MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a. 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 7 File information Comments
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SHA256 hash: 3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a
SHA3-384 hash: 7ee295fbb2a24638fab5f761c794302207611b9dc41a7975af2a5d5eb11a48d9d7cf240c41ceb0fc3ad76010583a4b64
SHA1 hash: 8e37a4f0ec77faf48760afe0b11195422656dce6
MD5 hash: 875c8bc49ad2e5340a8ff9f56295f124
humanhash: oklahoma-tennessee-tango-music
File name:johen.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:92'248 bytes
First seen:2026-01-12 11:52:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9ObuOZ1SDp7u1rGmF/fgcPrnyAsWkJ1/j4oYkv1M:9Obu0QpKhB7PryAkDd1M
TLSH T1FD934B45FC819612C6D5137BFB2E228E372663A8E2DE3203DE156F22338659B0D7B741
telfhash t17a5101b6ef910ecc2bd5928442ce702d4fed306d17053497d65c6b4f89539c2b12e827
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 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2
File size (compressed) :41'628 bytes
File size (de-compressed) :92'248 bytes
Format:linux/arm
Packed file: 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
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
Link:
https://research.acce.ciphertechsolutions.com/results/2adffa64-f1a0-4acb-9ae5-08d35742caa4/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/6964e0b81a20a4c87b1b5040/reports/bb550daa-cc37-4583-ac02-b2d0e6638295/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T10:07:00Z UTC
Last seen:
2026-01-12T11:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c4258a51-55cd-413c-b16a-c1966f58a156
Behavior Graph:
Download SVG
%3 guuid=8a382bd6-1800-0000-0175-81ae710b0000 pid=2929 /usr/bin/sudo guuid=930f48d8-1800-0000-0175-81ae750b0000 pid=2933 /tmp/sample.bin guuid=8a382bd6-1800-0000-0175-81ae710b0000 pid=2929->guuid=930f48d8-1800-0000-0175-81ae750b0000 pid=2933 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/979b1cfe-2ac0-4652-a0df-c478e7f32970
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1849037
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849037 Sample: johen.arm.elf Startdate: 12/01/2026 Architecture: LINUX Score: 64 26 botnet.rehannnap.my.id 202.1.31.174, 35286, 35288, 35290 WA-GOVERNMENT-AS-APWAGovernmentprojectAU unknown 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 3 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 johen.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 9 other processes 2->14 signatures3 process4 process5 16 johen.arm.elf 8->16         started        18 johen.arm.elf 8->18         started        20 johen.arm.elf 8->20         started        process6 22 johen.arm.elf 16->22         started        24 johen.arm.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 11:53:33 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=h6bfljixdxmdyly5rxw5wime64yo5duu4pvww7tgljuit6kw7yna._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260112-n2j6fsez4b/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1e4f1f2d-94ad-4674-9cda-eb87b8ab07be
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/3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2

Mirai

elf 3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a

(this sample)

  
Dropped by
SHA256 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2
  
URLhaus
https://urlhaus.abuse.ch/url/3756742/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3756760/
  
Dropped by
MD5 23bcda3564bc2adba4713f6ada1ea2a5
  
URLhaus
https://urlhaus.abuse.ch/url/3757230/

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