MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4. 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: 6


Intelligence 6 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4
SHA3-384 hash: a1ff0f4c33014adc1ae833f35a272970fff6386d399690ff1c31447527cb4e74ae2ea33215a88d9099a0bbfabce10497
SHA1 hash: 01037c579db159d0804e6516096ef7f60b147bc4
MD5 hash: 773aa88b7cd55192e47a3ad9c2bec27a
humanhash: stairway-alanine-asparagus-xray
File name:linux_arm6
Download: download sample
File size:4'259'840 bytes
First seen:2026-04-04 16:48:04 UTC
Last seen:2026-04-05 01:16:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:eGuDPn90fi4LhiLp/CljtwWpb631Zom5OTa9j12nceACzzhkSNRPNR+F7PnJ0Nza:LHPnr2Z5gdYPTqLyuUnAQ9muEZD11
TLSH T130161A5BB8914682C0E4367ABC7E81C432A31EBD9B9B13676D05FE3C3ABE1990D35714
telfhash t175b012e1ac2d015d376f94de000c420c18f019f0239223880f81b40e4a46c34f0d6473
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm crypto expand golang lolbin obfuscated
Link:
https://www.filescan.io/uploads/69d140ca2346b9da57bce90d/reports/9c68985b-f593-4966-9ffd-58ee99ae1ce6/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/399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/aaa271c9-1f78-43e2-8f6b-9dac467721ce
Behavior Graph:
Download SVG
%3 guuid=99c5c41b-1800-0000-4968-c4bc600d0000 pid=3424 /usr/bin/sudo guuid=3a5c931d-1800-0000-4968-c4bc670d0000 pid=3431 /tmp/sample.bin guuid=99c5c41b-1800-0000-4968-c4bc600d0000 pid=3424->guuid=3a5c931d-1800-0000-4968-c4bc670d0000 pid=3431 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3b8b131e-1991-4dee-8987-c7c25be1bc06
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1893484
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
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 identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1893484 Sample: linux_arm6.elf Startdate: 04/04/2026 Architecture: LINUX Score: 68 83 ak.504.su 82.27.11.165, 28588, 48458 NTLGB United Kingdom 2->83 9 linux_arm6.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_arm6.elf linux_arm6.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_m8fv, ASCII 17->71 dropped 73 /usr/sbin/.write_test_m847, ASCII 17->73 dropped 75 /usr/sbin/.at.atloy.tmp_hba4y, POSIX 17->75 dropped 77 29 other files (25 malicious) 17->77 dropped 85 Writes identical ELF files to multiple locations 17->85 87 Sample tries to persist itself using /etc/profile 17->87 89 Drops invisible ELF files 17->89 91 3 other signatures 17->91 33 linux_arm6.elf crontab 17->33         started        37 linux_arm6.elf crontab 17->37         started        39 linux_arm6.elf sh 17->39         started        41 24 other processes 17->41 signatures6 process7 file8 79 /var/spool/cron/crontabs/tmp.Bknoe6, ASCII 33->79 dropped 93 Sample tries to persist itself using cron 33->93 95 Executes the "crontab" command typically for achieving persistence 33->95 81 /var/spool/cron/crontabs/tmp.UGFiYf, ASCII 37->81 dropped 43 sh System 39->43         started        97 Sample tries to persist itself using System V runlevels 41->97 45 sh killai 41->45         started        47 sh .at.atloy 41->47         started        49 sh .font-unix-helpver 41->49         started        51 16 other processes 41->51 signatures9 process10 process11 53 System sleep 43->53         started        55 System System.img-6.8.0-8 43->55         started        63 5 other processes 43->63 57 killai sleep 45->57         started        65 4 other processes 45->65 59 .at.atloy sleep 47->59         started        67 2 other processes 47->67 61 .font-unix-helpver sleep 49->61         started        69 2 other processes 49->69
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4/
Threat name:
Linux.Virus.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-04-04 16:48:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgokm2tnx5vqha2i3g3eug7xadolznwfxbvla6sfjdudcnrt332a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260404-va698sav7p/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Reads list of loaded kernel modules
Write file to user bin folder
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/399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 399ca66a6dbf6b038348d9b64a1bf700dcbcb6c5b86ab07a4548e8313633def4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3801986/
  
Delivery method
Distributed via web download

Comments