MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19
SHA3-384 hash: 05d8e3f234c87c91f88b63b3acbe904250fc10878cf56b3a304cd5cb3e08fcb992d43ce17dd2fd28648359265fd8558d
SHA1 hash: b12842bb9d1adc83a64e8bfef3564e8466d1ffa6
MD5 hash: 1f2728dda1f9a0874998199efbf51b4a
humanhash: mississippi-beer-lake-romeo
File name:renji.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'892 bytes
First seen:2025-10-05 02:52:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:SsF5JoYnULjnXdup+7BY6gyOPYPakUWeg+bMZy7Q5PBs3Uoz/:SsF4YnKoU7+YBWz7Q5Uz/
TLSH T14E03F124A9D7ED72E871CC31E6348E0393AF92FD20C932A7178413ED768E02F567A495
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) :40'892 bytes
File size (de-compressed) :92'008 bytes
Format:linux/arm
Unpacked file: d8f91587cbacb5ad33632c9740fb6c595f29ecebb34d489570347fffc22d2122

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68e1dda9c74bd2958b159f5a/reports/9f82d5c0-d0ba-42e1-94df-dbd4043bc847/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
48
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19
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:
2025-10-05T00:14:00Z UTC
Last seen:
2025-10-05T10:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/80f17289-ef7c-4c38-9c98-5a677342a664
Behavior Graph:
Download SVG
%3 guuid=bdf65aaa-1a00-0000-2c58-ede26d0b0000 pid=2925 /usr/bin/sudo guuid=d7b94fad-1a00-0000-2c58-ede26f0b0000 pid=2927 /tmp/sample.bin guuid=bdf65aaa-1a00-0000-2c58-ede26d0b0000 pid=2925->guuid=d7b94fad-1a00-0000-2c58-ede26f0b0000 pid=2927 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9ada48d-11c9-4489-b0b7-592569d545dc
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1789242
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789242 Sample: renji.arm.elf Startdate: 05/10/2025 Architecture: LINUX Score: 60 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 109.202.202.202, 80 INIT7CH Switzerland 2->31 33 3 other IPs or domains 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Sample is packed with UPX 2->37 10 renji.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 process5 18 renji.arm.elf 10->18         started        process6 20 renji.arm.elf 18->20         started        process7 22 renji.arm.elf 20->22         started        process8 24 renji.arm.elf 22->24         started        27 renji.arm.elf 22->27         started        signatures9 39 Manipulation of devices in /dev 24->39 41 Deletes system log files 24->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-10-05 03:10:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7i32iaqenja4snpfgjtkxr2mw7leea2iyldsxbc7b4bkrtiotqmq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251005-ddkf7szsaz/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0be77ea3-2ef5-4bd8-9b51-97bb602fe4f7
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/fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19

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 fa37a402046a41c935e53266abc74cb7d6420348c2c72b845f0f02a8cd0e9c19

(this sample)

Mirai

elf d8f91587cbacb5ad33632c9740fb6c595f29ecebb34d489570347fffc22d2122

  
URLhaus
https://urlhaus.abuse.ch/url/3624317/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 d8f91587cbacb5ad33632c9740fb6c595f29ecebb34d489570347fffc22d2122
  
Dropping
MD5 ac282af9335dce9342715bc5ca4ace8f
  
URLhaus
https://urlhaus.abuse.ch/url/3624323/
  
URLhaus
https://urlhaus.abuse.ch/url/3657416/

Comments