MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f0b2b9e66f52f2f908d300681b64d1a8dde93a28f3249846b60a12fe5cacdc5. 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 1 File information Comments

SHA256 hash: 7f0b2b9e66f52f2f908d300681b64d1a8dde93a28f3249846b60a12fe5cacdc5
SHA3-384 hash: 7b1beec4fd875969fb9fb38e53f85a36fb2d66b16df3ca64b24aca64a3c1561c046ba1ecfc72ce247b15a7a98805cc29
SHA1 hash: 2d7b0b93ee1fa739f404ec34fa29ff891f72ceab
MD5 hash: 29843c839528fba33e57598cde967364
humanhash: gee-football-batman-ohio
File name:byss13zs25
Download: download sample
File size:241'554 bytes
First seen:2026-05-05 05:17:30 UTC
Last seen:2026-05-05 13:36:09 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:neHY63AVopuO1IxDja2NdAOdlpE5RjPo2DnC8IeaY+pk68wItEkyr/3wfW:kQmh8jBFdXEPjPfgeaYnwItir/Au
TLSH T10C341263B15800FEDD6FC23D558B822BEA3931A926847B5A2312FE552F39F503C2C9D5
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 :
2
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creates or modifies symbolic links
Changes access rights for a written file
Deleting a recently created file
Launching a process
Sends data to a server
Mounts file systems
Creating a file in the %temp% directory
Receives data from a server
Creating a file
Sets a written file as executable
Runs as daemon
Creating a process from a recently created file
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deletes a system binary file
Writes files to system directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-05-04T22:27:00Z UTC
Last seen:
2026-05-06T13:23:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=40a5240d-1700-0000-00cb-ffe9070f0000 pid=3847 /usr/bin/sudo guuid=7952540f-1700-0000-00cb-ffe9110f0000 pid=3857 memfd:nknhoj22 net write-file guuid=40a5240d-1700-0000-00cb-ffe9070f0000 pid=3847->guuid=7952540f-1700-0000-00cb-ffe9110f0000 pid=3857 execve cc0ac6be-7bea-5e42-bee5-f132cb1dd4d5 192.0.2.1:80 guuid=7952540f-1700-0000-00cb-ffe9110f0000 pid=3857->cc0ac6be-7bea-5e42-bee5-f132cb1dd4d5 con guuid=2fe31a4c-1700-0000-00cb-ffe9cc0f0000 pid=4044 memfd:nknhoj22 zombie guuid=7952540f-1700-0000-00cb-ffe9110f0000 pid=3857->guuid=2fe31a4c-1700-0000-00cb-ffe9cc0f0000 pid=4044 clone guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4045 memfd:nknhoj22 delete-file net send-data write-config write-file zombie guuid=2fe31a4c-1700-0000-00cb-ffe9cc0f0000 pid=4044->guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4045 clone e5c8e5f0-51d6-5b05-abf4-b3bbfaf2a0ec 168.220.248.106:24032 guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4045->e5c8e5f0-51d6-5b05-abf4-b3bbfaf2a0ec send: 318B guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4050 memfd:nknhoj22 guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4045->guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4050 clone guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4051 memfd:nknhoj22 delete-file zombie guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4045->guuid=e1602a4c-1700-0000-00cb-ffe9cd0f0000 pid=4051 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 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
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1908467 Sample: byss13zs25.elf Startdate: 05/05/2026 Architecture: LINUX Score: 64 45 109.202.202.202, 80 INIT7CH Switzerland 2->45 47 168.220.248.106, 24032, 34004 FIRST-LIGHT-FIBER-01US United States 2->47 49 4 other IPs or domains 2->49 51 Antivirus detection for dropped file 2->51 53 Writes identical ELF files to multiple locations 2->53 55 Drops files in suspicious directories 2->55 10 10 2->10         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 file5 41 /memfd:firblv0v (deleted), ELF 10->41 dropped 57 Writes identical ELF files to multiple locations 10->57 18 10->18         started        signatures6 process7 process8 20 18->20         started        file9 33 /usr/sbin/VGAuthService, ELF 20->33 dropped 35 /usr/libexec/VGAuthService, ELF 20->35 dropped 37 /usr/lib/resolved-helper, ELF 20->37 dropped 39 2 other malicious files 20->39 dropped 23 sh 20->23         started        25 sh 20->25         started        process10 process11 27 sh crontab 23->27         started        31 sh crontab 25->31         started        file12 43 /var/spool/cron/crontabs/tmp.RohDnk, ASCII 27->43 dropped 59 Sample tries to persist itself using cron 27->59 61 Executes the "crontab" command typically for achieving persistence 27->61 signatures13
Threat name:
Linux.Backdoor.Generic
Status:
Suspicious
First seen:
2026-05-05 01:32:41 UTC
File Type:
ELF64 Little (SO)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm credential_access discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Checks SCSI settings
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
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: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 7f0b2b9e66f52f2f908d300681b64d1a8dde93a28f3249846b60a12fe5cacdc5

(this sample)

  
Delivery method
Distributed via web download

Comments