MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b. 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: 4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b
SHA3-384 hash: cd758563749d2632cb30a6a0ff13ce3313c1272cf1919179cfe52565c5740c5a4d2d9065cbfe92f3be17e0ae139f77b6
SHA1 hash: c6530609d2e9385066c8a85a460dc806e005fc0d
MD5 hash: 574c2f84e16e4a073bc3e5fa4fb49f05
humanhash: magnesium-zulu-iowa-dakota
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:67'872 bytes
First seen:2025-10-03 04:11:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YGCH6UWzeAW5wa5pVNU4oVszluCwL+QbB0qmz4HPY:jW1WzeAWv0jcyL+QbBeoPY
TLSH T1896312A5E1EB2A619A31B43794738EC4F6551D29FB4A371F26310FE43255049B6F20E3
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :67'872 bytes
File size (de-compressed) :174'880 bytes
Format:linux/arm
Unpacked file: 1d4b70119ea3e53387b77563e9747176fba444200fbb081947e7135ee042c940

Intelligence

File Origin
# of uploads :
1
# of downloads :
23
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68df4d6174e5a289899f5df7/reports/f6d5285e-b8c5-4598-8c80-6012209c00ca/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/4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b
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:
2025-10-02T20:33:00Z UTC
Last seen:
2025-10-03T03:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/00335cfe-6a26-4735-a5f1-173caf5d72ec
Behavior Graph:
Download SVG
%3 guuid=d5aa5740-1a00-0000-a58c-72a44a0a0000 pid=2634 /usr/bin/sudo guuid=80a88442-1a00-0000-a58c-72a4500a0000 pid=2640 /tmp/sample.bin guuid=d5aa5740-1a00-0000-a58c-72a44a0a0000 pid=2634->guuid=80a88442-1a00-0000-a58c-72a4500a0000 pid=2640 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e7ab9d3a-c9ad-4d64-aa5d-0b72436d6ce8
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1788487
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1788487 Sample: morte.arm7.elf Startdate: 03/10/2025 Architecture: LINUX Score: 88 32 109.202.202.202, 80 INIT7CH Switzerland 2->32 34 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->34 36 4 other IPs or domains 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 Yara detected Xmrig cryptocurrency miner 2->42 44 Sample is packed with UPX 2->44 10 morte.arm7.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 17 morte.arm7.elf 10->17         started        process6 process7 19 morte.arm7.elf 17->19         started        file8 30 /etc/init.d/sysd, POSIX 19->30 dropped 46 Sample tries to set files in /etc globally writable 19->46 48 Drops files in suspicious directories 19->48 50 Sample tries to persist itself using System V runlevels 19->50 23 morte.arm7.elf 19->23         started        26 morte.arm7.elf sh 19->26         started        signatures9 process10 signatures11 52 Sample deletes itself 23->52 28 sh cp 26->28         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-03 02:17:00 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=jpffydtjedvpbhvhp5lwgl5tcg3mcqdirf4azrcydl6lxtzhzefq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery execution persistence upx
Link:
https://tria.ge/reports/251003-es8ysaslt5/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes itself
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6b3612e9-c2ed-4e41-bd33-46203aef0f66
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/4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b

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 4bca5c0e6920eaf09ea77f57632fb311b6c1406889780cc4581afcbbcf27c90b

(this sample)

Mirai

elf 1d4b70119ea3e53387b77563e9747176fba444200fbb081947e7135ee042c940

  
URLhaus
https://urlhaus.abuse.ch/url/3631994/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1d4b70119ea3e53387b77563e9747176fba444200fbb081947e7135ee042c940
  
Dropping
MD5 60e289286a9da5da659d2f00da3731ee

Comments