MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1ddca8512611169717a8f9dec04cf8a5e5636d49fbbe33f6e80c7cfa8891023. 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


CoinMiner


Vendor detections: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1ddca8512611169717a8f9dec04cf8a5e5636d49fbbe33f6e80c7cfa8891023
SHA3-384 hash: bc8d0b1fd4564f34f0438ca2877a1b16f47b12a7605d6dcdfa45189b15c2336a0445d3d7c2eb58e77a17832d1f915c99
SHA1 hash: 133732b9a349dff2a89c84572b8cae6f99757b5f
MD5 hash: 374dd1a0c17e07b501e7537b01869d9d
humanhash: hamper-purple-batman-white
File name:kworkerd-netns-rt
Download: download sample
Signature CoinMiner
Create hunting rule
File size:350'312 bytes
First seen:2026-06-20 21:12:35 UTC
Last seen:2026-06-20 21:38:33 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:jbsS2t4BTidyJpY+CDrVy8zzdyIwqrgt2A6sI0T5siYM+KBe:fsS0upcxza5KSde
TLSH T1F074194AB7618FA4E378C13006F74BA6A6FE256616E244C5D33CEE107E9035CA81FF95
telfhash t16c41c988b43649bb7db65514cc151636d646f615f8b28f10ef1cc9814a2882a6949f8f
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c9b09ab0ba66f76f8f4cfb00e34a941672dd84c4b535c3f328cf806d6a45cd9c
File size (compressed) :138'428 bytes
File size (de-compressed) :350'312 bytes
Format:linux/mips
Packed file: c9b09ab0ba66f76f8f4cfb00e34a941672dd84c4b535c3f328cf806d6a45cd9c

Intelligence

File Origin
# of uploads :
2
# of downloads :
60
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10058997-0
Create hunting rule

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
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e11617c4-9c6f-4a33-89bb-94e07708c549
Behavior Graph:
Download SVG
%3 guuid=9b3a9c24-1f00-0000-f4b2-e4b8da130000 pid=5082 /usr/bin/sudo guuid=7c253826-1f00-0000-f4b2-e4b8e1130000 pid=5089 /tmp/sample.bin guuid=9b3a9c24-1f00-0000-f4b2-e4b8da130000 pid=5082->guuid=7c253826-1f00-0000-f4b2-e4b8e1130000 pid=5089 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2d3dab9f-550a-4631-8171-13fc32efcbf9
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1931392
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
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
Multi AV Scanner detection for submitted file
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1931392 Sample: kworkerd-netns-rt.elf Startdate: 20/06/2026 Architecture: LINUX Score: 96 63 api.robotmarkethub.com 2->63 65 91.239.211.89, 37746, 39232, 80 HOSTKEY-ASNL Germany 2->65 69 Antivirus / Scanner detection for submitted sample 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected Xmrig cryptocurrency miner 2->73 75 Contains symbols with names commonly found in malware 2->75 10 kworkerd-netns-rt.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 77 Performs DNS TXT record lookups 63->77 process4 signatures5 79 Found strings related to Crypto-Mining 10->79 19 kworkerd-netns-rt.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-rt.elf 19->28         started        57 /tmp/..redis-sentinel, Bourne-Again 21->57 dropped process8 file9 61 /var/spool/cron/crontabs/root, ASCII 28->61 dropped 85 Opens /sys/class/net/* files useful for querying network interface information 28->85 87 Sample deletes itself 28->87 89 Sample tries to persist itself using cron 28->89 32 kworkerd-netns-rt.elf sh 28->32         started        35 kworkerd-netns-rt.elf sh 28->35         started        37 kworkerd-netns-rt.elf sh 28->37         started        39 7 other processes 28->39 signatures10 process11 signatures12 67 Executes itself again with its parent PID as an argument (indicative of hampering debugging) 32->67 41 sh crontab 32->41         started        45 sh crontab 35->45         started        47 sh systemctl 37->47         started        49 sh systemctl 39->49         started        51 sh ls 39->51         started        53 sh ls 39->53         started        55 4 other processes 39->55 process13 file14 59 /var/spool/cron/crontabs/tmp.PPvE1e, ASCII 41->59 dropped 81 Sample tries to persist itself using cron 41->81 83 Executes the "crontab" command typically for achieving persistence 41->83 signatures15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c1ddca8512611169717a8f9dec04cf8a5e5636d49fbbe33f6e80c7cfa8891023
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1ddca8512611169717a8f9dec04cf8a5e5636d49fbbe33f6e80c7cfa8891023/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-06-20 21:13:57 UTC
File Type:
ELF32 Big (SO)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yho4vbismeiws4l2r6o6ybgprjpfmnwut656gp3oqdd47kejcarq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260620-z2y56ahx7p/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c1ddca8512611169717a8f9dec04cf8a5e5636d49fbbe33f6e80c7cfa8891023

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
Create hunting rule
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

CoinMiner

elf c9b09ab0ba66f76f8f4cfb00e34a941672dd84c4b535c3f328cf806d6a45cd9c

CoinMiner

elf c1ddca8512611169717a8f9dec04cf8a5e5636d49fbbe33f6e80c7cfa8891023

(this sample)

  
Dropped by
SHA256 c9b09ab0ba66f76f8f4cfb00e34a941672dd84c4b535c3f328cf806d6a45cd9c
  
URLhaus
https://urlhaus.abuse.ch/url/3868015/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 795adf4f8743adafec502c86f884e620

Comments