MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4dc96500a5f30db330e643488bb3d852a7b58425f67c2301c08a9b4e481a62e. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: d4dc96500a5f30db330e643488bb3d852a7b58425f67c2301c08a9b4e481a62e
SHA3-384 hash: 609ab40c5e6b056640bd6a7c78760d0710dc4551709c78cc2e372cf2f169ecab92f510739b629cb8a8c676c7da1de495
SHA1 hash: 2ce1fe6850ad192879211535dd689c17190aecac
MD5 hash: 6eb21537df909eb6c081a54e650480c4
humanhash: kentucky-undress-maine-two
File name:I586
Download: download sample
Signature Gafgyt
File size:36'480 bytes
First seen:2026-04-21 21:44:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:bxtvZ6vpuEgK6N0co/UfSagXVwmLAXEkGZQnbcuyD7UryqQ4:H8263tFwskGQnouy8mqv
TLSH T118F2F126E82D964EC1AA00711AEFF56E0434330ED25D09FAFE7915D94697F723934B13
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-21T07:46:00Z UTC
Last seen:
2026-04-21T19:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=da98b372-2300-0000-0428-b3b6e50a0000 pid=2789 /usr/bin/sudo guuid=71256b75-2300-0000-0428-b3b6ec0a0000 pid=2796 /tmp/sample.bin net guuid=da98b372-2300-0000-0428-b3b6e50a0000 pid=2789->guuid=71256b75-2300-0000-0428-b3b6ec0a0000 pid=2796 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=71256b75-2300-0000-0428-b3b6ec0a0000 pid=2796->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=bc065b77-2300-0000-0428-b3b6f00a0000 pid=2800 /tmp/sample.bin guuid=71256b75-2300-0000-0428-b3b6ec0a0000 pid=2796->guuid=bc065b77-2300-0000-0428-b3b6f00a0000 pid=2800 clone guuid=88036077-2300-0000-0428-b3b6f10a0000 pid=2801 /tmp/sample.bin guuid=71256b75-2300-0000-0428-b3b6ec0a0000 pid=2796->guuid=88036077-2300-0000-0428-b3b6f10a0000 pid=2801 clone guuid=fbb66777-2300-0000-0428-b3b6f20a0000 pid=2802 /tmp/sample.bin net send-data zombie guuid=88036077-2300-0000-0428-b3b6f10a0000 pid=2801->guuid=fbb66777-2300-0000-0428-b3b6f20a0000 pid=2802 clone 2cad636d-97c6-5f33-9ded-e08e0e62d44b 176.65.139.115:6999 guuid=fbb66777-2300-0000-0428-b3b6f20a0000 pid=2802->2cad636d-97c6-5f33-9ded-e08e0e62d44b send: 13B
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
68 / 100
Signature
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1902325 Sample: I586.elf Startdate: 22/04/2026 Architecture: LINUX Score: 68 23 176.65.139.115, 33382, 33384, 33386 PALTEL-ASPALTELAutonomousSystemPS Germany 2->23 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 5 other IPs or domains 2->27 29 Suricata IDS alerts for network traffic 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 8 I586.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 I586.elf 8->17         started        19 I586.elf 8->19         started        process6 process7 21 I586.elf 17->21         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-04-21 13:25:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:telebot_framework
Author:vietdx.mb
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:upx_antiunpack_elf32
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information


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

Web download

Gafgyt

elf d4dc96500a5f30db330e643488bb3d852a7b58425f67c2301c08a9b4e481a62e

(this sample)

  
Delivery method
Distributed via web download

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