MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66364f797f34aa8aa106ea571a6ad3269b87270418c9df14eac6fd772b72fd7a. 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 5 File information Comments

SHA256 hash: 66364f797f34aa8aa106ea571a6ad3269b87270418c9df14eac6fd772b72fd7a
SHA3-384 hash: 13d4f8e759d10a2e65a9c4c0eacc05763d97cc8242718c6949a3a9860ea8fdabfbbcb5baae9209ad40f1abb3ec52adb7
SHA1 hash: 1b7a53386c2cfb7c01df4119db86725c9da2436b
MD5 hash: d79474596b86371ae6fd764e96eb7a1c
humanhash: august-november-charlie-leopard
File name:b3astmode.arm7
Download: download sample
Signature Mirai
File size:46'756 bytes
First seen:2025-08-30 03:28:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ySIZlJO40P6sMM5rardRkv4CHrYlZiF5OBbJ9q3UELGTYAcSBj80cGaNtkPG2MS:GlY4/sp+rETGZizOILtAtN4yNR
TLSH T18123F1668B4A58E3E660ACB757254CFD69810ABDF21B73F553180F8427C226707D94F3
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) :46'756 bytes
File size (de-compressed) :123'001 bytes
Format:linux/arm
Unpacked file: de0123c67578429a80a96f03188d51074f15ed3f5949e29c90f55b96bf39f145

Intelligence


File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Opens a port
Kills critical processes
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
49
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
5501,37215
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 31.25.11.228:34241
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=8c4648c0-1800-0000-a088-0cf45c0c0000 pid=3164 /usr/bin/sudo guuid=f00c57c2-1800-0000-a088-0cf45e0c0000 pid=3166 /tmp/sample.bin guuid=8c4648c0-1800-0000-a088-0cf45c0c0000 pid=3164->guuid=f00c57c2-1800-0000-a088-0cf45e0c0000 pid=3166 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1768021 Sample: b3astmode.arm7.elf Startdate: 30/08/2025 Architecture: LINUX Score: 64 24 197.241.192.252 movicel-asAO Angola 2->24 26 102.147.93.221, 37215 ZAIN-ZAMBIAZM Zambia 2->26 28 98 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Uses known network protocols on non-standard ports 2->34 36 Sample is packed with UPX 2->36 8 b3astmode.arm7.elf 2->8         started        signatures3 process4 process5 10 b3astmode.arm7.elf 8->10         started        12 b3astmode.arm7.elf 8->12         started        14 b3astmode.arm7.elf 8->14         started        process6 16 b3astmode.arm7.elf 10->16         started        18 b3astmode.arm7.elf 10->18         started        20 b3astmode.arm7.elf 10->20         started        22 b3astmode.arm7.elf 10->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-30 03:30:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unst botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (69581) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9792837-0
YARA:
n/a
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 66364f797f34aa8aa106ea571a6ad3269b87270418c9df14eac6fd772b72fd7a

(this sample)

  
Delivery method
Distributed via web download

Comments