MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c39dbf66a362df572af7ad64164cc7d70a8875db68a710979d243760d8c027b. 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 3 File information Comments

SHA256 hash: 1c39dbf66a362df572af7ad64164cc7d70a8875db68a710979d243760d8c027b
SHA3-384 hash: d37b1c3a54cc4a31246e74fc3bc0add5d1a297a5d23bdbebf8f92b0cfc8f8e0780d41eeea7d308f5a68bcbd971f2df12
SHA1 hash: 05168a7a2816dc792d80f0a7c65b102b38e93bf1
MD5 hash: 8d92e79b7940f0ac5b01bbb77737ca6c
humanhash: mirror-uncle-fish-iowa
File name:arm7
Download: download sample
Signature Mirai
File size:108'728 bytes
First seen:2025-03-24 03:47:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:NqJDrHcu8zfl1j1t7MEdUlYR/hJGMfSanXXJIocYPFwzG8sfnh:NqJDr8HHj1t/mG/gMaanXXJIoZPKq
TLSH T1B5B3075AF8819F15D5D615BEFE4F828D33231BA8E3EA7102DD245B2437CAA5B0E7B401
telfhash t1b3f05976cf222cfc23a4970441c59639dbac306e2725141689548f878c56883b42e16f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file
Opens a port
Receives data from a server
Unmounts file systems
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin 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: 1646513 Sample: arm7.elf Startdate: 24/03/2025 Architecture: LINUX Score: 60 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 7 dash rm arm7.elf 2->7         started        10 dash rm 2->10         started        12 dash tr 2->12         started        14 7 other processes 2->14 signatures3 process4 signatures5 28 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->28 16 arm7.elf 7->16         started        process6
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-03-24 03:48:06 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 discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Renames itself
Unexpected DNS network traffic destination
Contacts a large (29768) 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_8299c877
Author:Elastic Security
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 1c39dbf66a362df572af7ad64164cc7d70a8875db68a710979d243760d8c027b

(this sample)

  
Delivery method
Distributed via web download

Comments