MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b547dc7a77af8022abbf19a7006213342444caea1cede20ea2409ce9bc9790bf. 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
| SHA256 hash: | b547dc7a77af8022abbf19a7006213342444caea1cede20ea2409ce9bc9790bf |
|---|---|
| SHA3-384 hash: | 836162c5b770e8ccbcd8c5424b9fc018cd5226263790e133421beaa4be511a36ffd5cb07642a8e69677c3ce805dea880 |
| SHA1 hash: | 3e96e1f6a2d7cc6b72473d141e1962260325a0e7 |
| MD5 hash: | 70920f342814ca5c662cbbed00d60eef |
| humanhash: | cup-violet-high-moon |
| File name: | main_Cry.exe |
| Download: | download sample |
| Signature | WannaCry |
| File size: | 2'197'504 bytes |
| First seen: | 2026-03-06 16:48:15 UTC |
| Last seen: | 2026-03-06 17:47:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c94c85d90b694c7e238e0b67dee148bf (1 x WannaCry) |
| ssdeep | 6144:6j57PRbwHB1eHZGMBESZxBTr9QLhrbhYFveEbBENpKqmqED2Umpg7ajG:65Jbme5GMXNxC1oeEbupXmdvm |
| TLSH | T1EDA52A07E23E25F9D1BFA0BE84C22942F9617C7907355BD76750826ADE22EF4A83D710 |
| TrID | 33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  Ling |
| Tags: | exe filecoder Ransom:Win32/Filecoder!MSR WannaCry |
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Ransom:Win32/Filecoder!MSR)WannaCry
Intelligence
File Origin
# of uploads :
2
# of downloads :
382
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
PECrypter
Details
PECrypter
extracted PE file component(s) (plaintext) from the .data section
Malware family:
wannacry
ID:
1
File name:
main_Cry.exe
Verdict:
Malicious activity
Analysis date:
2026-03-06 11:00:34 UTC
Tags:
wannacry ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WannaCry
Detection(s):
Gathering data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
crypto fingerprint microsoft_visual_cc wannacryptor wcry
Verdict:
Malicious
Labled as:
Ransom.WannaCryptor.Generic
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan.Win32.Udochka.sb PDM:Trojan.Win32.Generic Trojan-Ransom.Win32.Wanna.zae Trojan-Ransom.Win32.Encoder.sb Trojan-Ransom.Win32.Agent.sb HEUR:Trojan-Ransom.Win32.Wanna.gen
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.WANNACRY
Threat name:
Win64.Ransomware.WannaCry
Status:
Malicious
First seen:
2026-03-06 16:49:25 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
10 of 23 (43.48%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
wannacry
Score:
10/10
Tags:
family:wannacry ransomware worm
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Sets desktop wallpaper using registry
Checks computer location settings
Executes dropped EXE
Renames multiple (57) files with added filename extension
Wannacry
Wannacry family
Unpacked files
SH256 hash:
b547dc7a77af8022abbf19a7006213342444caea1cede20ea2409ce9bc9790bf
MD5 hash:
70920f342814ca5c662cbbed00d60eef
SHA1 hash:
3e96e1f6a2d7cc6b72473d141e1962260325a0e7
SH256 hash:
24a9111b7026a579229985ac10675836928875bbcc59320fd9d6189fd27efa5c
MD5 hash:
19389d1834aef91cce70b4de4ae95883
SHA1 hash:
79ba65f4d79a0f1a646c69dcc95323755c908df8
Malware family:
Petya
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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