MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d
SHA3-384 hash: 37a35b288730decb9ac4d88f91bdae70f4da59d5e04dbc9938e775f8910b2134bce4092a55d2c88aa6a542f92078b576
SHA1 hash: aca465797f20ce94aae770ad587fc06e9ede0f64
MD5 hash: 307ca352bbceac0cdf9db70ee26c2f09
humanhash: ceiling-bravo-rugby-wyoming
File name:6nyoswt3ky
Download: download sample
File size:238'109 bytes
First seen:2026-04-10 07:49:25 UTC
Last seen:2026-04-10 12:20:29 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:GFpAaoW+x7HPRj59NxyxF0ZObCMl8/69w4TdzSREhWqUful6oGQw:w+xVCHEOxlY69FxSRhvC6oGt
TLSH T1333412619281097FC01BC2B98E5BD43AF773B09D619A7B0719DAFE712E04D692B4EF01
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:elf

Intelligence

File Origin
# of uploads :
3
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.12052.17550.9158.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Mounts file systems
Connection attempt
Runs as daemon
Launching a process
Sends data to a server
DNS request
Creating a process from a recently created file
Creating a file
Creates or modifies symbolic links
Creating a file in the %temp% directory
Deleting a recently created file
Changes the time when the file was created, accessed, or modified
Receives data from a server
Sets a written file as executable
Creates or modifies files in /cron to set up autorun
Deletes a system binary file
Substitutes an application name
Writes files to system directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69d8abc95ea31bc68a1d3b7e/reports/cb795b47-489c-4826-bbd5-f5e3371b91dc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-09T19:06:00Z UTC
Last seen:
2026-04-09T23:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/20378624-e07d-4137-a0b6-8bebac019d18
Behavior Graph:
Download SVG
%3 guuid=1b123000-1700-0000-68ee-39ceef0e0000 pid=3823 /usr/bin/sudo guuid=d06c4203-1700-0000-68ee-39cefc0e0000 pid=3836 memfd:lfebdzq3 write-file guuid=1b123000-1700-0000-68ee-39ceef0e0000 pid=3823->guuid=d06c4203-1700-0000-68ee-39cefc0e0000 pid=3836 execve guuid=dae9d503-1700-0000-68ee-39ceff0e0000 pid=3839 memfd:lfebdzq3 zombie guuid=d06c4203-1700-0000-68ee-39cefc0e0000 pid=3836->guuid=dae9d503-1700-0000-68ee-39ceff0e0000 pid=3839 clone guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3840 memfd:lfebdzq3 delete-file net send-data write-config write-file zombie guuid=dae9d503-1700-0000-68ee-39ceff0e0000 pid=3839->guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3840 clone 5c4dc244-93f3-5dcb-b797-2d80f54a56d0 179.43.182.70:443 guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3840->5c4dc244-93f3-5dcb-b797-2d80f54a56d0 send: 292B 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3840->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3844 memfd:lfebdzq3 guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3840->guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3844 clone guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3845 memfd:lfebdzq3 delete-file zombie guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3840->guuid=411ae003-1700-0000-68ee-39ce000f0000 pid=3845 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0e752b0f-ca87-49f1-8bc4-469b5ad07183
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1896371
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Sample tries to persist itself using cron
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1896371 Sample: 6nyoswt3ky.elf Startdate: 10/04/2026 Architecture: LINUX Score: 60 45 igmc.duckdns.org 2->45 47 igmc.duckdns.org 179.43.182.70, 443, 59012 PLI-ASCH Panama 2->47 49 4 other IPs or domains 2->49 51 Writes identical ELF files to multiple locations 2->51 53 Drops files in suspicious directories 2->53 10 10 2->10         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 55 Uses dynamic DNS services 45->55 process4 file5 41 /memfd:1dln7tcf (deleted), ELF 10->41 dropped 57 Writes identical ELF files to multiple locations 10->57 18 10->18         started        signatures6 process7 process8 20 18->20         started        file9 33 /usr/sbin/dbus-daemon, ELF 20->33 dropped 35 /usr/libexec/dbus-daemon, ELF 20->35 dropped 37 /usr/lib/dbus-daemon, ELF 20->37 dropped 39 2 other malicious files 20->39 dropped 23 sh 20->23         started        25 sh 20->25         started        process10 process11 27 sh crontab 23->27         started        31 sh crontab 25->31         started        file12 43 /var/spool/cron/crontabs/tmp.omcSI5, ASCII 27->43 dropped 59 Sample tries to persist itself using cron 27->59 61 Executes the "crontab" command typically for achieving persistence 27->61 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=veg4vcybzz7hbonrjand5pro527kwvczqoli6p6kroozz33ngugq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260410-jpkh8sbs7w/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d

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: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

elf a90dca8b01ce7e70b9b1481a3ebe2eeebeab545983968f3fca8b9d9cef6d350d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3815449/
  
Delivery method
Distributed via web download

Comments