MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9d6b20838cf34022d891984d6714b49825b06fac1e16c842d07baf3efb277a. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 1b9d6b20838cf34022d891984d6714b49825b06fac1e16c842d07baf3efb277a
SHA3-384 hash: e8e6813d0113a0e9f823081e56026dba2ca5cfb52a355c49efe8fa08817326accd82535f2491bc758abf84f51cfcb3da
SHA1 hash: 2804121d2984b0ba93935f4d2e384a151be778e5
MD5 hash: 90bef3fa1c89e9b089fb6075d810771e
humanhash: kilo-lima-autumn-thirteen
File name:johen.mips
Download: download sample
Signature Mirai
File size:43'288 bytes
First seen:2026-01-12 11:51:32 UTC
Last seen:2026-01-14 01:57:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:/VSrYS3JuIk8or7wskZ6BQucjRmHazJ1FzqoatCyZ5S2ZJGJgGlzDpbuR1JU:/8DY8oXwsbQucjY6zJ10Jtr82ZJyVJue
TLSH T1A713E16A221216E6EB41C0B015B64B693FD94FBBE004D51D3F96A5514B8F6F834B2CF3
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) :43'288 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mips
Unpacked file: 9ca3eac9866e0c3d0803caa4a3199b4eea98d54436653ce0727a78b67cba8f5e

Intelligence


File Origin
# of uploads :
5
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-11T05:21:00Z UTC
Last seen:
2026-01-13T23:44:00Z 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=74e0e52e-1a00-0000-dadc-2a5070060000 pid=1648 /usr/bin/sudo guuid=8ac6fa30-1a00-0000-dadc-2a5077060000 pid=1655 /tmp/sample.bin guuid=74e0e52e-1a00-0000-dadc-2a5070060000 pid=1648->guuid=8ac6fa30-1a00-0000-dadc-2a5077060000 pid=1655 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849057 Sample: johen.mips.elf Startdate: 12/01/2026 Architecture: LINUX Score: 60 22 botnet.rehannnap.my.id 202.1.31.174, 35986, 35988, 35990 WA-GOVERNMENT-AS-APWAGovernmentprojectAU unknown 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 daisy.ubuntu.com 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 johen.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 johen.mips.elf 8->12         started        14 johen.mips.elf 8->14         started        16 johen.mips.elf 8->16         started        process6 18 johen.mips.elf 12->18         started        20 johen.mips.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-11 08:26:48 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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: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 1b9d6b20838cf34022d891984d6714b49825b06fac1e16c842d07baf3efb277a

(this sample)

  
Delivery method
Distributed via web download

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