MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f
SHA3-384 hash: 5fded57a3055541703911fc970309d3bca1c5f7f6fa8bf965c9c122b48f9065d19db570320234273ac092128592365f1
SHA1 hash: 9b726a3463c454dcae10f0aef7ced74bb4b8b60e
MD5 hash: 80c01ae436d7730979f16be7086515ad
humanhash: fillet-yellow-william-papa
File name:Polar.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:251'908 bytes
First seen:2025-11-18 21:52:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:1sdzANQolmEyUQe1aAuwZ9n4DcpLaclI+ibgV/Gcul:1sola5e1a5wZ9n4gdzx/k
TLSH T187343A46EB804E13C0C627B9F69F42553333D764D7EB7306A9296BB03B837AA4F62505
telfhash t1af413fb29334912a1a61dc18e8ecab72483ec7171345fe77de25c8cc281944ee53ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db
File size (compressed) :90'644 bytes
File size (de-compressed) :251'908 bytes
Format:linux/arm
Packed file: 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
NL NL
Vendor Threat Intelligence
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-7135925-0
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.Trojan.Mirai-9760303-0
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
DNS request
Runs as daemon
Opens a port
Sends data to a server
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/691cead2fd49bfa113844068/reports/db876bba-b10d-4949-90ad-47ca3786f953/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-18T20:00:00Z UTC
Last seen:
2025-11-18T20:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1ad0d402-c8ed-4267-a014-41b3094c1e22
Behavior Graph:
Download SVG
%3 guuid=434bd9be-1b00-0000-ddc4-7e2fb00b0000 pid=2992 /usr/bin/sudo guuid=ca38f5c0-1b00-0000-ddc4-7e2fb90b0000 pid=3001 /tmp/sample.bin guuid=434bd9be-1b00-0000-ddc4-7e2fb00b0000 pid=2992->guuid=ca38f5c0-1b00-0000-ddc4-7e2fb90b0000 pid=3001 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1816541
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816541 Sample: Polar.arm7.elf Startdate: 18/11/2025 Architecture: LINUX Score: 68 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 4 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 8 Polar.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Polar.arm7.elf 8->12         started        14 Polar.arm7.elf 8->14         started        16 Polar.arm7.elf 8->16         started        process6 18 Polar.arm7.elf 12->18         started        20 Polar.arm7.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f/
Threat name:
Linux.Trojan.LnxMirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 21:53:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fimtynajd7i3r2q3ieypnlr6dn5fv6fuuphpwd6psdqx5dtw5r7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251118-1rtclazpfz/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/91fafa5f-4e1e-44fc-83c2-d6f8a9bd3aca
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/2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db

Mirai

elf 2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f

(this sample)

  
Dropped by
SHA256 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db
  
URLhaus
https://urlhaus.abuse.ch/url/3711449/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 a523d58778e1f39e47c20e66b306bedf
  
URLhaus
https://urlhaus.abuse.ch/url/3711457/

Comments