MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 506f33f697aa06dc093d21ab37466a6d2c8dcdd33d671d188bd3e0d5a64c4832. 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: 11


Intelligence 11 IOCs YARA 14 File information Comments

SHA256 hash: 506f33f697aa06dc093d21ab37466a6d2c8dcdd33d671d188bd3e0d5a64c4832
SHA3-384 hash: 3a34a10d3388fa4f9b342ccc503ec570e95d4aa506ccd4974415854772a342276a0b7977dfdb6a6d3d3c3fe3c571bc0f
SHA1 hash: 7d3b7731483dd44945ec85beb82e07b7abc6a7ad
MD5 hash: c6946df47e1a54c67f8bfe43018fc725
humanhash: butter-six-timing-yellow
File name:5r3fqt67ew531has4231.dbg
Download: download sample
Signature Mirai
File size:125'056 bytes
First seen:2026-01-20 20:56:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:fRloaRIe/sBkKOliFqfazfuWgILKd9JEQOPOU62wbZnrsL:fHf/OmbfazfuWgIW9JEkkwRrsL
TLSH T1FCC32B46F9819F11C5C732BAFAAE418933136BF8D3EA7102DC206F6437CA99B0E76551
telfhash t1bce0265bcfa40ed842d04300846cad1532f8b8993f14408354ad5f18c6015a3b228801
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2599ca9edc5d113d5c6e41c7924d93c884fcca3f38983f735c980f1f1783ba05
File size (compressed) :48'316 bytes
File size (de-compressed) :125'056 bytes
Format:linux/arm
Packed file: 2599ca9edc5d113d5c6e41c7924d93c884fcca3f38983f735c980f1f1783ba05

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-20T18:09:00Z UTC
Last seen:
2026-01-20T19:45:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.ad HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.a HEUR:Exploit.Linux.Zte.b HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.ew
Status:
terminated
Behavior Graph:
%3 guuid=b5013311-1900-0000-d239-c63bdb0e0000 pid=3803 /usr/bin/sudo guuid=a2539513-1900-0000-d239-c63bec0e0000 pid=3820 /tmp/sample.bin guuid=b5013311-1900-0000-d239-c63bdb0e0000 pid=3803->guuid=a2539513-1900-0000-d239-c63bec0e0000 pid=3820 execve
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854412 Sample: 5r3fqt67ew531has4231.dbg.elf Startdate: 20/01/2026 Architecture: LINUX Score: 100 34 156.158.50.50 airtel-tz-asTZ Tanzania United Republic of 2->34 36 197.187.5.187 airtel-tz-asTZ Tanzania United Republic of 2->36 38 98 other IPs or domains 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 4 other signatures 2->46 8 5r3fqt67ew531has4231.dbg.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 5r3fqt67ew531has4231.dbg.elf sh 8->14         started        16 5r3fqt67ew531has4231.dbg.elf 8->16         started        process6 18 sh rm 14->18         started        20 sh mkdir 14->20         started        22 sh mv 14->22         started        24 sh chmod 14->24         started        26 5r3fqt67ew531has4231.dbg.elf 16->26         started        28 5r3fqt67ew531has4231.dbg.elf 16->28         started        30 5r3fqt67ew531has4231.dbg.elf 16->30         started        32 4 other processes 16->32
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-20 20:57:49 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
File and Directory Permissions Modification
Contacts a large (402679) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
31.58.58.212
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:testlumma
Rule name:unixredflags3
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 506f33f697aa06dc093d21ab37466a6d2c8dcdd33d671d188bd3e0d5a64c4832

(this sample)

  
Delivery method
Distributed via web download

Comments