MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f989f7973a34fd411b6b5d6596695d7a33dce1c1b56125a2b54a9382543af19f. 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 7 File information Comments

SHA256 hash: f989f7973a34fd411b6b5d6596695d7a33dce1c1b56125a2b54a9382543af19f
SHA3-384 hash: b5698245b2780673477203098289bffb47d982efea4144ee518c10867fcd7d9b13a42b8687e497b8d72baa5657c16956
SHA1 hash: 7fbf006b81b0be504620b13e5dcf5ed11f0d1581
MD5 hash: 5a01d7e598825450f68bb4193ff6ca3e
humanhash: ohio-mockingbird-nineteen-video
File name:klogd
Download: download sample
Signature Gafgyt
File size:166'922 bytes
First seen:2025-07-09 23:41:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oRbguoCI6DHX1opnmKKIdDQ19D7TQOmu4tlQhfYh7jXNb:nuu6DFo4KKGaDJmu4tlQhfYh7jXNb
TLSH T19BF3FB28F4028727D2D31375B28DEF5A3E310BD473CBB21666747AB46AE32472D15E98
telfhash t1cd316522943546192fb3a928acbd56b315222b2323597f71af26c5cc49360f1e93dd0f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Status:
terminated
Behavior Graph:
%3 guuid=485c3e45-1800-0000-4369-2f87050e0000 pid=3589 /usr/bin/sudo guuid=4397b747-1800-0000-4369-2f870e0e0000 pid=3598 /tmp/sample.bin guuid=485c3e45-1800-0000-4369-2f87050e0000 pid=3589->guuid=4397b747-1800-0000-4369-2f870e0e0000 pid=3598 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
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
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1732272 Sample: klogd.elf Startdate: 10/07/2025 Architecture: LINUX Score: 92 37 206.123.128.67, 52842, 52844, 52846 LEASEWEB-USA-NYC-11US United States 2->37 39 169.254.169.254, 80 USDOSUS Reserved 2->39 41 2 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 3 other signatures 2->49 9 klogd.elf 2->9         started        signatures3 process4 signatures5 53 Opens /proc/net/* files useful for finding connected devices and routers 9->53 12 klogd.elf 9->12         started        process6 process7 14 klogd.elf sh 12->14         started        16 klogd.elf sh 12->16         started        18 klogd.elf sh 12->18         started        20 59 other processes 12->20 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 51 Terminates several processes with shell command 'killall' 22->51
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-07-09 23:42:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135944-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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: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:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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 f989f7973a34fd411b6b5d6596695d7a33dce1c1b56125a2b54a9382543af19f

(this sample)

  
Delivery method
Distributed via web download

Comments