MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced
SHA3-384 hash: d6af2cd0a32e343ed1372851ed60d845bad19560c0d16cbfc75276e6a3ff3d40a8757fbca81bc027a304bca9c93c9079
SHA1 hash: d14a6ea997b5097202a747b0953df57866ddbda8
MD5 hash: 5e47853a5fd884184bc012eb6fd99c32
humanhash: carbon-oregon-enemy-sad
File name:kworkerd-irq
Download: download sample
Signature CoinMiner
Create hunting rule
File size:247'644 bytes
First seen:2026-06-20 06:02:50 UTC
Last seen:2026-06-20 06:02:52 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:vXJ/d+On8d6ueXxtrrY1r21rmRU6GfIr8R49Vvke2wTt78Oew:pd+OnJuoxtvY1S1rmRUxR+t/13
TLSH T1D9342AA9BC40DB66C6E427BAFB4C429933134F74C3DD3506CD245F2976EB55B0A3A282
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3559470d1dc6eb5c171bb6041c69b9916c702a7a8c9646fad0762045c4169d5b
File size (compressed) :107'124 bytes
File size (de-compressed) :247'644 bytes
Format:linux/arm
Packed file: 3559470d1dc6eb5c171bb6041c69b9916c702a7a8c9646fad0762045c4169d5b

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Opens a port
Collects information on the CPU
Creating a file in the %temp% directory
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
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Manages services
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 expand gcc lolbin rust
Link:
https://www.filescan.io/uploads/6a362d43a419cb85d28d508c/reports/ffb2ce98-9125-40da-aac1-5e4fccf6808e/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-06-20T05:39:00Z UTC
Last seen:
2026-06-21T23:50:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cd92b6be-72f6-4160-a65a-152a32ea6ff7
Behavior Graph:
Download SVG
%3 guuid=dd51074d-1f00-0000-4f02-2df147140000 pid=5191 /usr/bin/sudo guuid=4edf264f-1f00-0000-4f02-2df148140000 pid=5192 /tmp/sample.bin guuid=dd51074d-1f00-0000-4f02-2df147140000 pid=5191->guuid=4edf264f-1f00-0000-4f02-2df148140000 pid=5192 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9e26ce5a-0ad9-46c7-96bf-65a8213ea90b
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1931296
Signature
Antivirus / Scanner detection for submitted sample
Drops invisible ELF files
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
Searches for CPU information (likely indicative of DDoS capability)
Writes identical ELF files to multiple locations
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1931296 Sample: kworkerd-irq.elf Startdate: 20/06/2026 Architecture: LINUX Score: 96 106 api.robotmarkethub.com 2->106 108 91.239.211.89, 36046, 36048, 36054 HOSTKEY-ASNL Germany 2->108 110 3 other IPs or domains 2->110 112 Antivirus / Scanner detection for submitted sample 2->112 114 Yara detected Xmrig cryptocurrency miner 2->114 13 systemd sh 2->13         started        15 kworkerd-irq.elf 2->15         started        18 systemd snapd-env-generator 2->18         started        20 3 other processes 2->20 signatures3 116 Performs DNS TXT record lookups 106->116 process4 signatures5 22 sh sh 13->22         started        24 sh wget 13->24         started        27 sh rm 13->27         started        138 Found strings related to Crypto-Mining 15->138 29 kworkerd-irq.elf 15->29         started        process6 file7 31 sh 22->31         started        33 sh 22->33         started        35 sh wget 22->35         started        41 17 other processes 22->41 104 /tmp/..redis-sentinel, POSIX 24->104 dropped 39 kworkerd-irq.elf 29->39         started        process8 file9 43 sh .d 31->43         started        45 sh .d 33->45         started        96 /tmp/.d, ELF 35->96 dropped 122 Writes identical ELF files to multiple locations 35->122 124 Drops invisible ELF files 35->124 47 kworkerd-irq.elf sh 39->47         started        49 kworkerd-irq.elf sh 39->49         started        98 /run/.d, ELF 41->98 dropped 100 /dev/shm/.d, ELF 41->100 dropped 126 Searches for CPU information (likely indicative of DDoS capability) 41->126 128 Sample deletes itself 41->128 51 sh awk 41->51         started        53 sh cut 41->53         started        55 sh 41->55         started        57 sh 41->57         started        signatures10 process11 process12 59 .d 43->59         started        61 .d 45->61         started        63 sh systemctl 47->63         started        65 sh systemctl 49->65         started        process13 67 .d 59->67         started        71 .d 61->71         started        file14 102 /var/spool/cron/crontabs/root, ASCII 67->102 dropped 130 Opens /sys/class/net/* files useful for querying network interface information 67->130 132 Sample deletes itself 67->132 134 Sample tries to persist itself using cron 67->134 73 .d sh 67->73         started        76 .d sh 67->76         started        78 .d sh 71->78         started        80 .d sh 71->80         started        signatures15 process16 signatures17 82 sh crontab 73->82         started        86 sh crontab 76->86         started        136 Executes itself again with its parent PID as an argument (indicative of hampering debugging) 78->136 88 sh crontab 78->88         started        90 sh crontab 80->90         started        process18 file19 92 /var/spool/cron/crontabs/tmp.0riwdv, ASCII 82->92 dropped 94 /var/spool/cron/crontabs/tmp.SZtOEn, ASCII 88->94 dropped 118 Sample tries to persist itself using cron 88->118 120 Executes the "crontab" command typically for achieving persistence 88->120 signatures20
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-06-20 06:05:53 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7hgaw2lqebrxxyyk5w4ogq4bhlw6q6zmytk65er5cbnyo6qe3twq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260620-gscxfsdv2q/
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/f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced

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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 3559470d1dc6eb5c171bb6041c69b9916c702a7a8c9646fad0762045c4169d5b

CoinMiner

elf f9cc0b697020637be30aedb8e343813aede87b2cc4d5ee923d105b877a04dced

(this sample)

  
Dropped by
SHA256 3559470d1dc6eb5c171bb6041c69b9916c702a7a8c9646fad0762045c4169d5b
  
URLhaus
https://urlhaus.abuse.ch/url/3868014/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 6fb801b998801cb2c5ed6bca8f6efe2f

Comments