MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef787284dcfe56100082be54abbfaabb57a259bf462d9cafe01137f4de34ebfb. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef787284dcfe56100082be54abbfaabb57a259bf462d9cafe01137f4de34ebfb
SHA3-384 hash: b457dc2468c292081faa02149784e351de172e18bee44751b2d1529cd7a163c8e0e684227947d516cf78d73cbdb87f45
SHA1 hash: 397c7414c08b485fb248507e56fce62b76ae34d4
MD5 hash: 5b322b5b4738b92551d4cfccabc91e12
humanhash: angel-july-football-six
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-23 05:20:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T14AA41212E290D8FEC4CAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
67
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9080.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

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

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6858e42132ed47a3a8d69720linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5e829ff7-6593-43be-8273-6455f17494f3
Behavior Graph:
Download SVG
%3 guuid=934231c9-1800-0000-e45b-f91d8a080000 pid=2186 /usr/bin/sudo guuid=a7df5dcb-1800-0000-e45b-f91d91080000 pid=2193 /tmp/sample.bin guuid=934231c9-1800-0000-e45b-f91d8a080000 pid=2186->guuid=a7df5dcb-1800-0000-e45b-f91d91080000 pid=2193 execve guuid=d25a9ccb-1800-0000-e45b-f91d92080000 pid=2194 /usr/bin/dash guuid=a7df5dcb-1800-0000-e45b-f91d91080000 pid=2193->guuid=d25a9ccb-1800-0000-e45b-f91d92080000 pid=2194 execve guuid=612a22cc-1800-0000-e45b-f91d94080000 pid=2196 /usr/bin/dash guuid=a7df5dcb-1800-0000-e45b-f91d91080000 pid=2193->guuid=612a22cc-1800-0000-e45b-f91d94080000 pid=2196 execve guuid=85106bcc-1800-0000-e45b-f91d98080000 pid=2200 /tmp/sample.bin mprotect-exec zombie guuid=a7df5dcb-1800-0000-e45b-f91d91080000 pid=2193->guuid=85106bcc-1800-0000-e45b-f91d98080000 pid=2200 clone guuid=de044ccc-1800-0000-e45b-f91d96080000 pid=2198 /usr/bin/dash guuid=612a22cc-1800-0000-e45b-f91d94080000 pid=2196->guuid=de044ccc-1800-0000-e45b-f91d96080000 pid=2198 clone guuid=bf9050cc-1800-0000-e45b-f91d97080000 pid=2199 /usr/bin/dash guuid=612a22cc-1800-0000-e45b-f91d94080000 pid=2196->guuid=bf9050cc-1800-0000-e45b-f91d97080000 pid=2199 clone guuid=8f1fc6d3-1800-0000-e45b-f91da7080000 pid=2215 /tmp/sample.bin zombie guuid=85106bcc-1800-0000-e45b-f91d98080000 pid=2200->guuid=8f1fc6d3-1800-0000-e45b-f91da7080000 pid=2215 clone guuid=613bced3-1800-0000-e45b-f91da8080000 pid=2216 /tmp/sample.bin guuid=8f1fc6d3-1800-0000-e45b-f91da7080000 pid=2215->guuid=613bced3-1800-0000-e45b-f91da8080000 pid=2216 clone guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217 /tmp/sample.bin dns net net-scan send-data guuid=613bced3-1800-0000-e45b-f91da8080000 pid=2216->guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B c80e6ef7-3234-57d6-8dd5-2559c092cdb3 54.215.207.56:8741 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->c80e6ef7-3234-57d6-8dd5-2559c092cdb3 send: 68B c9167f66-832c-5d75-9383-a758ce1f4302 31.200.249.227:31805 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->c9167f66-832c-5d75-9383-a758ce1f4302 send: 68B f375bb30-444b-5310-acd3-9f12d58480c2 31.200.249.130:31830 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->f375bb30-444b-5310-acd3-9f12d58480c2 send: 68B 20e670c3-efa7-5a0e-ab90-da0b352d984e 54.215.207.56:9506 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->20e670c3-efa7-5a0e-ab90-da0b352d984e send: 68B 8f8de251-537e-5b16-882d-a27d1ded5892 159.65.200.220:6816 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->8f8de251-537e-5b16-882d-a27d1ded5892 con 10454993-1700-5c05-9567-bd85943275fa 159.65.200.220:40986 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->10454993-1700-5c05-9567-bd85943275fa con 28a4e623-5904-5a5d-b5f9-4699e79e1d10 99.62.112.135:50205 guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->28a4e623-5904-5a5d-b5f9-4699e79e1d10 send: 68B guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217|send-data send-data to 289 IP addresses review logs to see them all guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217->guuid=365ed4d3-1800-0000-e45b-f91da9080000 pid=2217|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/18e2054d-e35f-4dfe-b1e5-c6ac78a42e97
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1720622
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 scans a subnet
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1720622 Sample: amd64.elf Startdate: 23/06/2025 Architecture: LINUX Score: 72 38 31.200.249.178, 31905, 52108 NETRACK-ASRU Russian Federation 2->38 40 190.80.50.165, 5493, 56057 GuyanaTelephoneTelegraphCoGY Guyana 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 48 Sample scans a subnet 2->48 10 amd64.elf 2->10         started        signatures3 process4 process5 12 amd64.elf sh 10->12         started        14 amd64.elf 10->14         started        17 amd64.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        56 Opens /sys/class/net/* files useful for querying network interface information 14->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->58 25 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.AX4UZj, ASCII 19->36 dropped 50 Sample tries to persist itself using cron 19->50 52 Executes the "crontab" command typically for achieving persistence 19->52 29 sh crontab 23->29         started        32 amd64.elf 25->32         started        signatures9 process10 signatures11 54 Executes the "crontab" command typically for achieving persistence 29->54 34 amd64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef787284dcfe56100082be54abbfaabb57a259bf462d9cafe01137f4de34ebfb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef787284dcfe56100082be54abbfaabb57a259bf462d9cafe01137f4de34ebfb/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-23 05:20:37 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=554hfbg47zlbaaecxzkkxp5kxnl2ewn7iywzzl7ace37jxru5p5q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250623-f1j53a1waz/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8c8b3579-249e-4e79-9a96-17f2f99ceff9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef787284dcfe56100082be54abbfaabb57a259bf462d9cafe01137f4de34ebfb

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: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: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 ef787284dcfe56100082be54abbfaabb57a259bf462d9cafe01137f4de34ebfb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3550686/
  
Delivery method
Distributed via web download

Comments