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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc
SHA3-384 hash: e391eb1eccc7479ef573999ccfe88d36e4e200e3e21c514531c2e9a7190a30a8424d88ab9914ab37c9bed4b28afdc7d5
SHA1 hash: 8657b28eeeb7d035f7f9c823d31555dbeb242065
MD5 hash: 09f93460c82251c85488fd207c2ece42
humanhash: victor-high-avocado-stream
File name:09f93460c82251c85488fd207c2ece42
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2025-01-14 19:53:24 UTC
Last seen:2025-01-14 19:58:05 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:RnpEjbcBVWNRx+TSqTdX1HkQo6SAARdhnv:1pUoBaRxcSUDk36SAEdhv
TLSH T1DE36236531A9C0B5C107147044EBCA62F6B6BC3A17FA694FBF904E6E2F73791E211B42
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) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter mentality
Tags:dll exe WannaCry

Intelligence

File Origin
# of uploads :
2
# of downloads :
160
Origin country :
CA CA
Vendor Threat Intelligence
Detection(s):
Win.Dropper.DarkKomet-9370806-0
Create hunting rule

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

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

Win.Ransomware.Wannacry-9982112-0
Create hunting rule

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

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

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

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

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

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6786c0dc4487910100df03fc
Tags:
shellcode eqtonex virus madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto crypto microsoft_visual_cc overlay overlay packed ransomware smb unknown wanna wannacry wannacryptor
Link:
https://www.filescan.io/uploads/6786c0dcf6ef415507db794b/reports/3c8992ca-5a26-4378-bce1-53041c12f8dd/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8948456f-4f07-473c-86d7-a9c051e94b59
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1591257
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Drops executables to the windows directory (C:\Windows) and starts them
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
Suricata IDS alerts for network traffic
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1591257 Sample: jgd5ZGl1vA.dll Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 48 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 2->48 50 ww25.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 2->50 52 2 other IPs or domains 2->52 62 Suricata IDS alerts for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 6 other signatures 2->68 10 loaddll32.exe 1 2->10         started        12 mssecsvr.exe 12 2->12         started        signatures3 process4 dnsIp5 16 cmd.exe 1 10->16         started        18 rundll32.exe 10->18         started        21 conhost.exe 10->21         started        23 rundll32.exe 1 10->23         started        54 192.168.2.102 unknown unknown 12->54 56 192.168.2.103 unknown unknown 12->56 58 98 other IPs or domains 12->58 76 Connects to many different private IPs via SMB (likely to spread or exploit) 12->76 78 Connects to many different private IPs (likely to spread or exploit) 12->78 signatures6 process7 signatures8 25 rundll32.exe 16->25         started        60 Drops executables to the windows directory (C:\Windows) and starts them 18->60 27 mssecsvr.exe 13 18->27         started        process9 file10 31 mssecsvr.exe 13 25->31         started        44 C:\WINDOWS\qeriuwjhrf (copy), PE32 27->44 dropped 74 Drops executables to the windows directory (C:\Windows) and starts them 27->74 34 tasksche.exe 6 20 27->34         started        signatures11 process12 file13 46 C:\Windows\tasksche.exe, PE32 31->46 dropped 36 tasksche.exe 3 15 31->36         started        40 SIHClient.exe 6 34->40         started        process14 file15 42 C:\Windows\eee.exe, PE32 36->42 dropped 70 Antivirus detection for dropped file 36->70 72 Multi AV Scanner detection for dropped file 36->72 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2019-11-13 18:30:19 UTC
File Type:
PE (Dll)
Extracted files:
15
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7fanwbxjbfzuvy54bcipiiptkjj7eas5tm4o4tkqdjhu6env3ga._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/250114-ymhzysxpbw/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (3276) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
b3e46a6d061aff51d5cebd44e789f653cc70f79e3b90454e0c644f811f2793e3
MD5 hash:
906bb589e34e49e1802a267671c47aea
SHA1 hash:
c272f83829d9661be163b7f42b6c5fa1cbf3851e
Link:
https://www.unpac.me/results/dca05e7a-c2bb-4d7d-bc41-9855276c0709/
SH256 hash:
26c02de75308da07f351f4721df4897be0fa4a63b62462ec926b3a00abbd2bec
MD5 hash:
4e0ea09584bf3cf77db2f466be2056ad
SHA1 hash:
07593b3e43d5c440be3dadbaef14f7c5cdb40d2f
Detections:
WannaCry_Ransomware
Create hunting rule
WannaCry_Ransomware_Gen
Create hunting rule
Link:
https://www.unpac.me/results/dca05e7a-c2bb-4d7d-bc41-9855276c0709/
SH256 hash:
57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc
MD5 hash:
09f93460c82251c85488fd207c2ece42
SHA1 hash:
8657b28eeeb7d035f7f9c823d31555dbeb242065
Link:
https://www.unpac.me/results/dca05e7a-c2bb-4d7d-bc41-9855276c0709/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
WanaCrypt0r
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/57ca06d837484b9a571de04487a10f9a929f9012ecd9c7726a80d27a788daecc

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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments