MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681
SHA3-384 hash: 9f4783f6d4f040c691cde599cb92fc8d4146f78a9dbd7fd0b84059de026c735cfdb8a790535b8033daa1394476306e78
SHA1 hash: 784fa12047e3e4eb1f6a5e0f90bc1d5b41a15f71
MD5 hash: 1901aab6a34a3cf0728139b046734be9
humanhash: double-connecticut-sodium-football
File name:ub8ehJSePAfc9FYqZIT6.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:42'788 bytes
First seen:2025-11-28 19:25:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:XG2/l2Geuo2SdeQxZE2hgoG3U6ZQ+PVgOJ4MmJdtBNCw1oOM:X3JuMQxm2htqzVgOjGP
TLSH T1A213199AFCC24A3FC1C01379A6AE5A4D3721E3E4D2CB7607CE585B3136C660E1D6AD80
telfhash t1e4e06840fc755e1854e76570dcdc47b095012223606a4b20cf55dae0883f110e30ce4d
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 56f7b4437cacba745792efc80e3638949515770a814c6470190896da14729aee
File size (compressed) :20'540 bytes
File size (de-compressed) :42'788 bytes
Format:linux/arm
Packed file: 56f7b4437cacba745792efc80e3638949515770a814c6470190896da14729aee

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.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-7136013-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/6929f7581b65ca0bb926e500/reports/918d48d5-80eb-4406-b286-627716579361/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/4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681
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:
2025-11-28T16:31:00Z UTC
Last seen:
2025-11-29T00:59:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e513a2be-614a-4275-87ac-bac34821b7bb
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1822435
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 19:26:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ji6heisz2ofbhhm3lurj2nl4qhsnjcqnduwobk7jwivugrujg2aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd
Link:
https://tria.ge/reports/251128-x5lywshp2w/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/423bfefe-296e-4065-890c-9fb119e5b216
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/4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681

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: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_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 56f7b4437cacba745792efc80e3638949515770a814c6470190896da14729aee

Mirai

elf 4a3c722259d38a139d9b5d229d357c81e4d48a0d1d2ce0abe9b22b4346893681

(this sample)

  
Dropped by
SHA256 56f7b4437cacba745792efc80e3638949515770a814c6470190896da14729aee
  
URLhaus
https://urlhaus.abuse.ch/url/3718967/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 43009596c4143fe1404b94e184c6dc0f

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