MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51f91dfa7a47fff04970d2c620656dda43bf40e841f51d3527fe3b13f334904e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51f91dfa7a47fff04970d2c620656dda43bf40e841f51d3527fe3b13f334904e
SHA3-384 hash: bff8ca7cf8af695efe8c80987b1a7db4001ed23530b28884000ba6e0ce88910f992fa55c46079d691db0493e27600e8d
SHA1 hash: 2f1d05cac6c451dc263afd52a067792a01ba4b9d
MD5 hash: 60fcbdc035569d6d9eb597a58d7f4669
humanhash: louisiana-three-six-uranus
File name:powerpc.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:92'400 bytes
First seen:2025-11-08 23:50:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:C0PgopRvU/1TpX5ZfG7gkfkn3qxCEmNVGHdqJkRYF2em/F:CgfbvSTprS63xEoenF
TLSH T117934B01B3080F43D1679EB06E3F33C6D7AAAED021F4E685660FB68991B6D325186DCD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10001386-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creates directories in a temporary directory
Deleting a recently created file
Kills processes
Mounts file systems
Sends data to a server
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 file in the %temp% subdirectories
Opens a port
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/690fd77145d0218fdf1f5986/reports/1be70a78-ad68-4117-b6bb-5d90b98fe466/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-08T21:16:00Z UTC
Last seen:
2025-11-08T22:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/51f91dfa7a47fff04970d2c620656dda43bf40e841f51d3527fe3b13f334904e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ab864204-75fe-4fde-9311-2cf80f18333b
Behavior Graph:
Download SVG
%3 guuid=a8df6468-1900-0000-83b9-3d785f100000 pid=4191 /usr/bin/sudo guuid=32091b6a-1900-0000-83b9-3d7864100000 pid=4196 /tmp/sample.bin guuid=a8df6468-1900-0000-83b9-3d785f100000 pid=4191->guuid=32091b6a-1900-0000-83b9-3d7864100000 pid=4196 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/088c39ed-03ab-432e-9089-cd778d891169
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1810739
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810739 Sample: powerpc.uhavenobotsxd.elf Startdate: 09/11/2025 Architecture: LINUX Score: 56 72 95.161.128.62, 80 TIERA-ASRU Russian Federation 2->72 74 94.154.35.153, 59724, 59726, 6969 SELECTELRU Ukraine 2->74 76 5 other IPs or domains 2->76 78 Multi AV Scanner detection for submitted file 2->78 10 powerpc.uhavenobotsxd.elf 2->10         started        13 udisksd dumpe2fs 2->13         started        15 udisksd dumpe2fs 2->15         started        17 165 other processes 2->17 signatures3 process4 signatures5 84 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->84 19 powerpc.uhavenobotsxd.elf 10->19         started        23 powerpc.uhavenobotsxd.elf 10->23         started        process6 file7 66 /tmp/.taunt, POSIX 19->66 dropped 68 /tmp/.mock, POSIX 19->68 dropped 70 /tmp/.broken_shell, POSIX 19->70 dropped 80 Sample tries to kill multiple processes (SIGKILL) 19->80 25 powerpc.uhavenobotsxd.elf 19->25         started        28 powerpc.uhavenobotsxd.elf 19->28         started        30 powerpc.uhavenobotsxd.elf 19->30         started        32 7 other processes 19->32 signatures8 process9 signatures10 82 Sample tries to kill multiple processes (SIGKILL) 25->82 34 powerpc.uhavenobotsxd.elf 25->34         started        36 powerpc.uhavenobotsxd.elf 25->36         started        38 powerpc.uhavenobotsxd.elf 25->38         started        48 79 other processes 25->48 40 powerpc.uhavenobotsxd.elf 28->40         started        42 powerpc.uhavenobotsxd.elf 30->42         started        44 powerpc.uhavenobotsxd.elf 32->44         started        46 powerpc.uhavenobotsxd.elf 32->46         started        50 5 other processes 32->50 process11 process12 52 powerpc.uhavenobotsxd.elf 34->52         started        54 powerpc.uhavenobotsxd.elf 36->54         started        56 powerpc.uhavenobotsxd.elf 38->56         started        58 powerpc.uhavenobotsxd.elf 48->58         started        60 powerpc.uhavenobotsxd.elf 48->60         started        62 powerpc.uhavenobotsxd.elf 48->62         started        64 69 other processes 48->64
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51f91dfa7a47fff04970d2c620656dda43bf40e841f51d3527fe3b13f334904e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51f91dfa7a47fff04970d2c620656dda43bf40e841f51d3527fe3b13f334904e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 23:51:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kh4r36t2i777aslq2ldcazln3jb36qhiih2r2njh7y5rh4zusbha._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251108-3v89bswrfp/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2bdc7673-2a74-4791-8c8f-415a66f9d6f8
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: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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 51f91dfa7a47fff04970d2c620656dda43bf40e841f51d3527fe3b13f334904e

(this sample)

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

Comments