MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb27508d9ac97f0ca11a286b64d60cbb16243c824c6f5cfc75576a270fd833eb. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb27508d9ac97f0ca11a286b64d60cbb16243c824c6f5cfc75576a270fd833eb
SHA3-384 hash: dedaa79be1ba883554b400d677b16e2b906eb8efcd511b26ffa85241860953a8c22dc2d4ab5d9c543cc4470a5a3372be
SHA1 hash: f5cedab28e6a923c25d6853880612fa704db6318
MD5 hash: 073eed477f6387203d0f8159c0f3ae90
humanhash: carolina-yellow-avocado-hydrogen
File name:bot.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:179'805 bytes
First seen:2025-04-20 14:59:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:HK/lcuNbBLbcBCkoajwdyqkk4/T/6EBpVu/hJjogM/RHWT+M:HK/XBLbEloajwdybkwRB7u/XMgM/RHWL
TLSH T199042A46EA404B13C0D627B5F6DF42453333ABA497EB73069628ABF43F8679E4F22505
telfhash t18c3112a19679512a5da1ec68edda57b2501a56172350bf33df21c0cc380a44ff527c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a75dd62515d52472d1bc732109342df8e5e784cb9276eb107d99f03b370b38ce
File size (compressed) :67'328 bytes
File size (de-compressed) :179'805 bytes
Format:linux/arm
Packed file: a75dd62515d52472d1bc732109342df8e5e784cb9276eb107d99f03b370b38ce

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

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

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68050bfe2203b3e10cd1e5eclinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Sends data to a server
Deletes a system binary file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash gcc lolbin masquerade remote
Link:
https://www.filescan.io/uploads/68050bfce9c1e257979dc9f6/reports/c7654d7e-23f2-47ec-866c-548c25716821/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb0588f4-d682-452e-9d07-226b6afd916a
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1669869
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669869 Sample: bot.arm7.elf Startdate: 20/04/2025 Architecture: LINUX Score: 92 14 ddwall.duckdns.org 2->14 16 Malicious sample detected (through community Yara rule) 2->16 18 Antivirus / Scanner detection for submitted sample 2->18 20 Multi AV Scanner detection for submitted file 2->20 24 2 other signatures 2->24 8 bot.arm7.elf 2->8         started        signatures3 22 Uses dynamic DNS services 14->22 process4 process5 10 bot.arm7.elf 8->10         started        process6 12 bot.arm7.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb27508d9ac97f0ca11a286b64d60cbb16243c824c6f5cfc75576a270fd833eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb27508d9ac97f0ca11a286b64d60cbb16243c824c6f5cfc75576a270fd833eb/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-20 15:00:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mtvbdm2zf7qzii2fbvwjvqmxmlcipecjrxvz7dvk5vcod6ygpvq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/250420-sdd2ra1rz8/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Malware Config
C2 Extraction:
ddwall.duckdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/fb27508d9ac97f0ca11a286b64d60cbb16243c824c6f5cfc75576a270fd833eb

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a75dd62515d52472d1bc732109342df8e5e784cb9276eb107d99f03b370b38ce

Mirai

elf fb27508d9ac97f0ca11a286b64d60cbb16243c824c6f5cfc75576a270fd833eb

(this sample)

  
Dropped by
SHA256 a75dd62515d52472d1bc732109342df8e5e784cb9276eb107d99f03b370b38ce
  
Dropped by
MD5 812493dc8be44f3afed0a6880c028466
  
URLhaus
https://urlhaus.abuse.ch/url/3519778/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3519811/

Comments