MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30
SHA3-384 hash: 91f1cf6ff74d5a44566605b41d6dba13bf9b34c9668bf93e8aace8d7bd3aa83bbad4c150c39c217589c62f14a23f95d1
SHA1 hash: 0a36fab7f4d1fddee58b6d35d7976e45d01e6521
MD5 hash: 78321c0dec846cca8ece2ca243e900bf
humanhash: music-orange-ink-sodium
File name:Polar.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:222'664 bytes
First seen:2025-11-22 16:38:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:QbbdyA6kkEYtq/Kivd6MFqnkYNvVUzuV:OQBkD0kYcqV
TLSH T13724D80AABA10EBBE8AFDD3706E90A0124CC556722B47F3A7274C518F54B64F59E3C74
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 acc9ea729fb577311870758f13e08f838e1e658d3fcf1046682667331426f223
File size (compressed) :69'664 bytes
File size (de-compressed) :222'664 bytes
Format:linux/mipsel
Packed file: acc9ea729fb577311870758f13e08f838e1e658d3fcf1046682667331426f223

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.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

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:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6921e7075d3feebe12d7a6e1/reports/53efd6bd-41c2-4e27-8c67-6229e7bd5af7/overview
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:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T14:48:00Z UTC
Last seen:
2025-11-22T15:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4f7bade1-9827-41c8-ab62-0ba00b4c1767
Behavior Graph:
Download SVG
%3 guuid=85432afd-1800-0000-55c6-3456ce070000 pid=1998 /usr/bin/sudo guuid=cc2a56ff-1800-0000-55c6-3456d2070000 pid=2002 /tmp/sample.bin guuid=85432afd-1800-0000-55c6-3456ce070000 pid=1998->guuid=cc2a56ff-1800-0000-55c6-3456d2070000 pid=2002 execve guuid=f871e600-1900-0000-55c6-3456d7070000 pid=2007 /usr/bin/dash guuid=cc2a56ff-1800-0000-55c6-3456d2070000 pid=2002->guuid=f871e600-1900-0000-55c6-3456d7070000 pid=2007 clone guuid=3e90ea00-1900-0000-55c6-3456d8070000 pid=2008 /usr/bin/dash guuid=cc2a56ff-1800-0000-55c6-3456d2070000 pid=2002->guuid=3e90ea00-1900-0000-55c6-3456d8070000 pid=2008 clone guuid=f4a9ee00-1900-0000-55c6-3456d9070000 pid=2009 /usr/bin/dash guuid=f871e600-1900-0000-55c6-3456d7070000 pid=2007->guuid=f4a9ee00-1900-0000-55c6-3456d9070000 pid=2009 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4f87898a-3a96-49bb-8015-ec824a4e82d5
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1819119
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: 1819119 Sample: Polar.mpsl.elf Startdate: 22/11/2025 Architecture: LINUX Score: 76 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 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/0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 16:39:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqa3g6qakkjzwshsqrhctk24bn3ynw4vxo5ke6pnfakb3bv4bmya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251122-t5pg8svjbj/
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/a0f829a6-5c11-4789-8d67-53756e1b6b51
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/0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30

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 acc9ea729fb577311870758f13e08f838e1e658d3fcf1046682667331426f223

Mirai

elf 0401b37a0052939b48f2844e29ab5c0b7786db95bbbaa279ed28141d86bc0b30

(this sample)

  
Dropped by
SHA256 acc9ea729fb577311870758f13e08f838e1e658d3fcf1046682667331426f223
  
URLhaus
https://urlhaus.abuse.ch/url/3714161/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 8ed47e43aaeb1aaef6130099effa68c0
  
URLhaus
https://urlhaus.abuse.ch/url/3714920/

Comments