MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c
SHA3-384 hash: 03fbeb49cb5d5a395509fcab7cf63c5d63747b7c9f27c0f0c8feff4b6fc407805143351c4c698536ebe3bf0964e639c2
SHA1 hash: d4406790f219ff06efefd9aa81177b1d38acd225
MD5 hash: c37b0291d515b9c79d06f2e3085332d5
humanhash: harry-five-north-edward
File name:morte.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:44'596 bytes
First seen:2025-08-29 20:47:26 UTC
Last seen:2025-09-07 00:17:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:nT2JKLTUzsDKBerX0T0OLq+6m3o/gVGapM9G4LEuytqRijQ5l8fc8I9q3UEL3s:n6JKLTUxerm0V+l4O7xn2vKfcILc
TLSH T1A813F235482D4ABA87708975EE5D8D92FE80AF70C04A717396ED075C843D21673FEAA3
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) :44'596 bytes
File size (de-compressed) :95'952 bytes
Format:linux/arm
Unpacked file: af506c3e5f983e66a6c2827c4f3467d51db8405b13786ed6a99786a3eaa656f2

Intelligence

File Origin
# of uploads :
3
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68b211ee564e61a82154014d/reports/ee8cc667-ae69-43fe-90be-b37a5f815f41/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c
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
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/249eb7aa-0e43-4589-ba5f-3dc9ebc9c301
Behavior Graph:
Download SVG
%3 guuid=3bf7a6f7-1700-0000-815b-6230e10c0000 pid=3297 /usr/bin/sudo guuid=43afe0f9-1700-0000-815b-6230e40c0000 pid=3300 /tmp/sample.bin guuid=3bf7a6f7-1700-0000-815b-6230e10c0000 pid=3297->guuid=43afe0f9-1700-0000-815b-6230e40c0000 pid=3300 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b338e37c-c95c-4dd8-ac85-19e2ffacf52b
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1767928
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1767928 Sample: morte.arm6.elf Startdate: 29/08/2025 Architecture: LINUX Score: 72 15 169.254.169.254, 80 USDOSUS Reserved 2->15 17 162.213.35.24, 38410, 443 CANONICAL-ASGB United States 2->17 19 3 other IPs or domains 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Mirai 2->23 25 Yara detected Xmrig cryptocurrency miner 2->25 27 Sample is packed with UPX 2->27 6 morte.arm6.elf 2->6         started        9 python3.8 dpkg 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 29 Found strings related to Crypto-Mining 6->29
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-29 20:48:39 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=wx7t2wyrld2mw277u3ukdjgcllyo5bsvymnqxaeeyuhc7ej5vjoa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/250829-zk5xdabq2s/
Behaviour
Reads runtime system information
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/68f5bdaa-101d-45ab-84bb-46187a6918f8
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/b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 b5ff3d5b1158f4cb6bffa6e8a1a4c25af0ee8655c31b0b8084c50e2f913daa5c

(this sample)

Mirai

elf af506c3e5f983e66a6c2827c4f3467d51db8405b13786ed6a99786a3eaa656f2

  
URLhaus
https://urlhaus.abuse.ch/url/3611952/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 af506c3e5f983e66a6c2827c4f3467d51db8405b13786ed6a99786a3eaa656f2
  
Dropping
MD5 a51eb601c80f4c19b7c88008f652e96b

Comments