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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7
SHA3-384 hash: 7aa8dd2780c1bafb37357b50e996331a40dfc2827487342aae0eb618e86ddda67dcd1d7b662f5219405198cc50929b27
SHA1 hash: 43d8b0986a481db80ade7b6fee38e2417e31e386
MD5 hash: fcc4b38e42170b4c575f0e699ed5d429
humanhash: foxtrot-lithium-king-nuts
File name:f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2026-03-11 17:46:00 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 49152:SnAQqMSPbc0hx+TSqTdX1HkQo6S8aEau3R8:+DqPo+xcSUDk36SY3R8
Threatray 1'463 similar samples on MalwareBazaar
TLSH T12F363366616CE27CD019657150730977EBF27CA5A3FEAA0F8B8487D90D0375ABF90E02
TrID 39.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
21.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
8.3% (.EXE) Win64 Executable (generic) (6522/11/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter enthec
Tags:dll WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/57129/
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.Ransomware.WannaCry-10011460-0
Create hunting rule

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

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

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

BC.Win.Exploit.Exe_With_CVE_2017_0147-6316126-2
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b1aa7d5a439615ccbf73b9
Tags:
wannacry madi
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto lolbin microsoft_visual_cc overlay ransomware smb soft-404 wanna wannacry wannacry wannacrypt wannacryptor
Link:
https://www.filescan.io/uploads/69b1aa742000fc76c3d43be7/reports/b6bbf259-5323-436e-84ad-47f3e9c493cb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7
Verdict:
Malicious
File Type:
dll x32
First seen:
2018-06-10T07:13:00Z UTC
Last seen:
2021-11-25T18:16:00Z UTC
Hits:
~10
Detections:
Trojan-Ransom.Win32.Wanna.zbu Trojan-Ransom.Win32.Wanna.sb Trojan.Win32.Eb.a HEUR:Trojan-Ransom.Win32.Wanna.gen Exploit.Win32.MS17-010.kpn Trojan-Ransom.Win32.Wanna.m Trojan.Win32.EquationDrug.sb Trojan.Win32.Eb.b HEUR:Worm.Win32.Generic HEUR:Trojan.Win32.Generic HEUR:Trojan.Win32.EquationDrug.gen HEUR:Exploit.Win32.MS17-010.gen
Link:
https://opentip.kaspersky.com/f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7/results?tab=lookup
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e36a66f-8fa0-4e9c-8cbf-b39f0e2a9579
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7/
Verdict:
Malicious
Threat:
Family.WANNACRY
Link:
https://tip.neiki.dev/file/f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-01-30 17:55:12 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6g5crodbvcv7okzx5ebbehgskbwouk3teow3vggfijw4vjy777dq._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
Similar samples:
3ed4ed12009a6787dbf21e801d25663f178df377e5ec9e954cd9c17f1cb5970e
WannaCry
a4b97fd561d49eb3a43fcb259c5352840254a188e73d5d75768ad3bafa9fa58f
WannaCry
a7840762bb587763e3494e1d2cdbb3d168b20163772736201a1cd4c9a3fa0184
WannaCry
b10fedc2ddaeed43c2ca040123d060ec5af0fefc1a4ddc24f0b122b6734b8d86
WannaCry
e8e5833bfd2e454fc0bd9b4808612ddbf120b4f2d10c0fbe881df70707181198
WannaCry
error
WannaCry
f48f713168ef951fa3c7ce2a8cc480ef42a168c4184043a302b206da7fab0239
WannaCry
f99566563fecac227e55fffbc5acb6d371abdaf77db2671d1aac16febafd7f2c
WannaCry
+ 1'453 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/260311-wcg9kaft21/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (2693) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7
MD5 hash:
fcc4b38e42170b4c575f0e699ed5d429
SHA1 hash:
43d8b0986a481db80ade7b6fee38e2417e31e386
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/4bdfb105-199f-4c24-9d59-7f8e8803a446/
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/f1ba28b861a8abf72b37e902121cd2506cea2b7323adba98c5426dcaa71fffc7

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:Armadillov1xxv2xx
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:SUSP_Imphash_Mar23_2
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:Internal Research
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

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/57129/

Comments