MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058
SHA3-384 hash: a85546eef6cd494d502c3f8849d1d41a84cc7fed1401b67ac552cac4881cdb2c7455418dbeaf3635c451a9ac14c58db9
SHA1 hash: 80a3dc600b538a829f86cbf7b4adc518de675783
MD5 hash: c87ad7c24f7fbc46ce96420ad0e81be5
humanhash: two-jupiter-potato-bulldog
File name:cron
Download: download sample
Signature Gafgyt
Create hunting rule
File size:120'330 bytes
First seen:2025-10-13 17:21:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tXIDB/4nYuTXrKyIuHDLQGWjD7a2mm+2QCGV7OecBlB4DgY6z:CiYUJ7w7aFm+2GV7OecBlB4DgYc
TLSH T1B6C33C41E743C6F3CC430AF21297A6AA4921BD3A4D3E5E4AF35C3DB4AB328D8B215755
telfhash t1724175129a7857241fe39928ecad87734522972353756eb1af3ac1c85421060e939d5f
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 :
59
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/68ed356071883144ef34b362/reports/1cdbe547-889c-4138-8f8d-0688158c7ca8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-13T15:23:00Z UTC
Last seen:
2025-10-14T11:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b022f65a-4a2d-44ee-b977-01e0e213df17
Behavior Graph:
Download SVG
%3 guuid=ae42956f-1900-0000-70c7-6bb355100000 pid=4181 /usr/bin/sudo guuid=a29c7271-1900-0000-70c7-6bb35e100000 pid=4190 /tmp/sample.bin net guuid=ae42956f-1900-0000-70c7-6bb355100000 pid=4181->guuid=a29c7271-1900-0000-70c7-6bb35e100000 pid=4190 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a29c7271-1900-0000-70c7-6bb35e100000 pid=4190->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195 /tmp/sample.bin guuid=a29c7271-1900-0000-70c7-6bb35e100000 pid=4190->guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195 clone guuid=9a577b72-1900-0000-70c7-6bb364100000 pid=4196 /tmp/sample.bin guuid=a29c7271-1900-0000-70c7-6bb35e100000 pid=4190->guuid=9a577b72-1900-0000-70c7-6bb364100000 pid=4196 clone guuid=e5dc8072-1900-0000-70c7-6bb365100000 pid=4197 /tmp/sample.bin guuid=a29c7271-1900-0000-70c7-6bb35e100000 pid=4190->guuid=e5dc8072-1900-0000-70c7-6bb365100000 pid=4197 clone guuid=b0200e74-1900-0000-70c7-6bb370100000 pid=4208 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=b0200e74-1900-0000-70c7-6bb370100000 pid=4208 execve guuid=b5615a77-1900-0000-70c7-6bb380100000 pid=4224 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=b5615a77-1900-0000-70c7-6bb380100000 pid=4224 execve guuid=22b5be78-1900-0000-70c7-6bb388100000 pid=4232 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=22b5be78-1900-0000-70c7-6bb388100000 pid=4232 execve guuid=fab49579-1900-0000-70c7-6bb38e100000 pid=4238 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=fab49579-1900-0000-70c7-6bb38e100000 pid=4238 execve guuid=89b8a27a-1900-0000-70c7-6bb395100000 pid=4245 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=89b8a27a-1900-0000-70c7-6bb395100000 pid=4245 execve guuid=a491a77b-1900-0000-70c7-6bb39d100000 pid=4253 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=a491a77b-1900-0000-70c7-6bb39d100000 pid=4253 execve guuid=63027f7c-1900-0000-70c7-6bb3a2100000 pid=4258 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=63027f7c-1900-0000-70c7-6bb3a2100000 pid=4258 execve guuid=ee82427d-1900-0000-70c7-6bb3a7100000 pid=4263 /usr/bin/dash guuid=1e467772-1900-0000-70c7-6bb363100000 pid=4195->guuid=ee82427d-1900-0000-70c7-6bb3a7100000 pid=4263 execve guuid=a6d98472-1900-0000-70c7-6bb366100000 pid=4198 /tmp/sample.bin net send-data zombie guuid=e5dc8072-1900-0000-70c7-6bb365100000 pid=4197->guuid=a6d98472-1900-0000-70c7-6bb366100000 pid=4198 clone 6f711740-a9cc-5716-b8b7-a732833df8c0 176.65.139.133:65481 guuid=a6d98472-1900-0000-70c7-6bb366100000 pid=4198->6f711740-a9cc-5716-b8b7-a732833df8c0 send: 9B guuid=6d9e3674-1900-0000-70c7-6bb371100000 pid=4209 /usr/bin/pgrep guuid=b0200e74-1900-0000-70c7-6bb370100000 pid=4208->guuid=6d9e3674-1900-0000-70c7-6bb371100000 pid=4209 execve guuid=2d5a8577-1900-0000-70c7-6bb381100000 pid=4225 /usr/bin/killall guuid=b5615a77-1900-0000-70c7-6bb380100000 pid=4224->guuid=2d5a8577-1900-0000-70c7-6bb381100000 pid=4225 execve guuid=fdd1e978-1900-0000-70c7-6bb389100000 pid=4233 /usr/bin/killall guuid=22b5be78-1900-0000-70c7-6bb388100000 pid=4232->guuid=fdd1e978-1900-0000-70c7-6bb389100000 pid=4233 execve guuid=2007d279-1900-0000-70c7-6bb390100000 pid=4240 /usr/bin/killall guuid=fab49579-1900-0000-70c7-6bb38e100000 pid=4238->guuid=2007d279-1900-0000-70c7-6bb390100000 pid=4240 execve guuid=633bd07a-1900-0000-70c7-6bb397100000 pid=4247 /usr/bin/killall guuid=89b8a27a-1900-0000-70c7-6bb395100000 pid=4245->guuid=633bd07a-1900-0000-70c7-6bb397100000 pid=4247 execve guuid=1807cf7b-1900-0000-70c7-6bb39f100000 pid=4255 /usr/bin/killall guuid=a491a77b-1900-0000-70c7-6bb39d100000 pid=4253->guuid=1807cf7b-1900-0000-70c7-6bb39f100000 pid=4255 execve guuid=e03ca67c-1900-0000-70c7-6bb3a3100000 pid=4259 /usr/bin/killall guuid=63027f7c-1900-0000-70c7-6bb3a2100000 pid=4258->guuid=e03ca67c-1900-0000-70c7-6bb3a3100000 pid=4259 execve guuid=8bba797d-1900-0000-70c7-6bb3ab100000 pid=4267 /usr/bin/killall guuid=ee82427d-1900-0000-70c7-6bb3a7100000 pid=4263->guuid=8bba797d-1900-0000-70c7-6bb3ab100000 pid=4267 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c9cf306-e713-42a2-8381-00c53b7c2986
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1794282
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
Malicious sample detected (through community Yara rule)
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794282 Sample: cron.elf Startdate: 13/10/2025 Architecture: LINUX Score: 88 49 176.65.139.133, 47034, 47036, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 4 other IPs or domains 2->53 57 Suricata IDS alerts for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 3 other signatures 2->63 9 cron.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 cron.elf 9->18         started        20 cron.elf 9->20         started        22 cron.elf 9->22         started        process6 process7 24 cron.elf sh 18->24         started        26 cron.elf sh 18->26         started        28 cron.elf sh 18->28         started        32 5 other processes 18->32 30 cron.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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 17:23:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfsav7fnqsw3xe5oryqwkk75j5gn2e4rydgqlklw5dqr4gg24bma._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery linux
Link:
https://tria.ge/reports/251013-vxtyesfv7f/
Behaviour
Changes its process name
Checks CPU configuration
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_83715433 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a
Link:
https://app.threat.zone/submission/5d9341fe-cf23-42d7-87ec-6622e8e361c6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058

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: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: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:Linux_Trojan_Gafgyt_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_83715433
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
Create hunting rule
Author:Elastic Security
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 49640afcad84adbb93ae8e21652bfd4f4cdd1391c0cd05a976e8e11e18dae058

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576545/
  
Delivery method
Distributed via web download

Comments