MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c2d1ffb8d00e3e93d60dc3294b08ce9afa08962d2658a67694b8f9c477e87d3. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c2d1ffb8d00e3e93d60dc3294b08ce9afa08962d2658a67694b8f9c477e87d3
SHA3-384 hash: a8e3a7447614968cce9554e3cc050ba6946d2aec07747fbcfaa1024bf8916cf7b2f314b4d6c960af2eea1f082dc6332e
SHA1 hash: ef9bb84bf5dd3942b480068f65d6fc8024a12e9d
MD5 hash: 4edf3bb35c31da2d595497d0bca39eeb
humanhash: batman-west-sad-helium
File name:kworkerd-softirq
Download: download sample
Signature CoinMiner
Create hunting rule
File size:104'988 bytes
First seen:2026-06-20 20:47:37 UTC
Last seen:2026-06-21 16:22:33 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:kioGWpBo3D4Guv2xqPYt+qhSZNUcbLGFBzfX:1s84GuvOqPwha/bLGnX
TLSH T19CA3122181A8FE50D4FCAE7755CAD0C71F1FC3A0242A36721589AEF3694029B23DD9DA
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf UPX
File size (compressed) :104'988 bytes
File size (de-compressed) :243'552 bytes
Format:linux/arm
Unpacked file: a32e7b6c1bab32642fa78f78d1891f8ba1ca8c4fa2bb382ea91350c9290a1107

Intelligence

File Origin
# of uploads :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Armada.1.20982.20913.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Sets a written file as executable
Creating a file in the %temp% directory
Manages services
Receives data from a server
Connection attempt
Launching a process
Creating a file
Collects information on the CPU
Changes the time when the file was created, accessed, or modified
Opens a port
Changes access rights for a written file
DNS request
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a36fc9e9de4cf364c0f76c5/reports/eb4b78f8-1dbd-48e6-af45-be77762dcb93/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/48a7bb0b-e799-401c-9247-7a9c3836c7da
Behavior Graph:
Download SVG
%3 guuid=62efd33d-1c00-0000-80b3-e411640c0000 pid=3172 /usr/bin/sudo guuid=a69d4641-1c00-0000-80b3-e411650c0000 pid=3173 /tmp/sample.bin guuid=62efd33d-1c00-0000-80b3-e411640c0000 pid=3172->guuid=a69d4641-1c00-0000-80b3-e411650c0000 pid=3173 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3ed106f6-6ecf-4126-9d53-cedc353bbbc4
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1931381
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1931381 Sample: kworkerd-softirq.elf Startdate: 20/06/2026 Architecture: LINUX Score: 76 57 api.robotmarkethub.com 2->57 59 91.239.211.89, 36048, 43482, 43486 HOSTKEY-ASNL Germany 2->59 61 4 other IPs or domains 2->61 65 Yara detected Xmrig cryptocurrency miner 2->65 10 kworkerd-softirq.elf 2->10         started        13 systemd sh 2->13         started        15 systemd snapd-env-generator 2->15         started        17 3 other processes 2->17 signatures3 67 Performs DNS TXT record lookups 57->67 process4 signatures5 69 Found strings related to Crypto-Mining 10->69 19 kworkerd-softirq.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-softirq.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 75 Opens /sys/class/net/* files useful for querying network interface information 28->75 77 Sample deletes itself 28->77 79 Sample tries to persist itself using cron 28->79 32 kworkerd-softirq.elf sh 28->32         started        35 kworkerd-softirq.elf sh 28->35         started        37 kworkerd-softirq.elf sh 28->37         started        39 kworkerd-softirq.elf sh 28->39         started        signatures10 process11 signatures12 63 Executes itself again with its parent PID as an argument (indicative of hampering debugging) 32->63 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.gRq8wf, ASCII 41->53 dropped 71 Sample tries to persist itself using cron 41->71 73 Executes the "crontab" command typically for achieving persistence 41->73 signatures15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5c2d1ffb8d00e3e93d60dc3294b08ce9afa08962d2658a67694b8f9c477e87d3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c2d1ffb8d00e3e93d60dc3294b08ce9afa08962d2658a67694b8f9c477e87d3/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lqwr764nadr6spla3qzjjmem5gx2bclc2jsyuz3jjohzyr36q7jq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260620-zlnz9ahw4p/
Behaviour
Reads runtime system information
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/5c2d1ffb8d00e3e93d60dc3294b08ce9afa08962d2658a67694b8f9c477e87d3

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:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 5c2d1ffb8d00e3e93d60dc3294b08ce9afa08962d2658a67694b8f9c477e87d3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3868022/
  
Delivery method
Distributed via web download

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