MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043
SHA3-384 hash: a034c9218dfee960532f4677ed0bc9c6fd64414a6d72771b6d9858fef1064b6552532a527ee0629b8e817278adc88b8d
SHA1 hash: 8674e4e9c016e2de9ed52e0ffdb363732f2917d4
MD5 hash: 16cbc511578a06116ad0949b12b8111d
humanhash: wyoming-cold-london-pennsylvania
File name:morte.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:45'236 bytes
First seen:2025-11-15 18:37:14 UTC
Last seen:2025-11-21 07:28:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:S3Lz1SGVh33PjBqXLFAtxhKlyIwOaWitmVzUTE/L498sODe4uVcqgw09k7:S3lS6bB2At7KlyI7aWiUgULcOK4u+qgE
TLSH T17E13F15DF8816EE0FEF48DB46CE4809DF3A02E1417A70D772840AF5A249FC16A359ED6
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) :45'236 bytes
File size (de-compressed) :112'204 bytes
Format:linux/ppc32
Unpacked file: d565336a647d10ba4d5f482052e301e55006ebd4ccb4716b3e87d0f7f522ddc7

Intelligence

File Origin
# of uploads :
3
# of downloads :
150
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9936831-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6918c8608d0a7764432c1d41/reports/0ff3d92c-11b2-4d51-8978-4a337d2a6a82/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-14T20:12:00Z UTC
Last seen:
2025-11-16T05:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d7f99fa9-e3a5-43d3-8019-a93adffaddd5
Behavior Graph:
Download SVG
%3 guuid=da2e5003-1b00-0000-1c8f-9dfc750b0000 pid=2933 /usr/bin/sudo guuid=104ff305-1b00-0000-1c8f-9dfc7c0b0000 pid=2940 /tmp/sample.bin guuid=da2e5003-1b00-0000-1c8f-9dfc750b0000 pid=2933->guuid=104ff305-1b00-0000-1c8f-9dfc7c0b0000 pid=2940 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/75e5c493-3252-4939-9dc5-79f2ee2efb29
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1814711
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814711 Sample: morte.ppc.elf Startdate: 15/11/2025 Architecture: LINUX Score: 76 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 41.216.189.110, 41292, 41294, 41296 AS40676US South Africa 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 2 other signatures 2->34 8 morte.ppc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 morte.ppc.elf 8->12         started        14 morte.ppc.elf 8->14         started        16 morte.ppc.elf 8->16         started        process6 18 morte.ppc.elf 12->18         started        20 morte.ppc.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-15 01:07:58 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qh4b4swtkcgnqznzernszblcieir2anx7kbz6ihcakavlcna6bbq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/251115-w9mkjsbq2s/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9936831-0
YARA:
n/a
Link:
https://app.threat.zone/submission/42cd1c4d-a358-4c57-97c5-fb5dc60b8719
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 81f81e4ad3508cd865b9245b2c856241111d01b7fa839f20e202815589a0f043

(this sample)

Mirai

elf d565336a647d10ba4d5f482052e301e55006ebd4ccb4716b3e87d0f7f522ddc7

  
URLhaus
https://urlhaus.abuse.ch/url/3704791/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 d565336a647d10ba4d5f482052e301e55006ebd4ccb4716b3e87d0f7f522ddc7
  
Dropping
MD5 3cd941849cd63d3ee0c0e472365ddeb7

Comments