MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108. 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


Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108
SHA3-384 hash: c6bcd6a5777dd7cd9c29862181865ad0ac73febc34e0ef9accb0830707a1cff667aa8a74cc2f035588f543c293b2d8f1
SHA1 hash: 3137e7e766eb92fe878011f6d24028cdb29ae863
MD5 hash: d3eb069be7d94b7ec3302cd7a32a4752
humanhash: neptune-lithium-yellow-shade
File name:titanjr.ppc440
Download: download sample
Signature Mirai
Create hunting rule
File size:92'048 bytes
First seen:2025-09-21 19:37:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:qf9jbHKubuZqESdJmL00CT0MaIy3qTfl3GwT1fm4ymM/0l1WrFVfTAeG2+c:6/dHTfhGaymMyWr3+c
TLSH T153936D42B70C0A43E1574DF02A3F57E1C3AA66A120F8FA89790EDF4996B2D325547ECD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135957-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Sets a written file as executable
Launching a process
Connection attempt
DNS request
Kills processes
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/68d0545c254431b688d7ea52/reports/a51dfd89-aa3b-44dc-94b7-3d3862f6d646/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-21T17:18:00Z UTC
Last seen:
2025-09-21T17:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/22446bc5-a223-4d56-b513-ce1301e865ec
Behavior Graph:
Download SVG
%3 guuid=b16c5e67-1900-0000-db5a-5244b4060000 pid=1716 /usr/bin/sudo guuid=b0a3cd69-1900-0000-db5a-5244b8060000 pid=1720 /tmp/sample.bin guuid=b16c5e67-1900-0000-db5a-5244b4060000 pid=1716->guuid=b0a3cd69-1900-0000-db5a-5244b8060000 pid=1720 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b49cf7cd-936b-4a21-9adb-c79d0f204db5
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1781612
Signature
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781612 Sample: titanjr.ppc440.elf Startdate: 21/09/2025 Architecture: LINUX Score: 72 31 asdfavae.duckdns.org 2->31 33 asdfavae.duckdns.org 160.187.246.23, 12121 OCNNTTCommunicationsCorporationJP unknown 2->33 35 Multi AV Scanner detection for submitted file 2->35 10 titanjr.ppc440.elf 2->10         started        signatures3 37 Uses dynamic DNS services 31->37 process4 process5 12 titanjr.ppc440.elf 10->12         started        process6 14 titanjr.ppc440.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 43 Sample tries to set files in /etc globally writable 14->43 45 Drops files in suspicious directories 14->45 47 Sample tries to persist itself using System V runlevels 14->47 18 titanjr.ppc440.elf 14->18         started        20 titanjr.ppc440.elf sh 14->20         started        signatures8 process9 process10 22 titanjr.ppc440.elf 18->22         started        25 titanjr.ppc440.elf 18->25         started        27 sh cp 20->27         started        signatures11 39 Manipulation of devices in /dev 22->39 41 Deletes system log files 22->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 19:39:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fcu3jmugvmsrodwuxvqarkqb35gc2dyexc3iyfjd4etjon5jeeea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250921-ycz6gs1n12/
Malware Config
C2 Extraction:
cvawrs.duckdns.org
fasdv.duckdns.org
savaswsd.duckdns.org
vmklsfdv.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135957-0
YARA:
n/a
Link:
https://app.threat.zone/submission/13c13e33-2c69-4784-bfc3-9705ebcc06da
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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

Mirai

elf 28a9b4b286ab25170ed4bd6008aa01df4c2d0f04b8b68c1523e1269737a92108

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3628720/
  
Delivery method
Distributed via web download

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