MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cca9f1d57e49da2c594217f582eac93e2c856b334723a8f4ac9ff598c79b0ec1. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: cca9f1d57e49da2c594217f582eac93e2c856b334723a8f4ac9ff598c79b0ec1
SHA3-384 hash: 9ae949c20977b712ea728e7fdf5d025384b2db952189540184c77bcf7dcaaae17f1e3c7c0967be0f6415c8fde239d78c
SHA1 hash: 6db8431f53e7bc2fc82b997cd729d197ea97c56e
MD5 hash: cbb0dd682e7bf927649df6b204ee4dd0
humanhash: magnesium-iowa-sixteen-sodium
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
File size:389'452 bytes
First seen:2025-09-20 03:27:34 UTC
Last seen:2025-09-21 03:00:15 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:2JNhl88EstNrl7Od3o+jLHyajpRCJjQYVmUjZvXxe1XC26M/0qNFe5vZLHsWRSzV:2JNh+8T7q3oCyz9oS2OqmH1RLDnyjJQU
TLSH T1CF84D51E6A719F3DF7A8C73447B38B30D79923E216E0CA45E16CE1111E6025E686FF68
telfhash t1414102180eb817b851256c5d485cff2a96e334df3e1b2c279a50d45ee76ef838c25d09
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Opens a port
Deleting a recently created file
Kills processes
Creating a file in the %temp% directory
Creates directories in a temporary directory
Sends data to a server
Deletes a file
Runs as daemon
Connection attempt
Receives data from a server
Creating a file
Collects information on the network activity
Mounts file systems
Substitutes an application name
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
59
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-20T01:42:00Z UTC
Last seen:
2025-09-20T01:42:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=dcd97742-1600-0000-cfb4-305e0d0e0000 pid=3597 /usr/bin/sudo guuid=9cf8f244-1600-0000-cfb4-305e150e0000 pid=3605 /tmp/sample.bin guuid=dcd97742-1600-0000-cfb4-305e0d0e0000 pid=3597->guuid=9cf8f244-1600-0000-cfb4-305e150e0000 pid=3605 execve guuid=3726c746-1600-0000-cfb4-305e1f0e0000 pid=3615 /usr/bin/dash guuid=9cf8f244-1600-0000-cfb4-305e150e0000 pid=3605->guuid=3726c746-1600-0000-cfb4-305e1f0e0000 pid=3615 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
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 Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781083 Sample: mips.urbotnetisass.elf Startdate: 20/09/2025 Architecture: LINUX Score: 96 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 109.202.202.202, 80 INIT7CH Switzerland 2->68 70 2 other IPs or domains 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Yara detected Gafgyt 2->74 76 Yara detected Mirai 2->76 10 mips.urbotnetisass.elf 2->10         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 484 other processes 2->18 signatures3 process4 file5 52 /root/.bashrc, ASCII 10->52 dropped 54 /etc/rc.local, POSIX 10->54 dropped 56 /etc/profile, ASCII 10->56 dropped 58 /etc/crontab, ASCII 10->58 dropped 80 Sample tries to persist itself using /etc/profile 10->80 82 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 10->82 84 Sample tries to persist itself using cron 10->84 86 Sample tries to persist itself using System V runlevels 10->86 20 mips.urbotnetisass.elf 10->20         started        signatures6 process7 file8 44 /_dev_shm_.6245_librt.so.1, ELF 20->44 dropped 46 /_dev_shm_.6245_libpthread.so.0, ELF 20->46 dropped 48 /_dev_shm_.6245_libm.so.6, ELF 20->48 dropped 50 6 other malicious files 20->50 dropped 78 Writes identical ELF files to multiple locations 20->78 24 mips.urbotnetisass.elf 20->24         started        26 mips.urbotnetisass.elf 20->26         started        28 mips.urbotnetisass.elf 20->28         started        signatures9 process10 process11 30 mips.urbotnetisass.elf 24->30         started        34 mips.urbotnetisass.elf 26->34         started        36 mips.urbotnetisass.elf 28->36         started        file12 60 /tmp/.taunt, POSIX 30->60 dropped 62 /tmp/.mock, POSIX 30->62 dropped 64 /tmp/.broken_shell, POSIX 30->64 dropped 88 Deletes system log files 30->88 38 mips.urbotnetisass.elf 30->38         started        40 mips.urbotnetisass.elf 30->40         started        42 mips.urbotnetisass.elf 30->42         started        signatures13 process14
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-20 03:28:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Writes file to system bin folder
Deletes system logs
Modifies Watchdog functionality
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: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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf cca9f1d57e49da2c594217f582eac93e2c856b334723a8f4ac9ff598c79b0ec1

(this sample)

  
Delivery method
Distributed via web download

Comments