MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcb9ffa705448d13eb89e12d853615e8d21c429a91a60d7bd80add94d8c4bce4. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: dcb9ffa705448d13eb89e12d853615e8d21c429a91a60d7bd80add94d8c4bce4
SHA3-384 hash: c1a4c935238e00a21bceb6ba6c79423b10e880ee3a6068b3792f9e50af1045151faf37bcb0b0d6bdba14af1141d1f758
SHA1 hash: a5c6f0326e5fd0df40bbea09bc1b89176222e945
MD5 hash: c69975f2e030f16a003a98c03a7e3a14
humanhash: twelve-timing-grey-three
File name:T
Download: download sample
Signature Gafgyt
File size:350'560 bytes
First seen:2025-10-13 18:55:30 UTC
Last seen:2025-10-15 02:19:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:QIA/6SPWOPRw36YvEXNfYa/NqyrA1LUfFyPkMqKMHWnSwORHnv:OWOp0QNQa1qaOLMgcMqKMYSwORHv
TLSH T1387423FFD6A70A168B3A5F3F129BD74F9489AC6009D76054679C10B9C73EB4202BDE90
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 :
3
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed threat upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-13T16:41:00Z UTC
Last seen:
2025-10-14T10:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f66ae3d8-1700-0000-bfb3-8af8e60a0000 pid=2790 /usr/bin/sudo guuid=6a1ad6da-1700-0000-bfb3-8af8e90a0000 pid=2793 /tmp/sample.bin net send-data write-file guuid=f66ae3d8-1700-0000-bfb3-8af8e60a0000 pid=2790->guuid=6a1ad6da-1700-0000-bfb3-8af8e90a0000 pid=2793 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6a1ad6da-1700-0000-bfb3-8af8e90a0000 pid=2793->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 5e8c5b57-37a5-50d3-940c-4ba743b0c398 5.253.86.21:38241 guuid=6a1ad6da-1700-0000-bfb3-8af8e90a0000 pid=2793->5e8c5b57-37a5-50d3-940c-4ba743b0c398 send: 7B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
48 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-10-13 18:56:31 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Please note that we are no longer able to provide a coverage score for Virus Total.

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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf dcb9ffa705448d13eb89e12d853615e8d21c429a91a60d7bd80add94d8c4bce4

(this sample)

  
Delivery method
Distributed via web download

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