MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f311048f735471c8e67e92ef41d2fe913922301877d143f21fa855768ebff489. 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 6 File information Comments

SHA256 hash: f311048f735471c8e67e92ef41d2fe913922301877d143f21fa855768ebff489
SHA3-384 hash: 46947f8281706871be6cd90a7a43cc66512d8976ed01024e71f0fca6f610f0b97bd14d422f570f25770823c627561f87
SHA1 hash: 1afa58ad539babe917d4267274bc939e1a713f3a
MD5 hash: 4e1469ce45020890205b714dbbaf36ed
humanhash: winter-bluebird-ceiling-table
File name:mpsl
Download: download sample
Signature Mirai
File size:175'500 bytes
First seen:2026-01-19 08:46:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WM/jzXgUH8VplBWnzn4EmAVXjgKHLEBB9:W2jzXgUH8Vgnzn4EmAVsKw
TLSH T1C704D70AAFA11EBBC8AFCD3705A90A4239CC641722A53FB57674D524F54EA0F49D3C78
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 465d3c24f51b3f36de74b8aa1d1c7572ff81f82b688abdcd118db43c54143898
File size (compressed) :53'708 bytes
File size (de-compressed) :175'500 bytes
Format:linux/mipsel
Packed file: 465d3c24f51b3f36de74b8aa1d1c7572ff81f82b688abdcd118db43c54143898

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T06:51:00Z UTC
Last seen:
2026-01-19T10:54:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=ffe20f3d-1b00-0000-a5af-fe94bb0b0000 pid=3003 /usr/bin/sudo guuid=b4fcb840-1b00-0000-a5af-fe94bf0b0000 pid=3007 /tmp/sample.bin guuid=ffe20f3d-1b00-0000-a5af-fe94bb0b0000 pid=3003->guuid=b4fcb840-1b00-0000-a5af-fe94bf0b0000 pid=3007 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: 1853253 Sample: mpsl.elf Startdate: 19/01/2026 Architecture: LINUX Score: 64 17 dongfeng.serveftp.com 45.83.207.194, 3778, 42096, 42098 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->17 19 Malicious sample detected (through community Yara rule) 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 7 mpsl.elf 2->7         started        signatures3 process4 process5 9 mpsl.elf 7->9         started        11 mpsl.elf 7->11         started        13 mpsl.elf 7->13         started        15 mpsl.elf 7->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-19 08:47:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
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
Verdict:
Unknown
Tags:
botnet mirai
YARA:
Mirai_Botnet_Malware
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: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 f311048f735471c8e67e92ef41d2fe913922301877d143f21fa855768ebff489

(this sample)

Comments