MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f91fa8a4c5e27570471adaa1d53a68ad32a4c38f8f9f12d74bbf5614b3baaf14. 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 4 File information Comments

SHA256 hash: f91fa8a4c5e27570471adaa1d53a68ad32a4c38f8f9f12d74bbf5614b3baaf14
SHA3-384 hash: d143acc2e2dc7d9bba78ebc67e2ac07c5fb0164f291f3c52b36bb1bd485cc0fe08c7ae8f90d540acc2163f6e5ebf1426
SHA1 hash: 3e974e19ea551cda0799ca968fdcfac71b1acd88
MD5 hash: 849a5bbdbce8eaef1d1d80fcf6601251
humanhash: six-aspen-avocado-alpha
File name:UnHAnaAW.mpsl
Download: download sample
Signature Mirai
File size:113'036 bytes
First seen:2025-11-11 18:51:03 UTC
Last seen:2025-11-12 15:12:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:K2/lvKkGUMs4AiwguiWhqEkHMEDJL53ot08jWfZYnPxSM+UcEIY:K2/lvKkGUMstiCiWhqEaM0nmWfjM+U3
TLSH T170B3C606BB310FB7E85BCD3B4AA51705158D650A21F97F7A7A30D818F64B26F1AE3870
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

Intelligence


File Origin
# of uploads :
3
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
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:
2025-11-11T15:58:00Z UTC
Last seen:
2025-11-11T17:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Exploit.Linux.CVE-2017-17215.a
Status:
terminated
Behavior Graph:
%3 guuid=0d14605d-1800-0000-9669-e7347c090000 pid=2428 /usr/bin/sudo guuid=a11e2c5f-1800-0000-9669-e73484090000 pid=2436 /tmp/sample.bin guuid=0d14605d-1800-0000-9669-e7347c090000 pid=2428->guuid=a11e2c5f-1800-0000-9669-e73484090000 pid=2436 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1812218 Sample: UnHAnaAW.mpsl.elf Startdate: 11/11/2025 Architecture: LINUX Score: 64 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 UnHAnaAW.mpsl.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-11 18:51:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:echobot family:mirai
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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 f91fa8a4c5e27570471adaa1d53a68ad32a4c38f8f9f12d74bbf5614b3baaf14

(this sample)

  
Delivery method
Distributed via web download

Comments