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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbae88f84ac1629c5fc5fbb19763c9b67f4a9ba1accbbe2530998581c325e2df. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: cbae88f84ac1629c5fc5fbb19763c9b67f4a9ba1accbbe2530998581c325e2df
SHA3-384 hash: ebbdd50053800be72901343618b6587b47f565813f34020d3b6db9163ee303b649c2d6aed64fa6f404491b7e8a36c37c
SHA1 hash: 31eaaae5d34de0ef6cb74b076cdcf8582987c635
MD5 hash: 0772123729ca90d9f004b3685e8e271d
humanhash: hydrogen-hawaii-whiskey-lamp
File name:reaver.mpsl
Download: download sample
Signature Mirai
File size:75'680 bytes
First seen:2026-09-05 04:05:27 UTC
Last seen:2026-09-05 21:13:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:SvkmrNmTg7TlJIpUr904i+MtZNQX0TaffxPJ+gFEiJH4ws7Qz/:Svk5yInSX0YjjEiJkc7
TLSH T12D73027FAF48AE4AC2687CB954901317B199CFD01269E747EC808DD9EB2FF8E254449C
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :75'680 bytes
File size (de-compressed) :235'888 bytes
Format:linux/mipsel
Unpacked file: a08f7292a5ed30ddd0b4447f1c5aeab1a84b254bad852e872f8f35109cc0fdc0

Intelligence


File Origin
# of uploads :
3
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creates or modifies symbolic links
Launching a process
Deletes a file
Sets a written file as executable
Sends data to a server
Runs as daemon
Changes access rights for a written file
Connection attempt
Gains root access
Changes owner for a written file
DNS request
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
Writes files to system subdirectory
Writes files to system directory
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-05T02:19:00Z UTC
Last seen:
2026-09-05T02:55:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=6378535b-1800-0000-0511-4c506f0a0000 pid=2671 /usr/bin/sudo guuid=4b18cc60-1800-0000-0511-4c50770a0000 pid=2679 /tmp/sample.bin guuid=6378535b-1800-0000-0511-4c506f0a0000 pid=2671->guuid=4b18cc60-1800-0000-0511-4c50770a0000 pid=2679 execve
Result
Threat name:
Gafgyt, Mirai, Xmrig
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Found malware configuration
Found strings related to Crypto-Mining
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
Protects files from modification
Sample deletes itself
Sample is packed with UPX
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
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1968964 Sample: reaver.mpsl.elf Startdate: 05/09/2026 Architecture: LINUX Score: 100 60 mantac2.duckdns.org 2->60 62 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->62 64 2 other IPs or domains 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for dropped file 2->70 74 6 other signatures 2->74 9 reaver.mpsl.elf 2->9         started        13 python3.8 dpkg 2->13         started        signatures3 72 Uses dynamic DNS services 60->72 process4 file5 50 /var/lib/reaver.bak, ELF 9->50 dropped 52 /usr/lib/reaver, ELF 9->52 dropped 54 /root/.bashrc, ASCII 9->54 dropped 56 10 other malicious files 9->56 dropped 80 Found strings related to Crypto-Mining 9->80 82 Sample tries to set files in /etc globally writable 9->82 84 Writes identical ELF files to multiple locations 9->84 86 7 other signatures 9->86 15 reaver.mpsl.elf sh 9->15         started        17 reaver.mpsl.elf 9->17         started        19 reaver.mpsl.elf sh 9->19         started        21 16 other processes 9->21 signatures6 process7 file8 25 sh crontab 15->25         started        29 sh 15->29         started        31 reaver.mpsl.elf chattr 17->31         started        33 reaver.mpsl.elf chattr 17->33         started        35 sh crontab 19->35         started        48 /tmp/reaver.mpsl.elf.salt, data 21->48 dropped 76 Protects files from modification 21->76 37 reaver.mpsl.elf 21->37         started        39 reaver.mpsl.elf 21->39         started        signatures9 process10 file11 58 /var/spool/cron/crontabs/tmp.2UdRoZ, ASCII 25->58 dropped 88 Sample tries to persist itself using cron 25->88 90 Executes the "crontab" command typically for achieving persistence 25->90 41 sh crontab 29->41         started        92 Protects files from modification 31->92 44 reaver.mpsl.elf 37->44         started        46 reaver.mpsl.elf 37->46         started        signatures12 process13 signatures14 78 Executes the "crontab" command typically for achieving persistence 41->78
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-09-05 02:40:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf cbae88f84ac1629c5fc5fbb19763c9b67f4a9ba1accbbe2530998581c325e2df

(this sample)

  
Delivery method
Distributed via web download

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