MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2aa9f2c59c5ae6d96906e5c0ab09ff79747751ac80c3f78b97e78a69ace7bb3. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2aa9f2c59c5ae6d96906e5c0ab09ff79747751ac80c3f78b97e78a69ace7bb3
SHA3-384 hash: 453d77ca2eec4955a505d5081db1e6c830a60aa557f007e589ab42d889d29cffe20f15299c5cf4b9683f7c9af7e8fc86
SHA1 hash: 7d65e2630eba3d38d0a4dff6fb09acab9d7058d9
MD5 hash: f6491650b03962fbb7e52e69dcab78af
humanhash: white-undress-eighteen-maryland
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:121'376 bytes
First seen:2025-12-03 23:24:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OKmFkAOKL8lbRUysUncuRbiJB+L35iOEGnacQ9LHxdEY+AqgCvA5xve:OKmFkKLmgc5iZVcQFxdkXjAXe
TLSH T1A2C33A41BC828A63D6C71376FA6E11CE371163E8E3DE7203CE259F113786A1B0D6BA55
telfhash t16251535bffa02f9cabde95a451a8301a8bfc309d071c6856aa1c570f5453bd6703cc27
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 d240f7082ceec86c96eb53f36e1f4d8c21422f76cff5b77647fe6680676a8b77
File size (compressed) :45'988 bytes
File size (de-compressed) :121'376 bytes
Format:linux/arm
Packed file: d240f7082ceec86c96eb53f36e1f4d8c21422f76cff5b77647fe6680676a8b77

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
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
Link:
https://research.acce.ciphertechsolutions.com/results/b56a9e80-d560-46d7-9a0f-a9f6dbf15d51/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

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

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6930c6e0ff25e40750d29bf7/reports/ba59ea9d-5663-4179-829a-50a0ccd91fd3/overview
Result
Gathering data
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1825932
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825932 Sample: morte.arm.elf Startdate: 04/12/2025 Architecture: LINUX Score: 84 31 109.202.202.202, 80 INIT7CH Switzerland 2->31 33 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->33 35 2 other IPs or domains 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Yara detected Mirai 2->41 10 morte.arm.elf 2->10         started        signatures3 process4 process5 12 morte.arm.elf 10->12         started        process6 14 morte.arm.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 47 Sample tries to set files in /etc globally writable 14->47 49 Drops files in suspicious directories 14->49 51 Sample tries to persist itself using System V runlevels 14->51 18 morte.arm.elf 14->18         started        20 morte.arm.elf sh 14->20         started        signatures8 process9 process10 22 morte.arm.elf 18->22         started        25 morte.arm.elf 18->25         started        27 sh cp 20->27         started        signatures11 43 Manipulation of devices in /dev 22->43 45 Deletes system log files 22->45
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2aa9f2c59c5ae6d96906e5c0ab09ff79747751ac80c3f78b97e78a69ace7bb3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2aa9f2c59c5ae6d96906e5c0ab09ff79747751ac80c3f78b97e78a69ace7bb3/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkvj6lczywxg3fuqnzoavme766luo5i2zagd66fzpz4kngwopozq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd
Link:
https://tria.ge/reports/251203-3ee1jswkbw/
Malware Config
C2 Extraction:
b3ry.bounceme.net
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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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 d240f7082ceec86c96eb53f36e1f4d8c21422f76cff5b77647fe6680676a8b77

Mirai

elf b2aa9f2c59c5ae6d96906e5c0ab09ff79747751ac80c3f78b97e78a69ace7bb3

(this sample)

  
Dropped by
SHA256 d240f7082ceec86c96eb53f36e1f4d8c21422f76cff5b77647fe6680676a8b77
  
URLhaus
https://urlhaus.abuse.ch/url/3720209/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 5223772077a7d4add788c8f0f46a04da

Comments