MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559. 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: 9
| SHA256 hash: | cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559 |
|---|---|
| SHA3-384 hash: | 530f4142b90e62a7284bf15b75870423bd8b55ff8d9e141bc0714245b34084e2a39bbb7575e82191ac2c250e958dbab5 |
| SHA1 hash: | e76688f86ca670b0b1818029f94c9a52a891754d |
| MD5 hash: | f52e1c48819abf04f1f22e0fc44cdc5d |
| humanhash: | jig-magnesium-oven-yellow |
| File name: | bot |
| Download: | download sample |
| Signature | Gafgyt |
| File size: | 1'164'680 bytes |
| First seen: | 2026-04-30 12:06:25 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 24576:qyCAK6yZQUGU9XoVuOxJ6wgKV4L/zVj+D:q5AfmQUGUZoQOxJ6wRm3 |
| TLSH | T1BD456C5AF2F370BCD067C030439BDB62A835F47501226E7B65C4DA352E66EA01B29F67 |
| telfhash | t1ddc148b04afa70b0a7d7d9217362f0756a761466a6e836f417226dc4df40f804da2c2f |
| 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 :
77
Origin country :
DEVendor Threat Intelligence
No detections
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creating a file
Locks files
Runs as daemon
Connection attempt
Changes access rights for a written file
Manages services
Kills processes
Creating a file in the %temp% directory
Creating a file in the %temp% subdirectories
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Creates or modifies files to set up autorun
Performs a bruteforce attack in the network
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
95
Number of processes launched:
30
Processes remaning?
true
Remote TCP ports scanned:
23,2323
Full report:
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-30T10:12:00Z UTC
Last seen:
2026-04-30T12:58:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Score:
91%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-04-30 12:07:39 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
File and Directory Permissions Modification
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.06
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | malwareelf55503 |
|---|
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| 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
Delivery method
Distributed via web download
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