MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81a5e14c92f70e57524aa112a03d3fe241da52f816cf0fd7a395fc30ec7d4ce1. 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
| SHA256 hash: | 81a5e14c92f70e57524aa112a03d3fe241da52f816cf0fd7a395fc30ec7d4ce1 |
|---|---|
| SHA3-384 hash: | 1e3d49531def252fa6430732e48ff71dab5015dc928cf376719c71d3d85c0b58301fcf5566d7cd8f18336da73ab612c0 |
| SHA1 hash: | ef40967f1a543f8691c0114fccf3490c320ed62f |
| MD5 hash: | 9bc293ae8d6b8a5c3d14a10a1ed1a628 |
| humanhash: | quebec-venus-december-single |
| File name: | bash |
| Download: | download sample |
| Signature | Gafgyt |
| File size: | 88'523 bytes |
| First seen: | 2025-09-06 18:32:28 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 1536:qMu1g7rMtjWqtgI6kev6mJgyPyp6z7m4fkr6iLHzEbwOCkIpHqJRU:qt1gFqWLDv6gPyu7zCDLHzEbwOVIp |
| TLSH | T1D383182B9251C1BEC08346B12ADF9961AC73BC390B3662067395BE6D3F35CDC5E99342 |
| telfhash | t1cd11af55a4fa4a6c5ef2542098fc17741aa772273162be706f5dc5849c3b002b539fce |
| 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 :
33
Origin country :
DEVendor Threat Intelligence
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:
Unknown
Threat level:
0/10
Confidence:
100%
Tags:
gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
Behaviour
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:
2025-09-06T16:08:00Z UTC
Last seen:
2025-09-06T16:08:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Malware family:
Gafgyt
Verdict:
Malicious
Result
Threat name:
Gafgyt
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
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:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-09-06 18:37:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
29 of 38 (76.32%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
6/10
Tags:
discovery linux
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_a6a2adb9 Linux_Trojan_Gafgyt_a10161ce Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_821173df Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_148b91a2 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_fb14e81f elf_bashlite_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| 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 |
|---|---|
| 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 |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | elf_bashlite_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects elf.bashlite. |
| Rule name: | Linux_Gafgyt_Generic |
|---|---|
| Author: | albertzsigovits |
| Description: | Generic Approach to Mirai/Gafgyt samples |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Gafgyt_09c3070e |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_148b91a2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_32eb0c81 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_33b4111a |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_620087b9 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_656bf077 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_779e142f |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_807911a2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_821173df |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_9e9530a7 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_a0a4de11 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_a10161ce |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_a6a2adb9 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_cf84c9f2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_d4227dbf |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_d996d335 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_dd0d6173 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_e0673a90 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_f3d83a74 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_fb14e81f |
|---|---|
| Author: | Elastic Security |
| Reference: | 0fd07e6068a721774716eb4940e2c19faef02d5bdacf3b018bf5995fa98a3a27 |
| 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: | Tsunami_Backdoor |
|---|---|
| Author: | @is_henderson |
| Description: | Tsunami Backdoor |
| 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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