MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40d00084f2b7de7835a2c9201caa013731b274fd5b57b2ffbe85c4af79c85abb. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 40d00084f2b7de7835a2c9201caa013731b274fd5b57b2ffbe85c4af79c85abb
SHA3-384 hash: 67c6c5327b8ddddcb46442de61d1805f00d56179adafab39bc87a020180036d3f87ca3cb2740cb83e9529e33642c8563
SHA1 hash: 403f702a06af98221951a3419181d2ce8fc7afaa
MD5 hash: 83538a69e4d7be1f7295af69785eb5ce
humanhash: winter-zebra-football-ack
File name:ub8ehJSePAfc9FYqZIT6.arm
Download: download sample
Signature Mirai
File size:48'880 bytes
First seen:2026-01-18 18:56:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:t3fNI4FaanluQcnMwRpzxsaJFnKBQS2qXBeqDEw9c4+SdOviHq/GfnTNyus3Uoz+:7DwanlLcLxTJtS2qReq75uiH/x0z6t
TLSH T16C23F1159BFC2CF2C2F44631FA74CC05104A06B9A32F712BA2760F9C5969921676E7EF
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) :48'880 bytes
File size (de-compressed) :131'200 bytes
Format:linux/arm
Unpacked file: 23004ebc4e49badb42ddfc9af3aeea1d7210b0cfba6705c331e8018a522bc5d3

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=bf6d0fd7-1800-0000-31f5-9b19a70d0000 pid=3495 /usr/bin/sudo guuid=f80d30d9-1800-0000-31f5-9b19ab0d0000 pid=3499 /tmp/sample.bin guuid=bf6d0fd7-1800-0000-31f5-9b19a70d0000 pid=3495->guuid=f80d30d9-1800-0000-31f5-9b19ab0d0000 pid=3499 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852953 Sample: ub8ehJSePAfc9FYqZIT6.arm.elf Startdate: 18/01/2026 Architecture: LINUX Score: 52 21 109.202.202.202, 80 INIT7CH Switzerland 2->21 23 weifang.serveftp.com 45.83.207.173, 3778, 42962, 42964 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->23 25 3 other IPs or domains 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Sample is packed with UPX 2->29 7 ub8ehJSePAfc9FYqZIT6.arm.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        signatures3 process4 process5 13 ub8ehJSePAfc9FYqZIT6.arm.elf 7->13         started        15 ub8ehJSePAfc9FYqZIT6.arm.elf 7->15         started        17 ub8ehJSePAfc9FYqZIT6.arm.elf 7->17         started        19 2 other processes 7->19
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-18 18:56:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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 40d00084f2b7de7835a2c9201caa013731b274fd5b57b2ffbe85c4af79c85abb

(this sample)

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