MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4
SHA3-384 hash: c77a4ecd55bdd51441014df6b32f51af8fc73cb412f1c0c3736b19a14ffb114688144006fb157ffa270b9bbefa0b6e05
SHA1 hash: 5185ddceadc5489681ab79e21a3facbb6734d534
MD5 hash: 03199f1931b7ed271bddb904f11fbba3
humanhash: bluebird-dakota-steak-twelve
File name:mirai.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:53'624 bytes
First seen:2025-11-25 12:27:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:gs7nOmOJxQVIgCgBKb8q8FU8L6u3/hcKScgZy:ce/G8dFdL6u3WKSC
TLSH T14333F232D631916758F16A356D7B088E3ECF86AE617938325220114C7DA3064BCBDBF7
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) :53'624 bytes
File size (de-compressed) :147'173 bytes
Format:linux/arm
Unpacked file: 0a90d8feb55f2c9edd67dea3fa4b6c4f969d53fcdd1752e650716ba61ea96fab

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6925a0e6061d7ed6038c3282/reports/9df2010b-ff4e-4fa1-a8c4-10778e7b2b86/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-25T05:25:00Z UTC
Last seen:
2025-11-26T00:31:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.au HEUR:Backdoor.Linux.Mirai.ad HEUR:Exploit.Linux.Linksys.a
Link:
https://opentip.kaspersky.com/51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b569da46-e639-43fe-9937-3b24e0c2c355
Behavior Graph:
Download SVG
%3 guuid=b701633b-1a00-0000-d783-2973730a0000 pid=2675 /usr/bin/sudo guuid=a435793d-1a00-0000-d783-29737a0a0000 pid=2682 /tmp/sample.bin guuid=b701633b-1a00-0000-d783-2973730a0000 pid=2675->guuid=a435793d-1a00-0000-d783-29737a0a0000 pid=2682 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/886812bb-842f-4eb8-9b70-d5303204ab53
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1820508
Signature
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1820508 Sample: mirai.arm7.elf Startdate: 25/11/2025 Architecture: LINUX Score: 100 31 156.76.161.140 WIECUS United States 2->31 33 156.91.176.146 WAL-MARTUS United States 2->33 35 98 other IPs or domains 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Detected Mirai 2->41 43 5 other signatures 2->43 8 mirai.arm7.elf 2->8         started        10 gnome-session-binary sh gsd-print-notifications 2->10         started        12 xfce4-session rm 2->12         started        14 2 other processes 2->14 signatures3 process4 process5 16 mirai.arm7.elf 8->16         started        18 gsd-print-notifications 10->18         started        process6 20 mirai.arm7.elf 16->20         started        23 mirai.arm7.elf 16->23         started        25 mirai.arm7.elf 16->25         started        29 5 other processes 16->29 27 gsd-print-notifications gsd-printer 18->27         started        signatures7 45 Sample tries to kill multiple processes (SIGKILL) 20->45
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-25 12:28:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgcrqqo3xt5qqjos6f2exhphntonvup4upazgdu7up27nbwtpt2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251125-pnjhfa1pft/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (388207) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
6ewct49g.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4a4251a6-d32f-47cb-ab94-cc12ede841e0
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/51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4

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: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 51851841dbbcfb0825d2f1744b9de76cdcdad1fca3c1930e9fa3f5f686d37cf4

(this sample)

Mirai

elf 0a90d8feb55f2c9edd67dea3fa4b6c4f969d53fcdd1752e650716ba61ea96fab

  
URLhaus
https://urlhaus.abuse.ch/url/3703598/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0a90d8feb55f2c9edd67dea3fa4b6c4f969d53fcdd1752e650716ba61ea96fab
  
Dropping
MD5 94451a5cb18ec77575f8de5cce9675f1

Comments