MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13b9d9fdd233c9ae6f61ddb0c52d724982a277ccfffa12f2d729d8b4482756a1. 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 3 File information Comments

SHA256 hash: 13b9d9fdd233c9ae6f61ddb0c52d724982a277ccfffa12f2d729d8b4482756a1
SHA3-384 hash: 6566d679f34d6bb2945ec40de76774e42a30e19a3f0210544ac8bc260d97054662f5c26def7d9eb95a1281d5d0786d42
SHA1 hash: abc7e19c063075730539068f46748baa03b1636c
MD5 hash: 8f642878aee21d0838439f6ae4749122
humanhash: arizona-pizza-low-artist
File name:x86_64
Download: download sample
Signature Mirai
File size:76'168 bytes
First seen:2026-01-01 00:04:40 UTC
Last seen:2026-01-01 18:31:12 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:PFP+xWuV6En5c/a5TnqebhM1KINuvUc62CDh+cs9SaQcbTakxF:9P+xWu0aMQn7WWs1/Dhxs9LQcbTaS
TLSH T1767302AB5607D7B5C1D7B1F7C477D60C3C88795A410D8BEB0C2CF6A796F780A09AA210
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
File size (compressed) :76'168 bytes
File size (de-compressed) :213'808 bytes
Format:linux/amd64
Unpacked file: a4f42ef96cb30007d2ae262d4417eea1dc5e53d8ff753fa06d4fdb86425dc026

Intelligence


File Origin
# of uploads :
2
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-31T21:10:00Z UTC
Last seen:
2026-01-02T02:37:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=5e908688-1800-0000-02d6-f590a40a0000 pid=2724 /usr/bin/sudo guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730 /tmp/sample.bin mprotect-exec net write-config write-file guuid=5e908688-1800-0000-02d6-f590a40a0000 pid=2724->guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=fa789d8c-1800-0000-02d6-f590ae0a0000 pid=2734 /usr/bin/dash guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730->guuid=fa789d8c-1800-0000-02d6-f590ae0a0000 pid=2734 execve guuid=01ba4b8e-1800-0000-02d6-f590b40a0000 pid=2740 /usr/bin/dash guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730->guuid=01ba4b8e-1800-0000-02d6-f590b40a0000 pid=2740 execve guuid=2826f290-1800-0000-02d6-f590bf0a0000 pid=2751 /tmp/sample.bin guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730->guuid=2826f290-1800-0000-02d6-f590bf0a0000 pid=2751 clone guuid=26cb6bbb-1900-0000-02d6-f590930c0000 pid=3219 /tmp/sample.bin guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730->guuid=26cb6bbb-1900-0000-02d6-f590930c0000 pid=3219 clone guuid=58e275bb-1900-0000-02d6-f590940c0000 pid=3220 /tmp/sample.bin net send-data zombie guuid=14858d8b-1800-0000-02d6-f590aa0a0000 pid=2730->guuid=58e275bb-1900-0000-02d6-f590940c0000 pid=3220 clone guuid=e041c78c-1800-0000-02d6-f590af0a0000 pid=2735 /usr/bin/systemctl guuid=fa789d8c-1800-0000-02d6-f590ae0a0000 pid=2734->guuid=e041c78c-1800-0000-02d6-f590af0a0000 pid=2735 execve guuid=57d56f8e-1800-0000-02d6-f590b50a0000 pid=2741 /usr/bin/systemctl guuid=01ba4b8e-1800-0000-02d6-f590b40a0000 pid=2740->guuid=57d56f8e-1800-0000-02d6-f590b50a0000 pid=2741 execve guuid=1974a99a-1800-0000-02d6-f590cf0a0000 pid=2767 /tmp/sample.bin guuid=2826f290-1800-0000-02d6-f590bf0a0000 pid=2751->guuid=1974a99a-1800-0000-02d6-f590cf0a0000 pid=2767 clone guuid=9556ae9a-1800-0000-02d6-f590d00a0000 pid=2768 /tmp/sample.bin guuid=2826f290-1800-0000-02d6-f590bf0a0000 pid=2751->guuid=9556ae9a-1800-0000-02d6-f590d00a0000 pid=2768 clone guuid=58e275bb-1900-0000-02d6-f590940c0000 pid=3220->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=58e275bb-1900-0000-02d6-f590940c0000 pid=3220->54d92a3b-1447-55af-b534-047898c60c8d send: 185B 51a553e2-ae0e-5eda-9e98-aa9e45810237 151.242.30.13:12121 guuid=58e275bb-1900-0000-02d6-f590940c0000 pid=3220->51a553e2-ae0e-5eda-9e98-aa9e45810237 send: 8B
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842917 Sample: x86_64.elf Startdate: 01/01/2026 Architecture: LINUX Score: 68 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 151.242.30.13, 12121, 49866 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 daisy.ubuntu.com 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Gafgyt 2->41 43 Sample is packed with UPX 2->43 8 x86_64.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 x86_64.elf sh 8->13         started        15 x86_64.elf sh 8->15         started        17 x86_64.elf 8->17         started        19 2 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started        25 x86_64.elf 17->25         started        27 x86_64.elf 17->27         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-31 22:58:13 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
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
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 13b9d9fdd233c9ae6f61ddb0c52d724982a277ccfffa12f2d729d8b4482756a1

(this sample)

Comments