MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82
SHA3-384 hash: d283565da44decf31a282b2bd983b84ae0b28f0836591aeffe5573ec46782871d22532717609b5d38c85544f483d4e5a
SHA1 hash: c801e3cb37a36115ac3e29e9899def2dc4056b3b
MD5 hash: 5296b9c567065520c92ea8f55d35d5c9
humanhash: monkey-uranus-nuts-lake
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:87'624 bytes
First seen:2025-06-30 16:27:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Xj39JUKgl+ObXKIyRc7MO4yC3FrQU7RXQzZryBNvG:Xj39JdODQaX4X3FBhiqG
TLSH T12A833B45FC919A22C6C5527BFB6E028E371623A8E2EE3207DD25AF2133C751B0D7B551
telfhash t1370120e10d4c0b9c1fc2c0c098ad31391bbabcf81f0017035e3eab9bc6818e1318582e
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e1cb2eee5c69a0c80198336de508ca901a9e70678f9b2ae291d7781a6bdee794
File size (compressed) :40'472 bytes
File size (de-compressed) :87'624 bytes
Format:linux/arm
Packed file: e1cb2eee5c69a0c80198336de508ca901a9e70678f9b2ae291d7781a6bdee794

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6862bb3b37c343677947de00linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/6862bb1c714e106cecb7ef99/reports/4b3750f0-fa2d-45e2-80bc-09a450cc1238/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
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/81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6143cfc7-9197-416d-813c-984519fafa77
Behavior Graph:
Download SVG
%3 guuid=12c88aa4-2400-0000-d3b5-a70765140000 pid=5221 /usr/bin/sudo guuid=b2fa5fa7-2400-0000-d3b5-a70766140000 pid=5222 /tmp/sample.bin guuid=12c88aa4-2400-0000-d3b5-a70765140000 pid=5221->guuid=b2fa5fa7-2400-0000-d3b5-a70766140000 pid=5222 execve
Gathering data
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1725732
Signature
Antivirus / Scanner detection for submitted sample
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1725732 Sample: morte.arm.elf Startdate: 30/06/2025 Architecture: LINUX Score: 80 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->22 24 daisy.ubuntu.com 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Yara detected Xmrig cryptocurrency miner 2->32 8 morte.arm.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 34 Found strings related to Crypto-Mining 8->34 13 morte.arm.elf 8->13         started        16 morte.arm.elf 8->16         started        process6 signatures7 36 Sample deletes itself 13->36 18 morte.arm.elf 13->18         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-30 16:28:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qfkhzxjjykv2l2pkbr3443lpltawop4xt5wrwryo5lfvq4zzzkba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250630-tyvexahm6s/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Malware Config
C2 Extraction:
abc.galaxias.cc
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f197c869-197d-4833-8e17-c19543c375fc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 e1cb2eee5c69a0c80198336de508ca901a9e70678f9b2ae291d7781a6bdee794

Mirai

elf 81547cdd29c2aba5e9ea0c77ce6d6f5cc1673f979f6d1b470eeacb587339ca82

(this sample)

  
Dropped by
SHA256 e1cb2eee5c69a0c80198336de508ca901a9e70678f9b2ae291d7781a6bdee794
  
URLhaus
https://urlhaus.abuse.ch/url/3569785/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 ef3e1c973ad30acc2a39b40469508cfa

Comments