MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15b74eeeec32a6e3a94e7f2ae2b9ee224b9862657c88161bc547c10d8cd78c4f. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 15b74eeeec32a6e3a94e7f2ae2b9ee224b9862657c88161bc547c10d8cd78c4f
SHA3-384 hash: c2eee02adb7ea0772937848a1665e5f02abf00676ce2d76ccf9bee16792e7b4400861eded64ea8e64108c6543e521afe
SHA1 hash: b3d64df1ceac44564d8371507609f1b28aecb32e
MD5 hash: 9a657a8c196ecbaa1ab101fc94434b89
humanhash: network-charlie-crazy-summer
File name:rsyslogd
Download: download sample
Signature Mirai
File size:131'637 bytes
First seen:2025-08-08 18:10:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xJN+WjiANxZMAl50zmWacp/5tBZsz7DeZ5z:xJN+WjiArZjwzacp/5tBZsz7DeZZ
TLSH T192D34A17A71D0B83C4AB8AF02CB737F08799ADF112A651C4A51AFFC017779B46222F95
telfhash t18b319922993843282ff39d28bcac46b30122673313563f72af35c5cc44260a1e539d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Attempts to kill processes by name
Collects information on the CPU
Runs as daemon
Creating a file
Opens a port
Launching a process
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Status:
terminated
Behavior Graph:
%3 guuid=1ce725be-1700-0000-ab4d-be5fe70a0000 pid=2791 /usr/bin/sudo guuid=e6ffccc0-1700-0000-ab4d-be5fec0a0000 pid=2796 /tmp/sample.bin guuid=1ce725be-1700-0000-ab4d-be5fe70a0000 pid=2791->guuid=e6ffccc0-1700-0000-ab4d-be5fec0a0000 pid=2796 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753265 Sample: rsyslogd.elf Startdate: 08/08/2025 Architecture: LINUX Score: 80 45 206.123.128.67, 51832, 65481 LEASEWEB-USA-NYC-11US United States 2->45 47 109.202.202.202, 80 INIT7CH Switzerland 2->47 49 2 other IPs or domains 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Gafgyt 2->55 57 2 other signatures 2->57 9 rsyslogd.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 59 Opens /proc/net/* files useful for finding connected devices and routers 9->59 14 rsyslogd.elf 9->14         started        16 rsyslogd.elf 9->16         started        18 rsyslogd.elf 9->18         started        process6 process7 20 rsyslogd.elf sh 14->20         started        22 rsyslogd.elf sh 14->22         started        24 rsyslogd.elf sh 14->24         started        28 5 other processes 14->28 26 rsyslogd.elf 16->26         started        process8 30 sh killall 20->30         started        33 sh killall 22->33         started        35 sh killall 24->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 2 other processes 28->43 signatures9 61 Terminates several processes with shell command 'killall' 30->61
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-08-08 18:11:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
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
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Mirai

elf 15b74eeeec32a6e3a94e7f2ae2b9ee224b9862657c88161bc547c10d8cd78c4f

(this sample)

  
Delivery method
Distributed via web download

Comments