MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4fd8f432858d13721ec996b4c50450f6279be2038b09a86de1215409288f93. 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

SHA256 hash: 7b4fd8f432858d13721ec996b4c50450f6279be2038b09a86de1215409288f93
SHA3-384 hash: d31346f2c8aec0482e41c7555ec77b1ee49d00d6f2f4caac8818b616150ec0e209b915cbf5086af95ae6eee43c10db07
SHA1 hash: ce87477a3e1489a40354ca4f0226963213f0b639
MD5 hash: 03f7657d51032b54c2b246dcc4566475
humanhash: delaware-black-maine-shade
File name:mpsl
Download: download sample
Signature Mirai
File size:265'504 bytes
First seen:2025-12-31 19:02:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:RMyBSdyZPTQVZLVRc5iEscEM8oIv1b9mE8/3sqX:RMyBi5LR5E7t
TLSH T1BC44E50AAF610EFBE8AFCD3706EA1B4124CD641721A87B757634D918F50A64F1AD3CB4
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 b3e990cd4d75cabf6331bc4368a95d165c85fb6fac5e62197bfacc53955035cc
File size (compressed) :80'052 bytes
File size (de-compressed) :265'504 bytes
Format:linux/mipsel
Packed file: b3e990cd4d75cabf6331bc4368a95d165c85fb6fac5e62197bfacc53955035cc

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T16:09:00Z UTC
Last seen:
2026-01-02T05:23:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=c59651cb-1900-0000-e8ef-db191d0a0000 pid=2589 /usr/bin/sudo guuid=0a1bd3cd-1900-0000-e8ef-db19250a0000 pid=2597 /tmp/sample.bin guuid=c59651cb-1900-0000-e8ef-db191d0a0000 pid=2589->guuid=0a1bd3cd-1900-0000-e8ef-db19250a0000 pid=2597 execve guuid=09636dd0-1900-0000-e8ef-db192d0a0000 pid=2605 /usr/bin/dash guuid=0a1bd3cd-1900-0000-e8ef-db19250a0000 pid=2597->guuid=09636dd0-1900-0000-e8ef-db192d0a0000 pid=2605 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842792 Sample: mpsl.elf Startdate: 31/12/2025 Architecture: LINUX Score: 84 33 teamc2.duckdns.org 2->33 35 169.254.169.254, 80 USDOSUS Reserved 2->35 37 3 other IPs or domains 2->37 39 Found malware configuration 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 47 2 other signatures 2->47 8 mpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 45 Uses dynamic DNS services 33->45 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 19:03:14 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 botnet defense_evasion discovery persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
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
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 7b4fd8f432858d13721ec996b4c50450f6279be2038b09a86de1215409288f93

(this sample)

Comments