MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5681f7a57356b2898d90618b5c3791e4ced8fc86fded06805c346615fd1dfac6. 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 6 File information Comments

SHA256 hash: 5681f7a57356b2898d90618b5c3791e4ced8fc86fded06805c346615fd1dfac6
SHA3-384 hash: b8730be92a8b6e31f5e1824ceb68700b988c1d5188d10263011a8bc8c15b3bee26bce9f6c1cb089034f8681f871a628e
SHA1 hash: 6ccba637c8ee7820be537c4d14f35cf015d54453
MD5 hash: 08e536f7f30cb7ddb5346e0015346222
humanhash: nine-utah-wyoming-sink
File name:arm
Download: download sample
Signature Mirai
File size:556'108 bytes
First seen:2025-03-20 23:33:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:/LemydU+z4d61nZQcES3jNc/zuEBrUeruJbgD69PQjlMjVvxBhVF+:/LC1ZESHXxg4
TLSH T196C44A55B8419B92C2C06BBBFF5D834873271778D2EEB0069C199B642AEFC1B0F76542
telfhash t1f6019ed049c424f47f64240ec5de612fe88bbceb75e414a177659d484632fc06171abb
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
expand lolbin packed remote
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1644794 Sample: arm.elf Startdate: 21/03/2025 Architecture: LINUX Score: 60 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->18 20 2 other IPs or domains 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 7 arm.elf 2->7         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 signatures5 26 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->26 14 arm.elf 7->14         started        process6
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2025-03-20 23:34:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Unexpected DNS network traffic destination
Contacts a large (29178) 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:Linux_Generic_Threat_e9aef030
Author:Elastic Security
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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

File information


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

Web download

Mirai

elf 5681f7a57356b2898d90618b5c3791e4ced8fc86fded06805c346615fd1dfac6

(this sample)

  
Delivery method
Distributed via web download

Comments