MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
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SHA256 hash: fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09
SHA3-384 hash: 64364458db50ea9ce50708b421341ca163214bf7d5b7c985e551829cc30ccdf1a8b0053a255fe7de2f8401e01b1ed107
SHA1 hash: e13470a820dca0ed053c1e92e0e980498ed8f998
MD5 hash: 0b0daaaf2827aeb716d863c2478063a4
humanhash: hawaii-friend-summer-sweet
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:81'176 bytes
First seen:2025-12-23 21:25:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ELZWikqzzFG5nq1T1RdJ6TikwvQKSAmbgY29Pw/e4d/xuUwbZnUB:ELcikq6IVJQDwI7AmbP/xbwbZnU
TLSH T14E834A41FD819A12CAC52377FB6E028D332663E8D2EF72139D216F11B7C691B0E6B552
telfhash t1c351cefacb751a9c57d8c3c0818e72284ffd39a51f4524b1ce1d9b4f8587243716e822
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/a041ba4d-5762-4c28-8e78-e85f0535c9ae/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/694b08d3a7163552ba045bcb/reports/8b9e16f6-fb49-44ce-a9ac-f1d533daf74b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-23T18:49:00Z UTC
Last seen:
2025-12-24T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d314610d-a70c-4208-9ff9-06555e54700e
Behavior Graph:
Download SVG
%3 guuid=bcfc876f-1d00-0000-de90-e089e30b0000 pid=3043 /usr/bin/sudo guuid=7b476072-1d00-0000-de90-e089ec0b0000 pid=3052 /tmp/sample.bin guuid=bcfc876f-1d00-0000-de90-e089e30b0000 pid=3043->guuid=7b476072-1d00-0000-de90-e089ec0b0000 pid=3052 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a159bf2-c8f8-4937-b779-fcfd6fab9382
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1838520
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838520 Sample: arm5.elf Startdate: 23/12/2025 Architecture: LINUX Score: 96 26 alanbotnet.dpdns.org 107.174.76.246, 49780, 55650 AS-COLOCROSSINGUS United States 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 2 other signatures 2->34 8 arm5.elf 2->8         started        11 xfce4-panel wrapper-2.0 2->11         started        13 gnome-session-binary sh gsd-media-keys 2->13         started        15 5 other processes 2->15 signatures3 process4 signatures5 38 Sample deletes itself 8->38 17 arm5.elf 8->17         started        19 wrapper-2.0 xfpm-power-backlight-helper 11->19         started        process6 process7 21 arm5.elf 17->21         started        24 arm5.elf 17->24         started        signatures8 36 Sample tries to kill multiple processes (SIGKILL) 21->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 21:26:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7r23inujib3o65geh73ehs2q6ehm5getd4e7d6xkke4b2lkbfqeq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251223-z9v4gatnay/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/b6b6f027-0256-42e4-b494-b8aada9e4872
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 fc75b436894076ef74c43ff643cb50f10ece98931f09f1faea51381d2d412c09

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3741630/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3741649/

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