MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c261bf77f3dc4de7448d8b15dd580635111720ce968fa134477d610f8fd4308b. 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: 6


Intelligence 6 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c261bf77f3dc4de7448d8b15dd580635111720ce968fa134477d610f8fd4308b
SHA3-384 hash: b68925d13299e12f277fda0b80d84cc8533987c96106ef66cbda24e09d76d7371cff2e4dfa4dcdd4d6beb4b09670ff73
SHA1 hash: 2c1d4db4400f0cee6b981967671f7f528432229c
MD5 hash: 66c59e3ccc9aea6cf0defb5176da28a1
humanhash: video-triple-indigo-purple
File name:bot.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:594'076 bytes
First seen:2026-01-16 21:08:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:Vr6MzsaOvOZ3JdI5HwxRo3g8k43xpQpQRYmTenLB3benL3:EMrOonImZW1BupbenL
TLSH T106C4B053F2B0ADA2C4568B7548BAD2304346F2531783F382F66D86042C6FA6DFE9E754
telfhash t10611ef780b68a00156a1df6498ee5aa2511fce174e0dee33db37496c240909dea2bc4f
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 :
82
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

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

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc masquerade mirai
Link:
https://www.filescan.io/uploads/696aa8d9fdafd7624aaf5341/reports/618c29f2-475d-4b77-a8f7-6a79eb268672/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5c9cddb0-6e75-48b0-82a8-c0e67349440d
Behavior Graph:
Download SVG
%3 guuid=5fde2af2-1800-0000-70be-d90cef0a0000 pid=2799 /usr/bin/sudo guuid=d7c91af5-1800-0000-70be-d90cf50a0000 pid=2805 /tmp/sample.bin guuid=5fde2af2-1800-0000-70be-d90cef0a0000 pid=2799->guuid=d7c91af5-1800-0000-70be-d90cf50a0000 pid=2805 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/56f3860a-78fa-4729-9294-e79b09f0e844
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1852349
Signature
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852349 Sample: bot.sh4.elf Startdate: 16/01/2026 Architecture: LINUX Score: 60 34 109.202.202.202, 80 INIT7CH Switzerland 2->34 36 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->36 38 3 other IPs or domains 2->38 9 bot.sh4.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        process3 process4 15 bot.sh4.elf 9->15         started        process5 17 bot.sh4.elf 15->17         started        file6 32 /etc/init.d/sysd, POSIX 17->32 dropped 40 Sample tries to set files in /etc globally writable 17->40 42 Drops files in suspicious directories 17->42 44 Sample tries to persist itself using System V runlevels 17->44 21 bot.sh4.elf 17->21         started        23 bot.sh4.elf sh 17->23         started        signatures7 process8 process9 25 bot.sh4.elf 21->25         started        28 bot.sh4.elf 21->28         started        30 sh cp 23->30         started        signatures10 46 Manipulation of devices in /dev 25->46 48 Deletes system log files 25->48
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c261bf77f3dc4de7448d8b15dd580635111720ce968fa134477d610f8fd4308b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c261bf77f3dc4de7448d8b15dd580635111720ce968fa134477d610f8fd4308b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-16 21:10:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yjq3657t3rg6orenrmk52wagguiroigos2h2cnchpvqq7d6ugcfq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260116-zy79nagz3f/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5cb8c7b1-6ada-4ddd-b548-19cbefa5ede2
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/c261bf77f3dc4de7448d8b15dd580635111720ce968fa134477d610f8fd4308b

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 c261bf77f3dc4de7448d8b15dd580635111720ce968fa134477d610f8fd4308b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759186/
  
Delivery method
Distributed via web download

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