MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ba37d39fbb6f9b9997385545c622f734b9e8d0fde700b6cc8a1cbf1d10199ac. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 7ba37d39fbb6f9b9997385545c622f734b9e8d0fde700b6cc8a1cbf1d10199ac
SHA3-384 hash: 3e30832caa146efe1382da5cf0fc72a6a3dcfbfb381c931ab4037ece91b6f7d6c8d174b89b800e0538c85a1a4df51df6
SHA1 hash: 32b907eb3563af2d7e17aa8ad9284c7b769f6f0e
MD5 hash: d3268c99f4f73f0bb8505ae7c8a24a11
humanhash: monkey-happy-north-queen
File name:lx32
Download: download sample
Signature Mirai
File size:33'120 bytes
First seen:2025-08-18 08:52:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:pIg4zieBk2JrJIahijNH2xI/qCb+12r/6+wnxnbcuyD7UoURp:pIg4zbBkQJIahijNWi/l+146+wnxnouV
TLSH T1CDE2F1B6D9ECDF9BC4A641F31C6D3F492D2C418C4148FF0A59FC619649C5798AB242CB
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
DNS request
Collects information on the CPU
Mounts file systems
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759166 Sample: lx32.elf Startdate: 18/08/2025 Architecture: LINUX Score: 68 23 bootaa.anondns.net 45.135.194.32, 37255, 57010 SKYLINKCZ Germany 2->23 25 109.202.202.202, 80 INIT7CH Switzerland 2->25 27 2 other IPs or domains 2->27 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 8 lx32.elf 2->8         started        10 xfce4-session xfwm4 2->10         started        12 xfce4-session xfce4-panel 2->12         started        14 16 other processes 2->14 signatures3 process4 process5 16 lx32.elf 8->16         started        process6 18 lx32.elf 16->18         started        21 lx32.elf 16->21         started        signatures7 29 Sample tries to kill multiple processes (SIGKILL) 18->29
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-08-18 08:53:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10028259-0
YARA:
n/a
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information


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

Web download

Mirai

elf 7ba37d39fbb6f9b9997385545c622f734b9e8d0fde700b6cc8a1cbf1d10199ac

(this sample)

  
Delivery method
Distributed via web download

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