MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 621f48ee214a62c1082d136c9e344a4b30700a934f0bb26b8e6aaa8d7c4bf04d. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 621f48ee214a62c1082d136c9e344a4b30700a934f0bb26b8e6aaa8d7c4bf04d
SHA3-384 hash: 4479cbb64a3e74cd064f179e6ee66d211e313de5725047ff5aaad1e6efaeff01453a6771bb6da8d1e3cc18a5693a31bd
SHA1 hash: eec78393a319cccde876e5130f27ce8e491ebcdc
MD5 hash: 7cd0fbd32f3693c3c07c4859ae1000e1
humanhash: beer-washington-fillet-floor
File name:arm7
Download: download sample
Signature Mirai
File size:180'483 bytes
First seen:2025-05-10 02:53:34 UTC
Last seen:2025-05-11 00:50:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:1PkirBwTcGIjbaOVfi9QNnrQUSABLttt+hJUoNM/RxKn4G2Di:1PZwTjgbaOVfi9QNrWAZttt+/ZNM/Rkb
TLSH T19C042A46EA408B03C0962BB9FA9F425533239B54D7EB73059528AFB43F8779E4F23506
telfhash t1c131bea1867c1126aaa1dc28ede997a2551b96261350bf37df22c4cc680f44be937c4f
Magika elf
Reporter elfdigest
Tags:gafgyt mirai

Intelligence


File Origin
# of uploads :
10
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1686496 Sample: arm7.elf Startdate: 10/05/2025 Architecture: LINUX Score: 68 23 nnmirai.duckdns.org 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Gafgyt 2->27 29 Yara detected Mirai 2->29 9 arm7.elf 2->9         started        signatures3 31 Uses dynamic DNS services 23->31 process4 process5 11 arm7.elf 9->11         started        process6 13 arm7.elf 11->13         started        process7 15 arm7.elf 13->15         started        17 arm7.elf 13->17         started        19 arm7.elf 13->19         started        21 6 other processes 13->21
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-05-10 02:54:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Malware Config
C2 Extraction:
nnmirai.duckdns.org
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 621f48ee214a62c1082d136c9e344a4b30700a934f0bb26b8e6aaa8d7c4bf04d

(this sample)

  
Delivery method
Distributed via web download

Comments