MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83bf1393187ad122e1e03d2f0986fe66a7fc2b77da2a36cf6844c4bd975fbca2. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 83bf1393187ad122e1e03d2f0986fe66a7fc2b77da2a36cf6844c4bd975fbca2
SHA3-384 hash: a736883266c6af0199bd3731072501774bec56bb62860ba21c3696a7b1c1f786559e6cd882964e52b101a90cc73232d3
SHA1 hash: ce977dc7aa67efe642a9af36d40e20528aa0954f
MD5 hash: fc68e964a032ee81ee6d974565834d3a
humanhash: crazy-alpha-autumn-march
File name:xnxnxnxnxnxnxnxnmipsxnxn
Download: download sample
Signature Mirai
File size:71'908 bytes
First seen:2025-11-23 16:01:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:l9H/ddMbkJZvbgM+7nRkNe+ZLZNU5/rnQoRXy0EkPEyz9MPoru+:7H/d6cZvkxLRWKClkceSSR
TLSH T12163F1A9A6858C90D3F2ED3993AE0BD0346CC9E694FB93A76A5E316D6D748100409A4F
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :71'908 bytes
File size (de-compressed) :198'764 bytes
Format:linux/mips
Unpacked file: e9318c8c2554df92c597bffd47298102afa878a2732cdc2d6b6c6b3bb3b6cb3b

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Locks files
Sends data to a server
DNS request
Creating a file
Deletes a file
Deleting a recently created file
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
137
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=3b6cf589-1900-0000-f606-2405a70b0000 pid=2983 /usr/bin/sudo guuid=051b058c-1900-0000-f606-2405ae0b0000 pid=2990 /tmp/sample.bin guuid=3b6cf589-1900-0000-f606-2405a70b0000 pid=2983->guuid=051b058c-1900-0000-f606-2405ae0b0000 pid=2990 execve
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819569 Sample: xnxnxnxnxnxnxnxnmipsxnxn.elf Startdate: 23/11/2025 Architecture: LINUX Score: 22 14 54.247.62.1, 443, 52472 AMAZON-02US United States 2->14 16 Sample is packed with UPX 2->16 6 dash rm 2->6         started        8 dash cat 2->8         started        10 dash cut 2->10         started        12 8 other processes 2->12 signatures3 process4
Threat name:
Linux.PUA.Generic
Status:
Suspicious
First seen:
2025-11-23 16:02:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
4 of 36 (11.11%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes system logs
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 83bf1393187ad122e1e03d2f0986fe66a7fc2b77da2a36cf6844c4bd975fbca2

(this sample)

  
Delivery method
Distributed via web download

Comments