MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3
SHA3-384 hash: 9ddf10ecf710ba5fd22a2f901a457ee8ee14eaa98b89601a99b7fc396895d8c5a5e807dfd816849e648d89c2ad849f63
SHA1 hash: e1f511daee66f269bee09b281e29ad5ea5947aca
MD5 hash: 78d2d8eb9798e3f363b20858048ad759
humanhash: mountain-mockingbird-hotel-batman
File name:arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:74'180 bytes
First seen:2025-12-29 16:41:08 UTC
Last seen:2025-12-30 12:27:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:QYXeh666gi8Y7q1quo7WvuIcJRsw+/oR0RQLM:QMeht6Wu9NSRRQLM
TLSH T18673026192B252619F51E9BBBC918FF7FEB30B09144339AF65BB7928D82007853D31D2
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) :74'180 bytes
File size (de-compressed) :205'264 bytes
Format:linux/arm
Unpacked file: c3e61865aaffcfcabab85e2af9c0566b85296384de99ef3ebc40f2a9b7022643

Intelligence

File Origin
# of uploads :
2
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6af5f13a-b9e0-468a-95d1-c7f94fedeb67/
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T13:50:00Z UTC
Last seen:
2025-12-29T14:26:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/87c00835-8dce-45e1-80a0-7148233ef3e3
Behavior Graph:
Download SVG
%3 guuid=66e3e092-1900-0000-c827-4023b50b0000 pid=2997 /usr/bin/sudo guuid=93977e94-1900-0000-c827-4023bc0b0000 pid=3004 /tmp/sample.bin guuid=66e3e092-1900-0000-c827-4023b50b0000 pid=2997->guuid=93977e94-1900-0000-c827-4023bc0b0000 pid=3004 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0642fd5b-e419-43a4-98ea-928234d9b013
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1841548
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: 1841548 Sample: arm6.elf Startdate: 29/12/2025 Architecture: LINUX Score: 60 35 169.254.169.254, 80 USDOSUS Reserved 2->35 37 151.242.30.13, 12121, 60868, 60870 RASANAIR Iran (ISLAMIC Republic Of) 2->37 39 2 other IPs or domains 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Gafgyt 2->43 45 Sample is packed with UPX 2->45 8 arm6.elf 2->8         started        11 dash rm 2->11         started        13 dash head 2->13         started        15 9 other processes 2->15 signatures3 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 arm6.elf sh 8->17         started        19 arm6.elf sh 8->19         started        21 arm6.elf 8->21         started        23 2 other processes 8->23 process6 process7 25 sh systemctl 17->25         started        27 sh systemctl 19->27         started        29 arm6.elf 21->29         started        31 arm6.elf 21->31         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 16:42:19 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=zpk3ianydoabyfun4ktvxm2b467x7d6el6xaslcqqfxx4meq2grq._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-t7c7zsfv5d/
Behaviour
Reads runtime system information
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/f0d82afc-d4bd-4fb9-9ab7-136ddadeae2d
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/cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 cbd5b401b81b801c168de2a75bb341e7bf7f8fc45fae092c50816f7e3090d1a3

(this sample)

Mirai

elf c3e61865aaffcfcabab85e2af9c0566b85296384de99ef3ebc40f2a9b7022643

  
URLhaus
https://urlhaus.abuse.ch/url/3722819/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c3e61865aaffcfcabab85e2af9c0566b85296384de99ef3ebc40f2a9b7022643
  
Dropping
MD5 c8a321456d77223a5c31ff6879d6a4c0
  
URLhaus
https://urlhaus.abuse.ch/url/3719335/

Comments