MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a. 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: 12


Intelligence 12 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a
SHA3-384 hash: 88d548c27c7e520a1995eb57aaba3b71b4fd50df7b4e4b6d106844c59c71b023c528dda6f01fbb0462033a240518a561
SHA1 hash: 504b0e18bbaf6f5456aaff1c4913a4a81056559e
MD5 hash: 2b9b63cccf6e1f72749318490e848ebd
humanhash: nine-low-romeo-oranges
File name:csk_x86
Download: download sample
Signature Mirai
Create hunting rule
File size:100'492 bytes
First seen:2025-10-05 18:34:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:IelkSYtWVBRlupFlzFzFSUXHO4GkGR9dfEgSisgS0uX9:Ielk+HupfpRTXu4GlRwdisbX9
TLSH T1C0A37DC5F683E1F2E85705B1507BEB365B33E079202AEB52D368DE31DCA2501DA1AB5C
telfhash t15b5127f62d7e0de8b7c0a804c31e9fe2292ad77b15a075b645b32da532e3d824076c34
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10002309-0
Create hunting rule

Unix.Trojan.Mirai-10002310-0
Create hunting rule

Unix.Trojan.Mirai-10002598-0
Create hunting rule

Unix.Trojan.Mirai-10005051-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/68e2ba62f377ab2310524b2d/reports/e3e4fed5-7aa0-49f2-910c-a3ab2fd7cae2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
180.93.42.18
Number of open files:
0
Number of processes launched:
12
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-05T12:12:00Z UTC
Last seen:
2025-10-06T10:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/046a6eb7-d5ac-4918-8154-4dcdf1122aed
Behavior Graph:
Download SVG
%3 guuid=61217def-7300-0000-a39f-2835e6050000 pid=1510 /usr/bin/sudo guuid=2fbb33f1-7300-0000-a39f-2835ec050000 pid=1516 /tmp/sample.bin net guuid=61217def-7300-0000-a39f-2835e6050000 pid=1510->guuid=2fbb33f1-7300-0000-a39f-2835ec050000 pid=1516 execve f0cee7cd-6575-533a-a957-51df5bc0161d 180.93.42.18:53 guuid=2fbb33f1-7300-0000-a39f-2835ec050000 pid=1516->f0cee7cd-6575-533a-a957-51df5bc0161d con guuid=f47ca9f1-7300-0000-a39f-2835ee050000 pid=1518 /tmp/sample.bin dns net send-data zombie guuid=2fbb33f1-7300-0000-a39f-2835ec050000 pid=1516->guuid=f47ca9f1-7300-0000-a39f-2835ee050000 pid=1518 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f47ca9f1-7300-0000-a39f-2835ee050000 pid=1518->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 43B f9aada04-926a-58e4-8d29-6ecf4bfe56bb butternet.vietnamddns.com:55555 guuid=f47ca9f1-7300-0000-a39f-2835ee050000 pid=1518->f9aada04-926a-58e4-8d29-6ecf4bfe56bb send: 7B df4404a4-3797-5b37-b2f8-55096df05a5e butternet.vietnamddns.com:53 guuid=f47ca9f1-7300-0000-a39f-2835ee050000 pid=1518->df4404a4-3797-5b37-b2f8-55096df05a5e con guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519 /tmp/sample.bin guuid=f47ca9f1-7300-0000-a39f-2835ee050000 pid=1518->guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519 clone guuid=8bb6ccf1-7300-0000-a39f-2835f0050000 pid=1520 /tmp/sample.bin guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519->guuid=8bb6ccf1-7300-0000-a39f-2835f0050000 pid=1520 clone guuid=9618a771-7700-0000-a39f-2835de060000 pid=1758 /tmp/sample.bin guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519->guuid=9618a771-7700-0000-a39f-2835de060000 pid=1758 clone guuid=fb325ef1-7a00-0000-a39f-28352d070000 pid=1837 /tmp/sample.bin guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519->guuid=fb325ef1-7a00-0000-a39f-28352d070000 pid=1837 clone guuid=eff60f72-7e00-0000-a39f-2835b20a0000 pid=2738 /tmp/sample.bin guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519->guuid=eff60f72-7e00-0000-a39f-2835b20a0000 pid=2738 clone guuid=307e6bf3-8100-0000-a39f-2835280f0000 pid=3880 /tmp/sample.bin guuid=4cc6c0f1-7300-0000-a39f-2835ef050000 pid=1519->guuid=307e6bf3-8100-0000-a39f-2835280f0000 pid=3880 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14d17fd3-eb69-4bbb-a6ee-3cedf24210ed
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1789381
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789381 Sample: csk_x86.elf Startdate: 05/10/2025 Architecture: LINUX Score: 96 23 butternet.vietnamddns.com 180.93.42.18, 38888, 55555 SPT-AS-VNSaigonPostelCorporationVN Viet Nam 2->23 25 Suricata IDS alerts for network traffic 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 4 other signatures 2->31 9 csk_x86.elf 2->9         started        signatures3 process4 process5 11 csk_x86.elf 9->11         started        process6 13 csk_x86.elf 11->13         started        process7 15 csk_x86.elf 13->15         started        17 csk_x86.elf 13->17         started        19 csk_x86.elf 13->19         started        21 6 other processes 13->21
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-05 17:09:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e25xg523jrjepllde3xj5iglrxkhx3v44nxfngucm7rijhy3fofa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251005-w8dw1sywf1/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/4769964c-061d-42af-91e7-ef7966e2d03b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 26bb73775b4c5247ad6326ee9ea0cb8dd47beebce36e569a8267e2849f1b2b8a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3659486/
  
Delivery method
Distributed via web download

Comments