MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c
SHA3-384 hash: f7427e6b6a9ea08399c796599dde59b68d3eb002a0fea2eb5131d534c3a44782bf0f099b243d1014ad1f6942e4b0b22b
SHA1 hash: 12d277ab9a6a7db9e3c412e8a7629ae7a7a82316
MD5 hash: 45d6cc0661b8c266283ac71bc93ce6f5
humanhash: bakerloo-moon-tango-fix
File name:tftp
Download: download sample
Signature Gafgyt
Create hunting rule
File size:117'425 bytes
First seen:2025-09-06 18:32:25 UTC
Last seen:2025-09-07 07:11:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:o6z1WqLgV4ZQGBcD3i/lMpaLhmVAQ/iz1Ta3ErUxglryYltg+JGfsJ2W:DhTa3ErU4tg+asJn
TLSH T1FDB3F805D9905737C2D23BBEF79A82CE73221F989797331186287AF41BE5B9D1E39120
telfhash t1b221fe51f4f94a6c5ef25820e9bc17b50662622332516e706f4dc1c4883b002f539ece
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29227.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7138857-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Dropper.Mirai-7489238-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Gafgyt-9876192-0
Create hunting rule

Unix.Trojan.Mirai-9917488-0
Create hunting rule

Unix.Trojan.Gafgyt-111
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/68bc7eaa37c25fcf12d5c918/reports/620afe02-a58e-4f0d-bfff-f9335f5f104e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-06T16:02:00Z UTC
Last seen:
2025-09-06T16:02:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/32d87744-bd41-4fbd-991d-c7d7e7600217
Behavior Graph:
Download SVG
%3 guuid=9b267a71-1b00-0000-9459-3f15650c0000 pid=3173 /usr/bin/sudo guuid=ba9d6675-1b00-0000-9459-3f15660c0000 pid=3174 /tmp/sample.bin guuid=9b267a71-1b00-0000-9459-3f15650c0000 pid=3173->guuid=ba9d6675-1b00-0000-9459-3f15660c0000 pid=3174 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/924f3457-0914-4d34-9b5f-de7a7ec271ae
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1772431
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
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
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772431 Sample: tftp.elf Startdate: 06/09/2025 Architecture: LINUX Score: 92 21 142.54.160.14, 23, 37310, 37312 NOCIXUS United States 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Suricata IDS alerts for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 3 other signatures 2->33 8 tftp.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 signatures5 35 Opens /proc/net/* files useful for finding connected devices and routers 8->35 17 tftp.elf 8->17         started        process6 process7 19 tftp.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-06 18:38:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6fttqjyr6a6wx6m5y5px4io2agwb2unjsuyhnnbzoe4dpjb7iga._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/250906-w7tk3s1vdz/
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92 Linux_Trojan_Gafgyt_fb14e81f
Link:
https://app.threat.zone/submission/e4e82ede-4742-4214-8527-1688977f2982
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/bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c

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
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_fb14e81f
Create hunting rule
Author:Elastic Security
Reference:0fd07e6068a721774716eb4940e2c19faef02d5bdacf3b018bf5995fa98a3a27
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:Tsunami_Backdoor
Create hunting rule
Author:@is_henderson
Description:Tsunami Backdoor
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 bf8b39c1388f81eb5fccee3afbf10ed00d60ea8d4ca983b5a1cb89c1bd21fa0c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618693/
  
Delivery method
Distributed via web download

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