🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266
SHA3-384 hash: 660ba414fdd7ae2e13d806562a42c30f7b8dcc7077a20ff49fcb988fd6e62bdd2adcaec1e8f7edb6b4c1915b1ae70a30
SHA1 hash: f556e723f865e0bbeaa4614aefcc1c66b564a5db
MD5 hash: 92953a5e40c6c365ed79d50ceb723727
humanhash: cat-fourteen-timing-three
File name:92953a5e40c6c365ed79d50ceb723727
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 04:54:20 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'136 x WannaCry, 7 x Worm.Virut, 3 x Expiro)
ssdeep 24576:RbLguriIfEcQdIVUacMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVX:RnpEKUacBVQej/1INRx+TSqTdX
Threatray 325 similar samples on MalwareBazaar
TLSH T1E83622563098C0B4C10215304CABCBEAE5B67C29AE75694F7FD07B6F2E33796A711B42
TrID 33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.0% (.SCR) Windows screen saver (13101/52/3)
11.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed

Intelligence

File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292534/
Detection(s):
Win.Dropper.DarkKomet-9370806-0
Create hunting rule

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

Win.Malware.Djwy-6775897-0
Create hunting rule

Win.Malware.Rasftuby-6789024-0
Create hunting rule

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

Win.Ransomware.Wanna-6888027-0
Create hunting rule

Win.Ransomware.Wanna-6888334-0
Create hunting rule

Win.Ransomware.Wanna-9769986-0
Create hunting rule

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

Win.Trojan.Agent-6598660-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
60%
Tags:
greyware greyware overlay packed ransomware shell32.dll wannacry worm
Link:
https://www.filescan.io/uploads/62d78b2280dba4f80a251263/reports/b723fb71-b04a-4a8b-807d-79938b19de3a/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ddc97f77-7fff-4821-a6dc-7c071a372e52
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037940
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-06-14 09:20:15 UTC
File Type:
PE (Dll)
Extracted files:
15
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpx4w46jjf63ezkcrkr5ycygsl5foirujvfhokzfs47cisyikjta._file
Verdict:
malicious
Similar samples:
0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
WannaCry
0ef3e12c837bd305c71966452aa170f20d4c3756a13308935a984e82bb76cc8b
WannaCry
268c5e3f3050d96c2fc80f38e7a81846bd799ba949d69f35bd2151e509189505
WannaCry
48fc9ccb42ec0234df4d4f41db1d0cb1e1fe6aa5e640c28625aa3d73e65d2856
WannaCry
4bf1fbbd994e86b9419d03ba4e930e2367837952ce603cbbed1d71750718c7c4
WannaCry
60b39d34b2089438db05f612a11f09e14fea05317ca2b4eb4f992b5be4d61103
WannaCry
8f86b42241e81b7461ba45fde82505332e4578663fdd20c2723a99863c34ad67
WannaCry
c74d4c435684c89f0f3ca6f18e75c3c2ae6f306ebb352d4246261650f15ef69a
WannaCry
f609bb63acb1c6d1ee19574550f83bb796af5ece4cab54a70f97534e8b1c478f
WannaCry
+ 315 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-fj5enscegk/
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 (1197) amount of remote hosts
Executes dropped EXE
Contacts a large (3088) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266
MD5 hash:
92953a5e40c6c365ed79d50ceb723727
SHA1 hash:
f556e723f865e0bbeaa4614aefcc1c66b564a5db
Link:
https://www.unpac.me/results/45799a6c-27c7-4a45-96db-b86acae58a7e/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3befcb73c949/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266

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: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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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/292534/

Comments