MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c1e97858d11f97a0157f31aeb413c76ecd9cd96062929e2e659ae9e3c0dc78c4. 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: 7
| SHA256 hash: | c1e97858d11f97a0157f31aeb413c76ecd9cd96062929e2e659ae9e3c0dc78c4 |
|---|---|
| SHA3-384 hash: | a28852f65033faf1dfd3ae7dd6ea702b2dd7cd418138273fb07d26c394723b789dc99de6a428906c53b08acf45925bc2 |
| SHA1 hash: | 8c553f41afa957680b155f7560a2f06621eac497 |
| MD5 hash: | 883ae61b18863aff8ca41f8cd678eba2 |
| humanhash: | washington-xray-oscar-golf |
| File name: | kworkerd |
| Download: | download sample |
| Signature | CoinMiner |
| File size: | 110'344 bytes |
| First seen: | 2026-06-20 21:15:40 UTC |
| Last seen: | 2026-06-21 01:18:19 UTC |
| File type: | elf |
| MIME type: | application/x-sharedlib |
| ssdeep | 3072:xd41MFk5CMmOeYtZ0m+yKCrCfofRtLIoa+laT:xd41Me6OxnKCrCw3LIslaT |
| TLSH | T158B30229E53C0981E53DD0F551BFE23066ADD4CBB2F81309F2C85CA02426CF1ADA7A5B |
| 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: | CoinMiner elf mirai |
Intelligence
File Origin
# of uploads :
3
# of downloads :
83
Origin country :
DEVendor 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
Deleting a recently created file
Launching a process
Manages services
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
0/10
Confidence:
100%
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-20T16:31:00Z UTC
Last seen:
2026-06-22T11:40:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
Verdict:
Unknown
Result
Threat name:
Xmrig
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:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-06-20 21:16:40 UTC
File Type:
ELF64 Little (SO)
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
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.
Threat name:
Legit
Score:
0.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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