MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69
SHA3-384 hash: 74c66ee8e140575e6385b5fa6434de72f8217b044b866587d57083d5f87992209c006a52b5c31c39cd3fb52500b0fc66
SHA1 hash: 84d56c10654b35dcebfb1859bfb0f30a53a843c6
MD5 hash: 6569ad94b13007fec7dd5a158b133226
humanhash: hawaii-mango-spaghetti-apart
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:40'068 bytes
First seen:2025-09-08 00:40:05 UTC
Last seen:2025-09-09 08:19:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:NkUD9pmD5dM/Am+LckfS2TaX2G2s2ij5Plwd6uCOdN25VgHx0Yk:euvMdAsLckZ/Gtj5twd6uCOds5V+xk
TLSH T1CA03E1C9613BF569C52360B74C3A67C0B925B71B7FCB12CB08D8397F88BAF1562156A0
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) :40'068 bytes
File size (de-compressed) :80'624 bytes
Format:linux/amd64
Unpacked file: e2fdc78a6c6286590d59e0d7caf1b89350ab52e6660366f722ab8151459d36cf

Intelligence

File Origin
# of uploads :
2
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68be27bfa64010de766f546a/reports/4aaf252b-3653-4ee5-a7b7-319378421fd5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-07T18:37:00Z UTC
Last seen:
2025-09-07T18:37:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8791c50d-36af-4a28-93e2-c0c78d8daf6a
Behavior Graph:
Download SVG
%3 guuid=fd293e16-1a00-0000-c9ad-d6d496070000 pid=1942 /usr/bin/sudo guuid=7c849219-1a00-0000-c9ad-d6d497070000 pid=1943 /tmp/sample.bin mprotect-exec net guuid=fd293e16-1a00-0000-c9ad-d6d496070000 pid=1942->guuid=7c849219-1a00-0000-c9ad-d6d497070000 pid=1943 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7c849219-1a00-0000-c9ad-d6d497070000 pid=1943->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=214c701a-1a00-0000-c9ad-d6d498070000 pid=1944 /tmp/sample.bin guuid=7c849219-1a00-0000-c9ad-d6d497070000 pid=1943->guuid=214c701a-1a00-0000-c9ad-d6d498070000 pid=1944 clone guuid=17fe5245-1b00-0000-c9ad-d6d441090000 pid=2369 /tmp/sample.bin guuid=7c849219-1a00-0000-c9ad-d6d497070000 pid=1943->guuid=17fe5245-1b00-0000-c9ad-d6d441090000 pid=2369 clone guuid=64dd5b45-1b00-0000-c9ad-d6d442090000 pid=2370 /tmp/sample.bin net send-data zombie guuid=7c849219-1a00-0000-c9ad-d6d497070000 pid=1943->guuid=64dd5b45-1b00-0000-c9ad-d6d442090000 pid=2370 clone guuid=8c577b1a-1a00-0000-c9ad-d6d499070000 pid=1945 /tmp/sample.bin guuid=214c701a-1a00-0000-c9ad-d6d498070000 pid=1944->guuid=8c577b1a-1a00-0000-c9ad-d6d499070000 pid=1945 clone guuid=a5bc801a-1a00-0000-c9ad-d6d49a070000 pid=1946 /tmp/sample.bin net send-data zombie guuid=214c701a-1a00-0000-c9ad-d6d498070000 pid=1944->guuid=a5bc801a-1a00-0000-c9ad-d6d49a070000 pid=1946 clone guuid=a5bc801a-1a00-0000-c9ad-d6d49a070000 pid=1946->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1110B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=a5bc801a-1a00-0000-c9ad-d6d49a070000 pid=1946->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=64dd5b45-1b00-0000-c9ad-d6d442090000 pid=2370->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1110B guuid=64dd5b45-1b00-0000-c9ad-d6d442090000 pid=2370->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2d1c862d-3d3e-43d4-b20a-2e716e43a83a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1772819
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772819 Sample: morte.x86_64.elf Startdate: 08/09/2025 Architecture: LINUX Score: 68 22 uraniumc2.ddns.net. [malformed] 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 morte.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 36 Uses dynamic DNS services 22->36 process4 process5 12 morte.x86_64.elf 8->12         started        14 morte.x86_64.elf 8->14         started        16 morte.x86_64.elf 8->16         started        process6 18 morte.x86_64.elf 12->18         started        20 morte.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-08 00:47:10 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lakjj5fgcn33l2cd7ve3jl3w6dnt5uqfzrjq447sg4kpivlunnuq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250908-a5pcpa1tdt/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/db200e35-7134-4dbe-bf2e-b1df178cd6fa
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69

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: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: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 581494f4a61377b5e843fd49b4af76f0db3ed205cc530e73f23714f455746b69

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3619577/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3620197/

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