MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a97f2be659972982b61aee906b13d8ea4e9e16a2d1284c33f8ed99d8ea41ff59. 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 3 File information Comments

SHA256 hash: a97f2be659972982b61aee906b13d8ea4e9e16a2d1284c33f8ed99d8ea41ff59
SHA3-384 hash: 87b5830c7292dc4f319dfe7805a486ea2358a1c35de3c9f77f33842e71ccf080c14b9e26d8b47b3789ef2851d8000e5e
SHA1 hash: 98fe940f1dbee86bf5dd83817d0b8ebcdc095dd9
MD5 hash: 74b01d02bc1b5a5daaedff1a9600b41e
humanhash: low-neptune-twelve-happy
File name:ntmpsl
Download: download sample
Signature Mirai
File size:37'764 bytes
First seen:2025-12-23 02:43:27 UTC
Last seen:2025-12-23 15:13:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:PWE/aaSMbhwtYBJaJg7aSbd6/5dNxSh6O2SVMW2F:PW96h0JgTx6/1k6d
TLSH T19C03E22ED65C6BC1C8EC26BDFD5D1B748A7CB198027F07461791C9846A7D40FBB0909A
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) :37'764 bytes
File size (de-compressed) :97'592 bytes
Format:linux/mipsel
Unpacked file: 038d5244e53e849055d5ff1a5bfa6ec17bf18f4d3972c628f524eff21abc1747

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
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:
2025-12-23T00:12:00Z UTC
Last seen:
2025-12-23T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=2ce272ab-1a00-0000-5cff-d39e98090000 pid=2456 /usr/bin/sudo guuid=c33109ae-1a00-0000-5cff-d39e9f090000 pid=2463 /tmp/sample.bin guuid=2ce272ab-1a00-0000-5cff-d39e98090000 pid=2456->guuid=c33109ae-1a00-0000-5cff-d39e9f090000 pid=2463 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838025 Sample: ntmpsl.elf Startdate: 23/12/2025 Architecture: LINUX Score: 72 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 94.156.152.67, 18129, 60338 NET1-ASBG Bulgaria 2->25 27 4 other IPs or domains 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 35 Sample is packed with UPX 2->35 8 ntmpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 37 Sample deletes itself 8->37 17 ntmpsl.elf 8->17         started        process6 process7 19 ntmpsl.elf 17->19         started        21 ntmpsl.elf 17->21         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-23 02:44:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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 a97f2be659972982b61aee906b13d8ea4e9e16a2d1284c33f8ed99d8ea41ff59

(this sample)

  
Delivery method
Distributed via web download

Comments