MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728
SHA3-384 hash: 026bf18da7c872649f72771ca62b06fb40738eb3431d79b4a2ab9dd342d86e057b01a68d177093befd91e1a0146223ef
SHA1 hash: e105d686520d1937dc0b41c086bf6b46b374482e
MD5 hash: 12003ef41ea95ddb4966718a1fa52760
humanhash: orange-avocado-winter-vermont
File name:katrina
Download: download sample
Signature Gafgyt
Create hunting rule
File size:135'138 bytes
First seen:2025-10-12 07:03:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:XeYDJ/EJC3OeKA6eC4CvaT5SH/pSy+Zt701mG/oe8ZsW5DT5Mz:5ZEJCevbHvG8Ay+r01mG/oe8ZsW5DT5a
TLSH T1E4D31893F900DFAAF40AE67644D34724B630FF664E531627721B39A3AE362D42827F45
telfhash t1d9417452997897241ff39928bcad97730212a62393763e72af39c0cc54220b0e539d5f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Downloader.Mirai-7340346-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68eb52c371883144ef3274f9/reports/7667264e-7f25-4dde-a98e-89e995809f2f/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-12T05:09:00Z UTC
Last seen:
2025-10-12T19:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3e7af324-257b-4634-af7b-d00e379c46b6
Behavior Graph:
Download SVG
%3 guuid=380e6200-1800-0000-3a0d-1d2e890c0000 pid=3209 /usr/bin/sudo guuid=abcc9f02-1800-0000-3a0d-1d2e8a0c0000 pid=3210 /tmp/sample.bin guuid=380e6200-1800-0000-3a0d-1d2e890c0000 pid=3209->guuid=abcc9f02-1800-0000-3a0d-1d2e8a0c0000 pid=3210 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5295c875-ddff-4418-96dd-60e9cb3b1381
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1793521
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793521 Sample: katrina.elf Startdate: 12/10/2025 Architecture: LINUX Score: 80 45 176.65.139.133, 37960, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->45 47 daisy.ubuntu.com 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 2 other signatures 2->55 9 katrina.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 57 Opens /proc/net/* files useful for finding connected devices and routers 9->57 14 katrina.elf 9->14         started        16 katrina.elf 9->16         started        18 katrina.elf 9->18         started        process6 process7 20 katrina.elf sh 14->20         started        22 katrina.elf sh 14->22         started        24 katrina.elf sh 14->24         started        28 13 other processes 14->28 26 katrina.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 10 other processes 28->43 signatures9 59 Terminates several processes with shell command 'killall' 30->59
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-12 07:04:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ppdgbgx4u5q5rso5zu2lr3gvmpi77epv7orpmer3m7q3h7jqa4ua._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/251012-hvl4kszrx4/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3fdcd601-5f71-45ff-9307-aa5f7c977104
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728

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_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Gafgyt

elf 7bc6609afca761d8c9ddcd34b8ecd563d1ff91f5fba2f6123b67e1b3fd300728

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576539/
  
Delivery method
Distributed via web download

Comments