MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71aab3aa8b7f19fad0138117906e171e8b5df20766552aa22f49428dbbae382c. 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 7 File information Comments

SHA256 hash: 71aab3aa8b7f19fad0138117906e171e8b5df20766552aa22f49428dbbae382c
SHA3-384 hash: 434d6dda035e0b81ae6a87adf2abc3dbc5ee001911f4f5cdee29305ed9a55b7c0721e70bd34c40d76c3b48d5867a3190
SHA1 hash: 17e5ff7551513859c367067aa93888d78403b06f
MD5 hash: 68e1db557143aded17692a33191307e1
humanhash: stream-ohio-neptune-oscar
File name:mpsl
Download: download sample
Signature Mirai
File size:184'164 bytes
First seen:2026-04-10 19:18:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:VCpyxfDQ4zVLW3EDB/dALXZcY8+6A7mx+E5NEQrES:VCGfDQ4x9rocJ+63wCr
TLSH T12F04B609AFA10EBBD86FDE3306AA0A0239CC641731A53B757674D524F54EA0F59E3C78
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 ab784fb6fa354921cfff3f7c1f8bd21ed5ebd6028946bba428875bb088e96ffe
File size (compressed) :55'988 bytes
File size (de-compressed) :184'164 bytes
Format:linux/mipsel
Packed file: ab784fb6fa354921cfff3f7c1f8bd21ed5ebd6028946bba428875bb088e96ffe

Intelligence


File Origin
# of uploads :
1
# of downloads :
138
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Deletes a file
Locks files
Opens a port
Substitutes an application name
Gathering data
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
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:
2026-04-10T17:46:00Z UTC
Last seen:
2026-04-11T03:05:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a037dd38-1800-0000-c2f8-03d2d60c0000 pid=3286 /usr/bin/sudo guuid=800a243b-1800-0000-c2f8-03d2db0c0000 pid=3291 /tmp/sample.bin guuid=a037dd38-1800-0000-c2f8-03d2d60c0000 pid=3286->guuid=800a243b-1800-0000-c2f8-03d2db0c0000 pid=3291 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1896702 Sample: mpsl.elf Startdate: 10/04/2026 Architecture: LINUX Score: 64 21 weifangs.serveftp.com 87.121.84.23, 3778, 45380, 45382 SKATTV-ASBG Bulgaria 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 7 mpsl.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        signatures3 process4 process5 13 mpsl.elf 7->13         started        15 mpsl.elf 7->15         started        17 mpsl.elf 7->17         started        19 mpsl.elf 7->19         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-10 19:19:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion
Behaviour
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 71aab3aa8b7f19fad0138117906e171e8b5df20766552aa22f49428dbbae382c

(this sample)

  
Delivery method
Distributed via web download

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