MalwareBazaar
TLSH T15E362314A2E86768E2B21FF211778B14537A3D459AAB961F1790A04F0C33F5DDEE1F28
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 WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292374/
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/62d77614ef2b0e63a8284ba6/reports/68827311-9746-49f6-810b-9498c4d71587/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9a49615-e716-4cb1-8cc1-3d20d5682580
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038089
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
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
Query firmware table information (likely to detect VMs)
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670584 Sample: Su4wzzasnT Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 2 other signatures 2->62 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 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        42 192.168.2.120 unknown unknown 11->42 44 192.168.2.121 unknown unknown 11->44 46 98 other IPs or domains 11->46 74 Connects to many different private IPs via SMB (likely to spread or exploit) 11->74 76 Connects to many different private IPs (likely to spread or exploit) 11->76 78 Query firmware table information (likely to detect VMs) 15->78 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 21->29         started        38 C:\Windows\mssecsvc.exe, PE32 24->38 dropped signatures8 process9 process10 31 mssecsvc.exe 1 27->31         started        file11 40 C:\Windows\tasksche.exe, PE32 31->40 dropped 48 Antivirus detection for dropped file 31->48 50 Multi AV Scanner detection for dropped file 31->50 52 Machine Learning detection for dropped file 31->52 54 Drops executables to the windows directory (C:\Windows) and starts them 31->54 35 tasksche.exe 31->35         started        signatures12 process13 signatures14 64 Detected Wannacry Ransomware 35->64 66 Antivirus detection for dropped file 35->66 68 Multi AV Scanner detection for dropped file 35->68 70 Machine Learning detection for dropped file 35->70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a370108def4796a2ed8ebb4883cccf81b7546e963f126ffe20f22cb66545a61/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-01-29 09:50:06 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 41 (87.80%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hi3qccg66r4wulwy5o2iqpgm7anxkrxjmpysn77cb4rmwzsuljqq._file
Verdict:
malicious
Similar samples:
136405b165c6eec8be85c59075f98012d8fe5cf802328e47d3228e99f5897170
WannaCry
4e9378241b5fb2cd33ba7562917608e61ee1d3aeed939eb60e005b9b084380ab
WannaCry
59eee303cf6cbf5bc6019b07f3e49714cbcc8f98639b36d55a9e0289de456c91
WannaCry
5e014f792276618ccc7e7401207fb2758097f440ce28aeb70a024b6ed4251aa1
WannaCry
8fcbc80aa6c30b9d4a3a6404eb2d593186c50e85a66aa84408d4b600d29fd021
WannaCry
9fe47b1bddf2c8fa897918f3bea8ead0604e4d25a54c72473414f5943405b792
WannaCry
a414c88ea3abea18940a7cfa966006ec106c8194854dca735791340516a6ddbd
WannaCry
b449d6bc93e72b048050ac5ba066eaec553512b56c1f4873e53fa70660b85d96
WannaCry
f4048bacc029767ce323bdf41326c012bed6be87e9a371a9af116e189692db85
WannaCry
f72611c5668e9ea1177f96b11318d74b446eaba038723226d0b9d02173f00086
WannaCry
+ 219 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-dyl6jabch9/
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 (1276) amount of remote hosts
Executes dropped EXE
Contacts a large (3244) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
3a370108def4796a2ed8ebb4883cccf81b7546e963f126ffe20f22cb66545a61
MD5 hash:
6db98df4dfa148d600225d37e73655c6
SHA1 hash:
d8fbad3e3bf24ce1110ee8c497248970bec464a6
Link:
https://www.unpac.me/results/7266c079-1c8a-43d6-bf52-f3eea8d6a2d5/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a370108def4/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/3a370108def4796a2ed8ebb4883cccf81b7546e963f126ffe20f22cb66545a61

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/292374/

Comments