MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108
SHA3-384 hash: 61620d9d5651b8cb925cef2898f2d01072b56518bb7941d01c2008b7f331db69217f6c13ed657cdcfebd644219ca077b
SHA1 hash: 766c2bb8cc801a701471039f89d80beb7d952e09
MD5 hash: b427b1cbb6989d4bff166b96f4d5fd3f
humanhash: lion-butter-black-nuts
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:74'524 bytes
First seen:2025-12-31 18:16:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:cd1/ZEm81p9MBqB2+E/+9M8HNgywcGsp/63WJoLhfBezLsOr:o/EmSMB1X+Ha6JGWWKzLs6
TLSH T1587302F2528BCDB1FF2F28359AED40C9AE224FF8A47C21135C749478A75952190F6807
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) :74'524 bytes
File size (de-compressed) :191'088 bytes
Format:linux/arm
Unpacked file: 5658ee908cecac7337162421878aad023e619e1e6d5e6d9a74354cd597425e1d

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c61bc053-3883-4b04-889c-b5df9be0f43a/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/695568ae148c21e830ef0789/reports/d6584ffb-53b0-41ec-8ad3-c41db8eabc9e/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T15:22:00Z UTC
Last seen:
2025-12-31T15:37:00Z 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
Link:
https://opentip.kaspersky.com/43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8d42c960-7b62-4541-b41c-89c79f530c61
Behavior Graph:
Download SVG
%3 guuid=6f46331c-1900-0000-dbe9-7b5a1c070000 pid=1820 /usr/bin/sudo guuid=ee08051f-1900-0000-dbe9-7b5a20070000 pid=1824 /tmp/sample.bin guuid=6f46331c-1900-0000-dbe9-7b5a1c070000 pid=1820->guuid=ee08051f-1900-0000-dbe9-7b5a20070000 pid=1824 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75fc6ead-e918-4826-939d-bf5f4f080176
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1842746
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842746 Sample: arm7.elf Startdate: 31/12/2025 Architecture: LINUX Score: 60 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 60886 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 2 other IPs or domains 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Gafgyt 2->41 43 Sample is packed with UPX 2->43 8 arm7.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 arm7.elf sh 8->15         started        17 arm7.elf sh 8->17         started        19 arm7.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 arm7.elf 19->27         started        29 arm7.elf 19->29         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 18:17:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ip7ivjgk2mp66hsdkot5z3pamxczlb7e4nx545yn2jyj3dbhgeea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/251231-wwpgzswmcm/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1ed62da0-6a78-4511-b856-5beb4bdf760d
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/43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 43fe8aa4cad31fef1e4353a7dcede065c59587e4e36fde770dd2709d8c273108

(this sample)

Mirai

elf 5658ee908cecac7337162421878aad023e619e1e6d5e6d9a74354cd597425e1d

  
URLhaus
https://urlhaus.abuse.ch/url/3722830/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5658ee908cecac7337162421878aad023e619e1e6d5e6d9a74354cd597425e1d
  
Dropping
MD5 f7bdfd8ca20c6b45e43e2e0b9f4da44b

Comments