MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324
SHA3-384 hash: ac373cb85c91bb232b01b613ab525390b52a5a7b3d3dfca3d782eff8843d115496f8c766b7b1caecf9f059c290c195af
SHA1 hash: 507f05ebc36210d31a84e6b759d6be4d3cf1f0e9
MD5 hash: 8eb2abff3cb3cfccff435823c2900eb7
humanhash: solar-cat-harry-summer
File name:arm7
Download: download sample
Signature Mirai
File size:51'072 bytes
First seen:2025-12-02 04:15:02 UTC
Last seen:2025-12-02 06:48:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:1h6h/yQoPlgetCttJV9xwLgq/S3HnBU3nMCCiQ34fdCMWbbKg0mdQI+Br7OYE9qM:Ch/lq+tJ/x0nyU3Mr4fdC//75AOYtLnS
TLSH T10533F1C26D876EA452B16172FE242F8A33C6BC6EC6B6F8210C34455D3C4A5961BBA1C7
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) :51'072 bytes
File size (de-compressed) :125'716 bytes
Format:linux/arm
Unpacked file: c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3

Intelligence


File Origin
# of uploads :
2
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824107 Sample: arm7.elf Startdate: 02/12/2025 Architecture: LINUX Score: 60 38 151.242.30.13, 12121, 42432, 42434 RASANAIR Iran (ISLAMIC Republic Of) 2->38 40 34.254.182.186, 443 AMAZON-02US United States 2->40 42 2 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Sample is packed with UPX 2->46 8 arm7.elf 2->8         started        11 dash rm 2->11         started        13 dash cat 2->13         started        15 9 other processes 2->15 signatures3 process4 file5 36 /usr/local/bin/infinitd, ELF 8->36 dropped 17 arm7.elf 8->17         started        19 arm7.elf sh 8->19         started        21 arm7.elf sh 8->21         started        23 3 other processes 8->23 process6 process7 25 arm7.elf 17->25         started        28 sh 19->28         started        30 sh 21->30         started        32 arm7.elf 23->32         started        34 arm7.elf 23->34         started        signatures8 48 Manipulation of devices in /dev 25->48 50 Deletes system log files 25->50
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-02 04:15:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324

(this sample)

Comments