MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c78671b22a890c1ba1dbddb516ac0a19b51f96c952249db60085b06bd98c88d4. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: c78671b22a890c1ba1dbddb516ac0a19b51f96c952249db60085b06bd98c88d4
SHA3-384 hash: 15123c9fec0a624a56c17df09a0d4194b289985c69af8cf46ec90dd337bf967cd95416c6ffc90ef7412fe5907dffc8f5
SHA1 hash: fdbb9790228df9a6c928ecc53159f887c265495b
MD5 hash: 62f9185f76163bae5b7acc2a3ae16db8
humanhash: early-robin-oscar-grey
File name:arm7
Download: download sample
Signature Mirai
File size:52'532 bytes
First seen:2025-12-04 02:22:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CO5t+h93nnVdbVf5zUwnLluKjklzj8zBLF8:C0K93jVn/Ilzj8tLF8
TLSH T13833026DDF937C36AF322E73C9B9504FA116AF29859B32A7132A0B5016E24C03FE41D5
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) :52'532 bytes
File size (de-compressed) :128'900 bytes
Format:linux/arm
Unpacked file: ae8ac1844ca139174bfbb6c0fdcd65f770c2bbcac933da5c2f63dd88d1a5d665

Intelligence


File Origin
# of uploads :
1
# of downloads :
26
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Changes access rights for a file
Deleting a recently created file
Sends data to a server
Launching a process
Removes directories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
Elf
First seen:
2025-12-03T21:17:00Z UTC
Last seen:
2025-12-03T21:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
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: 1826008 Sample: arm7.elf Startdate: 04/12/2025 Architecture: LINUX Score: 60 38 151.242.30.13, 12121, 60868, 60870 RASANAIR Iran (ISLAMIC Republic Of) 2->38 40 34.254.182.186, 443, 54646 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 cut 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 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 arm7.elf 19->28         started        30 arm7.elf 19->30         started        32 sh 21->32         started        34 sh 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:
2025-12-04 01:24:04 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 journal logs
Modifies Watchdog functionality
Deletes Audit logs
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 c78671b22a890c1ba1dbddb516ac0a19b51f96c952249db60085b06bd98c88d4

(this sample)

  
Delivery method
Distributed via web download

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