MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3e990cd4d75cabf6331bc4368a95d165c85fb6fac5e62197bfacc53955035cc. 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

SHA256 hash: b3e990cd4d75cabf6331bc4368a95d165c85fb6fac5e62197bfacc53955035cc
SHA3-384 hash: 18f143a37008561490d4be312c4b275a8e0d817b2e7ce4926b65dc486f3ba8d119c5fd7fbdcc7014b2533886ab55cdb4
SHA1 hash: 1ebf904989be8c9a5554b9b1e7d5aec934ef78a8
MD5 hash: 7154e193d5840543b8790b7f936c9ef3
humanhash: florida-coffee-shade-carpet
File name:mpsl
Download: download sample
Signature Mirai
File size:80'052 bytes
First seen:2025-12-31 19:01:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6lUk7ZEoILjFS/lztTBDc/KUTNIRw+SeW/lwUWL:69ZEpXCBDc/9TNIRw+SeWtFm
TLSH T15F7301EC2D552C528EE08CBBA09C40226A48DC7737AC255D3F74CDE9A61C98F6548EF6
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) :80'052 bytes
File size (de-compressed) :265'504 bytes
Format:linux/mipsel
Unpacked file: 7b4fd8f432858d13721ec996b4c50450f6279be2038b09a86de1215409288f93

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T16:09:00Z UTC
Last seen:
2025-12-31T17:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=a39a04af-1a00-0000-1edc-b8a75f0b0000 pid=2911 /usr/bin/sudo guuid=879513b1-1a00-0000-1edc-b8a7630b0000 pid=2915 /tmp/sample.bin guuid=a39a04af-1a00-0000-1edc-b8a75f0b0000 pid=2911->guuid=879513b1-1a00-0000-1edc-b8a7630b0000 pid=2915 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842794 Sample: mpsl.elf Startdate: 31/12/2025 Architecture: LINUX Score: 76 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 60876 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 2 other IPs or domains 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 2 other signatures 2->45 8 mpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 mpsl.elf sh 8->15         started        17 mpsl.elf sh 8->17         started        19 mpsl.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 mpsl.elf 19->27         started        29 mpsl.elf 19->29         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-31 19:02:14 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 botnet defense_evasion discovery persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 b3e990cd4d75cabf6331bc4368a95d165c85fb6fac5e62197bfacc53955035cc

(this sample)

Comments