MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21cd2e3a6708c04afa7aabbb1efb51f9fb2f1dc0c70bd82069fbe2eea9847337. 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 9 File information Comments

SHA256 hash: 21cd2e3a6708c04afa7aabbb1efb51f9fb2f1dc0c70bd82069fbe2eea9847337
SHA3-384 hash: cc786ec3f44d0e1840ad2b5d94c7250e7b9758724a26d901ae16427c51154c42db6087ef8fccbcc2b586524b8cd32358
SHA1 hash: dac187f70a56f2a8ba6c8f8788864740b4b1874c
MD5 hash: a195dceb00c71de98d912b38ef846d33
humanhash: butter-texas-eleven-winter
File name:morte.arm7
Download: download sample
Signature Mirai
File size:170'548 bytes
First seen:2025-09-24 02:54:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tA8DM2+hDa1xUrBVhByAvffCXvK0zuywt4M/9Ww4:tAmsDa1xUrBVTyAPCfKYuyweM/9/4
TLSH T1F4F33B46EB414A13C0D6277ABA9F424633239764D3DB33069928BFF43F8679E0E67505
telfhash t14421ed31573151196ab1d964ecec97b2152987132389ee33df3ac8dc181a09be93ec0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 677e5e4d6f290073c725620173d6a4c1004fd7d8ecb47dd4aa3813ca2b67e0df
File size (compressed) :65'392 bytes
File size (de-compressed) :170'548 bytes
Format:linux/arm
Packed file: 677e5e4d6f290073c725620173d6a4c1004fd7d8ecb47dd4aa3813ca2b67e0df

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Changes access rights for a file
Receives data from a server
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-24T00:14:00Z UTC
Last seen:
2025-09-24T00:14:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=273f26b0-1a00-0000-a207-d724940b0000 pid=2964 /usr/bin/sudo guuid=5b5aa1b2-1a00-0000-a207-d724990b0000 pid=2969 /tmp/sample.bin guuid=273f26b0-1a00-0000-a207-d724940b0000 pid=2964->guuid=5b5aa1b2-1a00-0000-a207-d724990b0000 pid=2969 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Antivirus / Scanner detection for submitted sample
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1783000 Sample: morte.arm7.elf Startdate: 24/09/2025 Architecture: LINUX Score: 48 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 ars1t.cfd 141.11.167.243, 12121, 46570 FranceTelecom-OrangeFR United Kingdom 2->28 30 2 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 8 morte.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 morte.arm7.elf 8->16         started        18 morte.arm7.elf 8->18         started        20 morte.arm7.elf 8->20         started        process6 22 morte.arm7.elf 16->22         started        24 morte.arm7.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-24 03:00:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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_AllMal_Detector
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 21cd2e3a6708c04afa7aabbb1efb51f9fb2f1dc0c70bd82069fbe2eea9847337

(this sample)

  
Delivery method
Distributed via web download

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