MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc8e5cffd7dd12080436c205564f09b950c32b2aeb61630d696cc18f4d651941. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: bc8e5cffd7dd12080436c205564f09b950c32b2aeb61630d696cc18f4d651941
SHA3-384 hash: 413446803200f4fecfb6171d2cc0f6547fdae945f91a2a475ee2d12500c686a4605b52a4b58d09e2e6ff8b6bdd3aad1e
SHA1 hash: d75a61f49489d83dcfaafb150b5e788fd87dfa0a
MD5 hash: 55b6494cd20f3c722cb842f9b52155b7
humanhash: maine-helium-lamp-eight
File name:x86_64.uhavenobotsxd
Download: download sample
Signature Mirai
File size:87'696 bytes
First seen:2025-11-22 20:58:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mWUToAwATNUua60Pqnq1+jmJY6R0+e9+bj7x:fuo+TK60PP1+jmhR0+pH1
TLSH T161835B06FAC0D4FCC889C379565FB171C572F42E1235712BD7C0FA267E9DA202B2A6A1
telfhash t11a310674399519a4a1fbbbb77342f2e449512ab004f23ae1cd3b99f2df973c50ca6051
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 :
45
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Kills processes
Sends data to a server
Launching a process
Receives data from a server
Creating a file
Changes the time when the file was created, accessed, or modified
Runs as daemon
Sets a written file as executable
Opens a port
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm mirai
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
44
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.154.35.153:6969
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-22T14:49:00Z UTC
Last seen:
2025-11-23T06:35:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819179 Sample: x86_64.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 92 60 94.154.35.153, 59724, 59726, 6969 SELECTELRU Ukraine 2->60 62 109.202.202.202, 80 INIT7CH Switzerland 2->62 64 2 other IPs or domains 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 10 x86_64.uhavenobotsxd.elf 2->10         started        signatures3 process4 signatures5 72 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->72 13 x86_64.uhavenobotsxd.elf 10->13         started        process6 file7 52 /var/spool/cron/root, ASCII 13->52 dropped 54 /var/spool/cron/crontabs/root, ASCII 13->54 dropped 56 /root/.bashrc, ASCII 13->56 dropped 58 6 other malicious files 13->58 dropped 82 Sample tries to set files in /etc globally writable 13->82 84 Sample tries to persist itself using /etc/profile 13->84 86 Drops files in suspicious directories 13->86 88 3 other signatures 13->88 17 x86_64.uhavenobotsxd.elf sh 13->17         started        19 x86_64.uhavenobotsxd.elf sh 13->19         started        21 x86_64.uhavenobotsxd.elf 13->21         started        23 x86_64.uhavenobotsxd.elf 13->23         started        signatures8 process9 process10 25 sh crontab 17->25         started        29 sh 17->29         started        31 sh cp 19->31         started        33 x86_64.uhavenobotsxd.elf sh 21->33         started        35 x86_64.uhavenobotsxd.elf sh 21->35         started        37 x86_64.uhavenobotsxd.elf sh 21->37         started        39 x86_64.uhavenobotsxd.elf sh 21->39         started        file11 48 /var/spool/cron/crontabs/tmp.FJzoDL, ASCII 25->48 dropped 74 Sample tries to persist itself using cron 25->74 76 Executes the "crontab" command typically for achieving persistence 25->76 41 sh crontab 29->41         started        50 /usr/bin/.sh, ELF 31->50 dropped 78 Drops invisible ELF files 31->78 80 Drops files in suspicious directories 31->80 44 sh 33->44         started        46 sh 35->46         started        signatures12 process13 signatures14 70 Executes the "crontab" command typically for achieving persistence 41->70
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-22 19:39:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
Creates a large amount of network flows
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 bc8e5cffd7dd12080436c205564f09b950c32b2aeb61630d696cc18f4d651941

(this sample)

  
Delivery method
Distributed via web download

Comments