MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d81de82c2ae6dabdf3504a06d3c7ccbc0e07be34453e931511e2474f62eca52. 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 3 File information Comments

SHA256 hash: 4d81de82c2ae6dabdf3504a06d3c7ccbc0e07be34453e931511e2474f62eca52
SHA3-384 hash: 9e79febf3bd0f0635a119f409908426131699f7260708cd0bae1c13ee24b77ffe5faacbfda3b4f447d8ef39175c9ab79
SHA1 hash: 94241a8143bdf989cbc54f6d84042267159bd11e
MD5 hash: 44ab477c4edc2c49a8d5ab34ba3cdb2b
humanhash: edward-oscar-lemon-hotel
File name:Demon.arm
Download: download sample
Signature Mirai
File size:29'540 bytes
First seen:2025-08-21 17:45:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:6823P90UeNjQV6yihQCvQg2i+uG8bvvJhP4s3UozU:6x0UiQVIt+uR7vJzU
TLSH T1A7D2F17833482821DB7C7034F8BCCDC71BB61AB9E1CAB8299550DABC39854475EB49B7
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) :29'540 bytes
File size (de-compressed) :78'844 bytes
Format:linux/arm
Unpacked file: efcde67379cfbd07d727e52999a05761278f3353cb24cc608cc8cbd93b56ab3d

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-21T16:09:00Z UTC
Last seen:
2025-08-21T16:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=661dee9d-1d00-0000-8b99-83cdd3080000 pid=2259 /usr/bin/sudo guuid=e1907aa1-1d00-0000-8b99-83cdda080000 pid=2266 /tmp/sample.bin guuid=661dee9d-1d00-0000-8b99-83cdd3080000 pid=2259->guuid=e1907aa1-1d00-0000-8b99-83cdda080000 pid=2266 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1762312 Sample: Demon.arm.elf Startdate: 21/08/2025 Architecture: LINUX Score: 80 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 89.187.28.175, 3778, 41906 UA-WICOMWiMAXUkraineAutonomousSystemUA Ukraine 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 Demon.arm.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 Demon.arm.elf 7->15         started        18 Demon.arm.elf 7->18         started        20 Demon.arm.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-21 17:47:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 4d81de82c2ae6dabdf3504a06d3c7ccbc0e07be34453e931511e2474f62eca52

(this sample)

  
Delivery method
Distributed via web download

Comments