MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639de2b23848d7290a73497db1e89dfec7420cb4caa968356a4a8db5b78a4654. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 639de2b23848d7290a73497db1e89dfec7420cb4caa968356a4a8db5b78a4654
SHA3-384 hash: 5be269bede17ad380813cd07fccdf3668429d3c32f1b1183020e75cf2398aeb37d2fb06f7a8d4241cb6bd08ef99270f0
SHA1 hash: de9fd793c8d4372c0054ab36bb0bd8f0bd7c755b
MD5 hash: 822a9afb79446e1737a38d1caacbff78
humanhash: cardinal-lemon-alaska-earth
File name:powerpc.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:92'668 bytes
First seen:2025-11-28 22:21:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:RqK5R2M1jy/tQyKAqit1xysDQeB8S/X+VeyOepFicwf6pNemOF:F5AwAKmt1xys9r+8ygcEF
TLSH T1BF936D02B30C0A43D1736DB03F3F27C1D7DAAA9112F4B685654EFB4990B6A325687E9D
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.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
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Attempts to kill processes by name
Deletes a file
Changes the time when the file was created, accessed, or modified
Opens a port
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/692a2094d0d5e7288b4fdade/reports/2ddbbc07-241c-4af8-8277-595e268c9d19/overview
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e9914a66-cce9-48d3-8e49-1be03be3162d
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1822605
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
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 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 dnsIp2 2 Behavior Graph ID: 1822605 Sample: powerpc.uhavenobotsxd.elf Startdate: 29/11/2025 Architecture: LINUX Score: 92 90 94.154.35.153, 40682, 6969 SELECTELRU Ukraine 2->90 92 43.198.206.77, 10990, 11440, 19256 LILLY-ASUS Japan 2->92 94 4 other IPs or domains 2->94 96 Multi AV Scanner detection for submitted file 2->96 11 powerpc.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 110 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->110 14 powerpc.uhavenobotsxd.elf 11->14         started        process6 file7 82 /var/spool/cron/root, ASCII 14->82 dropped 84 /var/spool/cron/crontabs/root, ASCII 14->84 dropped 86 /root/.bashrc, ASCII 14->86 dropped 88 8 other files (7 malicious) 14->88 dropped 118 Sample tries to set files in /etc globally writable 14->118 120 Sample tries to persist itself using /etc/profile 14->120 122 Drops files in suspicious directories 14->122 124 4 other signatures 14->124 18 powerpc.uhavenobotsxd.elf 14->18         started        20 powerpc.uhavenobotsxd.elf sh 14->20         started        22 powerpc.uhavenobotsxd.elf sh 14->22         started        24 47 other processes 14->24 signatures8 process9 process10 26 powerpc.uhavenobotsxd.elf sh 18->26         started        28 powerpc.uhavenobotsxd.elf sh 18->28         started        30 powerpc.uhavenobotsxd.elf sh 18->30         started        32 powerpc.uhavenobotsxd.elf sh 18->32         started        34 sh S99network 20->34         started        36 sh .monitor 22->36         started        38 sh crontab 24->38         started        42 sh cp 24->42         started        44 45 other processes 24->44 file11 46 sh .update 26->46         started        49 sh .update 28->49         started        51 sh .update 30->51         started        53 sh .update 32->53         started        55 S99network 34->55         started        57 .monitor 36->57         started        78 /var/spool/cron/crontabs/tmp.BMHV66, ASCII 38->78 dropped 98 Sample tries to persist itself using cron 38->98 100 Executes the "crontab" command typically for achieving persistence 38->100 80 /usr/bin/.update, ELF 42->80 dropped 102 Drops invisible ELF files 42->102 104 Drops files in suspicious directories 42->104 106 Sample deletes itself 44->106 108 Terminates several processes with shell command 'killall' 44->108 59 sh crontab 44->59         started        signatures12 process13 signatures14 114 Sample reads /proc/mounts (often used for finding a writable filesystem) 46->114 61 S99network .update 55->61         started        64 S99network .update 55->64         started        66 S99network .update 55->66         started        74 3 other processes 55->74 68 .monitor .update 57->68         started        70 .monitor .update 57->70         started        72 .monitor .update 57->72         started        76 3 other processes 57->76 116 Executes the "crontab" command typically for achieving persistence 59->116 process15 signatures16 112 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->112
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/639de2b23848d7290a73497db1e89dfec7420cb4caa968356a4a8db5b78a4654
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/639de2b23848d7290a73497db1e89dfec7420cb4caa968356a4a8db5b78a4654/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 22:22:14 UTC
File Type:
ELF32 Big (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=moo6fmryjdlsscttjf63d2e573duedfuzkuwqnlkjkg3ln4kizka._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251128-2aa1csxqex/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0246e48f-2388-4d1e-93b5-5701ea1f058c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/639de2b23848d7290a73497db1e89dfec7420cb4caa968356a4a8db5b78a4654

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: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 639de2b23848d7290a73497db1e89dfec7420cb4caa968356a4a8db5b78a4654

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686380/
  
Delivery method
Distributed via web download

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