MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33646d861df1394a138b22f1f7a9d84bc0bcbf83b44f18edef8ff85aef77b45d. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: 33646d861df1394a138b22f1f7a9d84bc0bcbf83b44f18edef8ff85aef77b45d
SHA3-384 hash: 834e6023217a98e5d2db2b04159bca4b435ef92b795efbd8b9a45707e5700b4050a7f8ba6718ba82804f4b736d3a25ba
SHA1 hash: 525426d3cadba71126f44346f7a910442160b8de
MD5 hash: 94b508ec3283037b88e1ff02647720a3
humanhash: cat-massachusetts-foxtrot-princess
File name:dlr.arm
Download: download sample
Signature Mirai
File size:190'872 bytes
First seen:2026-07-28 03:59:15 UTC
Last seen:2026-07-28 16:43:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:h8PWBF+BhRV9H+J3wXDoX91F4yU90IOuoYaqqc042DLyZCvbXg3xtHRhjwLXf1EJ:hwW3EhL9HO/3F5q33aBcn6GUvDg3rHRB
TLSH T1F31423A557700420CC9E467B742D40E5BFAFBE10129FDF1C7F0A4D28116AB5B68E8B6A
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :190'872 bytes
File size (de-compressed) :549'028 bytes
Format:linux/arm
Unpacked file: e1826d050e3ea1f9cca6da6f71f25ec75ec55671ac15a838845317ed6e838f32

Intelligence


File Origin
# of uploads :
3
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Receives data from a server
Sets a written file as executable
Creating a file in the %temp% directory
Deleting a recently created file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-07-28T01:48:00Z UTC
Last seen:
2026-07-28T02:09:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ad5abe2e-1f00-0000-ad5c-3377210a0000 pid=2593 /usr/bin/sudo guuid=66a96d33-1f00-0000-ad5c-3377260a0000 pid=2598 /tmp/sample.bin guuid=ad5abe2e-1f00-0000-ad5c-3377210a0000 pid=2593->guuid=66a96d33-1f00-0000-ad5c-3377260a0000 pid=2598 execve
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
23 / 100
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1948705 Sample: dlr.arm.elf Startdate: 28/07/2026 Architecture: LINUX Score: 23 19 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->19 21 daisy.ubuntu.com 91.189.95.56, 443, 50442 CANONICAL-ASGB United States 2->21 23 91.199.133.133, 36526, 36528, 36530 ALEXHOSTMD Germany 2->23 25 Sample is packed with UPX 2->25 7 dlr.arm.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 dlr.arm.elf 7->11         started        13 dlr.arm.elf 7->13         started        15 dlr.arm.elf 7->15         started        17 5 other processes 7->17
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Executes dropped EXE
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 33646d861df1394a138b22f1f7a9d84bc0bcbf83b44f18edef8ff85aef77b45d

(this sample)

  
Delivery method
Distributed via web download

Comments