MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831
SHA3-384 hash: 142cc896fddf2e8a250bdde2e2b85cf447df1182a4dcf8f972ac0e948be8323ec69cd350f1caa5295e65aa05d78096f9
SHA1 hash: 4290f2743eb9d2b36b23ad40274bc88be5fb7013
MD5 hash: 180c36317f960a72749c6f9bd68b626f
humanhash: lactose-helium-nuts-juliet
File name:arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:74'552 bytes
First seen:2025-12-29 17:47:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BBsoodU4aa05kBEWvGsdqYv6Gtc5vygdUFTig0EUOw81dJTFLi:PyaDWvGsdAGtqvygqFug0EUk1dPLi
TLSH T1A573027DC55473F6CE79B533BE2307C7658E0D64A2AF44AB62108B01979B33E9772610
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 UPX
File size (compressed) :74'552 bytes
File size (de-compressed) :205'956 bytes
Format:linux/arm
Unpacked file: 6c3d85191eedcb0d2d5cd1030b74a1bbaa354caaf3799fbb5aa59c27a60e7cc8

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6283f493-d91d-4b68-ae5e-938d2fabf7b9/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6952bedd2fb7bb52ca812e5a/reports/1284c8df-3de0-4186-a80f-3c3702ffd2ce/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T15:55:00Z UTC
Last seen:
2025-12-29T16:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/24714817-8656-46f0-a616-a2edbf0f0ecb
Behavior Graph:
Download SVG
%3 guuid=56bcd20b-1800-0000-b25f-d2c4a70c0000 pid=3239 /usr/bin/sudo guuid=3da8be0f-1800-0000-b25f-d2c4af0c0000 pid=3247 /tmp/sample.bin guuid=56bcd20b-1800-0000-b25f-d2c4a70c0000 pid=3239->guuid=3da8be0f-1800-0000-b25f-d2c4af0c0000 pid=3247 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5f9341d9-e28f-4b94-8976-17641b23bf02
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1841679
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841679 Sample: arm6.elf Startdate: 29/12/2025 Architecture: LINUX Score: 60 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 151.242.30.13, 12121, 56260, 56262 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 3 other IPs or domains 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Gafgyt 2->39 41 Sample is packed with UPX 2->41 8 arm6.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 arm6.elf sh 8->13         started        15 arm6.elf sh 8->15         started        17 arm6.elf 8->17         started        19 2 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started        25 arm6.elf 17->25         started        27 arm6.elf 17->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 17:48:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=il67sgdndqsh75rewzh2nkbelun7x33n2s7cxazu7exhe3ylvayq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation upx
Link:
https://tria.ge/reports/251229-wdj5jszper/
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b981b058-c0d5-4a97-a3b7-52f09161031b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 42fdf9186d1c247ff624b64fa6a8245d1bfbef6dd4be2b8334f92e726f0ba831

(this sample)

Mirai

elf 6c3d85191eedcb0d2d5cd1030b74a1bbaa354caaf3799fbb5aa59c27a60e7cc8

  
URLhaus
https://urlhaus.abuse.ch/url/3722815/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 6c3d85191eedcb0d2d5cd1030b74a1bbaa354caaf3799fbb5aa59c27a60e7cc8
  
Dropping
MD5 d06de9de3e57cf39ea5df7a05a843c18

Comments