MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615
SHA3-384 hash: 3f88e2b29bdc78c14b987c48e51c64004720e4f617c78ff7a2ece0f1b2eb46dc4fc69c8c357e5f47ad352ee72ae4fab4
SHA1 hash: d7fa48010455c4417e3a25af5aeb9dffbe2d9ee6
MD5 hash: 62a362d2dc85dacd7974145cb1e3eebe
humanhash: sierra-ink-virginia-mobile
File name:kworkerd-rcu
Download: download sample
File size:140'084 bytes
First seen:2026-06-10 10:06:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:VWfHy8/tTA1nDoNTAfXT79kSD/6PVVAVN3:VgR6k1A1kMyPLs
TLSH T1A4D30299FA279F23C886DD770ACD0E6125CC780FA9962F493536F4FDF54A98248C2854
Magika elf
Reporter BlinkzSec

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a process from a recently created file
Verdict:
Clean
File Type:
ELF 32 LE
Link:
https://opentip.kaspersky.com/2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/73b4fb5d-301f-422b-8b04-0a800c661908
Behavior Graph:
Download SVG
%3 guuid=acbf5b91-1a00-0000-5172-29c5340b0000 pid=2868 /usr/bin/sudo guuid=96cf1593-1a00-0000-5172-29c53a0b0000 pid=2874 /tmp/sample.bin guuid=acbf5b91-1a00-0000-5172-29c5340b0000 pid=2868->guuid=96cf1593-1a00-0000-5172-29c53a0b0000 pid=2874 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fd21b022-9c39-4b9a-acfe-e6aa8b3454ec
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fqnc2llb6y3fesvsx433fjofy7vg6lmhwcacnsobtihmptxaeykq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260610-l5rzcsgx6s/
Behaviour
Reads runtime system information
Writes file to tmp directory
UPX packed file
Executes dropped EXE
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/2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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

elf 2c1a2d2d61f636524ab2bf37b2a5c5c7ea6f2d87b08026c9c19a0ec7cee02615

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3862336/
  
Delivery method
Distributed via web download

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