MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef
SHA3-384 hash: 5a344b1c485dcfa26f3bb83b330c9ebac39815700fceac802b846052cd7bf9ad00c2436f5b4953cd621e413c1e17fdc1
SHA1 hash: 208481467cacd931b8697c25b6088753392b4009
MD5 hash: 9076b797ab12f123f995582310e50a66
humanhash: kentucky-autumn-vegan-earth
File name:morte.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:114'196 bytes
First seen:2025-09-25 18:16:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:FqyOQnGSKed2t7a0e1hQikpfbiiMLjRtaWA8KIPKzMs14UIaZJiAtzL9U2+FShgF:FqyOQnGSKeKe1mfHISzMFUIa5Ffg5Ey
TLSH T163B3F809FF610EFBE86FDD3746E90B0525CC651722B83B3A7574D828F54A64B0AE3960
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 bfcc632ac9ed6a452bafc2e2dad68e4279f0f752e747ebba10d040b1a89011c9
File size (compressed) :44'284 bytes
File size (de-compressed) :114'196 bytes
Format:linux/mipsel
Packed file: bfcc632ac9ed6a452bafc2e2dad68e4279f0f752e747ebba10d040b1a89011c9

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sets a written file as executable
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote threat
Link:
https://www.filescan.io/uploads/68d58a83674d5fd6aa0cc159/reports/4943eeed-2bfc-4f8a-9019-b2b7e1eaf47e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef
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:
2025-09-25T16:17:00Z UTC
Last seen:
2025-09-25T16:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2c09bb4e-3b89-49fd-bc2d-bcf0d98b71fe
Behavior Graph:
Download SVG
%3 guuid=5776ab25-1900-0000-0f13-cdff8b090000 pid=2443 /usr/bin/sudo guuid=6da8aa27-1900-0000-0f13-cdff8d090000 pid=2445 /tmp/sample.bin guuid=5776ab25-1900-0000-0f13-cdff8b090000 pid=2443->guuid=6da8aa27-1900-0000-0f13-cdff8d090000 pid=2445 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/136c01d3-006f-4b45-9079-f114e1810a00
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1784423
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1784423 Sample: morte.mpsl.elf Startdate: 25/09/2025 Architecture: LINUX Score: 80 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 39 Yara detected Xmrig cryptocurrency miner 2->39 10 morte.mpsl.elf 2->10         started        signatures3 process4 signatures5 41 Found strings related to Crypto-Mining 10->41 13 morte.mpsl.elf 10->13         started        process6 process7 15 morte.mpsl.elf 13->15         started        file8 25 /etc/init.d/sysd, POSIX 15->25 dropped 29 Sample tries to set files in /etc globally writable 15->29 31 Drops files in suspicious directories 15->31 33 Sample tries to persist itself using System V runlevels 15->33 19 morte.mpsl.elf sh 15->19         started        21 morte.mpsl.elf 15->21         started        signatures9 process10 process11 23 sh cp 19->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-25 18:32:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vepbbbmr6misdds32y7cyhu2tmtygylxu3utwlffejhzx7qdo3xq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery persistence
Link:
https://tria.ge/reports/250925-w6dhga1pt9/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ab931e6d-45da-408f-9cfe-32a8a7e27c26
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/a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 bfcc632ac9ed6a452bafc2e2dad68e4279f0f752e747ebba10d040b1a89011c9

Mirai

elf a91e108591f311218e5bd63e2c1e9a9b27836177a6e93b2ca5224f9bfe0376ef

(this sample)

  
Dropped by
SHA256 bfcc632ac9ed6a452bafc2e2dad68e4279f0f752e747ebba10d040b1a89011c9
  
URLhaus
https://urlhaus.abuse.ch/url/3632023/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3632027/
  
Dropped by
MD5 6dfadd7897f0a42a5667f4f9631f74da

Comments