MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a
SHA3-384 hash: 7043f66bdcc3bf6b2eeff2a4101845df796c47388e3b62ccee9700b2a311371f674f53ea180a01e22b6b26bf881411e0
SHA1 hash: 81163e45b0ff249ebb207f67f45f879824a20d57
MD5 hash: c33220d305d72714ae48431e26c62a23
humanhash: cup-hawaii-two-charlie
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:47'068 bytes
First seen:2025-09-13 16:29:09 UTC
Last seen:2025-09-13 19:17:22 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:fr09nk8M10crMTioJLfvnSA93J5gDNcjAtl9q3UELL56vmbecToTpNaiFunatCEk:f49nFMVMVvnrZ52UAt4LLTecTyPCETXg
TLSH T13D23F280DEBCDE5DDE746432F8160C896E6E667DC1E7742E007488B0ADC1928FDB9A53
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) :47'068 bytes
File size (de-compressed) :132'156 bytes
Format:linux/arm
Unpacked file: 8973b175c2ccc969cea9ca7b92996b2195653ae15f62d16514b9e3f1c6b01b0b

Intelligence

File Origin
# of uploads :
3
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.30612.30402.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68c59cb8dbc6f5a29c43737e/reports/2e690eea-5145-465b-95ae-590cfcf7730e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
27
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a
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:
2025-09-13T13:49:00Z UTC
Last seen:
2025-09-13T13:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1d612a23-e67d-414d-a052-e75e25413d62
Behavior Graph:
Download SVG
%3 guuid=6e7d5548-1a00-0000-b7ee-c36a9b090000 pid=2459 /usr/bin/sudo guuid=aa7afa49-1a00-0000-b7ee-c36aa1090000 pid=2465 /tmp/sample.bin guuid=6e7d5548-1a00-0000-b7ee-c36a9b090000 pid=2459->guuid=aa7afa49-1a00-0000-b7ee-c36aa1090000 pid=2465 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4870ed4c-3c64-4daa-92b2-6793905d6aa5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1777055
Signature
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)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777055 Sample: boatnet.arm7.elf Startdate: 13/09/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 89.213.174.225, 33456, 3778 EDGEtaGCIComGB United Kingdom 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 boatnet.arm7.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.arm7.elf 7->15         started        18 boatnet.arm7.elf 7->18         started        20 boatnet.arm7.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-13 16:32:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kv5gdpgoi65o77xrl7qlyt6k2kyaddydirj6glmv4bciv2tzg45a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250913-t2cn9sdp6s/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2beea496-5c0d-49cf-a0c0-6fd8d423ac57
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/557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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 557a61bcce47baeffef15fe0bc4fcad2b0018f034453e32d95e0448aea79373a

(this sample)

Mirai

elf 8973b175c2ccc969cea9ca7b92996b2195653ae15f62d16514b9e3f1c6b01b0b

  
URLhaus
https://urlhaus.abuse.ch/url/3623322/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 8973b175c2ccc969cea9ca7b92996b2195653ae15f62d16514b9e3f1c6b01b0b
  
Dropping
MD5 627516a30dc1f127a4787e321262ba55

Comments