MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86a89d23fc74b81cb10aee961f4f21d5e91bb72156223155bbfd8ba4c2b727d2. 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 8 File information Comments

SHA256 hash: 86a89d23fc74b81cb10aee961f4f21d5e91bb72156223155bbfd8ba4c2b727d2
SHA3-384 hash: 6daa012deb2f9f7e30705b1af83139a6b673a45910c5f9f24bed52be842e6a441b3ace0f48666b227b08a141d2f8cf1a
SHA1 hash: fd0108f2b839feb219a9e838d59d30bb9a6a4bff
MD5 hash: 66cb7084d9bbc5e869bd0a7756e320cb
humanhash: romeo-island-lactose-utah
File name:arm
Download: download sample
Signature Mirai
File size:585'384 bytes
First seen:2026-01-28 21:07:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:XxgPh3K7L5134bXcJKYWr//AsmW8pYJizsncKbcmd+LK:Eh3i4LGfWr/nncKImd+L
TLSH T100C4BE63F2252E43C4E3923F1567C264937BDA5513918702A70BF6BC3DDA66A8F1A3C4
telfhash t10e11574088b4de15a7d2cbe9aaee718369914e02172c2fb355b4496e89204f7c17b8db
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Receives data from a server
Launching a process
Sends data to a server
Sets a written file as executable
Creating a file
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Writes files to system directory
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=ead4dbba-1600-0000-8324-93e2e5100000 pid=4325 /usr/bin/sudo guuid=cc41bfbc-1600-0000-8324-93e2ee100000 pid=4334 /tmp/sample.bin guuid=ead4dbba-1600-0000-8324-93e2e5100000 pid=4325->guuid=cc41bfbc-1600-0000-8324-93e2ee100000 pid=4334 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859440 Sample: arm.elf Startdate: 28/01/2026 Architecture: LINUX Score: 52 22 209.13.115.28 TelefonicadeArgentinaAR Argentina 2->22 24 76.15.196.37 TWC-12271-NYCUS United States 2->24 26 98 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 9 arm.elf 2->9         started        signatures3 process4 signatures5 30 Sample deletes itself 9->30 12 arm.elf 9->12         started        14 arm.elf sh 9->14         started        process6 process7 16 arm.elf 12->16         started        process8 18 arm.elf 16->18         started        20 arm.elf 16->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-28 21:08:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery exection persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
File and Directory Permissions Modification
Deletes itself
Contacts a large (634147) amount of remote hosts
Creates a large amount of network flows
Modifies the dynamic linker configuration 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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_LNX_Base64_Exec_Apr24
Author:Christian Burkard
Description:Detects suspicious base64 encoded shell commands (as seen in Palo Alto CVE-2024-3400 exploitation)
Reference:Internal Research
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 86a89d23fc74b81cb10aee961f4f21d5e91bb72156223155bbfd8ba4c2b727d2

(this sample)

  
Delivery method
Distributed via web download

Comments