MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f4ec21e2e16ee93a6f3cae8a8111eea4fc7f30a84cc37ef8d1ec364deaf8bd4. 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 4 File information Comments

SHA256 hash: 8f4ec21e2e16ee93a6f3cae8a8111eea4fc7f30a84cc37ef8d1ec364deaf8bd4
SHA3-384 hash: c923c2e1919420361af8a698952322c7436b30943bef703da9561355ec434d3d4af74cb9b4c821aeac5b108a64e7cc2b
SHA1 hash: b091cb21ace49ae766e0f5d3df54acdb1b35cb73
MD5 hash: 84506a11a9205a5340ad64cfea2f2c47
humanhash: hamper-edward-triple-bravo
File name:bot.armv7l
Download: download sample
File size:79'308 bytes
First seen:2026-05-16 18:21:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:d01rNj7wZAifMY08IAfRSWycNE5ODi589+OIOXil00M7:QVwGx4V5uz5+i6950jM7
TLSH T1EF731992FE81C951C9D929BAF95F41CC338307ACC7DF72028E019A35A6DF5294E7AE41
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 :
1
# of downloads :
23
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
rust
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
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-16T12:10:00Z UTC
Last seen:
2026-05-17T02:57:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=06fe5dc2-1600-0000-fff7-7754560c0000 pid=3158 /usr/bin/sudo guuid=9f4738c4-1600-0000-fff7-77545c0c0000 pid=3164 /tmp/sample.bin guuid=06fe5dc2-1600-0000-fff7-7754560c0000 pid=3158->guuid=9f4738c4-1600-0000-fff7-77545c0c0000 pid=3164 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1914429 Sample: bot.armv7l.elf Startdate: 16/05/2026 Architecture: LINUX Score: 68 93 31.31.79.16, 80 WEDOSCZ Czech Republic 2->93 95 169.254.169.254, 80 USDOSUS Reserved 2->95 97 7 other IPs or domains 2->97 99 Antivirus detection for dropped file 2->99 13 bot.armv7l.elf 2->13         started        15 systemd snapd-env-generator 2->15         started        17 systemd snapd-env-generator 2->17         started        19 6 other processes 2->19 signatures3 process4 process5 21 bot.armv7l.elf 13->21         started        23 bot.armv7l.elf 13->23         started        process6 25 bot.armv7l.elf 21->25         started        file7 89 /etc/rc.local, ASCII 25->89 dropped 91 /etc/init.d/system048, POSIX 25->91 dropped 109 Sample tries to set files in /etc globally writable 25->109 111 Drops files in suspicious directories 25->111 113 Sample tries to persist itself using System V runlevels 25->113 29 bot.armv7l.elf sh 25->29         started        31 bot.armv7l.elf sh 25->31         started        33 bot.armv7l.elf sh 25->33         started        35 4 other processes 25->35 signatures8 process9 process10 37 sh crontab 29->37         started        41 sh 29->41         started        43 sh crontab 31->43         started        45 sh 31->45         started        47 sh update-rc.d 33->47         started        49 sh system048 35->49         started        51 sh systemctl 35->51         started        53 sh systemctl 35->53         started        file11 85 /var/spool/cron/crontabs/tmp.qi0jmb, ASCII 37->85 dropped 101 Sample tries to persist itself using cron 37->101 103 Executes the "crontab" command typically for achieving persistence 37->103 55 sh crontab 41->55         started        58 sh grep 41->58         started        87 /var/spool/cron/crontabs/tmp.0vWHfR, ASCII 43->87 dropped 60 sh crontab 45->60         started        62 sh grep 45->62         started        105 Sample tries to persist itself using System V runlevels 47->105 64 update-rc.d systemctl 47->64         started        66 system048 curl 49->66         started        69 system048 wget 49->69         started        71 systemctl systemd-sysv-install 51->71         started        signatures12 process13 file14 107 Executes the "crontab" command typically for achieving persistence 55->107 83 /tmp/load.sh, POSIX 66->83 dropped 73 systemd-sysv-install update-rc.d 71->73         started        75 systemd-sysv-install update-rc.d 71->75         started        77 systemd-sysv-install getopt 71->77         started        signatures15 process16 process17 79 update-rc.d systemctl 73->79         started        81 update-rc.d systemctl 75->81         started       
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-05-16 18:22:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
File and Directory Permissions Modification
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 8f4ec21e2e16ee93a6f3cae8a8111eea4fc7f30a84cc37ef8d1ec364deaf8bd4

(this sample)

  
Delivery method
Distributed via web download

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