MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f
SHA3-384 hash: 2fc9d08ce7c912a16475edff8c51d0a0078d07c62da4054d46d224df3d2bb470607d8a420dddd6dc7bf42828edfa4eed
SHA1 hash: f91d6d4d44d299b6459441fb35a338f53285be3f
MD5 hash: 73f0f1f6807ff8d9bff74f54d2eeb8bb
humanhash: april-november-victor-quiet
File name:linux_aarch64
Download: download sample
File size:4'194'304 bytes
First seen:2026-04-04 17:05:37 UTC
Last seen:2026-04-04 21:43:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:Rt5ff5Vspxs8pD4iMUp+5gY5EKOMzDGKYz1V:Zff5VaxsbiMUg57ETV
TLSH T18A167D98FC2DB462E9D87DB83F6502947135FD899F40C3276618FB9DA9F23248F21660
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 :
2
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Unmounts file systems
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Mounts file systems
Manages services
Collects information on the OS
Creating a process from a recently created file
Creates directories
Creating a file in the %temp% directory
Writes files to system directory
Substitutes an application name
Deletes a system binary file
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm crypto golang obfuscated
Link:
https://www.filescan.io/uploads/69d14506be4fad62665fc8d3/reports/41a52ab5-17c2-4a4d-bec7-e39eaa6dd448/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9c175b3b-fe49-4e1b-98bc-2dab47212bdc
Behavior Graph:
Download SVG
%3 guuid=b91700c1-1600-0000-ae8c-0c3fd70f0000 pid=4055 /usr/bin/sudo guuid=49a4ccc2-1600-0000-ae8c-0c3fdd0f0000 pid=4061 /tmp/sample.bin guuid=b91700c1-1600-0000-ae8c-0c3fd70f0000 pid=4055->guuid=49a4ccc2-1600-0000-ae8c-0c3fdd0f0000 pid=4061 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/21b532c5-3bf8-4143-8072-fe0ebdea825b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1893485
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes ELF files to hidden directories
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1893485 Sample: linux_aarch64.elf Startdate: 04/04/2026 Architecture: LINUX Score: 76 83 ak.504.su 82.27.11.165, 28588, 54642 NTLGB United Kingdom 2->83 85 109.202.202.202, 80 INIT7CH Switzerland 2->85 87 3 other IPs or domains 2->87 9 linux_aarch64.elf 2->9         started        11 systemd System.img-6.8.0-8 2->11         started        13 systemd System.img-6.8.0-8 2->13         started        15 24 other processes 2->15 process3 process4 17 linux_aarch64.elf linux_aarch64.elf 9->17         started        21 System.img-6.8.0-8 System.img-6.8.0-8 11->21         started        23 System.img-6.8.0-8 System.img-6.8.0-8 13->23         started        25 System.img-6.8.0-8 System.img-6.8.0-8 15->25         started        27 System.img-6.8.0-8 System.img-6.8.0-8 15->27         started        29 System.img-6.8.0-8 System.img-6.8.0-8 15->29         started        31 6 other processes 15->31 file5 71 /usr/sbin/.write_test_tgux, ASCII 17->71 dropped 73 /usr/sbin/.write_test_k3cv, ASCII 17->73 dropped 75 /usr/sbin/.write_test_4h03, ASCII 17->75 dropped 77 43 other files (39 malicious) 17->77 dropped 89 Writes ELF files to hidden directories 17->89 91 Writes identical ELF files to multiple locations 17->91 93 Sample tries to persist itself using /etc/profile 17->93 95 5 other signatures 17->95 33 linux_aarch64.elf crontab 17->33         started        37 linux_aarch64.elf crontab 17->37         started        39 linux_aarch64.elf update-rc.d 17->39         started        41 26 other processes 17->41 signatures6 process7 file8 79 /var/spool/cron/crontabs/tmp.XReVwJ, ASCII 33->79 dropped 97 Sample tries to persist itself using cron 33->97 99 Executes the "crontab" command typically for achieving persistence 33->99 81 /var/spool/cron/crontabs/tmp.w7C5I6, ASCII 37->81 dropped 101 Sample tries to persist itself using System V runlevels 39->101 43 update-rc.d systemctl 39->43         started        45 sh System 41->45         started        47 sh killai 41->47         started        49 sh .at.atloy 41->49         started        51 12 other processes 41->51 signatures9 process10 process11 53 System sleep 45->53         started        55 System System.img-6.8.0-8 45->55         started        63 3 other processes 45->63 57 killai sleep 47->57         started        65 4 other processes 47->65 59 .at.atloy sleep 49->59         started        67 2 other processes 49->67 61 .font-unix-helpver sleep 51->61         started        69 2 other processes 51->69
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-04-04 17:06:21 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 23 (34.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yaffaio7whtdi6wn45tkpwt7vncv4hkd7i7eok7exkoksq2d6mxq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260404-vmhgmsax2n/
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/c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf c00a5021dfb1e6347acde766a7da7fab455e1d43fa3e472be4ba9ca94343f32f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3801982/
  
Delivery method
Distributed via web download

Comments