MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a52b3add7580749d5c6fac089238e11939a8926ae5f9482a61a25ad7182a21f. 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: 9a52b3add7580749d5c6fac089238e11939a8926ae5f9482a61a25ad7182a21f
SHA3-384 hash: 5adeb023d004799c57c322f903ceb730a87166e35b65ae4be5e3aadb8c8ffc716d00dd429679e4eaf3119b154e50dd40
SHA1 hash: 76e70ffb7c6baae9e00bc57fd867e9b78ffb550e
MD5 hash: 78e030ff60df2138dd2c2a55eea33147
humanhash: blossom-burger-failed-lion
File name:78e030ff60df2138dd2c2a55eea33147
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 05:50:51 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (874 x WannaCry, 4 x Worm.Virut)
ssdeep 49152:nnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:nDqPoBhz1aRxcSUDk36SA
Threatray 13'190 similar samples on MalwareBazaar
TLSH T1BA36F601D2E51AA0DAF25FF7267ADB10833A6E45895BA66E1221500F0C77F1CDDE6F2C
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 :
225
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292635/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Packed.Ulpm-9799291-0
Create hunting rule

Win.Ransomware.Wannacryptor-9940180-0
Create hunting rule

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

Win.Malware.Djwy-6777153-0
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.Malware.Djwy-6923377-0
Create hunting rule

Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
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/62d797ea7b83f958a96918c6/reports/262eb4f2-909c-4e2e-93f3-ed11dcbd8363/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/0dc996b4-a19b-48ff-96d8-d5b3731b1bc7
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037157
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes memory attributes in foreign processes to executable or writable
Contains functionality to detect sleep reduction / modifications
Creates a thread in another existing process (thread injection)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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
Tries to evade debugger and weak emulator (self modifying code)
Tries to resolve many domain names, but no domain seems valid
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669652 Sample: tct5NKwZY8 Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 75 Tries to download HTTP data from a sinkholed server 2->75 77 Snort IDS alert for network traffic 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 7 other signatures 2->81 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 2->12         started        15 svchost.exe 9 1 2->15         started        18 3 other processes 2->18 process3 dnsIp4 20 cmd.exe 1 10->20         started        22 rundll32.exe 10->22         started        25 rundll32.exe 1 10->25         started        101 Maps a DLL or memory area into another process 12->101 28 svchost.exe 12->28 injected 30 svchost.exe 12->30 injected 32 svchost.exe 12->32 injected 71 127.0.0.1 unknown unknown 15->71 73 192.168.2.1 unknown unknown 18->73 signatures5 process6 file7 34 rundll32.exe 20->34         started        83 Drops executables to the windows directory (C:\Windows) and starts them 22->83 36 mssecsvc.exe 7 22->36         started        65 C:\Windows\mssecsvc.exe, PE32 25->65 dropped signatures8 process9 dnsIp10 41 mssecsvc.exe 7 34->41         started        67 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 104.16.173.80, 49768, 49921, 80 CLOUDFLARENETUS United States 36->67 63 C:\Windows\tasksche.exe, PE32 36->63 dropped 85 Drops executables to the windows directory (C:\Windows) and starts them 36->85 45 tasksche.exe 36->45         started        file11 87 Tries to resolve many domain names, but no domain seems valid 67->87 signatures12 process13 dnsIp14 69 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 41->69 89 Antivirus detection for dropped file 41->89 91 Multi AV Scanner detection for dropped file 41->91 93 Machine Learning detection for dropped file 41->93 99 5 other signatures 41->99 47 svchost.exe 41->47 injected 49 winlogon.exe 41->49 injected 51 lsass.exe 41->51 injected 53 13 other processes 41->53 95 Detected Wannacry Ransomware 45->95 signatures15 97 Tries to resolve many domain names, but no domain seems valid 69->97 process16 process17 55 BackgroundTransferHost.exe 49 47->55         started        57 backgroundTaskHost.exe 131 107 47->57         started        59 BackgroundTransferHost.exe 47->59         started        61 BackgroundTransferHost.exe 47->61         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a52b3add7580749d5c6fac089238e11939a8926ae5f9482a61a25ad7182a21f/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2022-03-11 08:07:43 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tjjlhloxladutvog7laisi4ocgjzvcjgvzpzjavgdis224mcuipq._file
Verdict:
malicious
Similar samples:
2a5fcd571c34b11c0c630c8cf1f50a91a136e931e0057f7f8e3ca36ecd73d993
WannaCry
6448d228f342fb138a747f8fa317b004553f36f83fdd1b200baf80b7b9d9f5da
WannaCry
69d11b63913d84025f1469123b83bb21066a274f2240f87e119f49362abbc9ca
WannaCry
7a77b4131e76bdbb8c8b4da304691aa87a61ba0ee79ff213c9eec6e1ee22e957
WannaCry
8167a2eb7ddb581480903b49be8644972c638a83d878df59a34bc0dff0338170
WannaCry
83d1b64a9bca34640ec3722e9ef0dcb18669ec1b5a866f4e7517e760005b7d73
WannaCry
84382639746a15b8d22e688cc3dd7a30f6fda64f18580348b14c23aa34c8a6cd
WannaCry
a60b47e8c834aa97ddda9bd70dd41d8dc61649fd878ea913bc242ae79fe8cc77
WannaCry
b8e40ed3d1f01fd75f0f43d4784d92aaa9596f289f23c35969af1a4c1e149c30
WannaCry
fd9bb6bf944bfc60dee7e7c762615be99ce4bd822df2af5df8ec0bf8cab2d805
WannaCry
+ 13'180 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery evasion ransomware worm
Link:
https://tria.ge/reports/220720-gj6heacdd3/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1000) amount of remote hosts
Executes dropped EXE
Contacts a large (2945) amount of remote hosts
Modifies firewall policy service
Wannacry
Unpacked files
SH256 hash:
9a52b3add7580749d5c6fac089238e11939a8926ae5f9482a61a25ad7182a21f
MD5 hash:
78e030ff60df2138dd2c2a55eea33147
SHA1 hash:
76e70ffb7c6baae9e00bc57fd867e9b78ffb550e
Link:
https://www.unpac.me/results/7f59c520-76ab-4e78-9d6c-322fe44aaa90/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a52b3add758/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/9a52b3add7580749d5c6fac089238e11939a8926ae5f9482a61a25ad7182a21f

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/292635/

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