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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ec64083883bc760cd1ae4f84d9b62ca1002833acbe1bbc960f0eddba8bb9ddb. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ec64083883bc760cd1ae4f84d9b62ca1002833acbe1bbc960f0eddba8bb9ddb
SHA3-384 hash: 91d02544d8bf523c2aad055529b11bdad4c2eb5a69a6937b85a65d52b8c54d28d6334bdcd4ea6a3ed9eb3d12e70f9ea0
SHA1 hash: d201d0bfb3c3171049f2c124eb60f90a39311af1
MD5 hash: 34e1e2cfb0216c5450d74bdf5ee48fb1
humanhash: kansas-quebec-whiskey-whiskey
File name:2023-04-27_34e1e2cfb0216c5450d74bdf5ee48fb1_wannacry
Download: download sample
Signature WannaCry
Create hunting rule
File size:3'723'264 bytes
First seen:2023-04-28 20:17:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ecee117164e0b870a53dd187cdd7174 (82 x WannaCry, 1 x Worm.Virut)
ssdeep 98304:Z8qPoBhz1aRxcSUDk36SAH593R8yAVp2:Z8qPe1Cxcxk3ZAHzR8yc4
Threatray 1'029 similar samples on MalwareBazaar
TLSH T1D006E011E2E42B64E6F25FB2227B8710477A7E45C95B925E1660A04F0C73F5CDEE2F28
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter petikvx
Tags:WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-04-27_34e1e2cfb0216c5450d74bdf5ee48fb1_wannacry
Verdict:
No threats detected
Analysis date:
2023-04-28 20:42:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1512f2e7-205a-4415-81f6-da0ba02d828f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/385591/
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-9982112-0
Create hunting rule

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

Win.Ransomware.Wannacry-6803937-0
Create hunting rule

Win.Ransomware.Wannacrypt-6804263-0
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
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
Creating a service
Launching a service
Searching for synchronization primitives
Sending a custom TCP request
Enabling autorun for a service
Forced shutdown of a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/644c2a143d47a64d306b4809/reports/70258347-b1ba-40b8-8f2d-b47a55140c16/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7ec64083883bc760cd1ae4f84d9b62ca1002833acbe1bbc960f0eddba8bb9ddb
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cbf0dc94-960b-4537-8735-b6e6a1c360bf
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1223153
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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)
Uses known network protocols on non-standard ports
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 856103 Sample: CSUEIs2Ro3.exe Startdate: 28/04/2023 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 3 other signatures 2->39 7 CSUEIs2Ro3.exe 1 2->7         started        11 CSUEIs2Ro3.exe 2->11         started        14 svchost.exe 2->14         started        16 15 other processes 2->16 process3 dnsIp4 25 C:\Windows\tasksche.exe, PE32 7->25 dropped 49 Drops executables to the windows directory (C:\Windows) and starts them 7->49 18 tasksche.exe 7->18         started        27 155.0.14.22, 445 ZAMRENZM Zambia 11->27 29 178.22.235.153, 445 WIREITUP-ASNL Netherlands 11->29 31 98 other IPs or domains 11->31 51 Connects to many different private IPs via SMB (likely to spread or exploit) 11->51 53 Connects to many different private IPs (likely to spread or exploit) 11->53 55 Changes security center settings (notifications, updates, antivirus, firewall) 14->55 21 MpCmdRun.exe 1 14->21         started        57 Query firmware table information (likely to detect VMs) 16->57 file5 signatures6 process7 signatures8 41 Detected Wannacry Ransomware 18->41 43 Antivirus detection for dropped file 18->43 45 Multi AV Scanner detection for dropped file 18->45 47 Machine Learning detection for dropped file 18->47 23 conhost.exe 21->23         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7ec64083883bc760cd1ae4f84d9b62ca1002833acbe1bbc960f0eddba8bb9ddb/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2023-04-22 00:56:54 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
36 of 37 (97.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p3deba4ihpdwbti24t4e3g3cziiafaz2zpq3xsla6dw5xkf3txnq._file
Verdict:
malicious
Similar samples:
04ae52d38391cb757af163806a4f8d7e239325894f14105a260c589353d1d965
WannaCry
552249b242e9857e66ca1c2b55e55ecaa354017e1f1fcd2c7ba60388eba99ac5
WannaCry
565b91a32eff14c669952712d73bc0d375e7636a1fe1cd7a69eb3b8154d7ae1a
WannaCry
7b705fc7439484ce60390fc18da8d007cd22b50814d8bc6377aeace29259d67b
WannaCry
844313aca3cb7a3b9505101d795db0e30017ebb2d2f3e3456bd26c4957fae152
WannaCry
8874f86c069245f2990636ac832fa1d8d06f2aaeb558209defa1efa1953b37d8
WannaCry
9c14b26c484692ed0ab462b84f7252b71ef237ab5d56a76d058b57e468cd0828
WannaCry
b0defd094a19fc6ec21d44f93c37cfce0835cb16826c82624f7b4f352ee89f83
WannaCry
d2893feead9c7ce80858fbdd26b0b82cb5a0eda30368003522d2491367e19e3b
WannaCry
+ 1'019 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/230428-y3cg4sgc48/
Behaviour
Modifies data under HKEY_USERS
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (1567) amount of remote hosts
Contacts a large (3355) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
7ec64083883bc760cd1ae4f84d9b62ca1002833acbe1bbc960f0eddba8bb9ddb
MD5 hash:
34e1e2cfb0216c5450d74bdf5ee48fb1
SHA1 hash:
d201d0bfb3c3171049f2c124eb60f90a39311af1
Link:
https://www.unpac.me/results/678f1a79-0809-448d-993b-3ab6fd85d34a/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7ec64083883b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7ec64083883bc760cd1ae4f84d9b62ca1002833acbe1bbc960f0eddba8bb9ddb

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 (Nextron Systems) (with the help of binar.ly)
Description:Detects WannaCry Ransomware
Reference:https://goo.gl/HG2j5T
Rule name:WannaCry_Ransomware_Gen
Create hunting rule
Author:Florian Roth (Nextron Systems) (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:WannaCry_Ransomware_Gen_RID302B
Create hunting rule
Author:Florian Roth (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:Win32_Ransomware_WannaCry
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects WannaCry ransomware.

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/385591/

Comments