MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99
SHA3-384 hash: 03327412d1849a1c3daa5ec9b9dbce5f8089c5a6414b484ce14b230e7ec8a2629428bc1f3d9c46184c7d7cf29b560396
SHA1 hash: bd389a63638001ccfa4d2aaa3e489f1d5cece9fb
MD5 hash: 4a2593e894a290068e699ae85c980c1e
humanhash: yankee-bravo-shade-dakota
File name:morte.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:41'788 bytes
First seen:2025-07-12 00:14:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:RTmoBksLykSbuIhr+P7gKvPHhpDwvSTV3jmqXZYvQx5w+NqBArMLxYWL5:1mwktzuOCPrPEvST4qpYe5bAAYLx
TLSH T17313F14DD9E93CD6C5FC1EBDA48F1B391A51F4E833D32B5C6E214684A62690E749807C
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
File size (compressed) :41'788 bytes
File size (de-compressed) :105'976 bytes
Format:linux/mipsel
Unpacked file: 3612f8de731c2de3207d331ba7a3e89e5d570182dd4c11dd7146058b51baa5f4

Intelligence

File Origin
# of uploads :
1
# of downloads :
16
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6871a926c9eb974737687846linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Opens a port
Launching a process
Deletes a file
Connection attempt
DNS request
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6871a91930bf73332337a185/reports/42d80380-c48f-4747-95d8-c094aacd7488/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
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/2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f8264125-7feb-42f9-8395-17c934d8d36a
Behavior Graph:
Download SVG
%3 guuid=a8cc11a4-1a00-0000-200c-11d6b70d0000 pid=3511 /usr/bin/sudo guuid=0fc30fa6-1a00-0000-200c-11d6be0d0000 pid=3518 /tmp/sample.bin guuid=a8cc11a4-1a00-0000-200c-11d6b70d0000 pid=3511->guuid=0fc30fa6-1a00-0000-200c-11d6be0d0000 pid=3518 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/40cff3f6-1a82-416f-9d85-d242be7be5bd
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1734409
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Sends malformed DNS queries
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734409 Sample: morte.mpsl.elf Startdate: 12/07/2025 Architecture: LINUX Score: 100 31 last.galaxias.cc. [malformed] 2->31 33 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->33 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 49 3 other signatures 2->49 10 morte.mpsl.elf 2->10         started        signatures3 47 Sends malformed DNS queries 31->47 process4 signatures5 55 Found strings related to Crypto-Mining 10->55 13 morte.mpsl.elf 10->13         started        process6 process7 15 morte.mpsl.elf 13->15         started        file8 29 /etc/init.d/sysd, POSIX 15->29 dropped 35 Sample tries to set files in /etc globally writable 15->35 37 Drops files in suspicious directories 15->37 39 Sample tries to persist itself using System V runlevels 15->39 19 morte.mpsl.elf sh 15->19         started        21 morte.mpsl.elf 15->21         started        signatures9 process10 process11 23 sh cp 19->23         started        file12 27 /usr/bin/.sh, ELF 23->27 dropped 51 Drops invisible ELF files 23->51 53 Drops files in suspicious directories 23->53 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99/
Verdict:
Malicious
Threat:
Linux.Worm.Mirai
Link:
https://tip.neiki.dev/file/2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-07-12 00:15:29 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=fsur5kusfdfl2uaff4fuxryc4weczpzmdqpzaydxqmwiuzz6xwmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence upx
Link:
https://tria.ge/reports/250712-aj3cesak2w/
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
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
last.galaxias.cc
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b1c27d20-fd7e-4e9a-975f-4605557d4cfa
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/2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
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 2ca91eaa9228cabd50052f0b4bc702e5882cbf2c1c1f906077832c8a673ebd99

(this sample)

Mirai

elf 3612f8de731c2de3207d331ba7a3e89e5d570182dd4c11dd7146058b51baa5f4

  
Dropping
SHA256 3612f8de731c2de3207d331ba7a3e89e5d570182dd4c11dd7146058b51baa5f4
  
Dropping
MD5 4a4572fa81387cf80aea79c5c619d1f4
  
URLhaus
https://urlhaus.abuse.ch/url/3579410/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3581202/
  
URLhaus
https://urlhaus.abuse.ch/url/3581266/
  
URLhaus
https://urlhaus.abuse.ch/url/3581255/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments