MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48
SHA3-384 hash: f4abf8f4a9f1e343f5cf11fbbcefb8efb67338660781436e429a4f0b1ca104af0ad03be5d98c1d30492f98313b7354d7
SHA1 hash: e323ae923360bdcedc125949850d554061481c53
MD5 hash: da56c79fdbb6d408c55f546205441f64
humanhash: burger-kansas-island-papa
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:109'420 bytes
First seen:2026-01-21 07:38:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bymy+rpMawaOCBaqXwwyVXJ/0ZrTUqrQJiaE/62c68F7EOcFrUD3LS9/+QrKBpm:WmFrpjwC1gSWYau6e8F4tQGl+QuBp
TLSH T1C5B36DC9F58FC0BAE85210313126AB3657B3FC39123DDB53D7AE963198A3580D62A71D
telfhash t15151f5fb1aaa0deda7d06804d30e2fa17e5ee67715a077a1017384383267ec146b9c3d
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0e29b1ed62aba6e908d5c01c864d57acad3c6b025871f508e68f5ed557bfd99d
File size (compressed) :45'652 bytes
File size (de-compressed) :109'420 bytes
Format:linux/i386
Packed file: 0e29b1ed62aba6e908d5c01c864d57acad3c6b025871f508e68f5ed557bfd99d

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/419905c8-75a0-4272-aab5-7c522604327f/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

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

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/697082ae55805a763fec941b/reports/f54aa632-9bdc-40f0-a2cf-b87be751e42c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-21T05:25:00Z UTC
Last seen:
2026-01-21T08:44:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6a23a74b-d1b3-4651-bd77-790a152613dc
Behavior Graph:
Download SVG
%3 guuid=60f40771-1a00-0000-cf6f-240a52090000 pid=2386 /usr/bin/sudo guuid=564d8c74-1a00-0000-cf6f-240a59090000 pid=2393 /tmp/sample.bin net send-data guuid=60f40771-1a00-0000-cf6f-240a52090000 pid=2386->guuid=564d8c74-1a00-0000-cf6f-240a59090000 pid=2393 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=564d8c74-1a00-0000-cf6f-240a59090000 pid=2393->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1150B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=564d8c74-1a00-0000-cf6f-240a59090000 pid=2393->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=01b87ab0-1a00-0000-cf6f-240ad7090000 pid=2519 /tmp/sample.bin dns net send-data guuid=564d8c74-1a00-0000-cf6f-240a59090000 pid=2393->guuid=01b87ab0-1a00-0000-cf6f-240ad7090000 pid=2519 clone guuid=5eeb82dd-1b00-0000-cf6f-240a4b0c0000 pid=3147 /tmp/sample.bin guuid=564d8c74-1a00-0000-cf6f-240a59090000 pid=2393->guuid=5eeb82dd-1b00-0000-cf6f-240a4b0c0000 pid=3147 clone guuid=01b87ab0-1a00-0000-cf6f-240ad7090000 pid=2519->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 135B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=01b87ab0-1a00-0000-cf6f-240ad7090000 pid=2519->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 16B guuid=acde87b0-1a00-0000-cf6f-240ad8090000 pid=2520 /tmp/sample.bin guuid=01b87ab0-1a00-0000-cf6f-240ad7090000 pid=2519->guuid=acde87b0-1a00-0000-cf6f-240ad8090000 pid=2520 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/210ad7c4-e996-400c-9d37-7c448b4c7df6
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1854613
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854613 Sample: debug.elf Startdate: 21/01/2026 Architecture: LINUX Score: 68 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 6 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-21 07:39:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6isch47xkqwq3jeyhtsaz3pfaxmnsng5c7ny2r3xc2dsky33vea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260121-jg6rhacv3e/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
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:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 0e29b1ed62aba6e908d5c01c864d57acad3c6b025871f508e68f5ed557bfd99d

Mirai

elf 5f91211f9fbaa1686d24c1e720676f282ec6c9a6e8bedc6a3bb8b4392b1bdd48

(this sample)

  
Dropped by
SHA256 0e29b1ed62aba6e908d5c01c864d57acad3c6b025871f508e68f5ed557bfd99d
  
URLhaus
https://urlhaus.abuse.ch/url/3684963/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3778357ae3432d61b5d37204f513ba98

Comments