MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aca2256de68be264359106a4efafdf0d4622ded3702b5b573b68facbb89b7fcd. 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 10 File information Comments

SHA256 hash: aca2256de68be264359106a4efafdf0d4622ded3702b5b573b68facbb89b7fcd
SHA3-384 hash: de5bbf5539326cea412c05a6cf74323598a330beaffd634872b473e62cd9dcaf6dece39e48102f3b2d9450ef5f1da56f
SHA1 hash: 621ca4fd6613cd0e5e4f6dae48403d76c4c0e682
MD5 hash: 9921b212a086ae56dfbd5432c0a2b204
humanhash: pasta-mountain-emma-whiskey
File name:rebirth.arm7
Download: download sample
Signature Mirai
File size:191'876 bytes
First seen:2026-03-28 18:20:36 UTC
Last seen:2026-03-28 19:36:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:54Jvgwp1Lz1xIc1NJ5tHefmahEKHauOjwEzwzW6tA6rIvv72M/9ka6T:iJvTp1P1xISNJr+OahEKHauezwbIvvKr
TLSH T1CD144C46EA418A13C4D31B79BBAF424533339B64D7DB33069928BFB43F8669E4E27501
telfhash t1774164261e358a257f71ed6498fc6bf2451d47272a48ae22ef34c09c211a0b9f53bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand gafgyt gcc lolbin masquerade mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
11
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23,37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 74.125.250.129:19302
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-03-26T01:28:00Z UTC
Last seen:
2026-03-26T10:23:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=a4850c43-1700-0000-a254-0fcb670b0000 pid=2919 /usr/bin/sudo guuid=70568b44-1700-0000-a254-0fcb6b0b0000 pid=2923 /tmp/sample.bin guuid=a4850c43-1700-0000-a254-0fcb670b0000 pid=2919->guuid=70568b44-1700-0000-a254-0fcb6b0b0000 pid=2923 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-26 07:28:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Modifies Watchdog functionality
Renames itself
Contacts a large (51990) amount of remote hosts
Creates a large amount of network flows
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_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

File information


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

Web download

Mirai

elf aca2256de68be264359106a4efafdf0d4622ded3702b5b573b68facbb89b7fcd

(this sample)

  
Delivery method
Distributed via web download

Comments