MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd
SHA3-384 hash: 2a914884c55ec56db0229e735241e33173b8e72d38b8587726f7d8208c08e0939016cb9840b88f51d83f6de4367502b2
SHA1 hash: f3b50dedea92b4ff985b44efcb6c8603b015d9b2
MD5 hash: 2f84618ed599fd0f067741354f5ac7d9
humanhash: finch-black-florida-wisconsin
File name:arm7.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:197'843 bytes
First seen:2025-09-08 20:24:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:kZW8TDgTYkQSfqQvhMaCDzPYvL37AVYqMFv3Ix2X8RAAS7A:kZBgJq4hMaazPYvLrAVB6v3y2MRATA
TLSH T174149E45B5109F13E49721B9BBEA411532236FB9F3F9B0019920BBB4278F9DA0F75B42
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm gcc rust
Link:
https://www.filescan.io/uploads/68bf3b95cfa59bfdc7f43213/reports/ed092340-f5db-42df-abbf-540bdec7ab5f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-08T17:30:00Z UTC
Last seen:
2025-09-08T17:30:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2accaf84-8847-46a3-9b72-4be0eef25ae7
Behavior Graph:
Download SVG
%3 guuid=aa4eea58-1900-0000-e23c-a02539110000 pid=4409 /usr/bin/sudo guuid=5f1dbe5a-1900-0000-e23c-a02540110000 pid=4416 /tmp/sample.bin guuid=aa4eea58-1900-0000-e23c-a02539110000 pid=4409->guuid=5f1dbe5a-1900-0000-e23c-a02540110000 pid=4416 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f358e4fa-4d56-4771-8156-857f41d1b1e2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1773525
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1773525 Sample: arm7.urbotnetisass.elf Startdate: 08/09/2025 Architecture: LINUX Score: 84 47 94.154.35.153, 40640, 43212 SELECTELRU Ukraine 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 2 other IPs or domains 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Mirai 2->57 10 arm7.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 28 other processes 2->16 signatures3 process4 process5 18 arm7.urbotnetisass.elf 10->18         started        file6 39 /memfd:/usr/lib/librt.so.1 (deleted), ELF 18->39 dropped 41 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 18->41 dropped 43 /memfd:/usr/lib/libm.so.6 (deleted), ELF 18->43 dropped 45 41 other malicious files 18->45 dropped 59 Writes identical ELF files to multiple locations 18->59 22 arm7.urbotnetisass.elf 18->22         started        24 arm7.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 arm7.urbotnetisass.elf 22->26         started        29 arm7.urbotnetisass.elf 24->29         started        signatures10 61 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->61 63 Deletes system log files 26->63 31 arm7.urbotnetisass.elf 26->31         started        33 arm7.urbotnetisass.elf 26->33         started        35 arm7.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-08 20:25:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtjnho4bj4l2uz3h6gfltcvj64ud3zh2ftfwfrhpbvstdfa4dpoq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250908-y6z3ks11gz/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/86172c37-afb1-410b-8db6-3a2905af49aa
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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf 8cd2d3bb814f17aa6767f18ab98aa9f7283de4fa2ccb62c4ef0d6531941c1bdd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618219/
  
Delivery method
Distributed via web download

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