MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbe3a6c52c6e77be2999464e3c74c206cf20f6f077c919caf74a5c966ab5e0ab. 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 2 File information Comments

SHA256 hash: fbe3a6c52c6e77be2999464e3c74c206cf20f6f077c919caf74a5c966ab5e0ab
SHA3-384 hash: 20c021ae1b281b002ad94b5f4e3db33300281955e637dddfafc4038b1ad29379171cc95229d4b1a4d6741e6d35d91a0e
SHA1 hash: 53c102836145cabbde52febff2a67fb020d6e047
MD5 hash: ea2d4a85c5c76eb057ba23af85717a5b
humanhash: virginia-don-mars-twenty
File name:arm5
Download: download sample
Signature Mirai
File size:111'988 bytes
First seen:2025-12-17 18:23:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+DXaDkudkujpM2dg0lr/X5UQy24twtuAI8VH/zISngZbxN9EOef+dnVqngHwGdwA:+DDcjt11y32dzISngHNC+vqyGA
TLSH T124B32A52BC919612C5D7237BFA6E028D372663A8D3EE3207CD215F25378A85F0E7B641
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T15:39:00Z UTC
Last seen:
2025-12-18T12:48:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=1a018b04-1b00-0000-a1dd-de14680c0000 pid=3176 /usr/bin/sudo guuid=93380907-1b00-0000-a1dd-de146e0c0000 pid=3182 /tmp/sample.bin guuid=1a018b04-1b00-0000-a1dd-de14680c0000 pid=3176->guuid=93380907-1b00-0000-a1dd-de146e0c0000 pid=3182 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835250 Sample: arm5.elf Startdate: 17/12/2025 Architecture: LINUX Score: 92 76 boberkurwa.phoneparts.icu 89.32.41.172, 32465, 39062, 39064 HOSTMAZEHOSTMAZERO Romania 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Yara detected Mirai 2->80 82 Connects to many ports of the same IP (likely port scanning) 2->82 8 arm5.elf 2->8         started        12 systemd arm5.elf 2->12         started        14 systemd arm5.elf 2->14         started        16 19 other processes 2->16 signatures3 process4 file5 62 /var/spool/cron/root, ASCII 8->62 dropped 64 /var/spool/cron/crontabs/root, ASCII 8->64 dropped 66 /root/.bashrc, ASCII 8->66 dropped 74 3 other malicious files 8->74 dropped 88 Sample tries to persist itself using /etc/profile 8->88 90 Drops files in suspicious directories 8->90 92 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 8->92 94 Sample tries to persist itself using cron 8->94 18 arm5.elf sh 8->18         started        20 arm5.elf sh 8->20         started        28 21 other processes 8->28 96 Sample tries to persist itself using System V runlevels 12->96 22 arm5.elf sh 12->22         started        24 arm5.elf sh 12->24         started        30 17 other processes 12->30 26 arm5.elf sh 14->26         started        32 14 other processes 14->32 68 /etc/rcS.d/S99sysinit, POSIX 16->68 dropped 70 /etc/init.d/S99sysinit, POSIX 16->70 dropped 72 /etc/network/if-up.d/sysinit, POSIX 16->72 dropped 34 104 other processes 16->34 signatures6 process7 process8 36 2 other processes 18->36 39 2 other processes 20->39 42 2 other processes 22->42 44 2 other processes 24->44 46 2 other processes 26->46 48 23 other processes 28->48 50 17 other processes 30->50 52 13 other processes 32->52 54 95 other processes 34->54 file9 56 /usr/bin/sysinit, ELF 39->56 dropped 58 /usr/sbin/sysinit, ELF 44->58 dropped 60 /usr/lib/libsysinit.so, ELF 46->60 dropped 84 Writes identical ELF files to multiple locations 46->84 86 Drops files in suspicious directories 50->86 signatures10
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-17 18:24:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:wicked
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136015-0
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:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 fbe3a6c52c6e77be2999464e3c74c206cf20f6f077c919caf74a5c966ab5e0ab

(this sample)

  
Delivery method
Distributed via web download

Comments