MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a
SHA3-384 hash: 377235f1301ab71de7b7fa9d867db1465d765bd03fff09712c63031aebb1ae000b0c8d62d3e84b28b90606d312e42af9
SHA1 hash: eaa038369aa4f5981ae2268f3861119d31493abc
MD5 hash: 95192ca357f6d560c29dcf7a9e519967
humanhash: white-nineteen-seven-enemy
File name:Polar.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:234'588 bytes
First seen:2025-12-04 17:11:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:+Yd8brdaeJkWYp6QrrP5GStNdzRHpkQQeJ:VcYLtbRRHzJ
TLSH T1ED34D60AABA10EFBE8ABCD3305ED1B0124CC652722A93F7A7274D514F54A64F55E3C78
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 fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8
File size (compressed) :73'812 bytes
File size (de-compressed) :234'588 bytes
Format:linux/mipsel
Packed file: fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
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
Link:
https://research.acce.ciphertechsolutions.com/results/d3b1feae-76dc-48a7-899e-4151656cf9f2/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6931c0f2bba50eaf04218e7c/reports/a9affc37-f311-4f37-9cd8-63af7cd6fa93/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T15:23:00Z UTC
Last seen:
2025-12-04T22:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/93ba650d-802a-4bb5-b1d9-0fcd3aa20778
Behavior Graph:
Download SVG
%3 guuid=546e9e9d-1900-0000-520e-e319260c0000 pid=3110 /usr/bin/sudo guuid=ff7ce8a1-1900-0000-520e-e3192d0c0000 pid=3117 /tmp/sample.bin guuid=546e9e9d-1900-0000-520e-e319260c0000 pid=3110->guuid=ff7ce8a1-1900-0000-520e-e3192d0c0000 pid=3117 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4a39685e-a5fc-49a6-a10f-016bd4e97a83
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1826563
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826563 Sample: Polar.mpsl.elf Startdate: 04/12/2025 Architecture: LINUX Score: 76 22 uraniumc2.ddns.net 2->22 24 uraniumc2.ddns.net 143.20.185.225, 60976, 60978, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 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 Yara detected Gafgyt 2->34 8 Polar.mpsl.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.mpsl.elf 8->12         started        14 Polar.mpsl.elf 8->14         started        16 Polar.mpsl.elf 8->16         started        process6 18 Polar.mpsl.elf 12->18         started        20 Polar.mpsl.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 17:12:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pkmxzryumbniflout23ks6ywbgvrmh45nrswnewflvowscqbckfa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251204-vqy9kabp3z/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/9ef897a0-c758-47ab-90b5-569549c0fc95
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/7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8

Mirai

elf 7a997cc714605a82add49eb6a97b1609ab161f9d6c656692c55d5d690a01128a

(this sample)

  
Dropped by
SHA256 fbd3fb6d7d867a42d40a78d344e8a3aa15efe4fff7d79058fc2fc5d5336a14e8
  
URLhaus
https://urlhaus.abuse.ch/url/3712748/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3d6f17dc8b6d15ebf7fe11179672a967
  
URLhaus
https://urlhaus.abuse.ch/url/3711526/

Comments