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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef549f315d3af072ff7db4c7f65cdf1e7a9b30bb3a0143a6f9ef7b2d2dc2ffec. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash: ef549f315d3af072ff7db4c7f65cdf1e7a9b30bb3a0143a6f9ef7b2d2dc2ffec
SHA3-384 hash: 25026b64da69b9461e4c26e2d785ff320891ad8db220691d587ca573bb8ab89ad2e666b96a783870466ba69365b39532
SHA1 hash: dd8181724c41ad61bbc221a9259ff4e4f39c1960
MD5 hash: cc819168f01c2089dfd03d5a1279bf77
humanhash: virginia-nevada-purple-romeo
File name:x86_64
Download: download sample
Signature Mirai
File size:130'040 bytes
First seen:2026-10-09 23:15:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:YdZtnvckwIItkstqH0rZfvnTd3WghgXLbvuLZc8CoOCBp39:Y9nvckutks4H0NHTUg0LbW68CGBp39
TLSH T1C2D34902B5C488FEC0C6D1748BAFD1279A72F89522343A4F67957F712E2EE21670E751
telfhash t179510fb12b993d6432c7671a7345ee32e8720a9404e9b1d99e7364d4de327840ef10e2
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e418b4967252c02d7c698a966946fed4dd2f862cdff5b9975a0ae30a1f639395
File size (compressed) :63'556 bytes
File size (de-compressed) :130'040 bytes
Format:linux/amd64
Packed file: e418b4967252c02d7c698a966946fed4dd2f862cdff5b9975a0ae30a1f639395

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Manages services
Launching a process
Connection attempt
Runs as daemon
Changes the time when the file was created, accessed, or modified
Sets a written file as executable
Changes access rights for a written file
Mounts file systems
Creating a file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand golang lolbin
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
70
Number of processes launched:
14
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.64.le
First seen:
2026-10-09T21:32:00Z UTC
Last seen:
2026-10-10T01:59:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=84f9b8b9-1c00-0000-84c4-35cf28090000 pid=2344 /usr/bin/sudo guuid=75e090bb-1c00-0000-84c4-35cf2e090000 pid=2350 /tmp/sample.bin net guuid=84f9b8b9-1c00-0000-84c4-35cf28090000 pid=2344->guuid=75e090bb-1c00-0000-84c4-35cf2e090000 pid=2350 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=75e090bb-1c00-0000-84c4-35cf2e090000 pid=2350->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 504b77a7-fc96-5635-bdb1-3e086b52caf9 127.0.0.1:8345 guuid=75e090bb-1c00-0000-84c4-35cf2e090000 pid=2350->504b77a7-fc96-5635-bdb1-3e086b52caf9 con guuid=f5da55f7-1c00-0000-84c4-35cfbc090000 pid=2492 /tmp/sample.bin zombie guuid=75e090bb-1c00-0000-84c4-35cf2e090000 pid=2350->guuid=f5da55f7-1c00-0000-84c4-35cfbc090000 pid=2492 clone guuid=027f6ff7-1c00-0000-84c4-35cfbd090000 pid=2493 /tmp/sample.bin guuid=f5da55f7-1c00-0000-84c4-35cfbc090000 pid=2492->guuid=027f6ff7-1c00-0000-84c4-35cfbd090000 pid=2493 clone guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494 /tmp/sample.bin delete-file net write-config write-file guuid=027f6ff7-1c00-0000-84c4-35cfbd090000 pid=2493->guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494 clone c89879ea-e323-5ddf-aafa-e03018d8dc55 217.60.103.135:35342 guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->c89879ea-e323-5ddf-aafa-e03018d8dc55 con guuid=845da2f7-1c00-0000-84c4-35cfc0090000 pid=2496 /tmp/sample.bin guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=845da2f7-1c00-0000-84c4-35cfc0090000 pid=2496 clone guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497 /tmp/sample.bin write-config write-file guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497 clone guuid=d139b0f7-1c00-0000-84c4-35cfc2090000 pid=2498 /tmp/sample.bin guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=d139b0f7-1c00-0000-84c4-35cfc2090000 pid=2498 clone guuid=948de7f7-1c00-0000-84c4-35cfc3090000 pid=2499 /usr/bin/dash guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=948de7f7-1c00-0000-84c4-35cfc3090000 pid=2499 execve guuid=8fcb935d-1d00-0000-84c4-35cf640a0000 pid=2660 /usr/bin/dash guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=8fcb935d-1d00-0000-84c4-35cf640a0000 pid=2660 execve guuid=0d6abcc0-1d00-0000-84c4-35cfe90a0000 pid=2793 /usr/bin/dash guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=0d6abcc0-1d00-0000-84c4-35cfe90a0000 pid=2793 execve guuid=54e76a1d-1e00-0000-84c4-35cf6c0b0000 pid=2924 /usr/bin/dash guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=54e76a1d-1e00-0000-84c4-35cf6c0b0000 pid=2924 execve guuid=2175bc1d-1e00-0000-84c4-35cf6d0b0000 pid=2925 /usr/bin/dash guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=2175bc1d-1e00-0000-84c4-35cf6d0b0000 pid=2925 execve guuid=1efaef1d-1e00-0000-84c4-35cf6e0b0000 pid=2926 /usr/bin/dash guuid=4ea176f7-1c00-0000-84c4-35cfbe090000 pid=2494->guuid=1efaef1d-1e00-0000-84c4-35cf6e0b0000 pid=2926 execve guuid=4f1a049a-1e00-0000-84c4-35cf750c0000 pid=3189 /usr/bin/chattr guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497->guuid=4f1a049a-1e00-0000-84c4-35cf750c0000 pid=3189 execve guuid=326da79a-1e00-0000-84c4-35cf770c0000 pid=3191 /usr/bin/busybox guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497->guuid=326da79a-1e00-0000-84c4-35cf770c0000 pid=3191 execve guuid=6c5cd29a-1e00-0000-84c4-35cf780c0000 pid=3192 /usr/bin/chattr guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497->guuid=6c5cd29a-1e00-0000-84c4-35cf780c0000 pid=3192 execve guuid=16d50f9b-1e00-0000-84c4-35cf7a0c0000 pid=3194 /usr/bin/busybox guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497->guuid=16d50f9b-1e00-0000-84c4-35cf7a0c0000 pid=3194 execve guuid=f162319b-1e00-0000-84c4-35cf7b0c0000 pid=3195 /usr/bin/chattr guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497->guuid=f162319b-1e00-0000-84c4-35cf7b0c0000 pid=3195 execve guuid=72056a9b-1e00-0000-84c4-35cf7c0c0000 pid=3196 /usr/bin/busybox guuid=cd9ea5f7-1c00-0000-84c4-35cfc1090000 pid=2497->guuid=72056a9b-1e00-0000-84c4-35cf7c0c0000 pid=3196 execve guuid=336923f8-1c00-0000-84c4-35cfc4090000 pid=2500 /usr/bin/systemctl guuid=948de7f7-1c00-0000-84c4-35cfc3090000 pid=2499->guuid=336923f8-1c00-0000-84c4-35cfc4090000 pid=2500 execve guuid=295a3c5e-1d00-0000-84c4-35cf660a0000 pid=2662 /usr/bin/systemctl guuid=8fcb935d-1d00-0000-84c4-35cf640a0000 pid=2660->guuid=295a3c5e-1d00-0000-84c4-35cf660a0000 pid=2662 execve guuid=e2f1e7c0-1d00-0000-84c4-35cfeb0a0000 pid=2795 /usr/sbin/update-rc.d guuid=0d6abcc0-1d00-0000-84c4-35cfe90a0000 pid=2793->guuid=e2f1e7c0-1d00-0000-84c4-35cfeb0a0000 pid=2795 execve guuid=76fd89c4-1d00-0000-84c4-35cff70a0000 pid=2807 /usr/bin/systemctl guuid=e2f1e7c0-1d00-0000-84c4-35cfeb0a0000 pid=2795->guuid=76fd89c4-1d00-0000-84c4-35cff70a0000 pid=2807 execve guuid=65911a1e-1e00-0000-84c4-35cf6f0b0000 pid=2927 /usr/bin/dash guuid=1efaef1d-1e00-0000-84c4-35cf6e0b0000 pid=2926->guuid=65911a1e-1e00-0000-84c4-35cf6f0b0000 pid=2927 clone guuid=1d692d1e-1e00-0000-84c4-35cf700b0000 pid=2928 /usr/bin/dash guuid=1efaef1d-1e00-0000-84c4-35cf6e0b0000 pid=2926->guuid=1d692d1e-1e00-0000-84c4-35cf700b0000 pid=2928 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-10-09 23:15:43 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
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:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:test_rule_vldslv
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:virustotal
Author:Tracel

File information


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

Web download

Mirai

elf ef549f315d3af072ff7db4c7f65cdf1e7a9b30bb3a0143a6f9ef7b2d2dc2ffec

(this sample)

  
Delivery method
Distributed via web download

Comments