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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f
SHA3-384 hash: 36ccf7668e3cd7c97c1d67acd4c4f9ab322c4414ecd786761c567a727a4ef4c1e37da8cf99a51a5fbae4674a78e558a8
SHA1 hash: 20059c57c7ce855f76f941412ba33f73f74f1a21
MD5 hash: 7b95af14dce6f574c06a67314ad745d0
humanhash: cat-colorado-white-skylark
File name:87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f
Download: download sample
Signature Tsunami
Create hunting rule
File size:46'312 bytes
First seen:2026-09-20 18:17:23 UTC
Last seen:2026-09-21 05:47:07 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 768:t7suCa4wIAYQog4wIAYQog4wIAYQog4wIALjbzrD7TLjbzrD7TLjbzrzXGHIV4iW:t7dcIV4RG3ckt
TLSH T184232919B3A1EF7DC491A3324DDB432C4724A0B4AF71891F1B5825BB3917BA8CF7A542
telfhash t18ad09780e2725a640bf74030bcda0bc820121b1b80830fa0afd8a880c83701ae4a069e
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 GAYINT_DOT_ORG
Tags:cowrie elf honeypot Tsunami X64

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Tsunami-7644568-0
Create hunting rule

Unix.Trojan.Tsunami-7644788-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6ab0236399a6c6b7b6ba9b65/reports/7be2647d-6427-4743-b407-3390a9178db5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-09-20T16:27:00Z UTC
Last seen:
2026-09-21T11:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/39fe2549-2eea-40ca-bfc2-3721dbfbf564
Behavior Graph:
Download SVG
%3 guuid=c2a07c9b-1900-0000-9b86-d57d9b0a0000 pid=2715 /usr/bin/sudo guuid=4e43cf9e-1900-0000-9b86-d57da20a0000 pid=2722 /tmp/sample.bin guuid=c2a07c9b-1900-0000-9b86-d57d9b0a0000 pid=2715->guuid=4e43cf9e-1900-0000-9b86-d57da20a0000 pid=2722 execve guuid=8f71449f-1900-0000-9b86-d57da30a0000 pid=2723 /tmp/sample.bin net send-data zombie guuid=4e43cf9e-1900-0000-9b86-d57da20a0000 pid=2722->guuid=8f71449f-1900-0000-9b86-d57da30a0000 pid=2723 clone 10bc9bf6-f8ec-58fa-9a85-3f8aedd82073 185.237.182.250:6697 guuid=8f71449f-1900-0000-9b86-d57da30a0000 pid=2723->10bc9bf6-f8ec-58fa-9a85-3f8aedd82073 send: 3360B
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d7ac545-fb25-4cc8-9e12-b86e7ea41dd4
Score:
93%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f/
Threat name:
Linux.Backdoor.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2026-09-20 18:18:26 UTC
File Type:
ELF64 Little (SO)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7xpmqq4fvozfm7m5a2akkbkv2nuu6olbv23yu4ub7sb5bkibfxq._file
Result
Malware family:
kaiten
Create hunting rule
Score:
  10/10
Tags:
family:kaiten botnet linux
Link:
https://tria.ge/reports/260920-wxl39abq7y/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f

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:LinuxTsunami
Create hunting rule
Rule name:Linux_Trojan_Tsunami_019f0e75
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_30c039e2
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Tsunami_Backdoor
Create hunting rule
Author:@is_henderson
Description:Tsunami Backdoor

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Tsunami

elf 87eef6421c2d5d92b3ece83405282aae9b4a79cb0d75bc53940fe41e8548096f

(this sample)

  
Delivery method
Distributed via web download

Comments