MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e28f6fe6f48cabd1c821a64bd0785ffdaca1379a414780d5db6a6c110fbb123. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: 8e28f6fe6f48cabd1c821a64bd0785ffdaca1379a414780d5db6a6c110fbb123
SHA3-384 hash: 7c3d32e04149c51e8f533675e30a1f3c6f9ef5a24ae287da82fba72538151684de79d567fae2a216b04bd9615ff54b1f
SHA1 hash: 1461617e27550c7a994000563cc5f424288aea91
MD5 hash: 0f410a2acb96790e324f25f677380b09
humanhash: zebra-cardinal-salami-william
File name:kworker_u8
Download: download sample
File size:1'993'672 bytes
First seen:2026-06-04 10:04:49 UTC
Last seen:2026-06-05 10:22:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:dXdCFpGmOcJO+Ffu7aqMgtdwJ4M7yR7q41y+xA8e9Mj:dXepNO6saJgdwyMe9qXi/
TLSH T14E9533D8E5034C5B610800278D7F36A4105A1615CED8978BFA16DF3FA6198BFB6B9B0F
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

Intelligence


File Origin
# of uploads :
4
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:

Behaviour
Collects information on the CPU
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Collects information on the OS
Creating a file in the %temp% subdirectories
Launching a process
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-04T07:25:00Z UTC
Last seen:
2026-06-06T01:24:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=bc5f089a-1a00-0000-51e5-496bb3080000 pid=2227 /usr/bin/sudo guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234 /tmp/sample.bin net send-data write-file guuid=bc5f089a-1a00-0000-51e5-496bb3080000 pid=2227->guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234 execve 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 49B guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2299 /tmp/sample.bin guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234->guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2299 clone guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2300 /tmp/sample.bin dns net send-data guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234->guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2300 clone guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2301 /tmp/sample.bin dns net guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234->guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2301 clone guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2302 /tmp/sample.bin net write-file guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2234->guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2302 clone guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2300->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 49B 7728dbb8-dcfa-5698-a301-507a8902b01a 160.191.243.187:443 guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2300->7728dbb8-dcfa-5698-a301-507a8902b01a con 68be2212-4fc4-5131-93cb-d738da932b65 speed.cloudflare.com:80 guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2300->68be2212-4fc4-5131-93cb-d738da932b65 send: 84B guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2301->7728dbb8-dcfa-5698-a301-507a8902b01a con guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2301->68be2212-4fc4-5131-93cb-d738da932b65 con b619669b-6add-5aba-88d3-b4e40271df50 speed.cloudflare.com:53 guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2301->b619669b-6add-5aba-88d3-b4e40271df50 con guuid=aa38bb9c-1a00-0000-51e5-496bba080000 pid=2302->7728dbb8-dcfa-5698-a301-507a8902b01a con
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-06-04 10:06:30 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
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/
Rule name:upx_antiunpack_elf64
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF64

File information


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

Web download

elf 8e28f6fe6f48cabd1c821a64bd0785ffdaca1379a414780d5db6a6c110fbb123

(this sample)

  
Delivery method
Distributed via web download

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