MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a04585157033b86cb2c104f441d236bc3255b46127355f8342b75ab40eb3e35. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a04585157033b86cb2c104f441d236bc3255b46127355f8342b75ab40eb3e35
SHA3-384 hash: ed6a9c10dc3415ff1fd47762b5344c014e1cdfe71e772098466da2b39df7eedc1a664c646de3e3bebb2ad0543cba0684
SHA1 hash: 3fb8835b17c23c3cce6fec7c77e5e42fd44acd87
MD5 hash: 1ded4ed94ab31f1a3bba3a50cfa7238f
humanhash: jupiter-oven-earth-idaho
File name:syslogd
Download: download sample
Signature Tsunami
Create hunting rule
File size:45'960 bytes
First seen:2022-09-13 12:41:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:mLI6Ht4nOWc8v51zf00pSf5XMRkX+hCh25mD3dFxfrWfiAgWiKIi:3kt+OWc8v51zf00pSf5XMRQYCh25mtrK
TLSH T11023C6A7B5A3D575D4E1BB340DAFC228A5B1B0F85B32274F300D2A716F52B888F2D549
telfhash t15fe0c242f231ae200af74430a8d607dd0542ab67d1571ea8dfd898d0882a11a95a4aae
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter r3dbU7z
Tags:elf Tsunami

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Tsunami-7644569-0
Create hunting rule

Unix.Trojan.Tsunami-7644790-0
Create hunting rule

Unix.Trojan.Tsunami-7645009-0
Create hunting rule

Unix.Trojan.Tsunami-7645187-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
17
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8a04585157033b86cb2c104f441d236bc3255b46127355f8342b75ab40eb3e35
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
93.95.229.203:8080
UDP botnet C2(s):
not identified
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c8f6afa8-e9bc-4399-8503-8c3b9eab48b3
Result
Threat name:
Tsunami
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1069472
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Yara detected Tsunami
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a04585157033b86cb2c104f441d236bc3255b46127355f8342b75ab40eb3e35/
Threat name:
Linux.Backdoor.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2022-08-19 15:30:43 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ricfqukxam5ynszmcbhuihjdnpbskw2gcjzvl6bufn22wqhlhy2q._file
Result
Malware family:
kaiten
Create hunting rule
Score:
  10/10
Tags:
family:kaiten linux persistence
Link:
https://tria.ge/reports/220913-pxb5qaffb3/
Behaviour
Modifies rc script
Modifies hosts file
Writes DNS configuration
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/8a04585157033b86cb2c104f441d236bc3255b46127355f8342b75ab40eb3e35

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:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
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
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Tsunami

elf 8a04585157033b86cb2c104f441d236bc3255b46127355f8342b75ab40eb3e35

(this sample)

  
Delivery method
Distributed via web download

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