MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8167a2eb7ddb581480903b49be8644972c638a83d878df59a34bc0dff0338170. 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


Worm.Virut


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8167a2eb7ddb581480903b49be8644972c638a83d878df59a34bc0dff0338170
SHA3-384 hash: 14970b905f54e3f0417ea98824204bad832d8a5a4369edc553d3a4c931336f29e923e784cbd36f7da091441533e9f653
SHA1 hash: 8cdb34745e276febb9fbad3c30df4e919aa4d052
MD5 hash: f5b0de1029349739596a8a6e72cbf8af
humanhash: finch-michigan-hydrogen-sierra
File name:f5b0de1029349739596a8a6e72cbf8af
Download: download sample
Signature Worm.Virut
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 04:47:50 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (874 x WannaCry, 4 x Worm.Virut)
ssdeep 49152:ynAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:eDqPoBhz1aRxcSUDk36SA
Threatray 13'199 similar samples on MalwareBazaar
TLSH T15036F601D2E51AA0DAF25FF7267ADB10833A6E45895BA66E1221500F0C77F1CDDE6F2C
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 Worm.Virut

Intelligence

File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292522/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Dropper.Gh0stRAT-9825591-0
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:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d78913ef2b0e63a828822a/reports/87d262c4-9d76-4ce7-8eb4-a8f6a68bc4ae/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/255ce642-121d-4bbe-be29-c7a6b0ed6032
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037946
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8167a2eb7ddb581480903b49be8644972c638a83d878df59a34bc0dff0338170/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-01-08 17:05:07 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qft2f2353nmbjaeqhne35bses4wghcud3b4n6wndjpan74btqfya._file
Verdict:
malicious
Similar samples:
2a5fcd571c34b11c0c630c8cf1f50a91a136e931e0057f7f8e3ca36ecd73d993
Worm.Virut
33b4058adaed65e17b07ee1c11af2c1a53e65dbd98f86cdfc72d841529160c14
Worm.Virut
6448d228f342fb138a747f8fa317b004553f36f83fdd1b200baf80b7b9d9f5da
Worm.Virut
69d11b63913d84025f1469123b83bb21066a274f2240f87e119f49362abbc9ca
Worm.Virut
7a77b4131e76bdbb8c8b4da304691aa87a61ba0ee79ff213c9eec6e1ee22e957
Worm.Virut
83d1b64a9bca34640ec3722e9ef0dcb18669ec1b5a866f4e7517e760005b7d73
Worm.Virut
84382639746a15b8d22e688cc3dd7a30f6fda64f18580348b14c23aa34c8a6cd
Worm.Virut
8fa3eaa46c7d8d1f44a2eeca895f802f2aa7a2251bab347ccb765c72d63ccb58
Worm.Virut
a60b47e8c834aa97ddda9bd70dd41d8dc61649fd878ea913bc242ae79fe8cc77
Worm.Virut
fd9bb6bf944bfc60dee7e7c762615be99ce4bd822df2af5df8ec0bf8cab2d805
Worm.Virut
+ 13'189 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-fe4mkscedk/
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 (1263) amount of remote hosts
Executes dropped EXE
Contacts a large (2656) amount of remote hosts
Modifies firewall policy service
Wannacry
Unpacked files
SH256 hash:
8167a2eb7ddb581480903b49be8644972c638a83d878df59a34bc0dff0338170
MD5 hash:
f5b0de1029349739596a8a6e72cbf8af
SHA1 hash:
8cdb34745e276febb9fbad3c30df4e919aa4d052
Link:
https://www.unpac.me/results/7b606876-83f6-4484-b3ad-10e8de2a8abf/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8167a2eb7ddb/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/8167a2eb7ddb581480903b49be8644972c638a83d878df59a34bc0dff0338170

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/292522/

Comments