MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b52dc99c027df8963afc942c5e22355b426c910ec334a75490163e92973e1a4d. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b52dc99c027df8963afc942c5e22355b426c910ec334a75490163e92973e1a4d
SHA3-384 hash: c5aeefbc86c7706e86af9c3ece6590bf7e3d9e5aa7eac01a6bcf9c9d8caa436d6ae30362e1f89d7366492956192a9dd8
SHA1 hash: 4f93144eccd9f61f7d2fc137825965ab2b251fc1
MD5 hash: 2399ded686a89dbb23eda773ae3b7cf8
humanhash: tennis-juliet-quebec-steak
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:173'447 bytes
First seen:2026-02-26 20:49:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:W+YBJIvNbRN/yFad33L57z4S9Ll21AoEnecUvvBKFM/9wOnmhwwD/Y:WdBJIvNbHaFad33L57z4qLlFoQebvvBZ
TLSH T131043B46EB414B13C4D227BABA9F424533239B64D3EB33069918BFB43F8679E0E67505
telfhash t123311e716b3516186ea1c964dcec97b2551e8b071345aa32df3ac4dc181e49fe53ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 41dfa8bee31d7d5c4f97499cb9258aae40235357089d8c62d9aee73bc2964452
File size (compressed) :67'196 bytes
File size (de-compressed) :173'447 bytes
Format:linux/arm
Packed file: 41dfa8bee31d7d5c4f97499cb9258aae40235357089d8c62d9aee73bc2964452

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/5728ba05-fc84-46fe-9ba9-61c3ea2d0c4b/
Detection(s):
Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/69a0b20410e80629d4f44c88/reports/6dd4ac6c-1b05-477d-af0e-d769e6358cc8/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/b52dc99c027df8963afc942c5e22355b426c910ec334a75490163e92973e1a4d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Gathering data
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1875632
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
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: 1875632 Sample: morte.arm7.elf Startdate: 26/02/2026 Architecture: LINUX Score: 88 36 185.91.127.182, 1337 VIRTUAL1GB United Kingdom 2->36 38 109.202.202.202, 80 INIT7CH Switzerland 2->38 40 4 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 Yara detected Xmrig cryptocurrency miner 2->46 10 morte.arm7.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 56 Found strings related to Crypto-Mining 10->56 17 morte.arm7.elf 10->17         started        process6 process7 19 morte.arm7.elf 17->19         started        file8 32 /etc/init.d/sysd, POSIX 19->32 dropped 48 Sample tries to set files in /etc globally writable 19->48 50 Drops files in suspicious directories 19->50 52 Sample tries to persist itself using System V runlevels 19->52 23 morte.arm7.elf sh 19->23         started        25 morte.arm7.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        54 Sample deletes itself 25->54 process12 file13 34 /usr/bin/.sh, ELF 28->34 dropped 58 Drops invisible ELF files 28->58 60 Drops files in suspicious directories 28->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b52dc99c027df8963afc942c5e22355b426c910ec334a75490163e92973e1a4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b52dc99c027df8963afc942c5e22355b426c910ec334a75490163e92973e1a4d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 20:50:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wuw4thacpx4jmox4sqwf4irvlnbgzeioym2koveqcy7jffz6djgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery execution persistence
Link:
https://tria.ge/reports/260226-zmkn8afx6c/
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
Write file to user bin folder
Deletes itself
Malware Config
C2 Extraction:
last.galaxias.cc
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 41dfa8bee31d7d5c4f97499cb9258aae40235357089d8c62d9aee73bc2964452

Mirai

elf b52dc99c027df8963afc942c5e22355b426c910ec334a75490163e92973e1a4d

(this sample)

  
Dropped by
SHA256 41dfa8bee31d7d5c4f97499cb9258aae40235357089d8c62d9aee73bc2964452
  
URLhaus
https://urlhaus.abuse.ch/url/3783916/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4fbea6b3aa0c88827ab84ec5c321d560

Comments