MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1253c77de47edfe92e3bbc2a3f33c4359dc9ca7f993a37e0448d96fa3dbe0ecf. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1253c77de47edfe92e3bbc2a3f33c4359dc9ca7f993a37e0448d96fa3dbe0ecf
SHA3-384 hash: 0e54e13410a72d08b8f81d6a33df07a6962339c8d320cb24e234c3947cd8428b85cb74eb9ad403389039afc576bb6fd4
SHA1 hash: 2f58030d05933f4135c3950f55781a59bfd9a05a
MD5 hash: beb6595d03d24b0c922373577bfeb69f
humanhash: grey-low-muppet-uniform
File name:arm7.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:129'096 bytes
First seen:2025-11-23 12:12:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QawQw2BifE46ELTxNmoO4afax2dNBna7zjivczLIakGH:QawnaivT3xNVO4afax2dN87zXzcakGH
TLSH T164C32A16B9519F01D4C735FAFB5E414933136BB8D3FA71029D20AF6123CA99B0FBA612
telfhash t1faf05cb6fc0412dc36d0a798d2cd56168ade724b1f1425f3cdac0b5f6151fca300880b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Opens a port
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/6922fa5bf96b58f0dc80c84a/reports/186d54f7-41e1-40e3-9e5f-dbf1a2608605/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
119
Number of processes launched:
78
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/1253c77de47edfe92e3bbc2a3f33c4359dc9ca7f993a37e0448d96fa3dbe0ecf
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.154.35.153:6969
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/87cc30b5-34d7-4403-b25f-821564981732
Behavior Graph:
Download SVG
%3 guuid=abb49869-1600-0000-4639-9f30f00c0000 pid=3312 /usr/bin/sudo guuid=8488656b-1600-0000-4639-9f30f80c0000 pid=3320 /tmp/sample.bin guuid=abb49869-1600-0000-4639-9f30f00c0000 pid=3312->guuid=8488656b-1600-0000-4639-9f30f80c0000 pid=3320 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819508
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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
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
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819508 Sample: arm7.uhavenobotsxd.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 99 141.227.165.166, 27016 TOTALFR France 2->99 101 94.154.35.153, 40680, 6969 SELECTELRU Ukraine 2->101 103 5 other IPs or domains 2->103 107 Multi AV Scanner detection for submitted file 2->107 11 arm7.uhavenobotsxd.elf 2->11         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 signatures5 131 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->131 18 arm7.uhavenobotsxd.elf 11->18         started        process6 file7 75 /var/spool/cron/root, ASCII 18->75 dropped 77 /var/spool/cron/crontabs/root, ASCII 18->77 dropped 79 /root/.bashrc, ASCII 18->79 dropped 81 7 other malicious files 18->81 dropped 109 Sample tries to set files in /etc globally writable 18->109 111 Sample tries to persist itself using /etc/profile 18->111 113 Drops files in suspicious directories 18->113 115 4 other signatures 18->115 22 arm7.uhavenobotsxd.elf sh 18->22         started        24 arm7.uhavenobotsxd.elf sh 18->24         started        26 arm7.uhavenobotsxd.elf sh 18->26         started        28 35 other processes 18->28 signatures8 process9 signatures10 31 sh S99llbv 22->31         started        33 sh .bb7u5j8k.sh 24->33         started        35 sh crontab 26->35         started        39 sh 26->39         started        133 Sample tries to kill a massive number of system processes 28->133 135 Sample tries to kill multiple processes (SIGKILL) 28->135 41 sh cp 28->41         started        43 sh cp 28->43         started        45 sh cp 28->45         started        47 33 other processes 28->47 process11 file12 49 S99llbv 31->49         started        51 S99llbv arm7.uhavenobotsxd.elf 31->51         started        54 .bb7u5j8k.sh arm7.uhavenobotsxd.elf 33->54         started        56 .bb7u5j8k.sh arm7.uhavenobotsxd.elf 33->56         started        58 .bb7u5j8k.sh arm7.uhavenobotsxd.elf 33->58         started        64 69 other processes 33->64 83 /var/spool/cron/crontabs/tmp.8YHHX2, ASCII 35->83 dropped 121 Sample tries to persist itself using cron 35->121 123 Executes the "crontab" command typically for achieving persistence 35->123 60 sh crontab 39->60         started        85 /usr/bin/tcksvpeg, ELF 41->85 dropped 125 Writes identical ELF files to multiple locations 41->125 127 Drops files in suspicious directories 41->127 87 /boot/.tcksvpeg, ELF 43->87 dropped 129 Drops invisible ELF files 43->129 89 /boot/.3h1gf64r, ELF 45->89 dropped 91 /var/log/.674ibrpp, ELF 47->91 dropped 93 /var/jbx/shared/.56rwasrc, ELF 47->93 dropped 95 /var/.gfv27d6c, ELF 47->95 dropped 97 4 other malicious files 47->97 dropped 62 sh arm7.uhavenobotsxd.elf 47->62         started        signatures13 process14 signatures15 66 S99llbv arm7.uhavenobotsxd.elf 49->66         started        69 S99llbv arm7.uhavenobotsxd.elf 49->69         started        71 S99llbv arm7.uhavenobotsxd.elf 49->71         started        73 75 other processes 49->73 117 Sample reads /proc/mounts (often used for finding a writable filesystem) 51->117 119 Executes the "crontab" command typically for achieving persistence 60->119 process16 signatures17 105 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->105
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1253c77de47edfe92e3bbc2a3f33c4359dc9ca7f993a37e0448d96fa3dbe0ecf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1253c77de47edfe92e3bbc2a3f33c4359dc9ca7f993a37e0448d96fa3dbe0ecf/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 12:13:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cjj4o7pep3p6slr3xqvd6m6egwo4tst7te5dpycerwlpupn6b3hq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251123-pdxmbagj2w/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ae60a6f4-25e8-433c-a107-204a2aac5957
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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 1253c77de47edfe92e3bbc2a3f33c4359dc9ca7f993a37e0448d96fa3dbe0ecf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686384/
  
Delivery method
Distributed via web download

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