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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20
SHA3-384 hash: 493783375f35970e52693f80713d8bf3e3cc2fbd1f9a7a7cd8ac2f523109d8bb59a532d67b07e8bfb01a6b11b03339d4
SHA1 hash: 11c157aa6e5e81f06b4075da79ba6871c8d99362
MD5 hash: fdcac773c1bae1197a3b30bc0e44bf4d
humanhash: lamp-six-berlin-lithium
File name:fdcac773c1bae1197a3b30bc0e44bf4d
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2025-01-14 22:32:28 UTC
Last seen:2025-01-14 22:57:07 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:RnsEMSPbcBVQejy+TSqTdX1HkQo6SAARdhn:1fPoBhOcSUDk36SAEdh
TLSH T1BB36239871BC81F8C10929B458A7C636B2B27C6921FE960FDBD09D573D33B45FB90A42
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 :
222
Origin country :
CA CA
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Agent-6582841-0
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.Ransomware.WannaCry-10011460-0
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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6786e620aa9c8e7858dec78f
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto lolbin microsoft_visual_cc overlay ransomware smb threat wanna wannacry wannacryptor
Link:
https://www.filescan.io/uploads/6786e61f33837f9f2ac0190e/reports/e7d01f36-acc3-48c5-a4d2-a29907ae92ee/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9e4b34d-47f9-429e-ac1d-b94bd79812ee
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1591388
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 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
Suricata IDS alerts for network traffic
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1591388 Sample: D3W41IdtQA.dll Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 36 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 2->36 38 ww25.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com 2->38 40 2 other IPs or domains 2->40 48 Suricata IDS alerts for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 7 other signatures 2->54 9 loaddll32.exe 1 2->9         started        11 mssecsvr.exe 12 2->11         started        signatures3 process4 dnsIp5 15 rundll32.exe 9->15         started        18 cmd.exe 1 9->18         started        20 conhost.exe 9->20         started        22 rundll32.exe 1 9->22         started        42 192.168.2.102 unknown unknown 11->42 44 192.168.2.103 unknown unknown 11->44 46 98 other IPs or domains 11->46 56 Connects to many different private IPs via SMB (likely to spread or exploit) 11->56 58 Connects to many different private IPs (likely to spread or exploit) 11->58 signatures6 process7 signatures8 60 Drops executables to the windows directory (C:\Windows) and starts them 15->60 24 mssecsvr.exe 13 15->24         started        27 rundll32.exe 18->27         started        process9 file10 32 C:\WINDOWS\qeriuwjhrf (copy), PE32 24->32 dropped 29 mssecsvr.exe 13 27->29         started        process11 file12 34 C:\Windows\tasksche.exe, PE32 29->34 dropped
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-02-24 05:15:14 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fozfx7kvkypfi7bh7trofeqi6usv4pqsd72allivjlkbh7nftmqa._file
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/250114-2ghc1ssjaw/
Behaviour
Modifies data under HKEY_USERS
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 (3293) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
8822399524a309857f9ef3c94401fd35afec987e94e96f01b855aac6a3fefb90
MD5 hash:
6dd3482c21168ccf90a610ed4daa8012
SHA1 hash:
a74c571e4d3cf97af07fa5b5ec580c417ba925d6
Detections:
WannaCry
Create hunting rule
ransomware_windows_wannacry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
Link:
https://www.unpac.me/results/efb914e4-ba8a-4b54-9931-dc81e0aeb385/
Parent samples :
b0c40cce2d2fd0acbc27c2367ae8e1493e7a6d4511152fb387532acba67017cf
2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20
6f84d2b8719b64bc655d9f8b94b9c72500f3bd088838c223b4678d690cec2a49
SH256 hash:
391ccf15303ae72e058305bbb8085951424000f6078e8421ddc6ba8e295af3d2
MD5 hash:
536ea92209ee88cd04dc2970d496ce34
SHA1 hash:
317932f533fe9e96c56275e2d1b61c1490776502
Detections:
WannaCry
Create hunting rule
ransomware_windows_wannacry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
WannaCry_Ransomware_Gen
Create hunting rule
Link:
https://www.unpac.me/results/efb914e4-ba8a-4b54-9931-dc81e0aeb385/
SH256 hash:
2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20
MD5 hash:
fdcac773c1bae1197a3b30bc0e44bf4d
SHA1 hash:
11c157aa6e5e81f06b4075da79ba6871c8d99362
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/efb914e4-ba8a-4b54-9931-dc81e0aeb385/
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/2bb25bfd55561e547c27fce2e29208f5255e3e121ff405ad154ad413fda59b20

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: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