MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57e333c23e06e6a4366ddbe4f8fffa3202b95f009d5c0505d932d4fe357ddf92. 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 4 File information Comments

SHA256 hash: 57e333c23e06e6a4366ddbe4f8fffa3202b95f009d5c0505d932d4fe357ddf92
SHA3-384 hash: 81b7ada23b77d3aad0d432a28afaf55c16e2fef4eb9bf8748f41cdaa2ecae3619f9d2ab368bf1cb51f9e0d79539f574e
SHA1 hash: a602b73b2805749281df5b947af039acc66177c9
MD5 hash: ae929c17339fcd86a61be0a5a8e9698b
humanhash: enemy-papa-charlie-shade
File name:arm5.uhavenobotsxd
Download: download sample
Signature Mirai
File size:99'540 bytes
First seen:2025-12-22 00:36:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Hj3EqudD4L+aSISKwy5yupFHxnoGEOpp4X7d43l0KFz/dOMlCWxnrz0MY079WSe2:H7EP2L+IPwaHxno6ppG7W10KxrrYMT1
TLSH T12DA34B92BD91DA12C6D162B7FB5E428C371713F8D3EB32039F256F21338A51A0E6B591
telfhash t10041d0b64f601aed37f4838582dd628885ed34f93b4064779b6cb72bd2439d2712e827
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 :
64
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T21:47:00Z UTC
Last seen:
2025-12-22T00:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Status:
terminated
Behavior Graph:
%3 guuid=1ff1af72-1900-0000-0d06-7333fb0a0000 pid=2811 /usr/bin/sudo guuid=0f5e4b75-1900-0000-0d06-7333020b0000 pid=2818 /tmp/sample.bin guuid=1ff1af72-1900-0000-0d06-7333fb0a0000 pid=2811->guuid=0f5e4b75-1900-0000-0d06-7333020b0000 pid=2818 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837339 Sample: arm5.uhavenobotsxd.elf Startdate: 22/12/2025 Architecture: LINUX Score: 96 77 91.108.9.115, 32000 TELEGRAMRU United Kingdom 2->77 79 185.221.21.123, 30120 SOLTIAES Spain 2->79 81 15 other IPs or domains 2->81 83 Multi AV Scanner detection for submitted file 2->83 11 arm5.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 89 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->89 14 arm5.uhavenobotsxd.elf 11->14         started        process6 file7 69 /var/spool/cron/root, ASCII 14->69 dropped 71 /var/spool/cron/crontabs/root, ASCII 14->71 dropped 73 /root/.bashrc, ASCII 14->73 dropped 75 8 other files (7 malicious) 14->75 dropped 103 Sample tries to set files in /etc globally writable 14->103 105 Sample tries to persist itself using /etc/profile 14->105 107 Drops files in suspicious directories 14->107 109 4 other signatures 14->109 18 arm5.uhavenobotsxd.elf sh 14->18         started        20 arm5.uhavenobotsxd.elf sh 14->20         started        22 arm5.uhavenobotsxd.elf sh 14->22         started        24 57 other processes 14->24 signatures8 process9 signatures10 27 sh S99network 18->27         started        29 sh crontab 20->29         started        33 sh 20->33         started        35 sh cp 22->35         started        87 Sample tries to kill multiple processes (SIGKILL) 24->87 37 sh rm 24->37         started        39 sh rm 24->39         started        41 sh killall 24->41         started        43 55 other processes 24->43 process11 file12 45 S99network 27->45         started        65 /var/spool/cron/crontabs/tmp.yT8bI9, ASCII 29->65 dropped 91 Sample tries to persist itself using cron 29->91 93 Executes the "crontab" command typically for achieving persistence 29->93 47 sh crontab 33->47         started        67 /usr/bin/.update, ELF 35->67 dropped 95 Drops invisible ELF files 35->95 97 Drops files in suspicious directories 35->97 99 Sample deletes itself 37->99 101 Terminates several processes with shell command 'killall' 41->101 50 .monitor 43->50         started        signatures13 process14 signatures15 52 S99network .update 45->52         started        55 S99network .update 45->55         started        57 S99network .update 45->57         started        63 45 other processes 45->63 111 Executes the "crontab" command typically for achieving persistence 47->111 59 .monitor .update 50->59         started        61 .monitor sleep 50->61         started        process16 signatures17 85 Sample reads /proc/mounts (often used for finding a writable filesystem) 52->85
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-22 00:37:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 57e333c23e06e6a4366ddbe4f8fffa3202b95f009d5c0505d932d4fe357ddf92

(this sample)

  
Delivery method
Distributed via web download

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