MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b77c047ed6dde4c9b6da088d07935f6aabbbba2139af90b72c696fb1b82be0e. 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 6 File information Comments

SHA256 hash: 3b77c047ed6dde4c9b6da088d07935f6aabbbba2139af90b72c696fb1b82be0e
SHA3-384 hash: aad5c11f0ae6144580a18b582109bf984ebac7deff5d8b9b03bb25d6af52b85c151c4c1c0780235442589700ef9194fa
SHA1 hash: e4b9a411989b82cd151e600c9b2db9fa796ec2a8
MD5 hash: 0b4e74ef680e6b3999c50ceedb2186d3
humanhash: tango-purple-kitten-virginia
File name:arm6
Download: download sample
Signature Mirai
File size:209'020 bytes
First seen:2026-01-03 00:52:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:y3qiKQZwSoLmwpkXbzOOaugciNMdgc6xP:y3omwvLmEkXeOa39NMK
TLSH T1D5141B46F9828F12C1C122B9FA5E418D33136B78E2EE7212DD246F6077869EF0E7B515
telfhash t1780112768fe429bcb3d9084142c7a22355d434fe630201b7773afa5f6863dc07026807
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 868efe280324f462f2ddd7932d93c4381bd693e01aeb76a2c46187d40f365531
File size (compressed) :76'184 bytes
File size (de-compressed) :209'020 bytes
Format:linux/arm
Packed file: 868efe280324f462f2ddd7932d93c4381bd693e01aeb76a2c46187d40f365531

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gafgyt gcc lolbin mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-02T22:00:00Z UTC
Last seen:
2026-01-02T22:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=9e321dad-1a00-0000-de88-ade6440b0000 pid=2884 /usr/bin/sudo guuid=d54024af-1a00-0000-de88-ade64c0b0000 pid=2892 /tmp/sample.bin guuid=9e321dad-1a00-0000-de88-ade6440b0000 pid=2884->guuid=d54024af-1a00-0000-de88-ade64c0b0000 pid=2892 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843931 Sample: arm6.elf Startdate: 03/01/2026 Architecture: LINUX Score: 64 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 49872 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 2 other IPs or domains 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 8 arm6.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 arm6.elf sh 8->15         started        17 arm6.elf sh 8->17         started        19 arm6.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 arm6.elf 19->27         started        29 arm6.elf 19->29         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-03 00:53:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan zerobot Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Zerobot_3a5b56dd
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
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Zerobot_3a5b56dd
Author:Elastic Security
Description:Strings found in the Zerobot Spoofed Header method
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 3b77c047ed6dde4c9b6da088d07935f6aabbbba2139af90b72c696fb1b82be0e

(this sample)

  
Delivery method
Distributed via web download

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