MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4df87639e03ac655893e64db5acdf6d5848ae631eb61ca6c0148353e6f02d5c7. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 4df87639e03ac655893e64db5acdf6d5848ae631eb61ca6c0148353e6f02d5c7
SHA3-384 hash: 8980e9e3c4b8945ae1575665da80deee47c0d06777ce743fc8082460b7946d629f4f318bfbe10435eea20f68739c47e4
SHA1 hash: 757b36c7284d59077a1674dd5585376e4428a7bb
MD5 hash: 8654bc73e363384b827dbde73d7f5635
humanhash: princess-romeo-william-eleven
File name:arm5
Download: download sample
Signature Mirai
File size:34'716 bytes
First seen:2025-12-27 20:27:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:WF61cTLx9J6Sn33yQF/FrdkEuL8e/NOis3UozV:KBngyyg/9uLLNSzV
TLSH T168F2E0F025C978629DB15436F7AC0FC62F22563AD1E57F4B5728826E1DC470A4BB8CCA
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) :34'716 bytes
File size (de-compressed) :88'172 bytes
Format:linux/arm
Unpacked file: 4fb08bd457c3ea9f88b8bb4eb3c4f3ba93c1d028b4debae218d12f1bc150a02e

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T20:45:00Z UTC
Last seen:
2025-12-27T21:06:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=0f132b9f-1a00-0000-1372-838dd00c0000 pid=3280 /usr/bin/sudo guuid=ac9612a1-1a00-0000-1372-838dd20c0000 pid=3282 /tmp/sample.bin guuid=0f132b9f-1a00-0000-1372-838dd00c0000 pid=3280->guuid=ac9612a1-1a00-0000-1372-838dd20c0000 pid=3282 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-27 20:27:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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 4df87639e03ac655893e64db5acdf6d5848ae631eb61ca6c0148353e6f02d5c7

(this sample)

  
Delivery method
Distributed via web download

Comments