MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28ec2b868df8c21baaff3eefc2ded14f42b40a51f4cadbe494d456bc7cf4a5ce. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28ec2b868df8c21baaff3eefc2ded14f42b40a51f4cadbe494d456bc7cf4a5ce
SHA3-384 hash: bfd2c409d31e8466c2e4ff26040094e580c0e3f013e0ad3bcc87b4884f8fcda6867707175c9c2c74d2ce8ec04c1a6d06
SHA1 hash: 05ae180f51a52de66a92956cd532946d4bb3a807
MD5 hash: ade342758805d49f45cff4bc9abbabdb
humanhash: sierra-apart-paris-floor
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-21 16:46:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T127C42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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 :
81
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31951.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9095.25068.15277.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6856e23732ed47a3a8d6730clinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Runs as daemon
Creates directories
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Connection attempt
Locks files
Opens a port
Changes access rights for a written file
Collects information on the CPU
Receives data from a server
Sends data to a server
DNS request
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/6856e1eecf2af1571113fac6/reports/46773821-3872-49fd-a631-04255b67aa95/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/096d9a56-4de9-4a9c-9a58-fa6b02198398
Behavior Graph:
Download SVG
%3 guuid=25ac15aa-1600-0000-a966-46b1970c0000 pid=3223 /usr/bin/sudo guuid=6780dcab-1600-0000-a966-46b19c0c0000 pid=3228 /root/.sys/configuration guuid=25ac15aa-1600-0000-a966-46b1970c0000 pid=3223->guuid=6780dcab-1600-0000-a966-46b19c0c0000 pid=3228 execve guuid=d395ffab-1600-0000-a966-46b19d0c0000 pid=3229 /usr/bin/dash guuid=6780dcab-1600-0000-a966-46b19c0c0000 pid=3228->guuid=d395ffab-1600-0000-a966-46b19d0c0000 pid=3229 execve guuid=0a6b2fac-1600-0000-a966-46b19f0c0000 pid=3231 /usr/bin/dash guuid=6780dcab-1600-0000-a966-46b19c0c0000 pid=3228->guuid=0a6b2fac-1600-0000-a966-46b19f0c0000 pid=3231 execve guuid=959f91ac-1600-0000-a966-46b1a20c0000 pid=3234 /root/.sys/configuration zombie guuid=6780dcab-1600-0000-a966-46b19c0c0000 pid=3228->guuid=959f91ac-1600-0000-a966-46b1a20c0000 pid=3234 clone guuid=db3c56ac-1600-0000-a966-46b1a00c0000 pid=3232 /usr/bin/dash guuid=0a6b2fac-1600-0000-a966-46b19f0c0000 pid=3231->guuid=db3c56ac-1600-0000-a966-46b1a00c0000 pid=3232 clone guuid=c9f162ac-1600-0000-a966-46b1a10c0000 pid=3233 /usr/bin/dash guuid=0a6b2fac-1600-0000-a966-46b19f0c0000 pid=3231->guuid=c9f162ac-1600-0000-a966-46b1a10c0000 pid=3233 clone guuid=900155b3-1600-0000-a966-46b1b00c0000 pid=3248 /root/.sys/configuration guuid=959f91ac-1600-0000-a966-46b1a20c0000 pid=3234->guuid=900155b3-1600-0000-a966-46b1b00c0000 pid=3248 clone guuid=b3a363b3-1600-0000-a966-46b1b10c0000 pid=3249 /root/.sys/configuration guuid=900155b3-1600-0000-a966-46b1b00c0000 pid=3248->guuid=b3a363b3-1600-0000-a966-46b1b10c0000 pid=3249 clone guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250 /root/.sys/configuration dns net net-scan send-data guuid=b3a363b3-1600-0000-a966-46b1b10c0000 pid=3249->guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 1100160e-b456-554d-97f6-6b4f7e534e20 31.200.249.162:31982 guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250->1100160e-b456-554d-97f6-6b4f7e534e20 send: 68B 0d91fd6c-39d2-5ebb-8dfd-1c78ff880eb2 31.200.249.146:31864 guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250->0d91fd6c-39d2-5ebb-8dfd-1c78ff880eb2 send: 68B 20a6ff9a-9826-5d6c-ba80-c66418ae8c1d 31.210.223.39:41604 guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250->20a6ff9a-9826-5d6c-ba80-c66418ae8c1d con guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250|send-data send-data to 308 IP addresses review logs to see them all guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250->guuid=203b83b3-1600-0000-a966-46b1b20c0000 pid=3250|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/31c825b2-24b3-4f94-90e3-0fc6f8eeea0d
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1719928
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1719928 Sample: i686.elf Startdate: 21/06/2025 Architecture: LINUX Score: 68 38 31.200.249.162, 31982, 49610 NETRACK-ASRU Russian Federation 2->38 40 61.192.40.219, 6881 ZAQJupiterTelecommunicationsCoLtdJP Japan 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 i686.elf configuration 2->10         started        signatures3 process4 process5 12 i686.elf sh 10->12         started        14 configuration 10->14         started        17 i686.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.6s0ADg, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28ec2b868df8c21baaff3eefc2ded14f42b40a51f4cadbe494d456bc7cf4a5ce
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28ec2b868df8c21baaff3eefc2ded14f42b40a51f4cadbe494d456bc7cf4a5ce/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-21 16:47:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdwcxbun7dbbxkx7h3x4fxwrj5blicsr6tfnxzeu2rlly7huuxha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution linux persistence privilege_escalation rootkit
Link:
https://tria.ge/reports/250621-t99c7st1bw/
Behaviour
Creates/modifies Cron job
Loads a kernel module
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ed732250-cc59-4936-bbf9-487d4b748d66
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/28ec2b868df8c21baaff3eefc2ded14f42b40a51f4cadbe494d456bc7cf4a5ce

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 28ec2b868df8c21baaff3eefc2ded14f42b40a51f4cadbe494d456bc7cf4a5ce

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558166/
  
Delivery method
Distributed via web download

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