MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c. 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


Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c
SHA3-384 hash: 55c81308b59dd99681e0147bdb3e62c1061024808b3bbb6dfc16328c368e14d7b9b845e351b9559c9fa52dc6a6d9a5a0
SHA1 hash: 0db77d02a75fb6c5fe99505bf871409fe6b2b3c5
MD5 hash: 875afe659d97cbcc59b61630d4c8bf37
humanhash: moon-virginia-emma-indigo
File name:x86_32.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:87'348 bytes
First seen:2025-12-22 06:47:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lMjatiShnCLcTVKWbAJVXkAxIsvJUnva8exXCBBbw9hBM7AM7c:H1CLcTbAJKAXqS8e1C/U9q
TLSH T119835AC5A743C4F9FD661278513BE3675A33E6390128DB86CB24BC36AC16A01B72739D
telfhash t1923107f91a7a4ce897d4a980e11aae253d1ec77b195037934963d828322fd42917bc39
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010119-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Opens a port
Sends data to a server
Deleting a recently created file
Launching a process
Connection attempt
Sets a written file as executable
Creating a file
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6948e9b13f8fdbf8e94e39e4/reports/cfff503a-2776-473b-af8f-7e247c9fa03c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-22T00:17:00Z UTC
Last seen:
2025-12-22T04:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aa80c2e8-eafe-4aa8-8186-85a37980dc45
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1837450
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1837450 Sample: x86_32.uhavenobotsxd.elf Startdate: 22/12/2025 Architecture: LINUX Score: 100 92 Malicious sample detected (through community Yara rule) 2->92 94 Multi AV Scanner detection for submitted file 2->94 10 x86_32.uhavenobotsxd.elf 2->10         started        13 dash rm 2->13         started        15 dash head 2->15         started        17 8 other processes 2->17 process3 signatures4 124 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->124 19 x86_32.uhavenobotsxd.elf 10->19         started        process5 file6 80 /var/spool/cron/root, ASCII 19->80 dropped 82 /var/spool/cron/crontabs/root, ASCII 19->82 dropped 84 /root/.bashrc, ASCII 19->84 dropped 86 8 other files (7 malicious) 19->86 dropped 98 Sample tries to set files in /etc globally writable 19->98 100 Sample tries to persist itself using /etc/profile 19->100 102 Drops files in suspicious directories 19->102 104 4 other signatures 19->104 23 x86_32.uhavenobotsxd.elf sh 19->23         started        25 x86_32.uhavenobotsxd.elf 19->25         started        27 x86_32.uhavenobotsxd.elf sh 19->27         started        29 44 other processes 19->29 signatures7 process8 signatures9 32 sh S99network 23->32         started        34 x86_32.uhavenobotsxd.elf sh 25->34         started        36 x86_32.uhavenobotsxd.elf sh 25->36         started        48 2 other processes 25->48 38 sh crontab 27->38         started        42 sh 27->42         started        126 Sample tries to kill multiple processes (SIGKILL) 29->126 44 sh cp 29->44         started        46 sh .monitor 29->46         started        50 40 other processes 29->50 process10 file11 52 S99network 32->52         started        54 sh .update 34->54         started        57 sh .update 36->57         started        88 /var/spool/cron/crontabs/tmp.h74JfS, ASCII 38->88 dropped 110 Sample tries to persist itself using cron 38->110 112 Executes the "crontab" command typically for achieving persistence 38->112 59 sh crontab 42->59         started        90 /usr/bin/.update, ELF 44->90 dropped 114 Drops invisible ELF files 44->114 116 Drops files in suspicious directories 44->116 61 .monitor 46->61         started        63 sh .update 48->63         started        65 sh .update 48->65         started        118 Sample tries to kill multiple processes (SIGKILL) 50->118 120 Sample deletes itself 50->120 122 Terminates several processes with shell command 'killall' 50->122 signatures12 process13 signatures14 67 S99network .update 52->67         started        70 S99network .update 52->70         started        72 S99network .update 52->72         started        78 33 other processes 52->78 106 Sample reads /proc/mounts (often used for finding a writable filesystem) 54->106 108 Executes the "crontab" command typically for achieving persistence 59->108 74 .monitor .update 61->74         started        76 .monitor sleep 61->76         started        process15 signatures16 96 Sample reads /proc/mounts (often used for finding a writable filesystem) 67->96
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 06:48:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=34vf74oz6jp3zjkhxpmo2o52du5cvslpjjgbzew2jbbqvi7tunga._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251222-hk15rafs5f/
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-10001386-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/afcee48b-b52a-424c-a2a9-c1dfa0613958
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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

Mirai

elf df2a5ff1d9f25fbca547bbd8ed3bba1d3a2ac96f4a4c1c92da48430aa3f3a34c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3687976/
  
Delivery method
Distributed via web download

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