MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3fcaaaeb43db8c988923d49758d85d8c2a06aa5da548c1251a793ee6db34d43. 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



Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: e3fcaaaeb43db8c988923d49758d85d8c2a06aa5da548c1251a793ee6db34d43
SHA3-384 hash: c6562c599dbc4c56d080e873397f3facbc2070218b25c0e6dab3f55d20a10ee5f7a9552dbd2bd685712ee9a5647f6e6d
SHA1 hash: 112314ddb8225553359e2a7085bb54995fe7056b
MD5 hash: b7cfe9ee93fadc2d7825eade6c1badc0
humanhash: twenty-snake-rugby-hawaii
File name:rcuop_0
Download: download sample
File size:1'727'128 bytes
First seen:2026-06-21 06:05:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:RtzQEtrGGCtcLKAMiPJ4iWBePK4yed1PbuBTAtDC:RhQqGGC8RPJ4icePb1Pbu1p
TLSH T1858533E6A0FD1B46DBCE02F1289CE541E2E76760BE013AD80F0F4A3D89C65C257EC599
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 BlinkzSec
Tags:UPX
File size (compressed) :1'727'128 bytes
File size (de-compressed) :5'898'388 bytes
Format:linux/arm64
Unpacked file: cef5d8528b5f37d224c259e41875edc3ab0eb784fc0d46c84c7e6beec0f31815

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Creating a file in the %temp% subdirectories
Changes the time when the file was created, accessed, or modified
Launching a process
Creating a process from a recently created file
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-21T03:21:00Z UTC
Last seen:
2026-06-22T23:48:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.tw
Status:
terminated
Behavior Graph:
%3 guuid=d896c132-1f00-0000-d322-a472d80c0000 pid=3288 /usr/bin/sudo guuid=172a2f36-1f00-0000-d322-a472e00c0000 pid=3296 /tmp/sample.bin guuid=d896c132-1f00-0000-d322-a472d80c0000 pid=3288->guuid=172a2f36-1f00-0000-d322-a472e00c0000 pid=3296 execve
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-06-21 05:56:37 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux 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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf e3fcaaaeb43db8c988923d49758d85d8c2a06aa5da548c1251a793ee6db34d43

(this sample)

  
Delivery method
Distributed via web download

Comments