MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c3e21ea3e7ef0cd54bc3b09bde350f97e917b2da84c72c7dc3de9676a83ef934. 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
Tsunami
Vendor detections: 9
| SHA256 hash: | c3e21ea3e7ef0cd54bc3b09bde350f97e917b2da84c72c7dc3de9676a83ef934 |
|---|---|
| SHA3-384 hash: | 6b3d4229cae261e9484951ee4fe9e258591f5271008ba51d205b2a12ae3a94a09e96c0ac2e1bef56fb35e505672a4a3b |
| SHA1 hash: | d1b5c4b898355261c6612376959de3247a02571f |
| MD5 hash: | 1822c35e53df7d1f9c07ee5b588fc38a |
| humanhash: | fourteen-spaghetti-mars-oranges |
| File name: | pty4 |
| Download: | download sample |
| Signature | Tsunami |
| File size: | 44'972 bytes |
| First seen: | 2026-06-04 13:52:35 UTC |
| Last seen: | 2026-06-05 04:57:01 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 768:OIkvhd+xT8f2HeAr5+BrnMFLu/WoIvkCnutEJ2OKf8RE79A+tKjgVtCHmVXljc:XGy58ULujgutEqr7qljQtCHm5lA |
| TLSH | T1F51302924574D477F58BB8E664C06DDBF371B4900FEDBAC522212C9B65361B406BCCE4 |
| TrID | 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1) |
| Magika | elf |
| Reporter |  abuse_ch |
| Tags: | elf Tsunami |
Intelligence
File Origin
# of uploads :
2
# of downloads :
51
Origin country :
DEVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Creating a file
Launching a process
Opens a port
Changes the time when the file was created, accessed, or modified
DNS request
Changes access rights for a written file
Locks files
Deleting a recently created file
Creating a file in the %temp% directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
Verdict:
Suspicious
Result
Threat name:
Muhstik, Tsunami
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Executes the "crontab" command typically for achieving persistence
Explicitly modifies time stamps using the "touch" command
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Writes identical ELF files to multiple locations
Yara detected Muhstik
Yara detected Tsunami
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Trojan.Tsunami
Status:
Malicious
First seen:
2026-06-04 13:53:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
6/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Indicator Removal: Timestomp
UPX packed file
Creates/modifies Cron job
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | elf_kaiten_w0 |
|---|---|
| Author: | Akamai SIRT |
| Description: | Kaiten/STD DDoS malware |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Tsunami_d74d7f0c |
|---|---|
| Author: | Elastic Security |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
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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