MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 985448ef01f8bfd2bc8c5d263d5e5a568dff064d62c3dc121de332617842e844. 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: 985448ef01f8bfd2bc8c5d263d5e5a568dff064d62c3dc121de332617842e844
SHA3-384 hash: 34180a03cb7af8edca476b0c6311c56d607dde2e3ab7d73ff852c3d253d5c66d695461a56b3906f7dff6d50cb8590509
SHA1 hash: 2e5a56f77364db8a55f31e84e719c71338376487
MD5 hash: d557d1581b3956781c45c67743d3adb7
humanhash: zulu-ceiling-green-eight
File name:system
Download: download sample
Signature Gafgyt
File size:136'681 bytes
First seen:2025-10-13 17:01:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:OlAg51rlBoqEQX+X5JfLBhPHjUhRv39Fodgje8b5TDTNMz:Olf1rXoq0XvrPDUhHudgje8b5TDTNa
TLSH T16BD3188795A19FB7C145F9B169BB69240B16EC124B1F1A8A743CBAF0433F4CDB01EB64
telfhash t1764187129a7857141ff39928ecbd86730512962353353eb1af76c1cc54210b0e939d5f
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 :
111
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-13T14:07:00Z UTC
Last seen:
2025-10-14T01:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.cq HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.fz
Status:
terminated
Behavior Graph:
%3 guuid=8c4bb2cc-1600-0000-2cce-d8bfaa0c0000 pid=3242 /usr/bin/sudo guuid=27484cce-1600-0000-2cce-d8bfb10c0000 pid=3249 /tmp/sample.bin guuid=8c4bb2cc-1600-0000-2cce-d8bfaa0c0000 pid=3242->guuid=27484cce-1600-0000-2cce-d8bfb10c0000 pid=3249 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: 1794267 Sample: system.elf Startdate: 13/10/2025 Architecture: LINUX Score: 80 49 176.65.139.133, 47038, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected Gafgyt 2->61 63 2 other signatures 2->63 9 system.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 65 Opens /proc/net/* files useful for finding connected devices and routers 9->65 18 system.elf 9->18         started        20 system.elf 9->20         started        22 system.elf 9->22         started        process6 process7 24 system.elf sh 18->24         started        26 system.elf sh 18->26         started        28 system.elf sh 18->28         started        32 5 other processes 18->32 30 system.elf 20->30         started        process8 34 sh killall 24->34         started        37 sh killall 26->37         started        39 sh killall 28->39         started        41 sh killall 32->41         started        43 sh killall 32->43         started        45 sh killall 32->45         started        47 2 other processes 32->47 signatures9 55 Terminates several processes with shell command 'killall' 34->55
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-10-13 17:02:04 UTC
File Type:
ELF32 Little (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-7136288-0
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 985448ef01f8bfd2bc8c5d263d5e5a568dff064d62c3dc121de332617842e844

(this sample)

  
Delivery method
Distributed via web download

Comments