🤲🏼 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 eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be
SHA3-384 hash: c274a739cadcf2ada9382f0cb4d7ef61faa9f72ce678bcc6def6f60603177daedb3d093feda7a5f07fe1c7f5cd716142
SHA1 hash: f1afa3f2455319414ee08d08b95bd9ae9446ac20
MD5 hash: 5ffdc8b7825f72a04d5c97b6a4d80e7e
humanhash: sodium-snake-july-floor
File name:5ffdc8b7825f72a04d5c97b6a4d80e7e
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2025-01-15 01:58:04 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 98304:+DqPoBhz1aRxcSUwxWa9P593R8yAVp2H:+DqPe1CxcpadzR8yc4H
Threatray 1'039 similar samples on MalwareBazaar
TLSH T1263633A8666CB2BCF0540BB444738D2AB6B73C69B7798E1F57C087A60C0379B6FD4641
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 :
1
# of downloads :
500
Origin country :
CA CA
Vendor Threat Intelligence
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.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=678716684487910100df19c4
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto lolbin microsoft_visual_cc overlay overlay packed ransomware smb threat wanna wannacry wannacrypt wannacryptor
Link:
https://www.filescan.io/uploads/67871667f6ef415507dbb0de/reports/c80ede52-333f-41fb-99d4-ea9b31b9d2d1/overview
Verdict:
Malicious
Labled as:
CVE-2017-0147
Link:
https://www.hybrid-analysis.com/sample/eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9aa5dd2-8c20-4640-b5be-9320daad2b8b
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1591535
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Detected Wannacry Ransomware
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
Tries to download HTTP data from a sinkholed server
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1591535 Sample: ue5QSYCBPt.dll Startdate: 15/01/2025 Architecture: WINDOWS Score: 100 43 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com 2->43 53 Tries to download HTTP data from a sinkholed server 2->53 55 Suricata IDS alerts for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 6 other signatures 2->59 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 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        45 192.168.2.102 unknown unknown 12->45 47 192.168.2.103 unknown unknown 12->47 49 98 other IPs or domains 12->49 71 Connects to many different private IPs via SMB (likely to spread or exploit) 12->71 73 Connects to many different private IPs (likely to spread or exploit) 12->73 signatures6 process7 signatures8 25 rundll32.exe 16->25         started        51 Drops executables to the windows directory (C:\Windows) and starts them 18->51 27 mssecsvc.exe 7 18->27         started        process9 file10 31 mssecsvc.exe 7 25->31         started        39 C:\WINDOWS\qeriuwjhrf (copy), PE32 27->39 dropped 69 Drops executables to the windows directory (C:\Windows) and starts them 27->69 34 tasksche.exe 27->34         started        signatures11 process12 file13 41 C:\Windows\tasksche.exe, PE32 31->41 dropped 36 tasksche.exe 31->36         started        process14 signatures15 61 Detected Wannacry Ransomware 36->61 63 Antivirus detection for dropped file 36->63 65 Multi AV Scanner detection for dropped file 36->65 67 Machine Learning detection for dropped file 36->67
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-06-16 23:56:40 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5my4ixan3qefmzt3yf7ya4ll6lswdp67eezncs6k3nogeo4sog7a._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
Similar samples:
24aefa1fed4613907f97ff6c4e6a9376d70ea2c3ea3477d72ea5f1f28bb103cc
WannaCry
36dde0acce43dac1e5baa8e4b121a96f9aa0315c4386a203f6ea4e56534c7859
WannaCry
38dee9dac68372b67ca358f8acce624c8d7f7c871a540cc43744eae196908a59
WannaCry
55504677f82981962d85495231695d3a92aa0b31ec35a957bd9cbbef618658e3
WannaCry
73882be52f021ab5e22df371a4ed3ff95e5e0c50cdb6a5126133833037fa5497
WannaCry
b95ce7cf432b0a9af6affc3637c377b7aea5da351b433513e4136f4741a43357
WannaCry
bb1611ffc0faf19c968b81c81f45490692be6a0ed26facc377790aae798e2271
WannaCry
cb99a87b7aa2948a6229b949daad62ae9cbadef89969a8238b6f092de382edfa
WannaCry
d6a6375525eea8dd410d8dd6a98130f607b665e3ab7cd2824d84bdab5db66381
WannaCry
ec29f4db6e43c8bfad91f4d2910c6db42b975d33f7a51c69ea9e0dc9d400584f
WannaCry
+ 1'029 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/250115-ceefxaypek/
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 (3242) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
8916aaa55996942651aa1af354ca9d54c9a94870c837b27ba3d83593c8f41467
MD5 hash:
b050ed62458d7840747d691f5594009e
SHA1 hash:
6b2132ce30699cca6ece531cdaca483c08e66244
Detections:
WannaCry
Create hunting rule
Win32_Ransomware_WannaCry
Create hunting rule
ransomware_windows_wannacry
Create hunting rule
WannaCry_Ransomware
Create hunting rule
Link:
https://www.unpac.me/results/3ae9b2eb-bc03-42b7-99c8-67489ee0d410/
SH256 hash:
b16dd09bbabdb746683e9b22146ba76682894773cf955a81cae5ceef0a91780e
MD5 hash:
1ce39288b0a08b9e9ef9504febb99e0c
SHA1 hash:
bfd75ca8c358065c6f6178058347014a9cfe3232
Detections:
WannaCry
Create hunting rule
Win32_Ransomware_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/3ae9b2eb-bc03-42b7-99c8-67489ee0d410/
SH256 hash:
eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be
MD5 hash:
5ffdc8b7825f72a04d5c97b6a4d80e7e
SHA1 hash:
f1afa3f2455319414ee08d08b95bd9ae9446ac20
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/3ae9b2eb-bc03-42b7-99c8-67489ee0d410/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eb31c45c0ddc/report/overview.html
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/eb31c45c0ddc0856667bc17f80716bf2e561bfdf2132d14bcadb5c623b9271be

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