MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9349110551754e719b9eaeabc2b692cac6316e032ccb4dce4931ebfb6e291fbb. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash: 9349110551754e719b9eaeabc2b692cac6316e032ccb4dce4931ebfb6e291fbb
SHA3-384 hash: 5470df67cb2394920c25c14e18a404cf7b19d5aa1b3d1dbfb8f502922be1d1a4fbe8840fe90469ba64ea0f0550c3bc52
SHA1 hash: bbd0e2ca195b72d50e982e9534b5e82241c6730e
MD5 hash: a2d9e91763d93514284c5b72fcf5e85c
humanhash: stream-connecticut-zebra-minnesota
File name:kworkerd-netns
Download: download sample
File size:138'468 bytes
First seen:2026-06-21 15:15:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:enfpWLk2Unh2ywuN0aVXe7x6EsFl/on9ihyddCI7Vq:enfpx2QtwuN0AX0b0W9Rdtpq
TLSH T16ED3129F290686FED926683A823177E8DF10093FD191BF54120BDBF6D4D508AFE47852
Magika unknown
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :138'468 bytes
File size (de-compressed) :350'376 bytes
Format:linux/mips
Unpacked file: a7990b9026200d4d350e6e15750545cd3bb64b52965810807fd1b30bd87c6582

Intelligence


File Origin
# of uploads :
1
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Deleting a recently created file
Collects information on the CPU
Sets a written file as executable
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Creating a file in the %temp% directory
Launching a process
Opens a port
Sends data to a server
Creating a file
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Kills critical processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Status:
terminated
Behavior Graph:
%3 guuid=c5a7806c-1900-0000-734d-6aca24140000 pid=5156 /usr/bin/sudo guuid=7a322c6e-1900-0000-734d-6aca25140000 pid=5157 /tmp/sample.bin guuid=c5a7806c-1900-0000-734d-6aca24140000 pid=5156->guuid=7a322c6e-1900-0000-734d-6aca25140000 pid=5157 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
76 / 100
Signature
Executes itself again with its parent PID as an argument (indicative of hampering debugging)
Executes the "crontab" command typically for achieving persistence
Found strings related to Crypto-Mining
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS TXT record lookups
Sample deletes itself
Sample tries to persist itself using cron
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1931502 Sample: kworkerd-netns.elf Startdate: 21/06/2026 Architecture: LINUX Score: 76 57 api.robotmarkethub.com 2->57 59 91.239.211.89, 34910, 37706, 37708 HOSTKEY-ASNL Germany 2->59 63 Yara detected Xmrig cryptocurrency miner 2->63 10 kworkerd-netns.elf 2->10         started        13 systemd sh 2->13         started        15 systemd snapd-env-generator 2->15         started        17 systemd snapd-env-generator 2->17         started        signatures3 65 Performs DNS TXT record lookups 57->65 process4 signatures5 67 Found strings related to Crypto-Mining 10->67 19 kworkerd-netns.elf 10->19         started        21 sh wget 13->21         started        24 sh sh 13->24         started        26 sh rm 13->26         started        process6 file7 28 kworkerd-netns.elf 19->28         started        51 /tmp/..redis-sentinel, Bourne-Again 21->51 dropped process8 file9 55 /var/spool/cron/crontabs/root, ASCII 28->55 dropped 73 Opens /sys/class/net/* files useful for querying network interface information 28->73 75 Sample deletes itself 28->75 77 Sample tries to persist itself using cron 28->77 32 kworkerd-netns.elf sh 28->32         started        35 kworkerd-netns.elf sh 28->35         started        37 kworkerd-netns.elf sh 28->37         started        39 kworkerd-netns.elf sh 28->39         started        signatures10 process11 signatures12 61 Executes itself again with its parent PID as an argument (indicative of hampering debugging) 32->61 41 sh crontab 32->41         started        45 sh crontab 35->45         started        47 sh systemctl 37->47         started        49 sh systemctl 39->49         started        process13 file14 53 /var/spool/cron/crontabs/tmp.KoeuBK, ASCII 41->53 dropped 69 Sample tries to persist itself using cron 41->69 71 Executes the "crontab" command typically for achieving persistence 41->71 signatures15
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Reads MAC address of network interface
Deletes itself
Modifies Watchdog functionality
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:elf_arm_mips_ko_so

File information


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

Web download

elf 9349110551754e719b9eaeabc2b692cac6316e032ccb4dce4931ebfb6e291fbb

(this sample)

  
Delivery method
Distributed via web download

Comments