MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8b408cda5cb4c581a9469193a6cca2ac940a7d01f24e01f7f3c44dfd868d824. 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



Gafgyt


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: d8b408cda5cb4c581a9469193a6cca2ac940a7d01f24e01f7f3c44dfd868d824
SHA3-384 hash: c0b898e235325053705c0883f73629b5e52e2ac91be3bb27749ff8b2fb015b5dbb6074e6dd53caaf2aed1fb918913db1
SHA1 hash: 47f56bf499f7f5441a092ffbb33bbb46b8d585f4
MD5 hash: f2995f9864be8eb9e41679af22a60343
humanhash: stairway-fix-edward-mountain
File name:rsyslogd
Download: download sample
Signature Gafgyt
File size:136'715 bytes
First seen:2025-10-12 07:53:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:u1902bGVP5Qkt9IgbToWtEDQcV/oe8ZstXDTpMz:6W2CGktmgbltE8cV/oe8ZstXDTpa
TLSH T1D0D33857AB1D0787C4AB9AF03CB737F08799BD7102A611C5E50AFEC01776AB42122FA5
telfhash t16e416352997897241fe39928acad96730122a72393763e72af39c0cc54220b0e539d5f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
128
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-12T06:13:00Z UTC
Last seen:
2025-10-12T20:46:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ca1ceae6-1700-0000-91d7-55e6e10a0000 pid=2785 /usr/bin/sudo guuid=73c4cce9-1700-0000-91d7-55e6e20a0000 pid=2786 /tmp/sample.bin guuid=ca1ceae6-1700-0000-91d7-55e6e10a0000 pid=2785->guuid=73c4cce9-1700-0000-91d7-55e6e20a0000 pid=2786 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: 1793524 Sample: rsyslogd.elf Startdate: 12/10/2025 Architecture: LINUX Score: 80 45 176.65.139.133, 37124, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->45 47 169.254.169.254, 80 USDOSUS Reserved 2->47 49 daisy.ubuntu.com 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
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-10-12 07:54:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
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: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

Gafgyt

elf d8b408cda5cb4c581a9469193a6cca2ac940a7d01f24e01f7f3c44dfd868d824

(this sample)

  
Delivery method
Distributed via web download

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