MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f
SHA3-384 hash: 4b37dac2d7e9d32cc97a32d62cd4f7c48f04e805e77e22bb753066debaa662ca0e980ec90f7b8ada404460f99ec9cbeb
SHA1 hash: 4ddaecf159328a6a99156dbc42677f432ba8da1e
MD5 hash: dd6430b67fbc511910247e0be4ce41a2
humanhash: fifteen-summer-neptune-mexico
File name:morte.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:114'196 bytes
First seen:2025-08-21 16:39:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BqyOQnGSKed2t7a0e1dQikpl/CiMLjRtaWA8KIPKzMs14UIaZJiAtzL9U2+FShga:BqyOQnGSKeKe1ClbISzMFUIa5FfgGEy
TLSH T1B6B3E809FF610EFBE86FDD3746E90B0525CC651722B83B3A7574D828F54A64B0AE3960
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 1c86936a5a7501eaf9556cd3d932895b3ba59fcb8a4930105856506ce6794de4
File size (compressed) :44'292 bytes
File size (de-compressed) :114'196 bytes
Format:linux/mipsel
Packed file: 1c86936a5a7501eaf9556cd3d932895b3ba59fcb8a4930105856506ce6794de4

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
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 obfuscated remote threat
Link:
https://www.filescan.io/uploads/68a74c8b7137d684583635e4/reports/53ddaf2e-0f5e-437c-a5e0-21f4d6651924/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c9798aa8-bc8a-4f64-a70d-6b2efb4efd42
Behavior Graph:
Download SVG
%3 guuid=706cbc5b-2100-0000-3813-3328b60b0000 pid=2998 /usr/bin/sudo guuid=bf46cb5d-2100-0000-3813-3328bd0b0000 pid=3005 /tmp/sample.bin guuid=706cbc5b-2100-0000-3813-3328b60b0000 pid=2998->guuid=bf46cb5d-2100-0000-3813-3328bd0b0000 pid=3005 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b3a7f044-a5bd-466c-8c09-f8b6ec27463a
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1762217
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: 1762217 Sample: morte.mpsl.elf Startdate: 21/08/2025 Architecture: LINUX Score: 80 31 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->31 33 34.243.160.129, 443 AMAZON-02US United States 2->33 35 54.247.62.1, 43394, 443 AMAZON-02US United States 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Mirai 2->39 41 Yara detected Xmrig cryptocurrency miner 2->41 10 morte.mpsl.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 49 Found strings related to Crypto-Mining 10->49 17 morte.mpsl.elf 10->17         started        process6 process7 19 morte.mpsl.elf 17->19         started        file8 29 /etc/init.d/sysd, POSIX 19->29 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample tries to persist itself using System V runlevels 19->47 23 morte.mpsl.elf sh 19->23         started        25 morte.mpsl.elf 19->25         started        signatures9 process10 process11 27 sh cp 23->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 16:42:46 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=xcdjdppayok6pncbisu3wqucwveeiywsu6ftcoimaa6pzk62xkhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery persistence
Link:
https://tria.ge/reports/250821-t7wpbsdn9y/
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/933289c3-b480-4e42-b5d4-884f18964d17
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/b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f

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 1c86936a5a7501eaf9556cd3d932895b3ba59fcb8a4930105856506ce6794de4

Mirai

elf b88691bde0c395e7b44144a9bb4282b5484462d2a78b31390c003cfcabdaba8f

(this sample)

  
Dropped by
SHA256 1c86936a5a7501eaf9556cd3d932895b3ba59fcb8a4930105856506ce6794de4
  
Dropped by
MD5 dab2a5c485d42ec94b0c3f3bcdf18d7d
  
URLhaus
https://urlhaus.abuse.ch/url/3608059/
  
Delivery method
Distributed via web download

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