MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb733ba30c2301a205379b8bcfcaf0ced015bbf94c6ab8fbf04c0f4125b48764. 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: fb733ba30c2301a205379b8bcfcaf0ced015bbf94c6ab8fbf04c0f4125b48764
SHA3-384 hash: 34234d92d7f2a36b668aaae86d153440db9fac15af068e0708bb3ecbcace3a73eaa25b8e49efefc96c6ed6563d1c7459
SHA1 hash: f74e2805d0ebd74b149ab40dee3543d9da68b1da
MD5 hash: 4adac31d47be520307db0d401da29cd3
humanhash: nineteen-bluebird-twelve-magnesium
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-18 11:23:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T129A41212E290D8FEC4DAC0B0469FD27BFD767C544234BC6B6198F7322B3AE601B16A55
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 :
71
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6852a30cd506f858d62238e6linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/89b12689-59e1-4a57-8bd2-3736ed1dcc13
Behavior Graph:
Download SVG
%3 guuid=e860825a-1a00-0000-5eac-da6aef080000 pid=2287 /usr/bin/sudo guuid=b362785d-1a00-0000-5eac-da6af2080000 pid=2290 /tmp/sample.bin guuid=e860825a-1a00-0000-5eac-da6aef080000 pid=2287->guuid=b362785d-1a00-0000-5eac-da6af2080000 pid=2290 execve guuid=0dac4563-1a00-0000-5eac-da6af8080000 pid=2296 /usr/bin/dash guuid=b362785d-1a00-0000-5eac-da6af2080000 pid=2290->guuid=0dac4563-1a00-0000-5eac-da6af8080000 pid=2296 execve guuid=f6fcb063-1a00-0000-5eac-da6af9080000 pid=2297 /usr/bin/dash guuid=b362785d-1a00-0000-5eac-da6af2080000 pid=2290->guuid=f6fcb063-1a00-0000-5eac-da6af9080000 pid=2297 execve guuid=71482964-1a00-0000-5eac-da6afc080000 pid=2300 /tmp/sample.bin mprotect-exec zombie guuid=b362785d-1a00-0000-5eac-da6af2080000 pid=2290->guuid=71482964-1a00-0000-5eac-da6afc080000 pid=2300 clone guuid=79a4f163-1a00-0000-5eac-da6afa080000 pid=2298 /usr/bin/dash guuid=f6fcb063-1a00-0000-5eac-da6af9080000 pid=2297->guuid=79a4f163-1a00-0000-5eac-da6afa080000 pid=2298 clone guuid=28e1f963-1a00-0000-5eac-da6afb080000 pid=2299 /usr/bin/dash guuid=f6fcb063-1a00-0000-5eac-da6af9080000 pid=2297->guuid=28e1f963-1a00-0000-5eac-da6afb080000 pid=2299 clone guuid=a5a47d6a-1a00-0000-5eac-da6a08090000 pid=2312 /tmp/sample.bin zombie guuid=71482964-1a00-0000-5eac-da6afc080000 pid=2300->guuid=a5a47d6a-1a00-0000-5eac-da6a08090000 pid=2312 clone guuid=9259886a-1a00-0000-5eac-da6a09090000 pid=2313 /tmp/sample.bin guuid=a5a47d6a-1a00-0000-5eac-da6a08090000 pid=2312->guuid=9259886a-1a00-0000-5eac-da6a09090000 pid=2313 clone guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314 /tmp/sample.bin dns net net-scan send-data guuid=9259886a-1a00-0000-5eac-da6a09090000 pid=2313->guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B fcb96f4d-9c5e-57eb-9e6d-be4bd470f299 31.200.249.146:31924 guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314->fcb96f4d-9c5e-57eb-9e6d-be4bd470f299 send: 68B 7e55cbff-cff6-590d-8839-2b9dbe62a5b7 120.231.173.116:33893 guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314->7e55cbff-cff6-590d-8839-2b9dbe62a5b7 send: 68B guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314|send-data send-data to 293 IP addresses review logs to see them all guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314->guuid=93998f6a-1a00-0000-5eac-da6a0a090000 pid=2314|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fbb5e068-fbdf-463a-aaac-8b3a4b0a7309
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1717398
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: 1717398 Sample: amd64.elf Startdate: 18/06/2025 Architecture: LINUX Score: 68 38 31.200.249.146, 31924, 48176 NETRACK-ASRU Russian Federation 2->38 40 109.236.91.11, 6881, 6891 WORLDSTREAMNL Netherlands 2->40 42 101 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 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        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 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.GLjNap, 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 amd64.elf 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 amd64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb733ba30c2301a205379b8bcfcaf0ced015bbf94c6ab8fbf04c0f4125b48764
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb733ba30c2301a205379b8bcfcaf0ced015bbf94c6ab8fbf04c0f4125b48764/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-18 11:29:15 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nztxiymema2ebjxtof47sxqz3iblo7zjrvlr67qjqhucjnuq5sa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250618-nkhw3axkv7/
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/efb7d579-8fce-4da4-a8f6-44d2c3d8f3f4
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/fb733ba30c2301a205379b8bcfcaf0ced015bbf94c6ab8fbf04c0f4125b48764

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 fb733ba30c2301a205379b8bcfcaf0ced015bbf94c6ab8fbf04c0f4125b48764

(this sample)

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

Comments