MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d04ab3ee8cebc211bf1cc4e475d81727e12060774863f323f654318eefd88c6. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments

SHA256 hash: 4d04ab3ee8cebc211bf1cc4e475d81727e12060774863f323f654318eefd88c6
SHA3-384 hash: d5121438c1c761b766871b1cee2d9a6a4a7591fbe65d8b2910e0b9cf1f0f3f32a7e61c1ccd8932c66ef7b94594896d0a
SHA1 hash: 5c5cfb9b1cb142fc91e1aeb2957113d0df41414b
MD5 hash: 853c1ca59503470156aefadc1cbaa48d
humanhash: island-maine-montana-helium
File name:cbcicvq.i486
Download: download sample
File size:988'853 bytes
First seen:2026-05-22 00:52:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:/UnOMYpPVstzYn08peAIpDO1oVEXDx5pUHTX2bOXwbuOkYUXoiTzBxT3WLKL0:/UnOvpPA8peAZSVwDZqTXvkU4ifBxmY0
TLSH T11F25E02AF91160B9D47360B1534FE376C924AA34526788CBFF5A5C28A53A2D0DF3C35B
telfhash t1d93299f63e6d0ee8b3c0a944d34e2b42ee0a93b3595431f705f3699532e3a415e76835
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 :
47
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Connection attempt
Changes access rights for a written file
Receives data from a server
Changes the time when the file was created, accessed, or modified
DNS request
Changes access rights for a file
Runs as daemon
Sets a written file as executable
Deleting a recently created file
Creating a file
Sends data to a server
Launching a process
Creating a process from a recently created file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deletes a system binary file
Traces processes
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin masquerade rust
Status:
terminated
Behavior Graph:
%3 guuid=9d3bb394-1b00-0000-d22e-1acf190a0000 pid=2585 /usr/bin/sudo guuid=61d42498-1b00-0000-d22e-1acf210a0000 pid=2593 memfd: delete-file write-file guuid=9d3bb394-1b00-0000-d22e-1acf190a0000 pid=2585->guuid=61d42498-1b00-0000-d22e-1acf210a0000 pid=2593 execve guuid=356e249f-1b00-0000-d22e-1acf2f0a0000 pid=2607 memfd: guuid=61d42498-1b00-0000-d22e-1acf210a0000 pid=2593->guuid=356e249f-1b00-0000-d22e-1acf2f0a0000 pid=2607 clone guuid=2c8136a1-1b00-0000-d22e-1acf350a0000 pid=2613 memfd: guuid=61d42498-1b00-0000-d22e-1acf210a0000 pid=2593->guuid=2c8136a1-1b00-0000-d22e-1acf350a0000 pid=2613 clone guuid=65fa53a1-1b00-0000-d22e-1acf370a0000 pid=2615 memfd: guuid=61d42498-1b00-0000-d22e-1acf210a0000 pid=2593->guuid=65fa53a1-1b00-0000-d22e-1acf370a0000 pid=2615 clone guuid=3c0e7aa1-1b00-0000-d22e-1acf380a0000 pid=2616 memfd: guuid=61d42498-1b00-0000-d22e-1acf210a0000 pid=2593->guuid=3c0e7aa1-1b00-0000-d22e-1acf380a0000 pid=2616 clone guuid=847485a1-1b00-0000-d22e-1acf390a0000 pid=2617 memfd: guuid=3c0e7aa1-1b00-0000-d22e-1acf380a0000 pid=2616->guuid=847485a1-1b00-0000-d22e-1acf390a0000 pid=2617 clone guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618 memfd: dns net send-data write-file guuid=847485a1-1b00-0000-d22e-1acf390a0000 pid=2617->guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618 clone 80639f7d-8d8e-5d60-8819-65337bb0e774 criminalcloudflare.online:1337 guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618->80639f7d-8d8e-5d60-8819-65337bb0e774 send: 256B a0528efd-1018-56b4-b518-221acb0fa7ca 9.9.9.9:53 guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618->a0528efd-1018-56b4-b518-221acb0fa7ca send: 43B 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 43B guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2620 memfd: guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618->guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2620 clone guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2621 memfd: guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618->guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2621 clone guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2633 memfd: guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2618->guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2633 clone guuid=fc5b209e-2200-0000-d22e-1acfa0140000 pid=5280 memfd: guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2620->guuid=fc5b209e-2200-0000-d22e-1acfa0140000 pid=5280 clone guuid=4995779a-2900-0000-d22e-1acfab140000 pid=5291 memfd: guuid=11778ca1-1b00-0000-d22e-1acf3a0a0000 pid=2620->guuid=4995779a-2900-0000-d22e-1acfab140000 pid=5291 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Sample deletes itself
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Spawns processes using file descriptor names (likely to hide the executable path or fileless malware)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1917445 Sample: cbcicvq.i486.elf Startdate: 22/05/2026 Architecture: LINUX Score: 64 47 criminalcloudflare.online 176.65.139.191, 1337, 55630 STORMINDUSTRIESHostingServicesUS Netherlands 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 3 other IPs or domains 2->51 9 cbcicvq.i486.elf 3 2->9         started        13 dash rm 2->13         started        15 dash rm 2->15         started        process3 file4 41 /tmp/.cron_tmp, ASCII 9->41 dropped 43 /etc/init.d/.kworker, POSIX 9->43 dropped 45 /memfd: (deleted), ELF 9->45 dropped 57 Sample tries to set files in /etc globally writable 9->57 59 Spawns processes using file descriptor names (likely to hide the executable path or fileless malware) 9->59 61 Drops files in suspicious directories 9->61 63 Sample deletes itself 9->63 17 3 crontab 9->17         started        21 3 crontab 9->21         started        23 3 9->23         started        25 3 9->25         started        signatures5 process6 file7 39 /var/spool/cron/crontabs/tmp.08yl05, ASCII 17->39 dropped 53 Sample tries to persist itself using cron 17->53 55 Executes the "crontab" command typically for achieving persistence 17->55 27 3 23->27         started        signatures8 process9 process10 29 3 27->29         started        process11 31 3 29->31         started        33 3 29->33         started        35 3 29->35         started        37 3 29->37         started       
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Reads MAC address of network interface
Deletes itself
Runs EXE from memory
Traces itself
Unexpected DNS network traffic destination
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf 4d04ab3ee8cebc211bf1cc4e475d81727e12060774863f323f654318eefd88c6

(this sample)

  
Delivery method
Distributed via web download

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