MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7
SHA3-384 hash: 562faff70d1a26db07e0ec1ea1518dea84b78f263fa2fd997f05e8a99549b5f5e307b6fdf24104cb7afad73634ca3a46
SHA1 hash: 532eac78e80634a2e7923f189a893ebba36c244c
MD5 hash: 71795c397d6bcf54df055ee7d8cb5c89
humanhash: failed-floor-tango-venus
File name:Polar.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:189'180 bytes
First seen:2025-11-18 17:23:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:NUBdGuqOctV7SUhVhfdQucq6dXGnJ2SaoQV3JBv4qLGWwpVrU:SBdGuqlzxz11cLXGnJxat/4qCJpVrU
TLSH T19B040846F8C19B11D5C111BEFA1E518E33235BB8E2DE7212AD256F60778B8BB0F3A505
telfhash t140a02208ae32322a00c000c0ee8ce000083332f03383288b03c00202ba80fe8080020f
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3
File size (compressed) :71'352 bytes
File size (de-compressed) :189'180 bytes
Format:linux/arm
Packed file: 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/691cac2b96b510474f56576d/reports/5c816789-3fe2-4cfe-aebd-13f0ec2b7bff/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
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/3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7
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:
2025-11-18T15:33:00Z UTC
Last seen:
2025-11-20T15:00:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/44e3a613-c3a3-452a-98a6-6ae35a9aa98e
Behavior Graph:
Download SVG
%3 guuid=c15cc57b-1b00-0000-24af-62a785070000 pid=1925 /usr/bin/sudo guuid=1776457e-1b00-0000-24af-62a78b070000 pid=1931 /tmp/sample.bin guuid=c15cc57b-1b00-0000-24af-62a785070000 pid=1925->guuid=1776457e-1b00-0000-24af-62a78b070000 pid=1931 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5332f8fa-5019-4d9b-b557-d32121e31c55
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1816306
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 17:25:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcc3ludrzuraotutclmezpqku2otctjg7zsu3saqtlnnxbkua23q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251118-vzrwvagy7h/
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/95910b4b-8282-4b1c-a2ff-aeb52dfcfa16
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/3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Unpack
Create hunting rule
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3

Mirai

elf 3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7

(this sample)

  
Dropped by
SHA256 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3
  
URLhaus
https://urlhaus.abuse.ch/url/3711446/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711465/
  
Dropped by
MD5 4dba21f461c5dfe23686183ab4790e52

Comments